Method for manufacturing a low density synthetic resin body

Details Method for manufacturing a low density synthetic resin body Method for manufacturing a low density synthetic resin body

1980-05-23

1982-07-06

Anderson, Philip

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

By gas forming or expanding

264338, 264DIG5, 264DIG18, B29D 2700

Patent

active

043382711

ABSTRACT:
A method for manufacturing a low density synthetic resin foamed body is disclosed which is characterized by the steps of filling a mixture of 100 parts by weight of an ethylene-vinyl acetate copolymer, 20-80 parts by weight of a foaming agent, and 1.0-5.0 parts by weight of a crosslinking agent in a mold, closing the mold with a lid, heating the mold to form a foamed body, cooling the foamed body as it is kept in the mold, and opening the lid of the mold.

REFERENCES:
patent: 2199006 (1940-04-01), Minor
patent: 2826244 (1958-03-01), Hurley
patent: 2878523 (1959-03-01), Hardy
patent: 3389196 (1968-06-01), Stahl
patent: 3452123 (1969-06-01), Beckmann et al.
patent: 3608006 (1971-09-01), Hosoda et al.
patent: 3812225 (1974-05-01), Hosoda et al.

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