Method for disposing inner insert in blow molding

Details Method for disposing inner insert in blow molding Method for disposing inner insert in blow molding

1986-04-23

1988-01-12

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing multilayer work or article

264516, 425503, 425525, B29C 4920, B29C 4930

Patent

active

047190728

ABSTRACT:
In disposing an insert or inserts within a blow-molded product, before the blow molding step is started, an inner supporting device supporting the insert at an end thereof is inserted into a parison and then the mold is closed so that the insert is made into contact with the parison. Thereafter the blow molding is effected so that the insert is securely welded to the parison.

REFERENCES:
patent: 3575949 (1971-04-01), Humphrey
patent: 3919373 (1975-11-01), Kormendi
patent: 4215089 (1980-07-01), Uhlig et al.
patent: 4307059 (1981-12-01), Cambio

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