Process for the manufacture of oriented hollow plastic articles

Details Process for the manufacture of oriented hollow plastic articles Process for the manufacture of oriented hollow plastic articles

1975-01-24

1977-02-08

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Reactive gas or vapor treatment of work

Work is organic material

264 98, 264296, 425DIG215, B29C 1707

Patent

active

040072428

ABSTRACT:
The production of oriented hollow plastic articles having no weakened zone particularly in their bottom is ensured by blow molding of preforms having a base sealed along a straight line of length practically the same as half the perimeter of their cylindrical lateral part and gradually by changing from the cylindrical shape to the rectilinear shape in the region of the base so that the perimeter remains practically constant throughout all cross-sections.

REFERENCES:
patent: 3278664 (1966-10-01), Langecker
patent: 3311950 (1967-04-01), Strauss
patent: 3740181 (1973-06-01), Uhlig
patent: 3754851 (1973-08-01), Reilly et al.
patent: 3781395 (1973-12-01), Uhlig
patent: 3833700 (1974-09-01), Adomaitis

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