Parison molding method with reduced molding cycle times

Details Parison molding method with reduced molding cycle times Parison molding method with reduced molding cycle times

1995-06-29

1996-11-26

Timm, Catherine

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Including application of internal fluid pressure to hollow...

2642972, 26432814, 425526, 425547, B29C 4572

Patent

active

055782639

ABSTRACT:
A parison injection molding apparatus and method injection molds parsons, transfers them to cooling stations and then ejection stations. While at the injection molding station, cooling stations and during transfer therebetween up to the time they are ejected, the parisons are continuously cooled.

REFERENCES:
patent: 3972976 (1976-08-01), Farrell
patent: 4061705 (1977-12-01), Marcus
patent: 4155974 (1979-05-01), Valyi
patent: 4285657 (1981-08-01), Ryder
patent: 4308086 (1981-12-01), Valyi
patent: 4352777 (1982-10-01), Valyi
patent: 4376090 (1983-03-01), Marcus
patent: 4604258 (1986-08-01), Valyi
patent: 4950152 (1990-08-01), Brun, Jr. et al.

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