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| Number | Title | Issue Date |
| 7276199 | Molding methods including movable core pin support Apparatus and methods for molding a part with at least one passage at least partially therethrough. Generally, the method includes injecting a molding material into a mold cavity having at least one pin disposed therein to form the passage. In preferred implementati... | 10/02/2007 |
| 7267538 | Adjustable knockout This disclosure is directed to an adjustable knockout rod for use in conjunction with injection molding machines. The knock-out rod disclosed herein is preferably formed of a round bar having a plurality of annular notches or undercuts formed at uniform intervals al... | 09/11/2007 |
| 7261853 | Decelerated ejector pin system and method for operating the same A decelerated ejector pin system in an ejector half of an injection mold, that molds a molded part. The ejector half has at least one lifter, a core plate, a pin plate, an ejector bar, a base plate, and at least one ejector pin. The decelerated ejector pin system in... | 08/28/2007 |
| 7131625 | Ejector pin and method An insert for a mold comprising a plug, having an insert face, and a receiver defined by a sidewall with one of the plug and the receiver having a groove that receives a guide that extends from the other of the plug and the receiver so as to facilitate rotation of t... | 11/07/2006 |
| 7126216 | Two part mold for wafer scale caps The invention provides a two part mold for forming wafer scale caps. The mold has a first half and a second half. The first half and second half, when brought together defining mold cavities for wafer scale caps. The caps have central areas surrounded by sidewalls a... | 10/24/2006 |
| 7086683 | Sunvisor attachment for vehicles and method for making the same The present invention provides for an improved sunvisor attachment, and to a two shot molding method for making the same, having a reduced number of parts and that is adapted to be coupled to a sunvisor for use as a sunvisor assembly in a vehicle. To this end, the s... | 08/08/2006 |
| 7086167 | Overmolded vial for use with a level A vial for use in a level and a method of forming such a vial are disclosed. The vial includes a cylinder having an inner surface defining a cavity, and a material molded around the cylinder. The vial preferably includes at least one marker ring positioned between t... | 08/08/2006 |
| 7077456 | Automotive interior trim assembly and pad insertion A trim assembly comprises a substrate member including a moveable panel integrally formed in the substrate and moveable between an open and closed position. A flexible skin overlies at least a portion of the substrate member and is integrally coupled to the substrat... | 07/18/2006 |
| 7063868 | Method of removing molded natural resins from molds utilizing lifter bars A process of injection molding a natural resin into a mold cavity including lifter bars as part of the ejection system for extracting the molded animal chew of the mold cavity. The lifter bars are provided with a contacting area having a relatively high surface area... | 06/20/2006 |
| 7032954 | Automotive ashtray and method for making the same The present invention provides for an improved automotive ashtray, and to a two shot molding method for making the same, having a reduced number of parts and that is adapted to be coupled to a substrate of an interior trim assembly, e.g. a door panel, in a vehicle. ... | 04/25/2006 |
| 6843947 | Method for roughing surfaces of concrete casted blocks A method for roughing surfaces and edges of concrete casted blocks, comprising a block support surface having a plurality of surface sections. A first of the surface sections has a rear end thereof above an adjacent front end of a second of the surface sections to c... | 01/18/2005 |
| 6761921 | Sushi mold apparatus and method of making same The present invention provides a kit (200) for producing a high quality sushi product with uniformity and at a high rate of production. The kit (200) includes a Nigiri Sushi mold (10, 110) and a California Sushi Roll apparatus (54, 154.) ... | 07/13/2004 |
| 6572073 | Vial and method of making same A vial having an outer wall which is straight and cylindrical and a curved inner cavity. The inner cavity is curved in a substantially uniform arc. The apex of the curved cavity is closer to the cylindrical outer wall of the vial than the ends of the inne... | 06/03/2003 |
| 6540200 | Freezer tray unit A freezer tray unit that houses removable inserts with various cavity shapes. This unit can be used to make ice in an unlimited number of shapes, by simply changing the inserts. This unit is made up of several kit contents. The quantities required for one... | 04/01/2003 |
| 6345974 | Ejector pin with pressure sensor An ejector pin with a pressure sensor is provided, of which the sensor output can be utilized without any correction even in different diameter thereof, so that no design changes are required according to loads to the ejector pin. The ejector pin has a ba... | 02/12/2002 |
| 6042361 | Mold for use in plastic injection molding system and venting pin assembly for use therein A mold for use in a plastic injection molding system includes a venting pin assembly which can not only vent an article-defining cavity in the mold but can also eject a formed plastic article in an open position of the mold. A porous insert of the assembl... | 03/28/2000 |
| 5871782 | Transfer molding apparatus having laminated chase block An improved transfer molding apparatus has a laminated chase block with many sets, which is capable of fabricating a plurality of semiconductor packages. The apparatus includes an upper plate and a movable lower plate and a plurality of posts disposed bet... | 02/16/1999 |
| 5804226 | Bushing for knock out pin and removable knock out pin assembly A bushing for retaining a knock out pin and a removable knock out pin assembly utilizing that bushing. The bushing has a pin holding portion composed of upstanding flexible arms engagable with a knock out pin, each of the arms having a lug for engaging th... | 09/08/1998 |
| 5702736 | Assembly for manufacturing a piston from plastic material An assembly for manufacturing a plastic piston using a first mold and a second mold, each mold having an axial recess, centering element, core element and contact face. The second mold is movable toward and away from the first mold and can be connected to... | 12/30/1997 |
| 5644833 | Method of making dry, lubricated ejector pins An ejector is coated with a thin, hard, low friction, lubricous coating for use in a mold to eject molded articles from the mold without the use of liquid lubricants. The preferred ejector has a thin, low friction, coefficient coating with a thickness on ... | 07/08/1997 |
| 5580416 | Mandrel assembly A mandrel assembly has a hollow main tube and two annular sleeves, wherein an inner diameter of the two annular sleeves is larger than an outer diameter of the two main tube ends. The two annular sleeves are sleeved respectively on the two main tube ends,... | 12/03/1996 |
| 5547365 | Fan blade mold A fan blade mold is disclosed having a center shaft molding unit and a blade molding unit disposed around the center shaft molding unit and defining with the fan blade mold a plurality of blade molding cavities around the center shaft molding unit for mol... | 08/20/1996 |
| 5501588 | Mold for a semiconductor package A mold for a semiconductor package having a port for feeding resin which can be fixed either in an upper mold (1) or a bottom mold (2) corresponding to the location of the flange tip so that the operating rate of the equipment is increased to achieve high... | 03/26/1996 |
| 5480296 | Transfer molding apparatus for encapsulating an electrical element in resin An improved transfer molding apparatus is provided for molding a preheated resin under pressure to thereby encapsulate a small element, such as a semiconductor device or package. In one aspect of the invention, the improvement consists of providing a shor... | 01/02/1996 |
| 5451156 | Molding ejector device for interchangeable molds A mold assembly has an ejector assembly which includes a rotating camming device and a longitudinally sliding locking device. The ejector pins of the ejector assembly are replaced by rotating the camming device to slide the locking device into a disengage... | 09/19/1995 |
| 5433263 | Casting ejector The casting ejector includes a forcibly cooled ejector plate and a plurality of depending, solid ejector pins of high thermal conductivity cooperate with a casting mold to increase the strength of specifying portions of the casting. Copper, nickel, and al... | 07/18/1995 |
| 5372496 | Ejector valve plastic molding apparatus A molding apparatus for plastic objects which includes a valve which allows ejector pins to be positioned in close proximity to the valve needle. The valve includes a valve body and a flange surrounding at least a portion of the valve body such that the o... | 12/13/1994 |
| 5356284 | Stack mold with spring loaded blow off pin The present invention provides a mold with gas ejection of pieces formed in the mold. The mold includes a female body part and a male body part. The male body part includes a male molding surface with a surrounding plastic injection shut off face and a re... | 10/18/1994 |
| 5338176 | Pie crust lifter The invention is a pie crust lifting tool and corresponding rolling board for lifting pie crusts from a rolling board and placing them in a pie plate in anticipation of baking. The lifting tool has a handle at one end and a circular shaped portion known a... | 08/16/1994 |
| 5295802 | Demolding apparatus A gripper (2) for removing a molded workpiece (9) from the opened mold (1, 3) of a molding machine is coupled through a step-up drive transmission with the ejector (13, 15, 17) associated with the mold in such a manner that the ejector causes it to execut... | 03/22/1994 |
| 5219594 | Apparatus for molding undercut parts Disclosed is a molding apparatus which includes (A) a mold for making an undercut part which includes coring sandwiched between top and bottom cavity halves, where the coring is divided into three or four sections; and (B) a press for (1) separating the coring... | 06/15/1993 |
| 5074779 | Mold for resin-sealing a semiconductor device A mold for resin-sealing of a semiconductor device includes a molding board, a cavity retainer which is secured to the molding board forming a void facing the molding board, a plurality of cavity inserts, each of which is embedded in the cavity retainer s... | 12/24/1991 |
| 5017123 | Knockout bar mounting for injection molding machines The invention provides means for removably attaching ejector pins for an injection molding machine to a movable knock-out plate. The knock-out plate has slidably attached thereto a latch plate to engage ejector pin heads and thereby secure them to the kno... | 05/21/1991 |
| 5015280 | Mold for molding optical elements A mold arranged between a pair of heater blocks for molding an optical element comprises a pair of first and second elements each having a molding surface for defining a cavity and an outer surface opposite to the molding surface and in contact with a cor... | 05/14/1991 |
| 5011398 | Apparatus for lost foam molding and method of assembling same A device for aiding in the assembly of a mold apparatus of the type including a mold cavity having a first side which is contoured to impart a shape to a component, a second side, and an aperture extending between the first and second sides, and of the ty... | 04/30/1991 |
| 4981430 | Pneumatically operated mold ejection apparatus A pneumatically operated mold ejection apparatus using a pneumatic pressure source exterior to a multiplate injection molding tool. The pressure source operates at least one knock-out pin disposed within a molding plate. Said pin is connected to a pneumat... | 01/01/1991 |
| 4979891 | Mold for molding optical disk base A mold for forming an optical disk base provided with a movable specular plate, a stationary specular plate, and an annular stamper having inner and outer peripheral edges. The reverse surface of the stamper is in contact with one of the specular plates, ... | 12/25/1990 |
| 4929170 | Ejector blade An ejector blade for ejecting parts from injection molds. The ejector blade has an elongate shank portion with a slotted end therein, a flat blade portion having an end shaped to be engaged within the slot, and apertures through the engaged ends in regist... | 05/29/1990 |
| 4891002 | Product ejector for injection molding machine A product ejector in a motor-driven, direct-acting type hydraulic mold clamping system, which includes a rod mounted on a ball screw for driving a moving platen at a forward end of the screw on the side of the platen, so that the rod is immovable axially ... | 01/02/1990 |
| 4824358 | Resin molding die A rotary block having a gate is rotatably mounted within either one of stationary or movable die plates so that the gate forms a resin passage interconnected to a molding cavity in the stationary die plate in the mold closing state. A gate slug which is i... | 04/25/1989 |
