Sole construction for footwear

Details Sole construction for footwear Sole construction for footwear

1984-06-05

1985-12-31

Kee Chi, James

Boot and shoe making

Processes

Miscellaneous parts

12142RS, 36 30R, 36 37, 264244, A43B 1304, A43B 1314, A43B 1318, A43B 2132

Patent

active

045611408

ABSTRACT:
The manufacture of a sole unit for footwear, such as an athletic shoe including an integral midsole/wedge or a separable wedge for use with a midsole. The integral midsole/wedge unit and the separable wedge comprise a shell and a core at least partially encapsulated within the shell. In the manufacture the core is supported in a mold by a plurality of pins extending from an upper and lower mold half toward a parting line; or the core is supported on one or the other of an outsole or insole of the sole unit and closed in the mold. The material of the shell is poured or injected into the mold.

REFERENCES:
patent: 4128950 (1978-12-01), Bowerman et al.
patent: 4228600 (1980-10-01), Krug et al.
patent: 4297796 (1981-11-01), Stirtz et al.
patent: 4297797 (1981-11-01), Meyers
patent: 4302892 (1981-12-01), Adamik
patent: 4364188 (1982-12-01), Turner et al.

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