Method of making objects having an elastomeric outer wall...

Details Method of making objects having an elastomeric outer wall... Method of making objects having an elastomeric outer wall...

B - Operations, Transporting

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B29C 67/20 (2006.01) B29C 37/00 (2006.01) B29C 39/12 (2006.01) B29C 41/08 (2006.01) B29C 44/04 (2006.01) B29C 44/12 (2006.01) B32B 5/18 (2006.01) C08J 9/34 (2006.01)

Patent

CA 2011375

The invention relates to a method of making in a mould cavity objects having an outer wall from a micro-cellular or non-cellular elastomer (7) and a core consisting at least partly of a synthetic foam (9), wherein, in a first step, a layer (7) of said elastomer is applied by spraying onto the surface (1) defining the mould cavity, wherein, in a second step, before said elastomer is completely cured, a reaction mixture for obtaining a synthetic foam (9) is injected in the thus by the formed elastomer layer (7) defined space (8) of the mould cavity and wherein, in a third step, after the synthetic foam (9) has been cured substantially completely and forms a whole with the elastomer layer (7), the thus obtained object is demoulded.

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