发明公开
EP0679501A1 Composite material with foamable core 失效
Verbundmaterial mitschaumfähigemKern。

Composite material with foamable core
摘要:
The invention relates to a composite material comprised of a support (1) and a heat foamable material (8), said heat foamable material (8) being contained into a room (7) defined by the support (1) so that when heat is applied, foam expands out of the room (7).
The invention relates also to an expanded seal (9) obtained by using a composite material as defined herebefore and to processes for the manufacture of such composite material.
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