Low density laminated foam and process and apparatus for produci

Details Low density laminated foam and process and apparatus for produci Low density laminated foam and process and apparatus for produci

1974-09-23

1976-01-06

Van Balen, William J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156306, 156322, 156324, 156380, 264 456, 264321, 428313, 428314, B32B 326

Patent

active

039309177

ABSTRACT:
An apparatus and process for laminating a flexible sheet of covering material to a foamed thermoplastic sheet wherein the process includes the steps of expanding aged or directly extruded thermoplastic foam sheet by heat until the foam has reached its softening point; heating the covering material to above the melting point of the foam; and, applying the heated covering material to the softened foam sheet to bond the sheet to the foam thereby forming a laminated product.

REFERENCES:
patent: 3062698 (1962-11-01), Aykanian
patent: 3180778 (1965-04-01), Rinderspacher et al.
patent: 3398035 (1968-08-01), Cleereman et al.
patent: 3496058 (1970-02-01), Schroter et al.
patent: 3499819 (1970-03-01), Lewis
patent: 3586574 (1971-06-01), Soda et al.
patent: 3814659 (1974-06-01), Nadeau
patent: 3823047 (1974-07-01), Colombo

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