Process and vacuum mold for the manufacture of a textile covered cushion

Abstract From the Canadian patent

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 …