Method for producing reinforced insulating foam

Details Method for producing reinforced insulating foam Method for producing reinforced insulating foam

1975-01-03

1976-04-20

Whitby, Edward G.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156148, 220 9LG, 264 453, 264 462, 428 86, 428310, 428425, B32B 520

Patent

active

039517187

ABSTRACT:
A method of making a reinforced insulating foam wherein an open weave fabric is tufted with loops similar to the making of a shag rug in the textile industry. Foaming material is then inserted into the open weave fabric on the side opposite that of the tufted fibers and expanded through the fabric and around the fibers. A rigid non-sticking backing plate is used to direct the foam through the woven fabric such that the fabric is at the surface of the composition and thus may be bonded to the container walls. When foamed downwardly, gravity assists to produce a less dense foam and the fibers are straightened by the foaming action.

REFERENCES:
patent: 2780090 (1957-02-01), Rasmussen
patent: 3591494 (1971-07-01), Hoppe
patent: 3647606 (1972-03-01), Notaro

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