Pneumatic tire tread and buttress

- Uniroyal GmbH
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Description

FIG. 1 is a perspective view, partly schematic, of a pneumatic tire tread and buttress embodying my new design, it being understood that the pattern is repeated throughout the circumference of the tread and buttress, as shown schematically by solid lines;

FIG. 2 is an enlarged, fragmentary developmental plan view of the tread and buttress of FIG. 1; and

FIG. 3 is an enlarged, sectional view of the tread and buttress, taken substantially as indicated by line 3--3 of FIG. 2.

Referenced Cited
U.S. Patent Documents
D193379 August 1962 French
D238420 January 1976 Verdier
Other references
  • Tire Review, 4/73, p. 55, 237 Truck Tire, bottom right side of page. Modern Tire Dealer, 12/75, p. 34, Steelmaster L-2 Tire, second tire down from top of page.
Patent History
Patent number: D251661
Type: Grant
Filed: Apr 5, 1978
Date of Patent: Apr 24, 1979
Assignee: Uniroyal GmbH
Inventors: Karl A. Grosch (Roetgen), Paul H. Moitzheim (Aachen), Gert Schloesser (Aachen), Daniel J. M. Hensgens (Ubach-Overworms)
Primary Examiner: James M. Gandy
Attorney: Charles A. Blank
Application Number: 5/893,559
Classifications
Current U.S. Class: D12/143
International Classification: D1215;