Apparatus for connecting together parts of foam plastics

Details Apparatus for connecting together parts of foam plastics Apparatus for connecting together parts of foam plastics

1975-10-03

1977-02-01

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Preform assembly means and means for bonding of plural...

425501, 425508, 425520, B29C 2300, B29D 2700, B29D 900

Patent

active

040059758

ABSTRACT:
Two parts of foam plastics are connected together by heating a portion of the first part so that it will melt, while the corresponding portion of the second part is kept at a considerably lower temperature, preferably room or ambient temperature. After the heating of the first portion the parts are immediately brought together, whereby a surface layer of the second part rapidly melts, whereupon the second part serves as a heat dissipating means to provide a rapid hardening of the molten portions. After the two parts have been put together, a pressure applying means can be pressed against the joint formed between the parts.

REFERENCES:
patent: 3466214 (1969-09-01), Polk et al.
patent: 3668031 (1972-06-01), Bast
patent: 3695806 (1972-10-01), Arfert
patent: 3879245 (1975-04-01), Fetherston et al.

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