Rotary Cam Patents (Class 425/451.4)
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Patent number: 8961861Abstract: A device and method for moving a mold clamp assembly of a molding apparatus between and open and closed position when the molding apparatus is in a stationary position. The device includes a rotatable cam member. A first cam surface is provided on the rotatable cam member. The first cam surface cooperates with a cam follower of the mold clamp assembly to move the mold clamp assembly to the open position when the rotatable cam member is rotated. A second cam surface is also provided on the rotatable cam member. The second cam surface cooperates with the cam follower of the mold clamp assembly to move the mold clamp assembly from the open position to the closed position when the rotatable cam member is further rotated.Type: GrantFiled: June 18, 2012Date of Patent: February 24, 2015Assignee: Graham Engineering CorporationInventor: John M. Mathy, Jr.
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Patent number: 8932045Abstract: A mold turnover system for turning over the rotating side mold over the fixed side mold includes a turnover device and a quick releasing mechanism, characterized in that the quick releasing mechanism comprises a hook associated with the turnover device and an engaging member associated with the rotating side mold, wherein the hook can be quick engaged onto or disengaged from the engaging member.Type: GrantFiled: September 9, 2010Date of Patent: January 13, 2015Assignee: Suzhou Red Maple Wind Blade Mould Co., Ltd.Inventor: Gabriel Mironov
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Patent number: 8814553Abstract: A modular mold clamp assembly for use in a molding machine. The assembly has a frame with a base member and oppositely-facing end members, with the oppositely-facing end members having mounting areas provided thereon. First and second platens are movably mounted on the base member between an open and a closed position. The platens are mounted on the frame and are movable relative to the frame without transmitting forces to the frame. The frame, containing the platens, can be mounted or unmounted to the molding machine by the use of mounting hardware cooperating with the mounting area of the frame.Type: GrantFiled: May 3, 2013Date of Patent: August 26, 2014Assignee: Graham Engineering CorporationInventors: John M. Mathy, Jr., Paul M. Oles, David N. Fiorani
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Patent number: 8622732Abstract: A multi-rod mechanism for opening and closing molds is provided and includes a single cam, a first side connection rod assembly located on a first side of the cam, a first mold actuated by the first side connection rod assembly, a linkage connection rod, a second side connection rod assembly located on a second side of the cam and actuated by the linkage connection rod, and a second mold actuated by the second side connection rod assembly. The multi-rod mechanism only uses the single cam to simultaneously actuate the first and second molds, so that the structure of the multi-rod mechanism can be simplified, while the vibration, loading, noise and abrasion of components during operation can be relatively reduced.Type: GrantFiled: February 2, 2011Date of Patent: January 7, 2014Assignee: National Sun Yat-Sen UniversityInventors: Der-min Tsay, Hsin-pao Chen, Shih-han Chen
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Patent number: 8591215Abstract: A machine (10) for manufacturing containers, includes a system (82) for providing assistance when changing moulds, including at least one module (84) which, combined with a moulding unit (24), has an actuation device (86) provided with an operating member (88) intended to cooperate with a member (52) for controlling the locking elements (55) when the moulding unit (24) occupies a specified reference position relative to the module (84), the operating member (88) being able to undergo a displacement so as to actuate the member (52) for controlling the locking elements (55) in order to cause the locking elements (55) to move towards at least one of the locked or unlocked positions and to make the mould holders (26) move towards at least one of the open or closed positions of the moulding unit (24).Type: GrantFiled: December 20, 2010Date of Patent: November 26, 2013Assignee: Sidel ParticipationsInventors: Yves-Alban Duclos, José Blanchard, Stéphane Hazard, Fabrice Burel, Cyrille Lefranc, Roland Chereau
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Patent number: 8573963Abstract: A multiple-piece cam unit for use in a molding machine. The cam unit has a cam track which engages cam followers of mold assemblies of the molding machine to move the cam followers between a first position and a second position. The cam unit includes a first cam section and a second cam section. The first cam section has an entrance portion which is dimensioned to receive the cam followers therein. The second cam section has an exit portion positioned to release the cam followers therefrom. The second cam section is moveably mounted to the molding machine to allow the exit portion of the second cam section to be moved relative to the entrance portion of the first cam section, to insure that the cam followers exiting the exit portion of the second cam section are properly aligned to enter the entrance portion of the first cam section.Type: GrantFiled: April 1, 2011Date of Patent: November 5, 2013Assignee: Graham Engineering CorporationInventors: John M. Mathy, Jr., Paul W. Klinedinst, Sr.
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Patent number: 8545750Abstract: A continuous blow molding machine includes a mechanism for shifting molds upstream after closing to reduce between-mold flash.Type: GrantFiled: December 11, 2012Date of Patent: October 1, 2013Inventor: Paul M. Oles
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Publication number: 20130236586Abstract: A clamping mechanism having: a drive; a shaft connected to the drive; an eccentric hub that is driven to rotate by the shaft; a fixed support structure that supports the eccentric hub such that the eccentric hub can rotate; and a moving support structure that is connected to the eccentric hub such that the moving support structure is driven substantially linearly based on rotational motion of the eccentric hub and serves to clamp an object between the moving support structure and a fixed structure adjacent to the moving support structure. A clamping system is provided having, a single drive; a shaft connected to the drive; and a plurality of clamping mechanisms.Type: ApplicationFiled: April 22, 2013Publication date: September 12, 2013Applicant: ATS AUTOMATION TOOLING SYSTEMS INC.Inventor: Robert Donald ECOB
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Patent number: 8517710Abstract: A machine for the manufacture of containers made of thermoplastic, includes at least one molding unit selectively associated with a control module (70) able, in the use state, selectively using a first actuating device (76) to control the locking device and using a second actuating device (78) to control the opening/closing device with which the molding unit is respectively equipped.Type: GrantFiled: August 16, 2010Date of Patent: August 27, 2013Assignee: Sidel ParticipationsInventors: Yves-Alban Duclos, Stéphane Hazard, Fabrice Burel
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Patent number: 8454342Abstract: A modular mold clamp assembly for use in a molding machine. The assembly has a frame with a base member and oppositely-facing end members, with the oppositely-facing end members having mounting areas provided thereon. First and second platens are movably mounted on the base member between an open and a closed position. The platens are mounted on the frame and are movable relative to the frame without transmitting forces to the frame. The frame, containing the platens, can be mounted or unmounted to the molding machine by the use of mounting hardware cooperating with the mounting area of the frame.Type: GrantFiled: October 6, 2010Date of Patent: June 4, 2013Assignee: Graham Engineering CorporationInventors: John M. Mathy, Jr., Paul M. Oles, David N. Fiorani
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Publication number: 20130119582Abstract: A mould assembly includes a first mould part with a first mould opening and a second mould part with a second mould opening. The first mould part and the second mould part are separate parts. A rotating device rotates the second mould part from a position in which the second mould opening faces upwards to a position in which the second mould opening faces downwards. A moving device moves the first mould part and/or the second mould part relative to each other such that the second mould part is located above the first mould part. A closing device moves the first mould part and the second mould part towards each other with the first and second mould openings facing each other until the first and second mould parts engage. Further, a method of closing a mould assembly is provided.Type: ApplicationFiled: February 7, 2011Publication date: May 16, 2013Inventor: Karsten Schibsbye
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Patent number: 8425219Abstract: A clamping mechanism having: a drive; a shaft connected to the drive; an eccentric hub that is driven to rotate by the shaft; a fixed support structure that supports the eccentric hub such that the eccentric hub can rotate; and a moving support structure that is connected to the eccentric hub such that the moving support structure is driven substantially linearly based on rotational motion of the eccentric hub and serves to clamp an object between the moving support structure and a fixed structure adjacent to the moving support structure. A clamping system is provided having, a single drive; a shaft connected to the drive; and a plurality of clamping mechanisms.Type: GrantFiled: March 29, 2011Date of Patent: April 23, 2013Assignee: ATS Automation Tooling Systems Inc.Inventor: Robert Donald Ecob
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Patent number: 8371841Abstract: A device for molding plastic preforms into plastic containers may include at least one blow station having a first mold part and a second mold part. The first mold part and the second mold part surround a cavity within which the plastic preforms may be expanded into plastic containers. The first mold part may be movable relative to the second mold part. The device includes a first cantilever which is disposed on the first mold part, a second cantilever which is disposed on the second mold part, a first hinge lever which is hingedly connected to the first cantilever, and a second hinge lever which is hingedly connected to the second cantilever. The first cantilever and the second cantilever may be arranged to be pivotable with regard to at least one geometrical pivot axis and may be coupled to an actuating device which causes a movement of the first cantilever and of the second cantilever for moving the mold parts. The blow station may be mounted on a transport via a carrier.Type: GrantFiled: October 12, 2010Date of Patent: February 12, 2013Assignee: Krones AGInventors: Josef Penninger, Christian Stoiber, Erik Blochmann, Thomas Philipp
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Patent number: 8356991Abstract: A continuous blow molding machine includes a mechanism for shifting molds upstream after closing to reduce between-mold flash.Type: GrantFiled: March 11, 2010Date of Patent: January 22, 2013Assignee: Graham Engineering CorporationInventor: Paul M. Oles
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Patent number: 8337741Abstract: A method for operating a rotary press, comprising a rotor rotatably driven about a vertical axis that has a die-plate and upper and lower rams which, while being guided vertically in guides of the rotor, interact with holes of dies in the die-plate wherein at least one compression station is provided and has an upper and a lower pressing roller past which the presser rams run along and by which they are moved towards the die-bore for the purpose of compacting the material in the die-hole, wherein the upper and lower rams are lifted subsequent to the compression procedure, causing the lower ram to eject a compact from the die and the compact to be stripped by a stripper in the direction of a discharge chute, characterized in that while an compact ejection procedure is under way the upper ram stands upright on top of the compact and is lifted therewith and the stripper seizes the compact laterally while the upper ram is still standing upright on top of the compact.Type: GrantFiled: April 25, 2006Date of Patent: December 25, 2012Assignee: Fette GmbHInventors: Harald Romer, Ulrich Zeuschner, Ingo Schmidt, Thorsten Ehrich, Kurt Marquardt
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Patent number: 8323019Abstract: A blow mould apparatus for moulding plastic preforms into plastic containers with a first mould carrier element and a second mould carrier element which is swivelable about a connecting axis in relation to the first mould carrier element, wherein the mould carrier elements cooperate such that in a closed state of the blow mould apparatus they form in their interior a cavity in which the plastic preforms can be expanded into plastic containers, and with a locking device which locks the first mould carrier element in relation to the second mould carrier element in order to hold the blow mould apparatus at least temporarily in a closed state, wherein the locking device has at least one locking element which is arranged on a mould carrier element, is mobile and cooperates with the other mould carrier element to lock the mould carrier elements and wherein the locking device comprises a mobile actuation element, the movement of which is coupled at least temporarily with a movement of the locking element, the actuatType: GrantFiled: March 28, 2011Date of Patent: December 4, 2012Assignee: Krones AGInventor: Thomas Spitzer
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Patent number: 8287263Abstract: Disclosed herein is a machine for producing expanded-grain cakes. The machine includes a frame, a mold unit, a grain supply unit, a grain transfer unit, a mold pressure arm, a drive unit, an open cam, a control unit and a cover unit. A precise charge of cereal grain is metered at the grain supply unit and in synchronism with the mold open cycle, distributed evenly over the mold cavity. Then with the mold unit clamped closed, the charge is heated and, at the end of the baking cycle, a preform is produced with gases at high pressure entrained therewithin. Upon release from the mold, the preform expands to a grain cake of the desired size. The machine controls the thermal energy input, the cycle frequency, the size of the grain charge, and the ejection trajectory. Several interrupts are used to ensure conformance to the control parameters and to enhance operator safety.Type: GrantFiled: January 26, 2011Date of Patent: October 16, 2012Assignee: Coco International, Inc.Inventor: Yoon Sang Cho
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Patent number: 8257076Abstract: A multi-rod structure for opening and closing molds is provided and includes a single cam, a first side connection rod assembly located on a first side of the cam and having a first side triple connection rod, a first mold actuated by the first side triple connection rod, a linkage connection rod, a second side connection rod assembly located on a second side of the cam and having a second side triple connection rod actuated by the linkage connection rod, and a second mold actuated by the second side triple connection rod. The multi-rod structure only uses the single cam to simultaneously actuate the first and second molds, so that the structure can be simplified, while the vibration, loading, noise and abrasion of components during operation can be relatively reduced.Type: GrantFiled: February 3, 2011Date of Patent: September 4, 2012Assignee: National Sun Yat-Sen UniversityInventors: Der-min Tsay, Hsin-pao Chen, Shih-han Chen
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Patent number: 8215948Abstract: The invention relates to a molding device for producing vessels by blowing or stretch-blowing from preforms of a heated thermoplastic material, the device including at least one mold that has at least two half-molds and a driving mechanism for moving the half-molds between an open position and a closed position. The two half-molds are hinged together for rotation about a hinge axis included in the junction plane and perpendicular to the axis of the molding cavity, the hinge axis being located under the half-molds, while a mechanism for locking the half-molds in their closed position are also provided. Each half-mold includes an outer surface area capable of abutment with an inner surface area of the mechanism for locking the half-molds in their closed position. The locking mechanism is in the form of a clamp capable of clamping the two half-molds in their closed position.Type: GrantFiled: February 19, 2008Date of Patent: July 10, 2012Assignee: Sidel ParticipationsInventors: Nicolas Rousseau, Laurent Danel
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Publication number: 20120086151Abstract: Embodiments of a mold insert assembly and methods of use are disclosed herein. A mold insert assembly includes, but is not limited to a driving member that moves between a retracting position and an extending position, a plurality of first-segment members engaging the driving member and moving between a first retracted position and a first extended position and a plurality of second-segment members proximate the plurality of first-segment members and configured to move between a second retracted position and a second extended position as the driving member moves to the extending position. The plurality of first-segment members and second-segment members cooperate to form a substantially liquid-tight periphery when the driving member is in the extending position. The plurality of first-segment members second-segment members are configured to move towards the first and second retracted positions, respectively when the driving member moves towards the retracting position.Type: ApplicationFiled: October 7, 2010Publication date: April 12, 2012Applicant: GM GLOBAL TECHNOLOGY OPERATIONS, INC.Inventors: MICHAEL J. WALKER, MARK A. KRAMARCZYK
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Patent number: 8100688Abstract: The invention relates to a device for blow molding containers. The temperature of parisons, which are made of a thermoplastic material, is adjusted and the parisons are then molded in a blow mold under the effect of a pressurized medium to give containers. The blow mold which is composed of at least two blow mold segments is held in place by mold supports of a blow molding station (3) that is arranged on a supporting structure (41). A bottom part (7) is used in addition to the blow mold segments. Both the mold supports and the bottom part are arranged in such a way that they can be mechanically positioned. The mold supports and the bottom part are mechanically coupled to each other. One of the mold supports (19) is immobile and the other mold support is swiveled to the supporting structure.Type: GrantFiled: April 10, 2008Date of Patent: January 24, 2012Assignee: KHS Corpoplast GmbH & Co. KGInventors: Michael Litzenberg, Michael Linke, Rolf Baumgarte, Frank Lewin
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Patent number: 7922478Abstract: A control device using a follower member and a cam path to control an element of a container processor machine, the device comprising two cam paths defined by a single rigid assembly (5), means enabling relative movement between the follower member and the rigid assembly (5), between at least two positions, the follower member engaging a first cam path in a first position and engaging a second cam path in a second position. A blow-molding or stretch blow-molding machine including such a device, in particular for controlling the movement of the lengthening rod, or for controlling mold locking/unlocking, or for controlling mold opening/closing.Type: GrantFiled: December 15, 2006Date of Patent: April 12, 2011Assignee: Sidel ParticipationsInventors: Philippe Derouault, Laurent Danel
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Patent number: 7914276Abstract: An assembly including units for molding polymer materials, the units being arranged successively in a mobile line, each of the molding units including a mold, the mold including two parts mutually mobile about a pivot pin, the movement of the two parts relative to each other being produced upon opening and closing of the mold. The assembly includes rollers co-operating with a track, each of the rollers being connected by link rods to the two pivot pins of adjacent molding units, the path described by the rollers against the track and the path described by the pivot pins being urged to be brought closer together on a predetermined travel of the molding units, such that the distance between the pivot pins of the adjacent molding units is increased during the travel.Type: GrantFiled: July 4, 2006Date of Patent: March 29, 2011Assignee: Sidel ParticipationsInventor: Bruno Galloni
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Patent number: 7905720Abstract: The invention concerns a unit (6) for molding containers (2), comprising: a pair of half-molds (9), mounted respectively on two supports (10) mobile in horizontal translation; a primary transmission (19) controlling the movement of the supports (10); a mold base (14) mounted on a support (15) mobile in vertical translation; a secondary transmission controlling the movement of the mold base support (15); a locking device (16), comprising two mobile locks (17) co-operating each with a half-mold support (10); a tertiary transmission (21) controlling the movement of the locks (17). The transmissions include cams mounted on a common shaft, respectively coupled to the half-mold supports, to the mold base support and to the locks.Type: GrantFiled: September 8, 2006Date of Patent: March 15, 2011Assignee: Sidel ParticipationsInventors: Philippe Freire-Diaz, Sylvain Auvray
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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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Patent number: 7766645Abstract: A molding device for manufacturing thermoplastic containers by blow-molding or stretch-blow-molding heated parisons. The molding device having a blow-molding mold of the hinged mold type with at least two mold halves which can be separated from one another by rotation about a common axle of articulation under the action of an actuating device. The actuating device is designed in such a way that the two mold halves have respective angles of opening on each side of the parting plane of the mold which are not equal.Type: GrantFiled: May 14, 2009Date of Patent: August 3, 2010Assignee: Sidel ParticipationsInventor: Stéphane Legallais
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Patent number: 7736142Abstract: A blow moulding machine (10) for the manufacture of containers based on preforms, includes at least one rotating turntable (12) furnished with a console (16) supporting two half-moulds (20, 22) that are designed to form the body of the container and a mould base (32) that is designed to form the bottom of the container, of the type in which the mould base (32) is driven so as to slide vertically by a cam system (46), characterized in that the console (16) includes at least one return member that forces the mould base (32) towards its top position, and in that the cam system (46) includes a cam follower element (52) that is slidingly connected to the mould base (32) and that interacts with a control surface (54) oriented downwards.Type: GrantFiled: July 13, 2005Date of Patent: June 15, 2010Assignee: Sidel ParticipationsInventors: Stephane Legallais, Jose Blanchard
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Patent number: 7510389Abstract: A press has a frame including guides extending in a predetermined direction and a pair of tool-halves mounted on the frame and are movable on the guides in the direction toward and away from each other. Two knee-lever linkages symmetrically spacedly flanking each tool half with respect to a center plane substantially parallel to the direction, each coupled to the respective tool half and to the frame, and operable to shift the tool halves in the direction. Respective reversible, rotary drives each carry an eccentric output connected to respective drive links extending to the linkages. A controller connected to the drives rotates the eccentrics oppositely in respective first senses to press the one half in the direction against the other half and thereafter to pull the one half in the direction away from the other half with the two linkages never extending into a central region of the machine.Type: GrantFiled: March 8, 2007Date of Patent: March 31, 2009Assignee: Gabler Thermoform GmbH & Co. KGInventor: Jens Schröder
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Patent number: 7494334Abstract: The mold assembly (100) is provided including a mold plate (20), a mold core (30), an elastic member (40) and an adjusting member (50). The mold plate has a receiving cavity (25) and a receiving aperture (27) defined therein. The mold core is received in the receiving cavity. The elastic member, configured to restore the mold core to its previous position, is disposed between the mold plate and the mold core. The adjusting member is received in the receiving aperture, engaging with the mold core to drive the mold core to move relative to the mold plate.Type: GrantFiled: November 1, 2006Date of Patent: February 24, 2009Assignee: Hon Hai Precision Industry Co., Ltd.Inventor: Ming-Chiang Tsai
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Patent number: 7381046Abstract: A lipstick making device includes an elastic mold device having a mold cavity for filling and molding a lipstick element, three or more curved mold pieces movably disposed above the elastic mold device for forming a hole in the mold pieces when the curved mold pieces are moved radially inward and toward each other, and for receiving the lipstick material to form a root portion of the lipstick element. The root portion of the lipstick element may be exposed when the curved mold pieces are moved away from each other for allowing the slide of the lipstick housing to be easily and readily engaged onto the exposed root portion of the lipstick element.Type: GrantFiled: June 27, 2006Date of Patent: June 3, 2008Inventor: Fu Chin Kuo
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Publication number: 20080102153Abstract: 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: ApplicationFiled: October 30, 2006Publication date: May 1, 2008Applicant: Husky Injection Molding Systems Ltd.Inventor: John Di Simone
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Publication number: 20070295887Abstract: A lipstick making device includes an elastic mold device having a mold cavity for filling and molding a lipstick element, three or more curved mold pieces movably disposed above the elastic mold device for forming a hole in the mold pieces when the curved mold pieces are moved radially inward and toward each other, and for receiving the lipstick material to form a root portion of the lipstick element. The root portion of the lipstick element may be exposed when the curved mold pieces are moved away from each other for allowing the slide of the lipstick housing to be easily and readily engaged onto the exposed root portion of the lipstick element.Type: ApplicationFiled: June 27, 2006Publication date: December 27, 2007Inventor: Fu Chin Kuo
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Patent number: 7293979Abstract: A molding device moves at least one molding tool (10), especially for generating head geometries in plastic containers, by a link motion (22). The link motion brings the respective molding tool (10) into the closed position at least for closing the tool. This motion (22) is actuated by a drive (24), allowing for a novel drive and kinematic concept for the respective molding tool to completely avoid hydraulic drive means. The drive is preferably an electric drive, especially a step motor.Type: GrantFiled: January 24, 2004Date of Patent: November 13, 2007Inventor: Bernd Hansen
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Patent number: 7278848Abstract: A molding device includes a device for displacing at least one molding tool (10, 10a), especially for the production of geometrics of plastic containers, by a linking motion (12) which brings the respective molding tool (10, 10a) into a closing position (I-I) for at least the closure of the mold. The linking position (12) can be operated by a drive (14). Based on the linking motion (12), a novel drive and displacement concept for the respective molding tool is provided, enabling the hydraulic means to be totally dispensed with a drive, preferably an electric drive, can be used, especially in the form of a stepping motor.Type: GrantFiled: January 23, 2004Date of Patent: October 9, 2007Inventor: Bernd Hansen
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Patent number: 7270534Abstract: The invention relates to an operating system for an externally operated part of a closing unit, in particular for a mold carrier of a closing unit. During operation, the entire closing unit (12) moves in a predefined first direction (D) and the externally operated part (18) can be moved between at least two positions. The externally operated part (18) includes a guide element in the form of a cam roller (22) which is moveable for reaching at least one of the positions in a predefined second position (A) by at least one operating unit (29) arranged separately to the closing unit (12). The operating unit (29) includes at least one gripper member (48) which grabs the cam roller (22) for moving the part (18) to the predefined second position (A) and moves it in this direction.Type: GrantFiled: December 3, 2003Date of Patent: September 18, 2007Assignee: Krauss-Maffei Kunststofftechnik GmbHInventors: Erwin Laar, Manfred Holzner, Janusz Hontz
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Patent number: 7137804Abstract: Actuation system for opening and closing a two-part mold that includes first and second mold parts movably mounted to each other. The actuation system includes a carriage which can move in each of two directions, a first pivoting part coupled to the first mold part, a second pivoting part coupled to the second mold part, and at least one actuating member connected to each of the carriage and at least one of the first and second pivoting parts. This abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.Type: GrantFiled: June 7, 2002Date of Patent: November 21, 2006Assignee: ADSInventors: Claude Mue, Patrick Trassard, Luc Dorin
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Patent number: 7004746Abstract: The novel solution provides a closing part comprising an electromechanical drive for a CD injection molding machine having a working stroke and a servicing stroke. The entire mold closing unit is characterized by the combination of a short-stroke crank mechanism which is operated by an electric motor and which is provided for the working stroke and of a central electromotive column-type nut drive for the servicing stroke. According to the invention, synchronous motors or asynchronous motors are used with corresponding servo boosters to realize servo axles. The central column drive is used as a control element of the closing force control, together with a force sensor for detecting the closing force, as an actual value transmitter and as a control device.Type: GrantFiled: June 4, 2004Date of Patent: February 28, 2006Assignee: Netstal-Maschinen AGInventors: Robert Weinmann, Bruno Stillhard, Ralph Keitel
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Patent number: 6796783Abstract: The novel solution provides a closing part comprising an electromechanical drive for a CD injection molding machine having a working stroke and a servicing stroke. The entire mold closing unit is characterized by the combination of a short-stroke crank mechanism which is operated by an electric motor and which is provided for the working stroke and of a central electromotive column-type nut drive for the servicing stroke. According to the invention, synchronous motors or asynchronous motors are used with corresponding servo boosters to realize servo axles. The central column drive is used as a control element of the closing force control, together with a force sensor for detecting the closing force, as an actual value transmitter and as a control device.Type: GrantFiled: November 14, 2001Date of Patent: September 28, 2004Assignee: Netsal Maschinen AGInventors: Robert Weinmann, Bruno Stillhard, Ralph Keitel
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Patent number: 6722273Abstract: The numbering machine comprises a series of cams (2) and a series of wheels (3), each cam (2) being connected with a wheel (3), so that the turning of a cam (2) signifies the turning of a wheel (3). The cams (2) have on their periphery nine projections (17) and a recess or hollow (18), while each wheel (3) has on its periphery the digits corresponding to the first nine numbers.Type: GrantFiled: November 25, 2002Date of Patent: April 20, 2004Assignee: Comercial de Útiles y Moldes, S.A.Inventor: Alberto Navarra Pruna
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Patent number: 6712599Abstract: A molding/punching station for molding and punching containers out of a foil strip (2) of thermoplastic synthetic material, which station includes a molding table (5) for holding one half of a mold (4); a frame (9) in which the table (5) is mounted for pivotal movement about a fixed axis of rotation (26) transverse to a longitudinal axis (35) of the table (5); and a single guideway (27) that is mounted on the frame (9) and engages the table (5) for guiding the pivotal motion of the table (5), with the guideway (27) for pivoting table (5) being disposed between the plane of the foil strip (2) in the station and the pivoting point (26′) or axis of rotation (26) of the table (5), if necessary with sectional areas of the guideway (27) being opposite the foil strip (2).Type: GrantFiled: January 3, 2002Date of Patent: March 30, 2004Assignee: Adolf Illig Maschinenbau GmbH & Co. KGInventors: Stefan Schlimgen, Michael Firzlaff
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Publication number: 20020086078Abstract: A molding/punching station for molding and punching containers out of a foil strip (2) of thermoplastic synthetic material, which station includes a molding table (5) for holding one half of a mold (4); a frame (9) in which the table (5) is mounted for pivotal movement about a fixed axis of rotation (26) transverse to a longitudinal axis (35) of the table (5); and a single guideway (27) that is mounted on the frame (9) and engages the table (5) for guiding the pivotal motion of the table (5), with the guideway (27) for pivoting table (5) being disposed between the plane of the foil strip (2) in the station and the pivoting point (26′) or axis of rotation (26) of the table (5), if necessary with sectional areas of the guideway (27) being opposite the foil strip (2).Type: ApplicationFiled: January 3, 2002Publication date: July 4, 2002Inventors: Stefan Schlimgen, Michael Firzlaff
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Patent number: 6241931Abstract: Apparatus and a method for injection molding large container lids of the type having threads for screwing the lids onto and off large containers. The apparatus includes an injection mold having a cavity mold portion and a core mold portion which together define the shape of the lid. The core mold portion includes a stationary annular ring that defines the lid threads. A co-axial, rotatable center section of the core mold portion is opened to spin the molded lid off the core mold portion and release it from the mold.Type: GrantFiled: June 1, 1998Date of Patent: June 5, 2001Assignee: Top Grade Machining Ltd.Inventors: Vince Ciccone, Jerko Knezovic