Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Composite article making
Patent
1975-05-27
1977-09-27
Anderson, Philip
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Composite article making
264 458, 264 464, 264257, 297 5, 297361, 297DIG1, 428310, 428315, 428376, 428398, B29D 2704
Patent
active
040512100
ABSTRACT:
A process for the combination of pneumacel fiber and synthetic elastomeric foam is provided that yields highly desirable, composite cushioning structures. A compressed, resin-bonded pneumacel batt is pre-expanded and combined with a precursor of an elastomeric foam under conditions leading to minor but definite penetration of the batt by the foam to give durably unitary cushioning with the best features of both materials.
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patent: 3485711 (1969-12-01), Fish et al.
patent: 3535181 (1970-10-01), Yunan
patent: 3617594 (1971-11-01), Willy
Anderson Philip
E. I. Du Pont de Nemours and Company
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