Plastic and nonmetallic article shaping or treating: processes – With severing – removing material from preform mechanically,...
Patent
1979-06-15
1981-05-19
Hoag, W. E.
Plastic and nonmetallic article shaping or treating: processes
With severing, removing material from preform mechanically,...
264248, 264272, 264278, 264321, 264322, B29C 2700, B29D 2700
Patent
active
042684692
ABSTRACT:
A method of enveloping an electrical component in a thermoplastic material is provided. The facing surfaces of two parallel spaced strips of a closed-cell cellular thermoplastic material are heated to a temperature above the softening or melting temperature of such thermoplastic material while maintaining the temperature of the remainder of each strip below such softening or melting temperature. In this condition the two strips and the electrical component are introduced into a mould with the component between the heated surfaces; and the mould is closed about the strips to plastically deform the same and to encase the component therebetween.
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patent: 3265945 (1966-08-01), Jennings et al.
patent: 3286834 (1966-11-01), English
patent: 3318744 (1967-05-01), Hurley
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patent: 3442828 (1969-05-01), Engelhardt et al.
Benning, Plastic Foams, Wiley-Interscience, N.Y. (1970), pp. 3,54-55, 192, 193, 322, 323.
Bouwknegt Jan
Scholten Gerard J.
Verbeek Hendrik J.
Briody Thomas A.
Hoag W. E.
Schneider Rolf E.
Streeter William J.
U.S. Philips Corporation
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