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| Number | Title | Issue Date |
| 8075302 | Apparatus for optimally mixing and injecting a two part urethane foam An apparatus and method for optimally mixing and injecting a two part urethane foam which utilizes a unique mixing head having needle type valves which are specially sealed and positioned, able to provide precisely controlled amounts of constituent mixing compounds,... | 12/13/2011 |
| 7708550 | Cold runner injection mold having an insulated gate An injection mold and an injection molding apparatus having a movable mold and a fixed mold. Each of the movable/fixed molds has bases, and a runner, a gate and a cavity are formed. The gate is composed of recesses made in mutually opposite end surfaces of sleeve-li... | 05/04/2010 |
| 7686608 | Apparatus and methods for distributing a substance A system for distributing a substance includes a chamber configured to accommodate a mold surface and an inlet port in the chamber. The substance is introduced into the chamber through the inlet port. Flexible tubing is coupled between the inlet port and a reservoir... | 03/30/2010 |
| 7534103 | Injection molding machine Embodiments of the present invention relates to an injection moulding machine or injection unit and to an injection moulding method for injection moulding plastic materials (e.g., elastomeric materials), particularly according, to cold channel and hot channel techni... | 05/19/2009 |
| 7413696 | Method and injection molding machine for the production of elastomer and duromer molded items A method for the production of elastomer and duromer molded items in an injection molding process using an injection molding machine with a respectively separately heatable filling unit, injection unit and cross-linking tool. The filling unit is heated to a temperat... | 08/19/2008 |
| 7335006 | In-mould labelling An In-Mould Labelling process comprising: clamping a label within a mould void of an injection moulding tool; and injecting material into the mould void while the label is clamped. An In-Mould Labelling process comprising: placing a label between a first mould void ... | 02/26/2008 |
| 7261553 | Crossover nozzle system for stack molds A crossover nozzle system for transferring molten plastic from an inlet at the center of the stationary platen of an injection machine to the main manifold of the molding chambers of the stack molds of the injection molding machine. The nozzle system has a sprue bar... | 08/28/2007 |
| 7261545 | Powder preheating Powdered starting material utilized for molding (e.g., rotational molding, injection molding, blow molding), extrusion, and the like can be preheated to reduce the time required to complete the processing of the material. After being preheated to a temperature below... | 08/28/2007 |
| 7246937 | Golf ball mixing and dispensing apparatus The present invention provides an apparatus and system for mixing castable polyurethanes for dispensing into a golf ball mold for application to a golf ball sub-assembly. The apparatus comprises a mixing block for merging together at least two polyurethane component... | 07/24/2007 |
| 7217384 | Device and method for runner-less molding of thermosetting resin and rubber A runner-less molding device for thermosetting resins and rubbers, characterized by a movable runner bush (15), through which an uncured or unvulcanized fluid material kept at a low temperature supplied from a pouring nozzle (31) can flow, is slidably ... | 05/15/2007 |
| 7182591 | Injection nozzle system and injection molding machine incorporating same A nozzle system is provided for an injection molding machine. The nozzle system includes a nozzle tip that is removably connected to a nozzle body with a sealing and mounting sleeve element. The nozzle body includes a first connector for releasably connecting with a... | 02/27/2007 |
| 7131835 | Injection molding machine An injection molding machine having two injection units retained in parallel on one heating cylinder retention member, so that nozzles of the two injection units can touch fixed-side molds by advance of the heating cylinder retention member toward the molds. Two noz... | 11/07/2006 |
| 7080684 | Mold temperature control unit A mold temperature control unit with which piping connection for supply and drain of cooling water in unit setup can be extremely simply made. In a mold temperature control unit 1 which unit body 2 comprises a plurality of cooling water systems perform... | 07/25/2006 |
| 7070729 | Pressware die set with product ejectors at outer forming surfaces An improved pressware die set includes mechanical ejectors for removing formed product from the punch. A preferred embodiment includes rocker-style ejectors free from edges or other asperities which may tend to snag and mar the product during the production process.... | 07/04/2006 |
| 7044191 | Mold material processing device, method and apparatus for producing same The invention relates to a molten material processing device having an elongated thermal element like a heating element, a thermocouple, a sensor, a heatpipe and a cooling pipe which is characterised in that said elongated thermal element (2) is located in a ... | 05/16/2006 |
| 6998085 | Process for the production of a layer part, in particular a reaction injection moulding process for the production of a polyurethane skin layer A process for the production by a moulding process of a micro-cellular or non-cellular elastomeric polyurethane skin layer or, more generally, to a process for the production of a composite comprising a first layer shaped part, which is made by a moulding process fr... | 02/14/2006 |
| 6893599 | Method for making a reinforced, polymeric article in a reaction injection molding system and mold for use therein A mold for use in a reaction injection molding method and system to make a reinforced polymeric article having reduced surface defects includes a novel gating system. The mold includes a pair of mold sections which define a closed, article-forming cavity, an injecti... | 05/17/2005 |
| 6821111 | Lattice gate for drop gate injection molding The present invention is directed towards the hybrid combination of a drop gate injection molding system and a lattice gate. The lattice gate is located prior to the orifice of the drop gate. The lattice gate is comprised of a series of cross-direction flow channels... | 11/23/2004 |
| 6796786 | Runner for injection molding The present invention is directed to the structure of an inline runner for injection molding which uniformly increases the temperature of the injected compound as the compound flows from the injection port to single or multiple drop gates at the entrance to single o... | 09/28/2004 |
| 6767489 | Method to mold round polyurethane rollers free of injection gates, parting lines and bubbles Solid rollers of a urethane material are formed in closed mold formed by a tube and two end plugs spaced by a shaft, the latter becoming the shaft for the roller. The closed mold avoids rough grinding to a cylindrical shape, as well as avoiding the resulting waste o... | 07/27/2004 |
| 6692677 | Method for molding and curing silicone An apparatus and method for molding and curing silicone includes a press, one nozzles operatively engaged to the press, a liquid cooled manifold plate disposed to cool the nozzles, a heatable top platen having nozzle receptacles therein to receive the noz... | 02/17/2004 |
| 6682641 | Electrophoresis assembly and method of casting electrophoresis gels The invention provides an electrophoresis cassette to cast electrophoresis gels and to separate and analyze molecular components by electrophoresis. The electrophoresis cassette comprises a top plate assembly, a spacer and a bottom plate. The top plate as... | 01/27/2004 |
| 6659754 | Injection molding device In an injection molding device used to inject a thermoset casting resin into a mold wherein the device includes a source of resin, a mold for receiving and curing the resin, a delivery vessel for injecting the resin into the mold, and a conduit in fluid c... | 12/09/2003 |
| 6635200 | Process and device for producing plastic moldings from a flowable reaction mixture Polyurethane molded articles are produced from a flowable polyol-polyisocyanate reaction mixture on a shot-wise basis. The flowable reaction mixture is formed by combining the components of that mixture in the mixing chamber of a mixhead. The contents of ... | 10/21/2003 |
| 6607688 | Lattice gate for drop gate injection molding The present invention is directed towards the hybrid combination of a drop gate injection molding system and a lattice gate. The lattice gate is located prior to the orifice of the drop gate. The lattice gate is comprised of a series of cross-direction fl... | 08/19/2003 |
| 6533566 | Apparatus for making a golf ball An apparatus for making a golf ball is disclosed. The apparatus is a molding assembly for making a golf ball which includes a mold body that defines a molding cavity. The molding cavity is adapted to accommodate and preferably retain a golf ball core duri... | 03/18/2003 |
| 6528000 | Molding apparatus for use in manufacture of resin shielding semiconductor device A molding equipment for a resin shielding semiconductor device includes a lower platen having a lower cavity, and an upper platen having an upper cavity, and a recess which is adjacent to the upper cavity. A lead frame has an opening serving as a passage ... | 03/04/2003 |
| 6508970 | Liquid transfer molding system for encapsulating semiconductor integrated circuits An encapsulation system is used to encapsulate semiconductor products. A bottom mold unit includes a mold pot and a mold piston. A substrate loader loads a substrate into a cavity in the bottom mold unit. A liquid dispenser dispenses encapsulation materia... | 01/21/2003 |
| 6503433 | Liquid transfer molding system for encapsulating semiconductor integrated circuits An encapsulation system is used to encapsulate semiconductor products. A bottom mold unit includes a mold pot and a mold piston. A substrate loader loads a substrate into a cavity in the bottom mold unit. A liquid dispenser dispenses encapsulation materia... | 01/07/2003 |
| 6387313 | Gate for injection molding rubber compounds A combination rubber injection gate system (24) and method of injection molding rubber to produce desired flow patterns in the rubber is disclosed. The combination gate (24) directs rubber through a first region (26) to flow at cross angles (38, 40) throu... | 05/14/2002 |
| 6387311 | Manufacture of a support A mold and a method for manufacturing a support to be mounted on a rim of a vehicle by injection or transfer molding in which the molding material is force fed into a closed molding cavity. The mold includes an internal core for molding the inner surface ... | 05/14/2002 |
| 6379603 | Lattice gate for injection molding of rubber compounds The present invention relates to a lattice gate for directing streams of rubber into an injection molding device through a plurality of intersecting channels (78, 80) which thermally mix the streams of rubber within the gate (76) as they pass through the ... | 04/30/2002 |
| 6315936 | Encapsulation method using non-homogeneous molding compound pellets Method for implementing a multi-phase plastic package for electronic components, and packaged electronic components produced according to the method. The present invention contemplates the use of molding compounds having two or more discrete phases in a t... | 11/13/2001 |
| 6280175 | Nozzle for injection molding rubber products The present invention relates to a rubber injection molding nozzle, and an injection molding machine and method using the nozzle, used mainly for the injection molding of rubber articles such as rubber vibration insulators for automobiles. It is aimed to ... | 08/28/2001 |
| 6265081 | Integrally molded articles of polyamide resins The present invention relates to an integrally molded article of polyamide resin comprising at least one primary molded pieces made of a primary molding material and at least one secondary molded pieces made of a secondary molding material, and having a w... | 07/24/2001 |
| 6261486 | Process and device for the production of polyurethane moldings by the shot process For the production of polyurethane moldings by the shot process from isocyanate and polyol components, the production is improved in that, in addition to the conditioning already known for the line system, at least one of the commercially available but mo... | 07/17/2001 |
| 6184295 | Rubber composition and method of manufacturing rubber composition A rubber composition containing 20 parts by weight-200 parts by weight of hydrogenated styrene thermoplastic elastomer and poly-olefin for 100 parts by weight of rubber which is dynamically vulcanized with a resin vulcanizing agent to disperse the rubber ... | 02/06/2001 |
| 6179603 | Rubber mold cold runner system An injection block for the injection molding of thermoset polymers, such as rubber, formed from at least a pair of plates bolted or otherwise releasably held together and defining an improved runner system between the plates. Complimentary grooves formed ... | 01/30/2001 |
| 6113827 | Method for molding and curing silicone An apparatus and method for molding and curing silicone includes a press, one nozzles operatively engaged to the press, a liquid cooled manifold plate disposed to cool the nozzles, a heatable top platen having nozzle receptacles therein to receive the noz... | 09/05/2000 |
| 6033614 | Manual pellet loader for Boschman automolds A manual loader for use in bypassing an automatic pellet feeder for an automold machine used to encapsulate integrated circuit assemblies in plastic. The loader has a support mounted adjacent the mold section of the machine. The loader also has at least o... | 03/07/2000 |
