Method of manufacturing a panel, provided with a frame foamed of

Details Method of manufacturing a panel, provided with a frame foamed of Method of manufacturing a panel, provided with a frame foamed of

1979-06-06

1981-08-18

Anderson, Philip

Stock material or miscellaneous articles

Longitudinally sectional layer of three or more sections

264 464, 264 467, 264274, 2643282, 26432812, 264DIG83, 425110, 425543, 425812, 425817R, 428 81, 428314, B29D 2700

Patent

active

042846730

ABSTRACT:
A method of manufacturing a panel, provided with a frame of a synthetic material at least at one side edge face thereof, a laminate composed of a particled board core coated on either side with a coating, with reservation of a molding cavity along the entire or partial panel circumference for the frame to be formed, being applied in the bottom portion of a mold likewise containing a cover portion, after which the mold is closed, while the cover portion is sealingly clamped onto the bottom portion, after which a curing bi-component synthetic material foaming through exothermic reaction is admitted substantially pressure-less into the mold cavity and the panel is removed from the mold after curing, whereby the exothermic reaction of the bi-component synthetic material is utilized for increasing the pressure and the temperature in the molding cavity during the foaming and curing.

REFERENCES:
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patent: 3889353 (1975-06-01), Provi
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patent: 3959050 (1975-05-01), Hooper
patent: 4028450 (1977-06-01), Gould
patent: 4049368 (1977-09-01), Grachten
patent: 4072548 (1978-02-01), Gerson et al.
patent: 4138283 (1979-02-01), Hanusa

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