B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
154/108, 154/123
B32B 5/26 (2006.01) B32B 5/24 (2006.01)
Patent
CA 1119941
P-311 COMPOSITE STRUCTURE ABSTRACT A composite structure comprising a layer of initially resilient foam material having open and connected cells one portion of which is impregnated with a first polymerizable resin system and another portion of which is impregnated with a second polymerizable resin system and which resin systems are concurrently polymerized while maintaining the resilient foam layer under compression whereby each polymerized resin is disposed as a continuous and rigid resin phase through- out respectively adjacent portions of said foam material.
321855
Smart & Biggar
W.r. Grace & Co.,-Conn.
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