Process for the production of upholstery with back- foamed...

B - Operations – Transporting – 29 – C

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26/199, 18/641

B29C 67/20 (2006.01) B29C 44/14 (2006.01) B29C 51/26 (2006.01)

Patent

CA 1272874

Mo-2970 LeA 24,790 PROCESS FOR THE PRODUCTION OF UPHOLSTERY WITH BACK-FOAMED COVER ABSTRACT OF THE DISCLOSURE The present invention is directed to an apparatus for the production of back-foamed covers from cover materials and foam comprising (i) a mold comprising an upper mold half and a lower mold half, said lower mold half having a cavity therein, the inside surface of which is capable of being covered by said cover material, (ii) a mixhead associated with said mold, said mixhead capable of introducing foam materials and/or reactants into said mold cavity, (iii) a pusher bar arranged on a mount for pushing said cover material into said mold cavity and being arranged above said lower mold half, said pusher bar being constructed such that when said bar is pushing said cover material into said mold cavity, a gap is formed between the edge of the mold cavity and the edge of the pusher bar, said gap being less than the thickness of said cover material, (iv) said lower mold half being movable towards and away from said pusher bar, and (v) the surface of said pusher bar facing said mold cavity edge being a fractional surface. Mo-2970

547203

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