Connections for insulated pipes

Details Connections for insulated pipes Connections for insulated pipes

1975-02-06

1976-11-16

Van Balen, William J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156187, 156195, 156244, 138149, 138150, 138DIG9, 428 36, 428315, 428913, B29C 2700, B32B 3100

Patent

active

039922375

ABSTRACT:
A foam plastic layer is sprayed onto a metal pipe, whereafter a tape of polyethylene at the extrusion temperature is helically wound around the foam layer.

REFERENCES:
patent: 3033724 (1962-05-01), Stokes
patent: 3118800 (1964-01-01), Snelling
patent: 3240645 (1966-03-01), Friedwald et al.
patent: 3273600 (1966-09-01), Swan
patent: 3289703 (1966-12-01), Brown
patent: 3453716 (1969-07-01), Cook
patent: 3480493 (1969-11-01), Bauer et al.
patent: 3607501 (1971-09-01), Okumura
patent: 3687765 (1972-08-01), MacLean et al.

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