Invention Grant
- Patent Title: Method for making stretch leather composites and articles containing the same
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Application No.: US16220198Application Date: 2018-12-14
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Publication No.: US10563273B1Publication Date: 2020-02-18
- Inventor: Balaji Velu , Sylvain Yves Bussiere
- Applicant: Wolverine Outdoors, Inc.
- Applicant Address: US MI Rockford
- Assignee: Wolverine Outdoors, Inc.
- Current Assignee: Wolverine Outdoors, Inc.
- Current Assignee Address: US MI Rockford
- Agency: Warner Norcross + Judd LLP
- Main IPC: C14B7/00
- IPC: C14B7/00 ; C14B7/04 ; A43B23/02 ; B29D35/14 ; C14B1/58

Abstract:
A method of making stretch leather composites is provided. The method includes providing a semi-finished leather. The semi-finished leather is split to obtain a final split having a thickness of from 0.10 mm to about 1.25. The final split is dried to obtain a crust. The crust is laminated with a stretch fabric impregnated with a stiffener, e.g., starch, to prepare a laminate. The starch is removed from the stretch fabric after preparing the laminate, for example, by dissolving the starch in a liquid solution naturally present in another laminate processing step liquid. Laminating the crust can include the use of an adhesive. A method of manufacturing an article of footwear can include providing a stretch leather composite, cutting the stretch leather composite to conform to a predetermined shape, and manufacturing the footwear using the stretch leather composite.
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