Method for stiffening portions of flexible material

Details Method for stiffening portions of flexible material Method for stiffening portions of flexible material

B - Operations, Transporting

41

M

117/42

B41M 3/12 (2006.01) A43D 11/00 (2006.01) B44C 1/165 (2006.01)

Patent

CA 1083894

Abstract of the Disclosure The method for stiffening a flexible workpiece such as the portion of a shoe in which a layer of fast crystallizing linear synthetic polymer resin is deposited in molted condition on a transfer surface member which is at a temperature and has a heat take up capability to bring the resin at its surface to a temperature for rapid crystallization of the resin, the resin layer is pressed between the transfer surface member and the surface of the workpiece within a time after deposition of the resin on the transfer surface member during whichat least the exposed surface of the resin layer remains molten for wetting adhesive engagement with the surface of the workpiece and the transfer surface member is separated from the resin layer at a time when at least a surface film of crystal- lized resin has formed adjacent said transfer surface member.

285359

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