Pneumatic tire tread and buttress

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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, and that the buttress pattern is repeated on the opposite side;

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

FIG. 3 is an enlarged, fragmentary, side elevational view of the tread and buttress of FIG. 1; and

FIG. 4 is an enlarged, sectional view of the tread and buttress, taken substantially as indicated by line 4--4 of FIG. 2.

Referenced Cited
U.S. Patent Documents
D239931 May 1976 Duncan
Other references
  • 1970 Tread Design Guide,p. 10, Uniroyal Snowplow Tire, top of page. Modern Tire Dealer, 12/75, p. 34, Steelmaster L-2 Tire, second tire down from top of page.
Patent History
Patent number: D251187
Type: Grant
Filed: Jun 15, 1977
Date of Patent: Feb 27, 1979
Assignee: Uniroyal Aktiengesellschaft
Inventors: Henri J. Mirtain (Compiegne), Paul H. Moitzheim (Aachen), Karl A. Grosch (Roetgen, Rott), Gert Schlosser (Aachen), Daniel J. M. Hensgens (Ubach-Overworms)
Primary Examiner: James M. Gandy
Attorney: Charles A. Blank
Application Number: 5/806,786
Classifications
Current U.S. Class: D12/143
International Classification: D1215;