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SHOE STIFFENER, MATERIAL AND METHOD FOR MAKING SAME AND METHOD OF INCORPORATING A SHOE STIFFENER INTO A SHOE UPPER COMPONENT
SHOE STIFFENER, MATERIAL AND METHOD FOR MAKING SAME AND METHOD OF INCORPORATING A SHOE STIFFENER INTO A SHOE UPPER COMPONENT
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机译：鞋增硬剂，用于制造鞋增硬剂的材料和方法以及将鞋增硬剂掺入鞋上部成分中的方法
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摘要
A material suitable for use in the manufacture of a shoe stiffener consisting of a stiffener composition between two layers of sheet material, the stiffener composition including a polymeric material which is stiff at ambient temperature below 50 DEG C and 90 DEG C and has a melt viscosity measured at 100 DEG C in the range from 100 Pas to 8000 Pas and wherein at least one of said layers of sheet materials has openings therein in a size range from, 0.15 mm2 to 5 mm2. A method of making the material is also described together with its use as a shoe stiffener. When incorporating the stiffener into a shoe, pressure exerted may cause some of the stiffener composition to flow through the openings and bond the stiffener to an adjacent shoe upper component.
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