Method for producing large rigid foam panels

Details Method for producing large rigid foam panels Method for producing large rigid foam panels

1971-10-04

1976-06-01

Anderson, Philip E.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

52309, 428304, 264 32, 264 452, 264 469, 264 54, 264250, 264255, 264263, 264314, B29D 2704

Patent

active

039609987

ABSTRACT:
A method for making a panel of plastic foam includes first coating a flexible ribbon on one side with foam and immediately thereafter while the foam is soft and flowable, laying the ribbon on a form with the foam coated side against the form. Length after length of the foam coated ribbon is laid on the form side by side in courses sufficiently close in order that the foam coating flow and cohere together on the form and thereafter the foam cures providing a panel of foam having the shape of the form.

REFERENCES:
patent: 2377608 (1945-06-01), Bronson
patent: 2731070 (1956-01-01), Meissner
patent: 2910730 (1959-11-01), Risch
patent: 3166454 (1965-01-01), Voelker
patent: 3181199 (1965-05-01), Voelker
patent: 3253731 (1966-05-01), Fink et al.
patent: 3399095 (1968-08-01), Hyland
patent: 3443276 (1969-05-01), Smith et al.
patent: 3537929 (1970-11-01), Keith et al.
patent: 3548453 (1970-12-01), Garis
patent: 3607492 (1971-09-01), Keith et al.
patent: 3695959 (1972-10-01), Keith et al.

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