Process and vacuum mold for the manufacture of a textile...

Details Process and vacuum mold for the manufacture of a textile... Process and vacuum mold for the manufacture of a textile...

B - Operations, Transporting

29

C

18/641

B29C 51/36 (2006.01) B29C 44/14 (2006.01) B29C 51/04 (2006.01) B29C 51/26 (2006.01) B29C 51/30 (2006.01)

Patent

CA 1307887

PROCESS AND VACUUM MOLD FOR THE MANUFACTURE OF A TEXTILE COVERED CUSHION ABSTRACT OF THE DISCLOSURE The present invention is directed to a vacuum mold and process for manufacturing a textile-covered cushion. The process broadly comprises back foaming, wherein (i) the cover is placed on the edge of a vacuum molding part at least partly containing a mold cavity and is stretched before a vacuum is applied to the mold cavity, (ii) the cover is sucked into position, (iii) a foamable reaction mixture is then applied to the back of the cover and (iv) when the reaction mixture has set to form the foam core, the cushion is removed from the mold t the improvement wherein prior to the application of the vacuum to the mold cavity, the cover is brought into contact with at least one moveable section of the wall of the mold cavity as it is positioned over the mold cavity, the cover is fixed to this section and the section together with the cover fixed thereto is then moved into the molding position.

571173

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