Process for manufacturing hollow plastics articles

Details Process for manufacturing hollow plastics articles Process for manufacturing hollow plastics articles

1986-12-02

1988-08-16

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Treatment of material by vibrating, jarring, or agitating...

By reciprocating or vibrating mold

264310, 264311, 425429, B29C 4104

Patent

active

047643226

ABSTRACT:
A process for producing a hollow plastics article, which comprises introducing a polymerizable composition in the hot state into a sealed hot mould, immediately setting the mould in motion by imparting to it a second movement of rotation about a second axis and a third movement of oscillation about a third axis which is perpendicular to the second, so that the composition is applied to the inner walls of the mould, and polymerizing it herein to form a hollow article. The improvement comprises setting the mould in motion by further imparting to it, simultaneously to the second and third movement, a first horizontal movement which has, in a horizontal plane, two components in two directions perpendicular to each other.

REFERENCES:
patent: 3072965 (1963-01-01), Miller
patent: 3217078 (1965-11-01), Kleiber
patent: 3316339 (1969-04-01), Breneman
patent: 3337662 (1967-08-01), Spencer
patent: 3456046 (1969-07-01), Rosen
patent: 3734665 (1973-05-01), Guillaud
patent: 3909179 (1975-09-01), Chujoo et al.
patent: 4146565 (1979-03-01), Quraishi
patent: 4292015 (1981-09-01), Hritz
patent: 4294793 (1981-10-01), Takazawa

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