Method of molding a synthetic-resin hollow container with grip

Details Method of molding a synthetic-resin hollow container with grip Method of molding a synthetic-resin hollow container with grip

1987-11-16

1992-02-18

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing multilayer work or article

215 1C, 215100A, 264530, 264537, 425525, B29C 4906, B29C 4908, B29C 4918

Patent

active

050892088

ABSTRACT:
A hollow container having a grip is formed by injection molding the grip and annular rings onto a blow molded container. An injection molded parison is first stretch blow molded to form a hollow container body having annular grooves. The hollow container body is then placed in a mold having molding grooves and a grip molding cavity. The molding grooves on the mold and the annular grooves on the container body together define connecting ring molding cavities. A pressure higher than ambient pressure is applied to the interior of the hollow container body. Then the grip and connecting rings are formed onto the hollow container body by injection filling the grip and connecting ring molding cavities.

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patent: 3120974 (1964-02-01), Matson
patent: 3140329 (1964-07-01), Nutting
patent: 3357056 (1967-12-01), Reyburn
patent: 3846902 (1974-11-01), Sebring
patent: 3917789 (1975-11-01), Heisler
patent: 4280859 (1981-07-01), Thompson
patent: 4363415 (1982-12-01), Rainville
patent: 4518554 (1985-05-01), Hatakeyama et al.

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