United States Patent [19] [ii] Patent Number: 4,741,683
Hilke et al. [45] Date of Patent: May 3, 1988
U.S. Patent May 3,1988 Sheet 3 of 3 4,741,683
[54] VULCANIZING MOLD FOR VEHICLE TIRES
[75] Inventors: Rainer Hilke, Starnberg; Gerhard Schmaderer, Cham, both of Fed. Rep. of Germany
[73] Assignee: A-Z Formen- und Maschinenbau GmbH, Munich, Fed. Rep. of Germany
[21] Appl. No.: 64,991
[22] Filed: Jun. 19,1987
[30] Foreign Application Priority Data
Jun. 23, 1986 [DE] Fed. Rep. of Germany ... 8616697[U]
[51] Int. CI." B29C 35/00
[52] U.S. CI 425/47; 425/195
[58] Field of Search 425/28 R, 47, 182, 193,
425/195
[56] References Cited
U.S. PATENT DOCUMENTS
3,520,024 7/1970 Caretta et al 425/47
3,682,576 8/1972 Gross 425/47
3,910,735 10/1975 Caretta 425/47
4,059,375 11/1977 Koch et al 425/47
4,563,139 1/1986 Yokoyama et al 425/47
FOREIGN PATENT DOCUMENTS
2139011 2/1973 Fed. Rep. of Germany 425/47
2420404 11/1975 Fed. Rep. of Germany 425/47
419588 3/1967 Switzerland 425/47
Primary Examiner—Willard Hoag
Attorney, Agent, or Firm—Becker & Becker, Inc.
[57] ABSTRACT
A vulcanizing mold for tires of vehicles. The mold includes an upper and lower sidewall part, and a closure ring that has a conical inner surface and is intended for a tread-molding ring. The guide mechanisms are provided on the conical inner surface for guiding, in a sliding manner, sliding shoes. Segments that form the tread-molding ring are rigidly connected to the sliding shoes. Sheets of sliding material are disposed on those portions of the conical inner surface that are subjected to pressure.
13 Claims, 3 Drawing Sheets
