Method for blow molding hollow article with integrally bonded at

Details Method for blow molding hollow article with integrally bonded at Method for blow molding hollow article with integrally bonded at

1978-07-20

1980-07-29

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing multilayer work or article

425525, B29C 1707

Patent

active

042150892

ABSTRACT:
A method for making a hollow plastic article having a separate full ring-shaped member bonded to the article within the blow mold. Separate halves of the ring-shaped member are inserted into respective halves of the blow mold and such member halves are joined to form a full ring when the blow mold halves are closed. A parison is blow molded within the closed mold and bonds to the ring-shaped member held in the mold.

REFERENCES:
patent: 3015856 (1962-01-01), Cohn
patent: 3140329 (1964-07-01), Nutting
patent: 3275726 (1966-09-01), Rudolph
patent: 3325031 (1967-06-01), Singier
patent: 3332133 (1967-07-01), Rye
patent: 3742995 (1973-07-01), Confer et al.
patent: 4044091 (1977-08-01), Hurst

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