Hollow bodies of plastic materials

Details Hollow bodies of plastic materials Hollow bodies of plastic materials

1984-03-26

1985-10-01

Schofer, Joseph L.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

264248, 264263, 1563042, 1563045, 156292, B65D 302

Patent

active

045445885

ABSTRACT:
Complicated hollow bodies with undercuts and for multidimensional curves which do not permit the cores to be drawn out of the finished part, are pressed together from prefabricated shells (1) under simultaneously exact pre-shaping and are connected along the joints by injection-moulded plastics material.

REFERENCES:
patent: 3893777 (1975-07-01), Jones
patent: 4038358 (1977-07-01), Wrasman
patent: 4074961 (1978-02-01), Reil
patent: 4261947 (1981-04-01), Ogi
patent: 4263237 (1981-04-01), Weeden et al.
patent: 4347208 (1982-08-01), Southall
patent: 4404053 (1983-09-01), Saffire
patent: 4447373 (1984-05-01), Chappell et al.

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