B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
18/641
B32B 5/18 (2006.01) B29C 44/14 (2006.01) B29C 51/26 (2006.01)
Patent
CA 1275556
A PROCESS AND A FORM TOOL FOR THE PRODUCTION OF CUSHIONS MADE OF FOAM WHICH ARE PROVIDED WITH TEXTILE COVERS ABSTRACT OF THE DISCLOSURE The present invention is directed to a process for the production of foam cushions having textile covers by inserting a textile cover into a mold cavity having gates which project into the mold cavity, initially preforming the textile cover by applying a vacuum through holes in the mold cavity such that the textile cover conforms to the contour on both sides of the gates, clamping the textile cover against the gates, optionally further positioning the textile cover such that it conforms to the contours of both the gates and the mold cavity, releasing the clamps and introducing a foam forming reaction mixture into the mold cavity. The present invention is also directed to a form tool having gates, means for applying a vacuum through holes in the mold cavity in gates and clamping means for clamping the mold cover to the gates.
540219
Busch Ralf
Lindsey John
Onnenberg Volker
Aktiengesellschaft Bayer
Busch Ralf
Lindsey John
Onnenberg Volker
Swabey Ogilvy Renault
LandOfFree
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