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US 5,603,170 AGranted
Fiber reinforced resin lift for shoes
AssigneeHiro International Co., Ltd.
InventorGiichi Hirai
Life of this patent
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Abstract
A lift for shoes is formed by injection molding a thermoplastic polyurethane resin which contains carbon fiber formed into linear pieces and cut to a predetermined length. This lift for shoes is a nonslip lift having a high abrasion resistance, a high impact resistance, a high moldability and a high operation efficiency concerning the production of shoes.
Claims9
A lift for shoes comprising a thermoplastic polyurethane resin containing carbon fiber in linear pieces cut to a predetermined length in the range of 0.1-10.0 mm,
- said thermoplastic polyurethane resin containing said carbon fiber in the range of 1.0-10.0 wt. %,
- said lift having been formed by injection molding of said thermoplastic polyurethane containing said carbon fiber.
Dependencies are inferred from the claim text.