Tread sole for athletic shoe consisting of rubber or another mat

Details Tread sole for athletic shoe consisting of rubber or another mat Tread sole for athletic shoe consisting of rubber or another mat

1981-08-27

1983-09-06

Schroeder, Werner H.

Boots, shoes, and leggings

Soles

Rubber

36129, 36 59C, A43B 1304

Patent

active

044021453

ABSTRACT:
Athletic shoes, especially soccer shoes are known comprising a tread sole of rubber or another material having rubber-elastic properties, which sole is provided at least partially with nubs uniformly distributed over the tread and forming a unit with the tread sole, the longitudinal axes of these nubs being aligned obliquely with respect to the sole surface. In order to broaden the area of usage of such athletic shoes, especially to render such athletic shoes suitable for sports on artificial grass or on hard courts, the obliquely oriented nubs are arranged exclusively in the areas of the ball of the foot, the ankle joint, and the heel along the rim of the sole as the outermost nub row or as external nub rows. The nubs located in the marginal zone of the tip of the sole are arranged with their longitudinal axes at least almost perpendicular with respect to the sole tread and exhibit a lower profile height than the obliquely oriented nubs. Expansion grooves extending up into the marginal zone of the tip of the sole are arranged in the forward area of the sole starting approximately from the ankle joint, in order to impart to the tread sole of such athletic shoes an increased flexibility transversely over the tread sole surface.

REFERENCES:
patent: 429429 (1890-06-01), Eckhardt
patent: 4085527 (1978-04-01), Riggs
patent: 4130947 (1978-12-01), Denu
patent: 4255874 (1981-03-01), Sironi
patent: 4327503 (1982-05-01), Johnson

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