Mold Having Movable Core Or Movable Pin Patents (Class 425/577)
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Publication number: 20110187023Abstract: Moulding equipment for the production of plastic parts via the injection of a molten thermoplastic resin, chiefly consisting of a mould (2) which consists of at least two mould halves (3,4), which when closed together produce a cavity (11) and a core (8), wherein at least one mould half or mould part (3 and/or 4) contains at least one moveable mould part (7) with the necessary system to control the movement of the mould part or parts (7) using the active control of the cavity (11) pressure.Type: ApplicationFiled: September 15, 2008Publication date: August 4, 2011Applicant: MOMEXX B.V.Inventor: Jan Gerard De Jonge
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Patent number: 7988904Abstract: A resin-molding mold device is provided for carrying out the resin molding process to mold the resin molded article, wherein when cooling after charging a molten synthetic resin into a cavity (14) and maintaining the pressure, a movable core (11) is urged to the side in which the capacity of the cavity (14) is decreased. This enables a resin molded article having a proper shape to be reliably molded by preventing a design surface from parting from a cavity wall surface when die-molding the resin molded article by charging a molten synthetic resin into a cavity formed from a plurality of dies.Type: GrantFiled: March 10, 2009Date of Patent: August 2, 2011Assignee: Kabushiki Kaisha Honda LockInventor: Yuuichirou Noda
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Publication number: 20110174310Abstract: The present invention is related to a cushion (1) for a respiratory mask, to a method of manufacturing such a cushion (1) as well as to a respiratory mask including a cushion (1) and an apparatus for manufacturing a cushion (1) for a respiratory mask. It is particularly referred to a method of manufacturing a cushion (1) for a respiratory mask, comprising the steps of providing a mold comprising at least two mold halves (11, 13) and at least one core (12) therein, closing the mold, injecting a first material into the mold to form the cushion (1), wherein the core (12) is enclosed by the cushion (1) thereby forming at least one cavity (4), opening the mold, removing the core (12) from the cushion (1) to provide the at least one cavity within the cushion (1), and sealing the cavity (4).Type: ApplicationFiled: July 22, 2009Publication date: July 21, 2011Applicant: MAP MEDIZIN-TECHNOLOGIE GMBHInventors: Johann S. Burz, Achim Biener, Johannes Nickol, Bernd Lang
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Patent number: 7976298Abstract: The invention provides an article, a method and an apparatus of forming expanded plastic materials in a steam chest mold having out of die draw features. This is achieved by means of a cavity pull system. The cavity pull system allows for the provision of molded features outside the die draw and is designed to operate on a cam type system using two stainless steel rods running at a right angle to one another. A gear mechanism allows molded features, e.g. holes, to be formed at any angle on any part design where enough part geometry exists to accommodate the forming features and in the tool for mechanism components. The invention is advantageously employed in the formation of holes outside the die draw in vertically stacked injection tools for energy absorbers used in vehicle bumper fascias. The provision of out of die draw molded features is useful for fascia component locating or attachment.Type: GrantFiled: December 23, 2004Date of Patent: July 12, 2011Assignee: Magna International Inc.Inventors: Dwight K. Buckle, Robert Dernovsek, Alan C. Cave, Jimmy M. Escedi, Antoine Zafera, Danny Grunsted Solberg Jensen
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Publication number: 20110158963Abstract: The present invention is comprised within tissue engineering and, specifically, within bone regeneration. The invention relates to a porous three-dimensional matrix of monetite which is biocompatible, has structured porosity and is predefined and reabsorbable, as well as to the method of synthesis capable of producing said material and the applications thereof. These matrices are a perfect base for cell colonization and proliferation, allowing the application thereof in tissue engineering and bone regeneration as a result of their advantageous properties of biocompatibility, reabsorption, osteoinduction, revascularization, etc.Type: ApplicationFiled: July 8, 2009Publication date: June 30, 2011Applicant: HISTOCELL, S.L.Inventors: Julio Font Pérez, Maria Begoña Castrofeo, Maite Del Olmo Basterrechea, Maria Dolores García Vázquez, Jorge Rubio Retama, Enrique López Cabarcos, Carmen Rueda Rodríguez, Faleh Tamini Mariño, Mohammad Hamdan Ali Alkhraisat
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Publication number: 20110151049Abstract: The invention relates to a device (1) at a collapsible core (2) for a plastic-injection-moulding machine (3) for plastic and where the core (2) has a plurality of segments (4, 5) that in an interconnected state (I) form an inner core (2) of the mould (6), and that an axially movable (8) central pin (9) is received centrally (7) in the core (2). According to the invention, the segments (4, 5) are separated from each other as well as from the central pin (9) and are securingly received pivot ably mounted in a movable ejector pin plate (22).Type: ApplicationFiled: October 31, 2007Publication date: June 23, 2011Inventor: Hans Müller
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Patent number: 7955546Abstract: In the assembly-completed state, the Lower Mold, the Outer Mold, the Upper Mold, and the “inner mold (the integral body of the Pin-holder and the Pin)” are stacked and fixed in this order from the bottom, and the Pin is coaxially inserted into the First Hole of the Outer Mold and the Second Hole of the Upper Mold. In the assembly-completed state, the molding space for molding the ceramic molded body is formed between the surface of the Pin and the First Hole, and the annular minute gap is formed between the surface of the Pin and the Second Hole. The ceramic slurry poured into the Slurry Reservoir Pres formed on the upper surface of the Upper Mold falls and flows into the molding space through the annular minute gap by virtue of the action of gravity or the like.Type: GrantFiled: December 29, 2009Date of Patent: June 7, 2011Assignee: NGK Insulators, Ltd.Inventors: Kunihiko Yoshioka, Satoshi Ishibashi, Minoru Imaeda, Yosuke Okabe
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Publication number: 20110130216Abstract: Golf balls and systems for applying one or more polymer layers to a golf ball construct are disclosed. As but one example of disclosed systems, methods for injection molding a golf ball cover surrounding a core and having a maximum wall thickness of about 0.030 inch are disclosed. In but one example of such methods, a viscous polymer can be injected into a mold defining a cavity. A core portion or mantle portion of a golf ball can be substantially centered relative to the cavity. A plurality of spaced-apart radial film gates can be circumferentially positioned relative to the cavity. The viscous polymer can be conveyed into the cavity through the plurality of radial film gates and into a volume defined between the core portion or mantle portion and the mold so as to form a substantially uniformly distributed polymer layer. The polymer layer can solidify. A golf ball construct can be removed from the mold cavity. In some implementations, the golf ball construct comprises an outer cover of a golf ball.Type: ApplicationFiled: November 30, 2010Publication date: June 2, 2011Inventors: Jeremy Kim, Hyun J. Kim
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Publication number: 20110123662Abstract: An apparatus for manufacturing products from material which is thermoplastically deformable, as from plastic, comprising: —a mold (2) with at least one mold cavity (3); —in the or each mold cavity (3) at least one slide (8); —movement means for moving each slide (8); —closing means for opening and closing the mold (2); —feed means for introducing, with the mold cavity (3) closed, said material in at least substantially plastic condition into the or each mold cavity; wherein the movement means (9) for moving the slide (3) are arranged for moving said slide forward at a relatively high speed relative to the movement speed of the mold parts upon opening and closing thereof, from a position at least partly retracted from the mold cavity, such that said material, as a result, is displaced in the mold cavity for obtaining the filling thereof, preferably at a speed high such that adiabatic heat development occurs in the or each mold cavity.Type: ApplicationFiled: February 1, 2011Publication date: May 26, 2011Applicant: ECIM TECHNOLOGIES B.V.Inventor: Hendricus Antonius Hoogland
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Patent number: 7946838Abstract: A mold includes a plurality of inserts, a molding board, a base board, a plurality of fastening members, and a plurality of washers. The inserts each has a molding surface. The molding board includes a plurality of cavities for accommodating of the respective inserts. The base board for mounting the molding board thereto has a plurality of receiving holes. The fastening members are respectively received in the corresponding receiving holes for securing the corresponding inserts in the corresponding cavities of the molding board. The washers are sandwiched between the respective fastening members and an opposite ends of the inserts to the molding surfaces.Type: GrantFiled: September 23, 2008Date of Patent: May 24, 2011Assignee: Hon Hai Precision Industry Co., Ltd.Inventor: Chien-Feng Huang
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Publication number: 20110117233Abstract: An injection molding tool is used to produce plastic parts such as toothbrush bodies or razor handles, for example. The tool has a stationary center mold block and a pair of outer mold blocks. The center mold block has two parallel opposed molding faces joined by two parallel opposed side faces extending perpendicular to the molding faces. The molding faces have parallel partial mold cavities formed therein and the outer mold blocks each are associated with one mold face of the center mold block and each have a molding face with parallel partial mold cavities formed therein which together with corresponding partial mold cavities of the associated mold face of the center mold block form complete mold cavities. Holders are indexed alongside the peripheral faces and around corners formed between the peripheral faces to hold and transport molded parts alongside the peripheral faces of the center mold block.Type: ApplicationFiled: November 18, 2010Publication date: May 19, 2011Inventor: Bart Gerard Boucherie
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Publication number: 20110097436Abstract: A sloping pin structure applied to a die assembly for assembly within a molding machine such as plastic injection molding machine is disclosed. The sloping pin structure includes a guiding rod and a sloping pin head. The guiding rod has a first resisting surface and a substantially arcuate peripheral second resisting surface. The first resisting surface and the second resisting surface cooperatively form the outer peripheral surface of the guiding rod. The sloping pin head protrudes outwardly from the first resisting surface and is positioned adjacent to one distal end of the guiding rod.Type: ApplicationFiled: May 28, 2010Publication date: April 28, 2011Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITEDInventors: JUN-LIANG MIAO, YONG-HUA CHEN, SHAO-FENG CAI, QING-XIANG ZENG, CHANG-LIN CHEN, WEI ZHAO, XU FANG, CHAO-GUO KANG
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Patent number: 7910044Abstract: A method and an injection mold for the production of profiled and at least partially elongated components out of liquid or viscous solidifying molding compounds, by said injection mold, the molding compound being injected into the mold cavity and transported away under steady extension of the mold cavity and under steady elongation of the component to be formed after the initial filling of the mold cavity. The molding compound transported away is transported out of the mold while molding compound is continuously being injected until the forming component reaches its final length. The mold has at least one mold insert whose surface is part of the peripheral surface of the mold cavity and which is supported in the mold in a movable way in longitudinal direction of the component to be formed so that the mold cavity forming the component can be expanded to the desired size and shape of the component inside and outside of the mold by a movement of the mold insert.Type: GrantFiled: October 18, 2005Date of Patent: March 22, 2011Assignee: DIPL. ING. Gottfried SteinerInventors: Gottfried Steiner, Thomas Krivec
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Publication number: 20110057353Abstract: Method and device for sealing an insert in a molded part to avoid the escape of flash, the device includes an upper mold and a lower mold halves that mate together to define a cavity configured to receive the insert. A compressible material is coupled to the lower mold half to facilitate engagement of the inserted workpiece. The lower mold half has a slide, operated by a cam pin in the upper mold half when the upper and lower mold halves mate together. The upper mold half includes an upper plunger having first and second surfaces and a spring is coupled to the mating surface of the upper mold half. The spring compresses the compressible material and engages the inserted workpiece to form a flash barrier along the molding chamber.Type: ApplicationFiled: September 9, 2009Publication date: March 10, 2011Inventor: James D. Allen, IV
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Patent number: 7901202Abstract: The invention relates to an injection-molding tool (1) for plastics having a tool core (3, 5), an ejector (8) and a sliding tool portion (11) for forming an undercut, each of which is displaceable, the sliding tool portion (11) being displaceable both in the push-out direction (A) of the plastics molded component (4) produced in the tool and perpendicular to this direction, while the ejector and the tool core (3, 5) are displaceable in the ejection direction (A) and both the travel of the tool core (3, 5) and that of the sliding tool portion are derived from the travel of the ejector (8).Type: GrantFiled: October 22, 2008Date of Patent: March 8, 2011Assignee: z-werkzeugbau-GmbHInventors: Klaus Bereuter, Franz Helth
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Patent number: 7891970Abstract: An apparatus for manufacturing products from material which is thermoplastically deformable, as from plastic, comprising: —a mold (2) with at least one mold cavity (3); —in the or each mold cavity (3) at least one slide (8); —movement means for moving each slide (8); —closing means for opening and closing the mold (2); —feed means for introducing, with the mold cavity (3) closed, said material in at least substantially plastic condition into the or each mold cavity; wherein the movement means (9) for moving the slide (3) are arranged for moving said slide forward at a relatively high speed relative to the movement speed of the mold parts upon opening and closing thereof, from a position at least partly retracted from the mold cavity, such that said material, as a result, is displaced in the mold cavity for obtaining the filling thereof, preferably at a speed high such that adiabatic heat development occurs in the or each mold cavity.Type: GrantFiled: January 21, 2009Date of Patent: February 22, 2011Assignee: ECIM Technologies B.V.Inventor: Hendricus Antonius Hoogland
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Patent number: 7879280Abstract: The invention provides a mold insert system that includes an insert for insertion into an injection mold apparatus and an actuator. The insert includes a movable imprint plate with a predetermined pattern of protrusions configured to form grooves in an article molded by the mold apparatus. The insert also includes a stationary piece with a pattern of slots configured to correspond to the predetermined pattern of protrusions in the imprint plate. The actuator moves the imprint plate from a first position in which the protrusions on the imprint plate do not extend beyond the slots in the stationary piece to a second position in which the protrusions on the imprint plate extend temporarily beyond the slots in the stationary piece. An injection mold apparatus including the mold insert system, as well as a method of making a molded article including the mold insert system are also provided.Type: GrantFiled: May 14, 2009Date of Patent: February 1, 2011Assignee: Toyota Boshoku America, Inc.Inventors: Curtis Scott Randall, Daniel Thomas Sudd, Martin Thomas Milburn
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Publication number: 20110018171Abstract: An injection molding method for a plate-shaped resin substrate, wherein a through-hole whose diameter gradually becomes smaller from one surface to the other surface is provided thereon and fine flow path that connects to the through-hole is provided on the other surface. A cavity is formed by joining one molding die forming one surface with the other molding die forming the other surface. A part of the one molding die that forms the through-hole includes a taper pin that protrudes from the one molding die toward the other molding die. The substrate is formed by filling the cavity with resin material, and the substrate is released from the other molding die by separating the one molding die from the other molding die. By pushing the inner wall of the through-hole with the taper pin projected further toward the other molding die, the substrate is released from the one molding die.Type: ApplicationFiled: March 19, 2009Publication date: January 27, 2011Applicant: KONICA MMINOLTA OPTO, INC.Inventor: Kanji Sekihara
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Patent number: 7874827Abstract: A syringe mold with a coolant circulation outward and homeward positioned close to the cavity space and a sufficient coolant circulating flow for cooling a core cylinder is provided. Slide cores (5, 5) are put in the position where the slide cores (5, 5) protrude from the circumference of the core cylinder (2) by moving the slide core operating jig (4) forward in the axial direction of the core cylinder (2) while cooling the core cylinder (2) by the coolant. Then, a two medical agent mixing type syringe having a communicating groove on the inner circumference for mixing two medical agents is injection-molded. A molding failure due to insufficient cooling of the core cylinder (2) can be prevented by positioning the coolant outward and homeward close to the cavity space and making the cross sectional area of the coolant outward and homeward enough large because the coolant outward and homeward is partitioned by the circumference of the jig container space in the core cylinder (2).Type: GrantFiled: September 11, 2007Date of Patent: January 25, 2011Assignee: Daikyo Seiko Ltd.Inventors: Hiroshi Togashi, Morihiro Sudo
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Patent number: 7871261Abstract: The invention relates to an injection molding installation with a fixed and a moveable machine clamping plate, and at least one injection unit as well as an injection molding device which is located between the machine clamping plates for producing profiled parts, elongated at least in sections, by means of closure-side components which are assigned to the one machine clamping plate, and nozzle-side components which are assigned to the other machine clamping plate, as well as a slide module which is located between these components and which has a slide which is arranged in a moveable manner on a closure-side or nozzle-side component, wherein said slide contributes to form an original mould cavity, and a drive module for controlling the movement of the moveable part(s) of the slide module, wherein the part is produced in the intended dimension and shape inside and outside the mold via the movement of the slide.Type: GrantFiled: May 4, 2007Date of Patent: January 18, 2011Assignee: Dipl. Ing. Gottfried SteinerInventors: Gottfried Steiner, Thomas Krivec
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Patent number: 7867435Abstract: A catheter inflatable member forming mold can include first and second frames that mate to define a mold cavity, the mold cavity defining a main cavity portion and a bulge cavity portion, the mold cavity being sized to receive an elongated tube member therein. The mold can also include a pin member with a head portion positioned in the mold cavity, the pin member extending into the mold cavity, the head portion of the pin member being moveable in a first direction to contact and move the tube member towards the bulge cavity portion of the mold cavity during molding.Type: GrantFiled: March 21, 2008Date of Patent: January 11, 2011Assignee: Boston Scientific Scimed, Inc.Inventors: The Thomas Trin Tran, Richard A. Noddin
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Patent number: 7866046Abstract: A method for manufacturing a hydrodynamic bearing (30) includes the following steps. First, a substrate having a surface with multiple protrusions thereon is formed. The protrusions are adapted for forming grooves in a preform. The preform, when finally processed, becomes a shaft of the hydrodynamic bearing or a bearing of the hydrodynamic bearing. Second, a feedstock of binder and powder is pushed to the surface of the substrate to form the perform on the surface of the substrate. Third, the substrate is removed from the preform. Fourth, the preform is sintered. Fifth, the preform is precision machined to obtain the shaft or the bearing, as the case may be. In the shaft or bearing, the grooves are for generating hydrodynamic pressure.Type: GrantFiled: January 26, 2007Date of Patent: January 11, 2011Assignee: Foxconn Technology Co., Ltd.Inventor: Chuen-Shu Hou
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Patent number: 7862325Abstract: A die for forming a lost wax ceramic core allows the formation of non-parallel separating spaces between adjacent portions of the core. The core will eventually form cooling channels in an airfoil. The die for forming the core includes a plurality of moving parts having rib extensions. At least some rib extensions are non-parallel to form the non-parallel spaces. The die includes two main die halves that come together to form several of the spaces. Inserts move with those die components and come together to form other spaces. At least one of the inserts contacts surfaces on one of the die halves, such that the non-parallel spaces are formed.Type: GrantFiled: June 24, 2009Date of Patent: January 4, 2011Assignee: United Technologies CorporationInventors: Edward Pietraszkiewicz, Irwin D. Singer, James P. Downs
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Publication number: 20100326723Abstract: Forming feedthrough device comprising an electrically insulative structure having holes extending there through. The holes have disposed therein conductive members around which the electrically insulative structure is hermetically sealed.Type: ApplicationFiled: July 15, 2008Publication date: December 30, 2010Applicant: COCHLEAR LIMITEDInventors: Desmond A. McCusker, Mark Spalding, Steven J. Berry, Nicholas C. K. Pawsey, Steven Kennedy
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Patent number: 7857614Abstract: Disclosed, amongst other things, is: a continuous molding machine, a cam of the continuous molding machine, a post-molding device of the continuous molding machine, a molded article handling device, amongst other things.Type: GrantFiled: October 30, 2006Date of Patent: December 28, 2010Assignee: Husky Injection Molding Systems Ltd.Inventor: John Di Simone
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Publication number: 20100314165Abstract: A line set having a plastic body made of plastic material for contacting a sensor and to a method for manufacturing a line set of this type. The plastic body includes at least one flexible, elastic area like a film hinge. At least one cable is embedded plane-parallel in the plastic body over its length.Type: ApplicationFiled: June 9, 2010Publication date: December 16, 2010Inventor: Gerald Kammer
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Publication number: 20100298063Abstract: An apparatus and method for forming a reminder rib on a hand grip using an improved core bar having an axial groove extending lengthwise on a molding portion of the core bar for forming a rib on an interior surface of the hand grip. When the hand grip is installed on a shaft or handle, the interior rib forms a reminder rib on an underside of the hand grip.Type: ApplicationFiled: May 22, 2009Publication date: November 25, 2010Inventors: David Keith Gill, Alex Lee Walls
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Patent number: 7837391Abstract: A bearing retainer unit is formed by an insert-molding technique to cast a molded component of the bearing retainer unit utilizing a bearing bushing. A first mold die, having a circumferential surface shaped to correspond to at least a portion of the inner circumferential surface of a bearing-positioning portion of the molded component, and a second mold die, having an abutment that abuts against an axial end face of the first die, are readied. A molten material is then injected into the mold to form the molded part, thereby forming the die-parting line on the inner circumferential surface of the component's bearing positioning portion, positioned at the radially outer side of the abutment.Type: GrantFiled: September 15, 2006Date of Patent: November 23, 2010Assignee: Nidec CorporationInventors: Hideaki Kitamura, Takahiro Kikuichi, Fumihiro Umeda, Yoshihisa Kato, Koji Ando
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Publication number: 20100289185Abstract: The invention provides a mold insert system that includes an insert for insertion into an injection mold apparatus and an actuator. The insert includes a movable imprint plate with a predetermined pattern of protrusions configured to form grooves in an article molded by the mold apparatus. The insert also includes a stationary piece with a pattern of slots configured to correspond to the predetermined pattern of protrusions in the imprint plate. The actuator moves the imprint plate from a first position in which the protrusions on the imprint plate do not extend beyond the slots in the stationary piece to a second position in which the protrusions on the imprint plate extend temporarily beyond the slots in the stationary piece. An injection mold apparatus including the mold insert system, as well as a method of making a molded article including the mold insert system are also provided.Type: ApplicationFiled: May 14, 2009Publication date: November 18, 2010Inventors: Curtis Scott Randall, Daniel Thomas Sudd, Martin Thomas Milburn
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Publication number: 20100286773Abstract: The present invention relates to a foldable capsular vitreous body (FCVB), and its mould design, method for manufacturing, product appearance, and drug delivery property and so on. A mould for molding a foldable artificial vitreous body comprises an upper mould (1), a lower mould (2) and a core (3). The core (3) is disposed between the upper mould (1) and the lower mould (2) and is connected with a drainage-tube pin connected with an injection channel (4). Heating holes (6) are disposed in the upper mould (1) and/or the lower mould (2). Material is injected to the mould and is heated to vulcanize to mold vitreous body. The FCVB is adapted to be injected with any harmless medium and can be used as a delivery vehicle inside or around the eye ball. The size or shape of the FCVB can be changed depending on the different implant site.Type: ApplicationFiled: July 22, 2010Publication date: November 11, 2010Applicant: GUANGZHOU VISBOR BIOTECHNOLOGY LTD.Inventor: Qianying Gao
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Patent number: 7824173Abstract: First and second semi-finished molded articles and a third semi-finished molded article are molded simultaneously so as to have joint end faces by using a slide die, a fixed die, and first and second slide cores fitted to the fixed die. The slide die with the third semi-finished molded article remaining thereon is moved toward the first and second slide cores, and their respective joint end faces are registered. Heating surfaces are inserted between the joint end faces. After melting the joint end faces, the heating surfaces are retracted, and the molding device is closed to weld the joint end faces.Type: GrantFiled: June 25, 2009Date of Patent: November 2, 2010Assignee: The Japan Steel Works, Ltd.Inventor: Shoso Nishida
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Publication number: 20100271265Abstract: An antenna pattern frame according to an aspect of the invention may include: a radiator having an antenna pattern portion transmitting and receiving a signal and a connection terminal portion allowing the signal to be transmitted to and received from a circuit board of an electronic device; a connection portion partially forming the radiator and connecting the antenna pattern portion and the connection terminal portion to be arranged in different planes; and a radiator frame manufactured by injection molding on the radiator so that the antenna pattern portion is provided on one side of the radiator frame and the connection terminal portion is provided on the other side thereof while the antenna pattern portion is embedded in the electronic device case.Type: ApplicationFiled: December 30, 2009Publication date: October 28, 2010Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Jae Suk SUNG, Ha Ryong HONG, Yong Shik NA, Dae Seong JEON, Duk Woo LEE, Dae Kyu LEE, Sang Woo BAE, Dae Ki LIM, Sung Eun CHO, Nam II SEO
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Patent number: 7811497Abstract: A tool for manufacturing a multi-colored plastic automotive part, such as a door panel, is manufactured using multiple molding shots without opening the mold between each shot. The door panel comes out finished with no scuffing, warping, or shrinkage. The process for manufacturing the panel includes selectively locating spacers within the tool to a first position and then injecting a first material. The parting line is held closed while the spacers are then advanced to a second position so as to set the inner insert to a desired second shot wall thickness position. A second shot of material is then introduced into the rear of the injection unit through an opening in the first shot part. The process can be repeated for additional colors and materials to create a multi-colored or even multi-material final assembly. Once the part is cured, it is ejected and the process is complete.Type: GrantFiled: June 24, 2004Date of Patent: October 12, 2010Assignee: Johnson Controls Technology CompanyInventors: Gregory J. Balint, Peter J. Wolters
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Patent number: 7802981Abstract: A device for extracting the mold core and a mold assembly using the same are disclosed. The extracting device comprises a first gear, a plurality of first racks and a plurality of transmission assemblies, wherein the transmission assemblies and the corresponding first racks are spaced apart along the periphery of the first gear such that each transmission assembly is located between the first gear and first racks. The rotating motion of the first gear is transformed into a reciprocating motion of each of the first racks from a first position to a second position.Type: GrantFiled: May 24, 2007Date of Patent: September 28, 2010Assignees: Delta Electronics Components (Dongguan) Co., Ltd., Delta Electronics, IncInventors: Zg Liu, Victor Lee
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Patent number: 7799259Abstract: A two-color molding method with a short cycle time and a multicolor molding method including that two-color molding method, whereby, by performing an elastomer molding step using a time Z from a time t2 to t7 in the range of the time Y needed for the shaped article takeout step (A and B) and mold closing step (C) in the time t1 to t9, it becomes possible to effectively use the time of the shaped article takeout step (A and B) and mold closing step (C) which could not be utilized at all for the molding process in the past for the molding process, whereby the cycle molding time X can be shortened.Type: GrantFiled: December 10, 2008Date of Patent: September 21, 2010Assignee: DENSO CORPORATIONInventors: Hisashi Sawada, Shuichi Tamaki, Yukinori Narita
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Patent number: 7790087Abstract: Molding apparatus (1) for molding of materials consisting of at least two components, in particular for molding lipstick leads with at least one mold (2) in which the material to be molded may be poured and with a core (3) which may be inserted into and extracted out of the at least one mold (2), wherein the at least one core (3) has a modifiable outer surface, as well as a corresponding method.Type: GrantFiled: June 20, 2008Date of Patent: September 7, 2010Assignee: Weckerle GmbHInventor: Helmut Klein
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Publication number: 20100221380Abstract: An injection molding tool having a first section moveable with respect to a second section. In a first position, the first section contacts the second section along a parting line and forms a cavity. An expandable cavity part is moveably mounted with respect to the second section. In a closed condition, the expandable cavity part is in a retracted or molding position. The expandable cavity part can be moved away from the molding position or the closed condition to a release position or an expanded condition with allows access to molded part or other article. A core pin is either moveably mounted with respect to the expandable cavity part or is in a fixed position with respect to the expandable cavity part.Type: ApplicationFiled: February 27, 2009Publication date: September 2, 2010Applicant: Progressive Components International CorporationInventors: James W. Cullison, David Helenius, Glenn Starkey
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Patent number: 7785519Abstract: A mould for moulding braking bands with ventilation ducts with the use of composite material and, in particular, of C/SiC ceramic material, comprises two half-moulds with respective impression surfaces which face one another and lie perpendicular to an axis of symmetry and which, together with outer and inner cylindrical walls, define a moulding cavity in the shape of the braking band to be moulded. The mould also has pin elements which have the shape of the ventilation ducts and which can be transferred by secondary actuating means from a rest position to a working position and vice versa, the pin elements being outside the moulding cavity in the rest position and the pin elements being inserted in the moulding cavity in the working position.Type: GrantFiled: July 27, 2001Date of Patent: August 31, 2010Assignee: Freni Brembo S.p.A.Inventors: Giovanni Paolo Pacchiana, Ralf Siegfried Goller
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Patent number: 7780887Abstract: There are provided a golf ball in which the depths of dimples after grinding, which greatly affect the trajectory of golf ball, can be controlled readily and exactly, and a golf ball molding die for manufacturing the golf ball. The golf ball molding die in accordance with the present invention comprises two die bodies in which a cavity for molding a golf ball is formed by joining the die bodies to each other; and a protrusion formed on the cavity side surface of at least one of the die bodies, the protrusion having a uniform height from the surface or an imaginary spherical surface on which the protrusion is assumed to be absent toward the center of the cavity, wherein when a parting line is at latitude zero degree, the protrusion is arranged in the range of from latitude about 10 degrees to latitude about 80 degrees.Type: GrantFiled: December 19, 2007Date of Patent: August 24, 2010Assignee: Bridgestone Sports Co., Ltd.Inventors: Katsunori Sato, Atsushi Mitamura
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Publication number: 20100208933Abstract: An electronic device manufactured by molding according to an aspect of the invention may include a driving unit supplying a signal upon being pressed and then returning to its original state; a board having the driving unit mounted thereon; a driving unit mold casing unit molded with the driving unit from a resin material such that the driving unit can be driven; and a casing molding unit molded to completely cover the board, together with the driving unit mold casing unit, to form the outer appearance.Type: ApplicationFiled: December 2, 2009Publication date: August 19, 2010Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Duk Woo Lee, Jae Suk Sung, Dae Kyu Lee, Tae Sook Yang, Young Ho Jeon
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Patent number: 7771184Abstract: The present invention relates to a press for encapsulating electronic components, comprising: two displaceable mold parts (5,6), feed means for encapsulating material, and a drive mechanism connecting onto the mold parts. In a first embodiment the drive mechanism is provided with a fluid bed (14) and a first fluid feed (15) whereby their connection can be interrupted by a displacer (16). In a further embodiment a displacer (28) is provided in the feed channel (26) to place the encapsulating material (25) under pressure. Furthermore, the present invention relates to methods for encapsulating electronic components with encapsulating material in such presses.Type: GrantFiled: April 25, 2006Date of Patent: August 10, 2010Assignee: Fico B.V.Inventors: Johannes Lambertus Gerardus Maria Venrooij, Adrianus Henricus Ignatius Maria Verkuijlen
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Publication number: 20100178378Abstract: A mold for use in an injection molding process includes a molding plate, a molding block and a plurality of mold cores. The molding plate defines a receiving cavity, a plurality of through holes and a plurality of elongate gates. The through holes surround the receiving cavity, and each of the elongate gates communicates with the receiving cavity and the corresponding through hole. The molding block is detectably received in the receiving cavity. The molding block defines a cold slug well and a plurality of runners. Each runner communicates with the cold slug well and the corresponding elongate gate. Each mold core is received in the corresponding through hole.Type: ApplicationFiled: October 9, 2009Publication date: July 15, 2010Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: YUAN-LUNG KUO
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Patent number: 7754132Abstract: A method of making a spool seal having a smooth sealing surface is provided which utilizes a mold including separable first and second mold halves which join when closed to form a parting line which is positioned away from the area of the mold which forms the inner and outer diameter surfaces of the spool seal. A moldable material is introduced into the cavity defined by the closed mold halves and cured such that the resulting inner and outer diameter surfaces of the molded spool seal are free of parting lines.Type: GrantFiled: September 8, 2006Date of Patent: July 13, 2010Inventor: Forest H. Back, Sr.
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Patent number: 7748975Abstract: The present invention relates to a molding die for molding a hollow molding article, including: a pin plate having an inflow port for molding material, a tubular bushing forming a molding path continued from the inflow port, an outlet of the die positioned in the extending direction of the molding path, a conical pin provided perpendicularly to the pin plate and disposed inside the molding path, a gap, that is continuous in the longitudinal direction, being provided between an inner wall surface of the molding path and an outer surface of the conical pin, an adjusting device for adjusting a width of a standard annular gap when a gap formed between a specified position in the longitudinal direction of the molding path and the outer surface of the conical pin opposing to the position.Type: GrantFiled: August 15, 2007Date of Patent: July 6, 2010Assignee: Daicel Chemical Industries, Ltd.Inventors: Kenji Kitayama, Nobuyuki Ohji, Shogo Tomiyama
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Patent number: 7744361Abstract: The method employs a stationary mold having depositing recesses equipped in its inside with a deposition element such as a target electrode, and movable molds made slidable. A primary molding is performed to form a body portion and a cover member to have joint portions around their opening. The body portion left in the vertically sliding mold is deposited after it was densely covered with the depositing recesses. Next, the deposited body portion and the cover member, as left in the molds, are registered and mold clamped, and the molten metal is injected to integrated the joint portions.Type: GrantFiled: September 29, 2006Date of Patent: June 29, 2010Assignee: The Japan Steel Works, Ltd.Inventor: Shoso Nishida
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Publication number: 20100159064Abstract: An injection molding machine (10) comprises an injection molding tool (14) having a mold cavity, in which a molded part can be produced by overmolding a mold core of metal inserted into the mold cavity using an injection molding material, and a melting tool (18) by means of which the mold core overmolded with the injection molding material can be melted out, wherein the melting tool (18) comprises at least one current-carrying element (28) by which eddy currents can be generated in the material of the mold core.Type: ApplicationFiled: May 4, 2007Publication date: June 24, 2010Applicant: FRANZ SCHITTELKOP GMB & CO.Inventor: Volker Schittelkop
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Patent number: 7740465Abstract: A method and a casting mold for producing an optical semiconductor module is provided, wherein a semiconductor body having at least one optically active element on its top is introduced into a leadframe. Then conductive connections are established between the semiconductor body and the leadframe, and then the leadframe and semiconductor body are encapsulated in a casting mold. Wherein provided in the part of the casting mold that faces the top of the semiconductor body are masking bodies, which extend from the top inner wall of the casting mold towards the optically active elements and cover the elements with their respective end face in a way that seals out casting material.Type: GrantFiled: March 3, 2006Date of Patent: June 22, 2010Assignee: Atmel Automotive GmbHInventors: Dieter Mutz, Hans-Peter Waible
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Publication number: 20100140844Abstract: A method for manufacturing products (2) using a mold having at least one mold (1) cavity (6) with at least one injection point (ISA) and at least one flow path (V) which extends from said at least one injection point in the direction of a longitudinal edge-forming part of the mold cavity situated at a relatively large distance from said at least one injection point, in which longitudinal edge-forming part a longitudinal edge of said product is formed, which mold cavity has at least one first movable wall (14) part which is situated in and/or near said longitudinal edge-forming part, wherein said first movable wall part has been or is brought in a first position, wherein a mass is introduced under pressure into the mold cavity, and fills the mold cavity at least in and/or near said longitudinal edge-forming part, after which said at least one first movable wall part is moved in the direction of said opposite first wall part.Type: ApplicationFiled: July 30, 2007Publication date: June 10, 2010Applicant: ECIM TECHNOLOGIES B.V.Inventor: Hendricus Antonius Hoogland
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Publication number: 20100140819Abstract: A method and apparatus for coating lenses within an injection molding machine having a concave optical insert with a perimeter edge that meets the receiver ring in an annular contact region. A channel is formed throughout the annular contact region. When molding a lens with the apparatus, and according to the method, a closed-loop coating containment lip is formed by the channel. After the lens has solidified and the mold is opened, a predetermined volume of coating solution is applied and the mold is re-clamped. A uniformly thin layer of coating is cured on to the convex lens surface by avoiding coating run off and preventing mold contamination.Type: ApplicationFiled: December 5, 2008Publication date: June 10, 2010Inventors: Hao-Wen Chiu, Matthew Lockwood, Wilfred Houle
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Patent number: 7726966Abstract: An exemplary mold unit includes a first mold module and a second mold module adjacent to the first mold module. Each of the first mold module and the second mold module includes a fixed mold and a movable mold capable of moving toward and away from the fixed mold. The fixed and movable molds are configured to form a plurality of shaping chambers therebetween when the fixed and movable molds are in a closed position. The fixed mold defines a main runner having an inner end capable of communicating with the shaping chambers for supplying molten material into the shaping chambers.Type: GrantFiled: December 3, 2008Date of Patent: June 1, 2010Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: Hou-Yao Lin, Sheng-Jung Yu