A method is provided for manufacturing a multi-component plastic molded part and a tool system. The method comprises a first injection molding step for molding at least one preform, and a second injection molding step for molding at least one second component onto the preform. The first and second injection molding steps are performed with an injection molding machine comprising a first outer half-mold and at least one second outer half-mold positioned on opposite sides of a rotatable carrier-block. The carrier-block has at least four side faces each comprising an inner half-mold. The preform in the first injection molding step the second component in the second injection molding step are simultaneously injection molded. The injection molding machine is opened by moving the first and second outer half-mold spaced apart from the rotatable carrier-block. The preform is carried out of the first injection molding step, the plastic molded part is carried out of the second injection molding step by rotating the carrier-block. The preform is cooled while carried by the inner-half mold on the carrier-block by means of a cooling medium. The plastic molded part is removed from the inner-half mold on the carrier-block by means of a handling means.

A method is provided for manufacturing a multi-component plastic molded part and a tool system. The method comprises a first injection molding step for molding at least one preform, and a second injection molding step for molding at least one second component onto the preform. The first and second injection molding steps are performed with an injection molding machine comprising a first outer half-mold and at least one second outer half-mold positioned on opposite sides of a rotatable carrier-block. The carrier-block has at least four side faces each comprising an inner half-mold. The preform in the first injection molding step the second component in the second injection molding step are simultaneously injection molded. The injection molding machine is opened by moving the first and second outer half-mold spaced apart from the rotatable carrier-block. The preform is carried out of the first injection molding step, the plastic molded part is carried out of the second injection molding step by rotating the carrier-block. The preform is cooled while carried by the inner-half mold on the carrier-block by means of a cooling medium. The plastic molded part is removed from the inner-half mold on the carrier-block by means of a handling means.

A stack mold carrier for supporting a center mold section of an injection molding machine, including a platen assembly, is disclosed. The stack mold carrier includes a carrier base which includes a mold support portion for coupling with and supporting the center mold section. A linkage assembly is pre-installed on the carrier base and a first restraint system is provided for releasably retaining the linkage assembly in a first, non-operational position wherein the linkage assembly is fixed relative to the carrier base such that the stack mold carrier can be disposed on the platen assembly as an assembled unit. The stack mold carrier includes a second restraint system for releasably retaining the stack mold carrier on the platen assembly prior to connection with the center mold section.

A stack mold carrier for supporting a center mold section of an injection molding machine, including a platen assembly, is disclosed. The stack mold carrier includes a carrier base which includes a mold support portion for coupling with and supporting the center mold section. A linkage assembly is pre-installed on the carrier base and a first restraint system is provided for releasably retaining the linkage assembly in a first, non-operational position wherein the linkage assembly is fixed relative to the carrier base such that the stack mold carrier can be disposed on the platen assembly as an assembled unit. The stack mold carrier includes a second restraint system for releasably retaining the stack mold carrier on the platen assembly prior to connection with the center mold section.

An injection molding mold includes a columnar core mold and a pair of split molds disposed so as to surround the entire periphery of the core mold. The injection molding mold effectively degassing the inside of a cavity for molding an irregular tubular molded article opened at one end and closed at the other end. A piece plate stack (J), configured such that a plurality of degassing piece plates P.sub.1 to P.sub.4 is stacked on each other, is integrally incorporated into a portion of each of a pair of split molds (B.sub.1, B.sub.2) forming a box-shaped second cavity of a cavity, and degassing grooves G.sub.1 to G.sub.4 formed in each of the degassing piece plates P.sub.1 to P.sub.4 are covered with another degassing piece plate P.sub.2 to P.sub.4 located immediately thereabove. Gas accumulated in the cavity is discharged to the outside of the molding mold through degassing holes H.

An injection molding mold includes a columnar core mold and a pair of split molds disposed so as to surround the entire periphery of the core mold. The injection molding mold effectively degassing the inside of a cavity for molding an irregular tubular molded article opened at one end and closed at the other end. A piece plate stack (J), configured such that a plurality of degassing piece plates P.sub.1 to P.sub.4 is stacked on each other, is integrally incorporated into a portion of each of a pair of split molds (B.sub.1, B.sub.2) forming a box-shaped second cavity of a cavity, and degassing grooves G.sub.1 to G.sub.4 formed in each of the degassing piece plates P.sub.1 to P.sub.4 are covered with another degassing piece plate P.sub.2 to P.sub.4 located immediately thereabove. Gas accumulated in the cavity is discharged to the outside of the molding mold through degassing holes H.