1
Robert D Schad: Method of operating a two-shot injection-molding machine. Husky Injection Molding Systems, Karl F Ross, April 24, 1984: US04444711 (135 worldwide citation)

There is disclosed a method of operating an injection-molding machine to produce a composite item that includes a portion of soft material such as a set of bristles tending to cling to a mold cavity in which it is formed. At a first station, a relatively flexible plastic material is injected into a ...


2
Robert D Schad, Paul P Brown: Coinjection of hollow articles and preforms. Husky Injection Molding Systems, Bachman & LaPointe, January 5, 1988: US04717324 (89 worldwide citation)

Apparatus for coinjecting a plurality of thermoplastic materials to mold an article having a layered wall structure using thermoplastic material having different optimum processing temperatures including the maintenance of the optimum temperatures in flow paths individual to each material from its s ...


3
Herbert Rees, Robert D Schad: Actuating mechanism for gate valve of injection nozzle. Husky Injection Molding Systems, Karl F Ross, November 6, 1979: US04173448 (78 worldwide citation)

An injection gate of a mold cavity comprises an elongate valve rod which passes axially through a flow channel for molten plastic material and is guided in an extension of a thin-walled steel cylinder open at its opposite end toward an adjoining manifold plate. The rod extremity remote from the gate ...


4
Rajan Puri: Insulated modular injection nozzle system. Husky Injection Molding Systems, Fitzpatrick Cella Harper & Scinto, March 9, 1999: US05879727 (65 worldwide citation)

A modular injection nozzle system for use with hot runner injection machines employs a thermal insulating element between the tip of the injection nozzle and a removable mold gate insert. This thermal insulating element limits the heat loss from the tip to the gate insert, assists in sealing the gat ...


5
Robert D Schad: Hot runner manifold for injection molding machine. Husky Injection Molding Systems, Bachman & LaPointe, May 13, 1986: US04588367 (65 worldwide citation)

A pressure molding machine of the type having a floating manifold including thermal expansion support elements for sealing and centering the nozzles relative to the floating manifold.


6
Harald Schmidt, Fong F Sit: Hot runner nozzle assembly. Husky Injection Molding Systems, Bachman & LaPointe, May 4, 1993: US05208052 (63 worldwide citation)

Hot runner nozzle assembly including a mold assembly with a mold cavity therein, an inlet port in the mold assembly communicating with the mold cavity, an injection nozzle for delivering molten resin to the inlet port and an insulating sleeve positioned around the nozzle between the mold assembly an ...


7
Thomas M McGinley, Gordon T Mackay: Unloading and assembly system and process for injection molding apparatus. Husky Injection Molding Systems, Bachman & La Pointe, August 6, 1991: US05037597 (58 worldwide citation)

An injection molding apparatus and process for forming a plurality of first parts and a plurality of complementary second parts during a single molding cycle has a system for removing parts molded during each cycle and for assembling the parts into finished articles. The system includes a plurality ...


8
Herbert Rees, Robert D Schad: Actuating mechanism for gate valve of injection nozzle. Husky Injection Molding Systems, Karl F Ross, May 19, 1981: US04268240 (58 worldwide citation)

An injection gate of a mold cavity comprises an elongate valve rod which passes axially through a flow channel for molten plastic material and is guided in an extension of a thin-walled steel cylinder open at its opposite end toward an adjoining manifold plate. The rod extremity remote from the gate ...


9
Harald Schmidt: Sealed edge gate. Husky Injection Molding Systems, Bachman & Lapointe, June 28, 1994: US05324191 (54 worldwide citation)

The present invention relates to a hot runner sealed edge gated injection molding system. The system includes a mold cavity plate with at least one injection gate and a nozzle assembly having a tip end and at least one melt channel for transporting molten plastic material. The system further include ...


10
Robert D Schad, Herbert Rees, Gary Hughes, John R Murchie: Carrying means for holding and cooling a parison. Husky Injection Molding Systems, Bachman & LaPointe, March 8, 1988: US04729732 (54 worldwide citation)

The apparatus of the present invention involves transferring plastic parisons from a receiving station to a finishing station on a plurality of pallets in a single row for forming said parisons into hollow plastic articles. The pallets with parisons thereon are transported through a temperature cond ...



Click the thumbnails below to visualize the patent trend.