Method for producing a shoe sole
Patent 4309376 Issued on January 5, 1982. Estimated Expiration Date: 
July 5, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
July 5, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References D240340 2651118 3051994 3165841 3327334 InventorsAssigneeApplicationNo. 06/054853 filed on 07/05/1979US Classes:264/241, To produce composite, plural part or multilayered article264/244, Uniting shoe part to upper264/247, Positioning component in mold264/77, By compression in a closed mold cavity36/32R, Rubber425/403Shaping surfaces per se (e.g., mandrel, etc.)ExaminersPrimary: Lowe, JamesInternational ClassesA43B 13/12 (20060101)A43B 13/22 (20060101) A43B 13/16 (20060101) A43B 13/14 (20060101) A43B 13/02 (20060101) B29D 31/50 (20060101) B29D 31/515 (20060101) Foreign Application Priority Data1977-12-13 JPAbstractA method for producing a shoe sole, which comprises forming in a bottom surface of a cavity of an outer mold of the sole forming mold a groove for forming a ridge which is to divide said bottom surface into at least two sections, charging a sole forming materials into said cavity such that respective materials will be supplied into the adjoining two sections, closing the cavity with the press plate of said mold, and then compressing and heating the cavity. | |
