B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
152/125
B60C 11/16 (2006.01)
Patent
CA 1193178
SKID PROTECTION ELEMENT FOR MOTOR VEHICLE TIRES Abstract of the Disclosure A stud for motor vehicle tires includes a hard metal pin which is axially shiftable against the action of an elastic spring element in a central hole of a jacket. The jacket consists of a base material with a wear behavior approximately corresponding to that of the rubber of the tire tread, and of hard materials embedded in the base material and serving as a guidance for the hard metal pin. The entire jacket; or a separate socket received in an outer sleeve, serving as a guidance for the hard metal pin can consist of an alloy with a high proportion of hard material carbide embedded in a low temperature melting metal. The jacket can also consist of a temperature-resistant synthetic plastic material with at least 40 percent by volume of embedded hard material particles. The jacket can also be made of steel and the central bore serving as a guidance for the hard metal pin can be coated with hard material. The central hole can be inwardly provided with a profiling extending in the longitudinal direction and the outer surface of the socket may be provided with profiling which assures anchoring in the outer sleeve. The spring element preferably consists of a thermoplastic polymer on rubber basis. - 16 -
418954
Cantz Rolf
Gottauf Georg
Johnson Douglas S. Q.c.
Stahlgruber Otto Gruber Gmbh & Co.
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