B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
154/89, 154/90.1
B32B 5/24 (2006.01) B29C 27/14 (1980.01)
Patent
CA 1143270
ABSTRACT OF THE DISCLOSURE What is disclosed is a method for making a laminate comprising a hard foam layer and a fiber-reinforced synthetic resin-layer, which method comprises heating and compressing, in two steps, at least one layer of a high-temperature resistant hard foam and at least one layer of a fiber- containing synthetic resin capable of flowing and of hardening when heated, wherein in a first step, the temper- ature and pressure employed are sufficient for initiating flow of the synthetic resin and are applied until the synthetic resin has completed flowing, said pressure having a value exceeding the compressive strength of the foam at the temperature employed but not exceeding its compressive strength at room temperature and, wherein in a second step, at a temperature and for a time sufficient to complete hardening of the synthetic resin, pressure is applied which does not exceed the compressive strength of the foam at the temperature used.
355444
Maier Leonhard
Pip Wolfgang
Ridout & Maybee Llp
Rohm G.m.b.h.
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