Sheet material comprising layers of aligned strands completely s

Details Sheet material comprising layers of aligned strands completely s Sheet material comprising layers of aligned strands completely s

1982-03-09

1984-06-12

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including grain, strips, or filamentary elements in...

428105, 428114, 428224, 428294, 428295, 428297, B32B 512

Patent

active

044541848

ABSTRACT:
A sheet material comprises at least three superposed layers (11, 12, 13, 14) each consisting of a plurality of strands (11a, 12a, 13a, 14a) disposed in and completely surrounded by a mass of adhesive so that individual strands of each layer adhere to one another and adjacent layers adhere to each other. Strands in adjacent layers are transversely, and preferably perpendicularly, arranged. A preferred adhesive is curable polyvinyl chloride. Strands in non-adjacent layers may be substantially aligned or may be offset. Strands may have a non uniform or uniform spacing and may be of the same or differing decitex. Material is made by embedding strands in adhesive, placing layers so formed together and thereafter curing the adhesive. The material has greater tear strength in at least one direction than conventional plastics coated woven material having the same yarn content.

REFERENCES:
patent: 885219 (1908-04-01), Bayne et al.
patent: 2919217 (1959-12-01), Bobkowicz
patent: 3276942 (1966-10-01), Ewing
patent: 3490983 (1970-01-01), Lee
patent: 3756905 (1973-09-01), Mills et al.
patent: 3784441 (1974-01-01), Kaempen
patent: 4374170 (1983-02-01), Fesko

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