Apparatus and method for the continuous manufacture of foam boar

Details Apparatus and method for the continuous manufacture of foam boar Apparatus and method for the continuous manufacture of foam boar

1980-04-21

1985-01-22

Dawson, Robert

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

100156, 100168, 156220, 156582, 264 463, 425337, B32B 3120

Patent

active

044950136

ABSTRACT:
A plastic foam-forming mixture (31), e.g. a polyurethane or polyisocyanurate foam mix, deposited from one or more static dispensers (19) is metered through two spaced opposed members 14 and 18 forming between them a metering gap. At least one of the members is deformable in a controlled manner such that the profile of the metering gap can be variously defined. Reduces "crowning" of foam boards while permitting foam boards of different thicknesses to be made without having to replace metering bars.

REFERENCES:
patent: 4019938 (1977-04-01), Forrester
patent: 4127066 (1978-11-01), Sharkey

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