With Product Severing Or Trimming Means Patents (Class 164/262)
  • Publication number: 20140348693
    Abstract: A casting system for molding metal. The casting system has a mold comprising a cavity in a predefined shape. A riser in flow communication with the mold wherein the riser provides molten metal to said cavity as the molten metal freezes. A riser breaker insert is between the mold and the riser wherein the riser breaker insert comprises voids. A molten metal supply is provided which is capable of filling the mold and the voids of said riser breaker insert and at least partially filling the riser.
    Type: Application
    Filed: May 16, 2014
    Publication date: November 27, 2014
    Applicant: Porvair PLC
    Inventors: Donald B. Craig, Christopher J. Mann, David P. Haack, James R. Schmahl
  • Patent number: 8809689
    Abstract: A composite interconnect assembly includes a body structure formed from a composite material (e.g., a carbon graphite material) with one or more conductive traces embedded therein (e.g., a copper or copper alloy). One or more contact regions are provided such that the conductive traces are exposed and are configured to mechanically and electrically connect to one or more electronic components. The body structure may have a variety of shapes, including planar, cylindrical, conical, and the like.
    Type: Grant
    Filed: July 2, 2012
    Date of Patent: August 19, 2014
    Assignee: Raytheon Company
    Inventors: Thomas A. Olden, Walter Wrigglesworth
  • Publication number: 20140150982
    Abstract: Metal alloy injection molding techniques are described. In one or more implementations, these techniques may also include adjustment of injection pressure, configuration of runners, and/or use of vacuum pressure, and so on to encourage flow of the metal alloy through a mold. Techniques are also described that utilize protrusions to counteract thermal expansion and subsequent contraction of the metal alloy upon cooling. Further, techniques are described in which a radius of edges of a feature is configured to encourage flow and reduce voids. A variety of other techniques are also described herein.
    Type: Application
    Filed: December 4, 2012
    Publication date: June 5, 2014
    Applicant: MICROSOFT CORPORATION
    Inventors: Paul C. Bornemann, Raj N. Master, Michael Joseph Lane, Seah Sun Too
  • Patent number: 8434545
    Abstract: A die casting tool (1) of a die casting machine, includes a first mold (2) having a first and a second mold part (5, 6), which can be displaced in a linear manner to each other for closing and opening the mold and which form at least one casting chamber between each other, and including at least one casting runner (16), further includes an additional, second mold (3) having a third and a fourth mold part (7, 8), which can be displaced in a linear manner to each other in a parallel manner to the mold parts (5, 6) of the first mold (2) for closing and opening the mold, and which form at least one further casting chamber between each other, wherein a mold part (5, 6) of the first mold (2) and a mold part (7, 8) of the second mold (3) are disposed back-to-back and receive between each other an intermediate element (4), which is the casting runner (16).
    Type: Grant
    Filed: March 10, 2009
    Date of Patent: May 7, 2013
    Assignee: Georg Fischer Dienstleistungen GmbH
    Inventors: Ignaz Huber, Thomas Pippel
  • Patent number: 8257643
    Abstract: A temperature maintenance and/or possible heating apparatus for long products, continuously cast and sheared to size by means of shearing means so as to define segments of bloom, said apparatus being disposed between a casting machine having a first casting line and a second casting line, and a rolling line disposed downstream of the casting machine in order to make long rolled metal products. The apparatus comprises a first furnace, a second furnace and a transit tunnel. The first furnace is provided with a first introduction rollerway. The second furnace is disposed upstream with respect to said first furnace, provided with a second introduction rollerway. The transit tunnel is located aligned with said first casting line, adjacent and parallel to the longitudinal extension of the second furnace and upstream of said first furnace.
    Type: Grant
    Filed: August 18, 2010
    Date of Patent: September 4, 2012
    Assignee: Danieli & C. Officine Meccaniche SpA
    Inventor: Gianpietro Benedetti
  • Publication number: 20120024434
    Abstract: The invention relates to a method of and a plant for making hot-rolled strips of cast metal, wherein the cast strip is subjected as a rough strip to at least a first step for momogenizing the grain structure in a protective gas and the cast strip is then subjected to at least a further heat-treatment step before it is rolled to reduce its thickness. After the thickness reduction the cast strip is subjected to a second step of homogenization or recrystallization of its grain structure before finally the strip is passed to a cutter and a finished rolled hot piece is severed from the following strip.
    Type: Application
    Filed: December 9, 2009
    Publication date: February 2, 2012
    Inventors: Rolf Franz, Karl-Heinz Spitzer, Hellfried Eichholz, Markus Schaeperkoetter
  • Patent number: 7975749
    Abstract: A set of dies are composed in order to remove excess metal from a casting with a press. A method of removing the excess metal from the casting includes the steps of attaching a cutter to one of the stationary die side or the movable die side; setting a work on the other side; and punching excess metal of the work into a recess shape by one punching motion of the movable die with a plurality of blades from the first blade, which is smaller, to the final blade, which is larger and protruded, when the excess metal of the work is removed by a punching motion of the movable die conducted on the stationary die. A cutter includes a row of blades in which a plurality of blades are arranged step-wise having a change in the form from the first blade, which is smaller than the final shape of the excess metal to be punched, to the final blade, the shape of which is the same as the final shape.
    Type: Grant
    Filed: September 15, 2010
    Date of Patent: July 12, 2011
    Assignee: Mohka Mfg. Co., Ltd.
    Inventor: Katsuya Nishina
  • Publication number: 20110030913
    Abstract: A die casting tool (1) of a die casting machine, comprising a first mold (2) having a first and a second mold part (5, 6), which can be displaced in a linear manner to each other for closing and opening the mold and which form at least one casting chamber between each other, and including at least one casting runner (16), further comprising an additional, second mold (3) having a third and a fourth mold part (7, 8), which can be displaced in a linear manner to each other in a parallel manner to the mold parts (5, 6) of the first mold (2) for closing and opening the mold, and which form at least one further casting chamber between each other, wherein a mold part (5, 6) of the first mold (2) and a mold part (7, 8) of the second mold (3) are disposed back-to-back and receive between each other an intermediate element (4), which comprises the casting runner (16).
    Type: Application
    Filed: March 10, 2009
    Publication date: February 10, 2011
    Applicant: GEORG FISCHER DIENSTLEISTUNGEN GMBH
    Inventors: Ignaz Huber, Thomas Pippel
  • Patent number: 7810548
    Abstract: A set of dies are composed in order to remove excess metal from a casting with a press. A method of removing the excess metal from the casting includes the steps of: attaching a cutter to one of the stationary die side or the movable die side; setting a work on the other side; and punching excess metal of the work into a recess shape by one punching motion of the movable die with a plurality of blades from the first blade, which is smaller, to the final blade, which is larger and protruded, when the excess metal of the work is removed by a punching motion of the movable die conducted on the stationary die.
    Type: Grant
    Filed: November 30, 2006
    Date of Patent: October 12, 2010
    Assignee: Mohka Mfg. Co., Ltd.
    Inventor: Katsuya Nishina
  • Publication number: 20090294090
    Abstract: An apparatus for the removal of excess solder or contaminant, which are encountered on the surfaces of injection mold prior to the transfer of a solder on a silicon wafer. More particularly, there is provided an apparatus for the removal of excess solder, which may be present on a mold surface, without removing any solder, which is located in cavities formed in the mold, and wherein the solder is applied through an injection molded soldering process.
    Type: Application
    Filed: August 12, 2009
    Publication date: December 3, 2009
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Eric E. Bouchard, Guy Brouillette, David H. Danovitch, Peter A. Gruber, Jean-Luc Landreville
  • Patent number: 7140414
    Abstract: The present invention relates to a method of removing a gate remnant from a casting comprising the steps of: providing a gating including a casting and a gate remnant, the gate remnant including a riser and at least two in-gates, wherein the at least two in-gates are attached to the riser and to the casting; weakening one of the at least two in-gates; and applying a first force to one of the at least two in-gates, wherein the first force severs the one of the at least two in-gates and thereby urges the riser away from the casting such that the other one of the at least two in-gates is severed, thereby separating the gate remnant from the casting.
    Type: Grant
    Filed: October 20, 2004
    Date of Patent: November 28, 2006
    Assignee: Hayes Lemmerz International, Inc.
    Inventors: Kenneth D. McKibben, Daniel D. Minor, Alan P. Gould, Robert L. Macheske
  • Patent number: 7108044
    Abstract: A method and an apparatus for machining a mold material to produce a mold. By casting based on a cast mold model (15), a mold material (20) is produced in a form having a work margin. Thereafter, a shape of the mold material (20) is measured by a measuring device (16), and measurement data and an envelope model (M2) generated based on the measurement data are stored in a storage unit (12A) of a computer (12). Thereafter, a mold model (M1) based on mold design data and an envelope model (M2) are displayed on a display unit (12C), and the envelope model (M2) is linearly moved in direction of three axes X, Y and Z orthogonal to one another respectively and rotated around the three axes to bring a product forming plane (M2B) of the envelope model (M2) into close proximity of a product forming plane (M1B) of the mold model (M1).
    Type: Grant
    Filed: February 27, 2004
    Date of Patent: September 19, 2006
    Assignee: Kikuchi Co., Ltd.
    Inventors: Yutaka Miyamoto, Norihiko Kikuchi
  • Patent number: 6638137
    Abstract: An improvement in the after-cast operation of removing the casting gate from an investment casting comprising a formed locator on the gate, the formed locator being capable of locating the casting in a desired position and of being gripped to hold the casting in place while the gate is severed near the casting. An investment casting pattern and gate attached thereto, the pattern gate being distinguished by a locator formation on the gate at a location spaced from the casting pattern.
    Type: Grant
    Filed: October 5, 2000
    Date of Patent: October 28, 2003
    Assignee: Precision Metalsmiths, Inc.
    Inventor: Robert J. Dempsey
  • Publication number: 20030155095
    Abstract: A casting device for metallic product includes a main unit 1 having a pressurizing chamber 14 and casting cavities 16 for accommodating a metallic material M, a pressurizing unit 3 for pressurizing the metallic material M contained in the pressurizing chamber 14 to cause the metallic material to flow into the casting cavities 16 and a blade unit 4 provided between the pressurizing chamber 14 and the casting cavities 16. The blade unit 4 includes a scraper edge 41 for scraping the outer layer of the metallic material M pressurized by the pressurizing unit 3. After the end of the scraping operation for the outer layer M2 of the metallic material M, the blade unit 4 is moved by the first driving unit 51 from the scraping position A1 to a disengaging position. Thereby, the metallic material can be readily separated from the blade unit.
    Type: Application
    Filed: February 11, 2003
    Publication date: August 21, 2003
    Inventors: Tomiyuki Murayama, Ken Torii, Yukinao Demachi
  • Publication number: 20020117287
    Abstract: A hand-held casting device for molding a hollow pointed, grooved, and twice throughbored bullet including a pair of handles, a pair of jaws, a mold, a pin, and a bracket. The mold includes first and second halves and two rods passing at different elevations and orthagonally into the mold for providing the two throughbores in the bullet The length of the bracket is such that upon opening the mold, the pin moves in contact with the mold first half until such time as the bracket contacts the mold second half forcing the pin to leave the mold first half and move towards the mold second half until such time as the bracket contacts the mold first half causing the mold to no longer be able to separate and positioning the pin equidistantly between the mold first and second halves.
    Type: Application
    Filed: February 23, 2001
    Publication date: August 29, 2002
    Inventor: Johnie R. Pullum
  • Patent number: 6382064
    Abstract: A formed element trimming apparatus includes a base member, a nesting member connected to a ram cylinder mounted on one end of the base member, a clamping member connected to a clamping cylinder mounted to a second end of the base member, and a cutting plate attached to the base member between the nesting member and the clamping member. The cutting plate has a cutting aperture to engage any undesired attachments on the periphery of the formed element. The formed element is securely placed in the nesting member, which is designed to integrally receive the formed element. The clamping member, propelled by the clamping cylinder, traverses the cutting aperture to engage the nesting member and secure the position of the formed element between the nesting member and the clamping member.
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: May 7, 2002
    Assignee: Modern Technologies & Machinery, Inc.
    Inventor: Ben A. Dugger
  • Patent number: 6189600
    Abstract: An apparatus for producing a formed article of amorphous alloy by a simple process are disclosed. A molding apparatus comprises a forced cooling casting mold which is provided with a sprue and at least one molding cavity communicating with the sprue and further with a cutting member disposed in the casting mold movably in the direction of the sprue, a melting vessel movable in the direction of the sprue, and a molten metal transferring member disposed slidably in the melting vessel or the molding cavity of the casting mold.
    Type: Grant
    Filed: October 6, 1999
    Date of Patent: February 20, 2001
    Assignee: YKK Corporation
    Inventors: Takeshi Taniguchi, Junichi Nagahora
  • Patent number: 5725041
    Abstract: A static pour, gravity feed permanent mold machine for molding a casting from molten metal heated in a furnace, consisting of a chassis, a die holder adapted to receive a reusable die, a reusable open-face die for insertion in the die holder, a vertically-oriented die ejection system for ejecting the casting from the die, an ejector pin lubrication system, horizontal mobile gating blocks which together form a gating system when brought together over the die opening, a horizontally-mounted degater for severing the gating system from the casting while the gating system and casting are still hot, a mobile casting receiver for removing the casting from machine, and a mobile robot arm for dipping molten metal from the furnace and for returning the gating system to the furnace for remelting.
    Type: Grant
    Filed: June 14, 1996
    Date of Patent: March 10, 1998
    Inventor: Eugene F. Schultz
  • Patent number: 5630538
    Abstract: The machine consists of a bearing box which is secured onto the trunk of the machine and is equipped with a pair of axes at both sides and suspends the center of gravity of the machine to rotate same freely, and a U-type supporting device is installed at the axes respectively, and a revolving or swivel joint is installed at the upper end of the above supporting device so as to enable the machine to rotate freely.
    Type: Grant
    Filed: January 3, 1995
    Date of Patent: May 20, 1997
    Assignees: Nippon Koshuha Steel Co., Ltd., Koshuha Foundry Co. Ltd
    Inventors: Akiyoshi Hatakeyama, Isamu Takemoto
  • Patent number: 5597521
    Abstract: An unloader-separator attached to a die casting machine which includes a swing arm having grippers to hold the gate having components thereon. The swing arm holding the gate is rotated to a second position. A punch platen pushes the components through openings in the window platen which corresponds with the components on the gate. The swing arm releases the gate remnants for recycling, rotates to the first position and the cycle repeats. A link arm connects the swing arm to a cam unit which controls the rotation of the swing arm to a cam unit which controls the rotation of the swing arm. The cam unit also provides overload protection.
    Type: Grant
    Filed: June 9, 1995
    Date of Patent: January 28, 1997
    Inventor: John L. Wickham
  • Patent number: 5477908
    Abstract: An apparatus for removing burrs in confined spaces of molds or cores is disclosed. The apparatus includes a retaining body; and at least one deburring element resiliently mounted in an unloaded state on an outer circumference of the retaining body. The at least one deburring element has a ring containing a separating point. The separating point is inclined to a longitudinal axis of the retaining body at an angle of 45.degree.. Alternatively, in accordance with the invention, at least one deburring element is resiliently mounted in an unloaded state on an outer circumference of the retaining body. Each deburring element has a deburring portion projecting radially outward from a remainder of the deburring element for removing the burrs and is retained in the outer circumference to be axially displaceable with the retaining body in a first axial direction and in a second axial direction opposite to the first axial direction.
    Type: Grant
    Filed: January 27, 1994
    Date of Patent: December 26, 1995
    Assignee: Adolf Hottinger Maschinenbau GmbH
    Inventor: Werner Landua
  • Patent number: 5343929
    Abstract: An apparatus for deburring foundry cores (3) and similar workpieces, comprising a vibration device, a stationary base (10) which carries the vibration device, and a deburring template (4), is designed and constructed for an effective deburring with a reduced risk of damage to the workpiece, and with less wear on tools such that the vibrating movement of the vibration device occurs exclusively in vertical direction, and that a clearance is absent between the contours of the cores (3) to be deburred and the contours of the deburring template (4), so that the burr is cut off as the core (3) passes through the deburring template (4).
    Type: Grant
    Filed: July 30, 1992
    Date of Patent: September 6, 1994
    Assignee: Adolf Hottinger Maschinenbau GmbH
    Inventors: Werner Landua, Werner Pichler
  • Patent number: 4844141
    Abstract: A core machine is arranged to automatically refine the shape of a sand core upon removal of the core from the machine. The core machine uses a core box to form a core. After formation of the core and separation of the core box halves a shaping member is moved into a space between the core box halves. As the core is ejected from the core box and removed from the machine it passes through the shaping member which refines the shape of the core. The machine may also be used for dimensional tolerancing about the parting line of the core box.
    Type: Grant
    Filed: February 9, 1987
    Date of Patent: July 4, 1989
    Assignee: Deere & Company
    Inventors: David V. Trumbauer, Alan E. Seeley
  • Patent number: 4687045
    Abstract: High casting rates and consistently precise dimensions of lead and lead alloy projectiles are obtained with an ingot mold comprising two like ingot mold halves having abutting sides and upper and lower sides extending outwardly therefrom, the abutting mold half sides defining like cavity halves open towards the upper sides of the mold halves and forming a mold cavity for casting the projectile. Each mold half consists essentially of a first part of a metal having a high wettability for the lead or lead alloy being cast, the first metal parts of the mold halves defining the mold cavity, and a second part of a metal having a higher thermal conductivity than the first metal part, the second metal part being in heat conducting contact with the first part.
    Type: Grant
    Filed: March 31, 1986
    Date of Patent: August 18, 1987
    Inventor: Johannes Roller
  • Patent number: 4665785
    Abstract: A multiple station sequentially operating trim press is arranged to receive workpieces for subsequent transfer from a loading station to a treatment station by means of a pivotally mounted workpiece support. After trimming and deburring, the workpiece is transferred to a collection station and the workpiece support is moved to a cleaning station where its surface is washed free of residual trimmings. The workpiece support is then returned to its loading station and the sequence repeated.
    Type: Grant
    Filed: October 18, 1985
    Date of Patent: May 19, 1987
    Assignee: Bayrisches Druckgusswerk Thurner GmbH & Co.
    Inventor: Helmut Thurner
  • Patent number: 4624297
    Abstract: A manually operated bullet casting machine comprising a mold assembly that is raised to a pouring position by means of a crank and filled from an overhead melting pot through the activation of a lever. The bullets are trimmed and ejected from the mold assembly as the crank is returned to its lowered position.
    Type: Grant
    Filed: September 25, 1985
    Date of Patent: November 25, 1986
    Inventor: Robert L. Clausen
  • Patent number: 4494297
    Abstract: A method is described for producing castings and removing burrs produced during the casting at the parting line of the casting mold and in regions where cores are supported in core-supporting holes formed in the mold. The casting mold is so shaped that a well-defined burr, which includes a substantially uninterrupted flange projecting from the casting, is formed in the region of the casting which solidifies opposite the mold parting line. The mold may also be so shaped that a further well-defined burr, which includes a further substantially uninterrupted flange projecting from the casting, is formed in the region of the casting which solidifies where a core of the casting mold enters a core-supporting hole. After removal of the casting from the mold, the or each flange is removed by a mechanical cutting tool or by gas cutting, preferably by employing an industrial robot to effect relative movement between the flange and the flange-removing means.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: January 22, 1985
    Assignee: ASEA Aktiebolag
    Inventor: Sten Larsson
  • Patent number: 4287936
    Abstract: An ingot casting apparatus having an open top ingot moulds hinged to an endless hauling chain of a conveyer. The conveyer is inclined so that the upper descending branch of the endless chain with the ingot moulds placed thereon is inclined to the horizontal at an angle of 30.degree.-60.degree. . Each ingot mould is formed by a bottom, two longitudinal walls and a single transverse wall. The transverse wall of each ingot mould is provided with an opening for passage of the molten metal. With such an arrangement the cavities of the ingot moulds communicate with one another by means of openings provided in the transverse wall of each ingot mould. Mounted above the ingot moulds arranged on the upper descending branch of the endless chain of the conveyer, below the zone where the molten metal is poured into the ingot moulds, is a water-cooled plate adjoining tightly to the top ribs of the walls of the ingot moulds passing under the plate after the molten metal has been poured into them.
    Type: Grant
    Filed: November 16, 1978
    Date of Patent: September 8, 1981
    Inventors: Efim Y. Ljublinsky, Viktor A. Smirnov, Anatoly A. Kostylev
  • Patent number: 4248289
    Abstract: A die casting system comprises a machine of the balanced, dual movement type wherein the part is cast and trimmed without any lateral movement. Both halves of the molds or dies are moved equal distances to and from the part plane. The machine incorporates a system of metal injection on the mold parting line with a runner-drain provision; provision for supporting the part at a plurality of points after the die opening; hydraulic fluid volumetric flow reduction; various nozzle configuration options and a heat transfer system for the dies. In addition, a part trimming machine is disclosed together with a cable transfer for moving the part from the casting machine to the trimming machine.
    Type: Grant
    Filed: July 31, 1978
    Date of Patent: February 3, 1981
    Assignee: DBM Industries Limited
    Inventors: Guido Perrella, William E. Thompson
  • Patent number: 4170815
    Abstract: A method of operating a reheating furnace in a hot rolling line and a heating furnace therefor in which the reheating furnace is positioned between a continuous casting apparatus and a rolling apparatus rolling workpieces at a higher speed than they are cast by the casting process, the furnace serving as a heating and buffer zone. The heating furnace is longitudinally divided into two heating sections which are changed over so as to receive workpieces for heating and the workpieces are charged into one of the two sections after the other of the two sections has been filled up. The furnace is operated to collectively forward the workpieces heated up to predetermined rolling temperatures to the rolling apparatus for efficient rolling.
    Type: Grant
    Filed: May 23, 1977
    Date of Patent: October 16, 1979
    Assignee: Chugairo Kogyo Kaisha Ltd.
    Inventor: Tetsuya Tokitsu
  • Patent number: 4089501
    Abstract: A mold for casting bullets comprising a plurality of adjacent mold blocks having paired opposing cavity portions within opposing lateral surfaces of adjacent blocks for forming casting cavities when the mold is closed and the opposing lateral surfaces are in contact has interlocking means at least partially integral of the adjacent blocks for providing a sliding surface contact for the block during pivotal movement thereof and for limiting relative movement between the blocks to arcuate separation and closure of the adjacent blocks in a plane which is perpendicular to the opposing lateral surfaces of the blocks. Means integral of the opposing lateral surfaces of adjacent blocks provide at least one pivot center of arcuate separation and closure between the adjacent blocks and means are provided for retaining at least a portion of the opposing lateral surfaces of adjacent blocks in contact during the arcuate separation and closure of the blocks.
    Type: Grant
    Filed: January 31, 1977
    Date of Patent: May 16, 1978
    Inventor: George Zahoran
  • Patent number: 4060121
    Abstract: In a die casting apparatus having a first die and a second die movable into closed engagement with the first die to define a mold cavity therebetween, a sprue removal mechanism includes a degater knife, a rocker arm mounted to pivot about a fixed axis and connected to the degater knife, a cam fixed to the second die, and a cam follower carried by the rocker arm. As the second die moves away from the first die, the cam follower travels along the cam to wing the rocker arm and drive the degater knife to an extended position between the open dies, thereby severing the sprue from a completed casting while the casting is supported by the first die.
    Type: Grant
    Filed: July 6, 1976
    Date of Patent: November 29, 1977
    Assignee: Bada Company, Inc.
    Inventors: Robert E. Gwaltney, John L. Mikovits
  • Patent number: 4055214
    Abstract: A flash control molding is provided for use in association with a pattern for forming a casting cavity in a metal casting mold. The flash control molding includes an elongated strip of pliable material having a predetermined cross sectional configuration to define a thick portion for forming a flash control chamber in the mold, and a thin edge along one side of the thick portion to form a restricted opening between the flash control chamber and the casting cavity so that a casting subsequently produced in the mold is formed with controlled shaped flash which has a built-in fracture line immediately adjacent the casting proper, thereby making the flash easily and cleanly removable from the casting.
    Type: Grant
    Filed: May 5, 1976
    Date of Patent: October 25, 1977
    Assignee: Caterpillar Tractor Co.
    Inventor: John R. Nieman
  • Patent number: 4013116
    Abstract: A die casting machine is described and includes a frame supporting two pairs of spaced, parallel cylinder assemblies with each pair of assemblies carrying a mold half and being opposed to the other pair of assemblies which carry the other mold half. Each cylinder assembly of each pair comprises a stationary piston secured to the frame; a piston shaft secured to and co-axial with the piston, the shaft extending across to a connection with an opposed piston of the other pair; and a cylinder is mounted on the piston and shaft for reciprocal movement thereon in response to fluid injected therein on either side of the piston. Means connect the cylinder to their respective mold halves whereby injection of fluid into the cylinders at the crown ends of the pistons forces the two pairs of cylinders and two mold halves together and fluid injection at the skirt ends of the pistons forces the cylinders and mold halves apart.
    Type: Grant
    Filed: November 10, 1975
    Date of Patent: March 22, 1977
    Inventor: Guido Perrella
  • Patent number: 3983924
    Abstract: This device consist primarily of a main body with an extending handle, the top portion being pivotable upon a bolt and includes a second handle which is used to rotate the top member, the body including a sleeve and rod, the rod being adjustable within a bottom plate secured adjustablely to the main body by a threaded bolt.
    Type: Grant
    Filed: September 26, 1973
    Date of Patent: October 5, 1976
    Inventor: I. Reed Thacker
  • Patent number: 3951202
    Abstract: An automatic casting machine for automatically die casting and die trimming of zinc, aluminum, magnesium, lead or injection molding of parts and delivering the finished parts die trimmed free of flash and separated from the runners, gates and overflows into a finished parts receiver. The machine can be fabricated as a modification of a conventional die casting or injection molding machine, primarily by the addition of a centrally located indexing finger which becomes fastened to the sprew or bung upon casting or molding of the parts.
    Type: Grant
    Filed: April 18, 1973
    Date of Patent: April 20, 1976
    Inventor: Victor O. Anderson