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, 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 sectional view of the tread and buttress, taken substantially as indicated by line 3--3 of FIG. 2; 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
D233325 October 1974 Smajd
Other references
  • 1971 Tread Design Guide, p. 125, Agway 890 Truck Mud & Snow Tire, top right side of page; p. 165, Michelin XB1-Ply Tire, center left side of page.
Patent History
Patent number: D251189
Type: Grant
Filed: Jul 27, 1977
Date of Patent: Feb 27, 1979
Assignee: Uniroyal GmbH (Aachen)
Inventor: Hans J. Voegler (5120 Herzogenrath-Merkstein)
Primary Examiner: James M. Gandy
Attorney: Charles A. Blank
Application Number: 5/819,433
Classifications
Current U.S. Class: D12/148
International Classification: D1215;