Tire with tread having ladder step groove walls

Details Tire with tread having ladder step groove walls Tire with tread having ladder step groove walls

1995-06-05

1997-08-12

Knable, Geoffrey L.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

B60C 1103

Patent

active

056561075

ABSTRACT:
The peripheral ring of a sector mold for tires is formed of an assembly of plates 1 resting against each other and stacked in such a manner as to push each other back. The ring therefore has a continuous tendency to increase in diameter. This tendency is resisted, for instance, by a conical hoop which simultaneously pushes all the plates 1 radially in molding direction.

REFERENCES:
patent: D316386 (1991-04-01), Fujiki
patent: 2731689 (1956-01-01), Fannen
patent: 3779677 (1973-12-01), Greenwood
patent: 3999907 (1976-12-01), Pappas
patent: 4691431 (1987-09-01), Hayata
patent: 4708609 (1987-11-01), Yoda et al.
patent: 4895692 (1990-01-01), Laurent et al.
patent: 4931004 (1990-06-01), Fogarasi et al.
patent: 5120209 (1992-06-01), MacMillan

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