Method of manufacturing laminated foam plastics materials

Details Method of manufacturing laminated foam plastics materials Method of manufacturing laminated foam plastics materials

1984-03-23

1985-09-10

Dawson, Robert A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156324, 264 465, 427355, 427359, 4283175, B32B 3112, B32B 520

Patent

active

045404550

ABSTRACT:
A method of manufacturing laminated plastics materials comprising passing a first sheet material adjacent a barrier in parallel spaced relation to the barrier which is disposed obliquely to the direction of passage of the first sheet material and applying a quantity of unfoamed polyurethane prepolymer at or adjacent the edge of the first sheet upstream of the most upstream part of the barrier. A second sheet material may be applied to the foam as it passes under the barrier.

REFERENCES:
patent: Re27109 (1971-03-01), Videen
patent: 3759772 (1973-09-01), Andersson
patent: 3942925 (1976-03-01), Schmitzer et al.

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