Heel molder

Details Heel molder Heel molder

A - Human Necessities

43

D

12/118

A43D 11/00 (2006.01) A43D 11/12 (2006.01) A43D 21/12 (2006.01) A43D 21/16 (2006.01) A43D 25/20 (2006.01)

Patent

CA 1309563

ABSTRACT A heel molder to form the heel part of a footwear upper assembly. The heel part includes a thermally- activated material that is deformable when heated above a threshold temperature; it is non-deformable below that threshold temperature; it is non-deformable at room temperature. The material preferentially includes a thermally-activated adhesive, that is, an adhesive that becomes tacky or sticky at or about the temperature at which the material becomes deformable. The heel molder receives the upper assembly, forms the same at the heel region while the material is above the threshold temperature, cools the material whereby the thermally-activated material - and the upper itself and liner - takes a permanent preformed set as a laminate for later operations. According to the present teaching, the thermally activated material or counter, the upper and the lining of the upper typically form, when cooled, a laminate that retains its geometry for subsequent operations thereon.

591578

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