Stack-mold for injection blow molding

Details Stack-mold for injection blow molding Stack-mold for injection blow molding

1984-11-15

1986-08-05

Silbaugh, Jan

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Including application of internal fluid pressure to hollow...

425533, 425534, 425537, B29C 4906, B29C 4932

Patent

active

046042580

ABSTRACT:
A method and apparatus for injection blow molding hollow plastic articles characterized by increased capacity due to back-to-back operations or stack molding and a rapid and efficient operating cycle. The process and apparatus includes back-to-back injection mold stations, back-to-back blow mold stations located on each side of and adjacent said injection mold stations in side-by-side relationship therewith, back-to-back ejection stations located adjacent each of said blow mold stations in side-by-side relationship, and blow cores cooperating with said injection stations and blow stations, wherein the operation of said cores is facilitated by an overlapping cycle.

REFERENCES:
patent: 3011216 (1961-12-01), Gussoni
patent: 3441982 (1969-05-01), Sagara et al.
patent: 4065246 (1977-12-01), Marcus
patent: 4244909 (1981-01-01), Gellert

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