Title:
PRODUCTION OF TIRE BLADE FORMING FINE GROOVE TO TIRE
Document Type and Number:
Japanese Patent JPH0825365
Kind Code:
A
Abstract:
PURPOSE: To inexpensively produce a tire blade not requiring a molding pin and easily cut by discharge processing.
CONSTITUTION: An almost semicircular groove 2 is gently formed to the almost central part of a thin metal plate 1 made of stainless steel or the like having a predetermined shape by a press mold and flat surfaces 3a, 3b are bent at an obtuse angle and pressed by a press mold to be bent so as to form a hairpin like cross section and superposed to be subjected to spot welding 4. Thereafter, drilling processing boring holes 5 is performed and the whole is finished by barrel finishing.
Inventors:
SUMI MITSUO
AKAGI YOSHIHIRO
AKAGI YOSHIHIRO
Application Number:
JP18510294A
Publication Date:
January 30, 1996
Filing Date:
July 15, 1994
Export Citation:
Assignee:
ICHIKAWA GIKEN KK
BRIDGESTONE CORP
BRIDGESTONE CORP
International Classes:
B60C11/12; B29C33/02; B29C35/02; B29D30/06; B29K21/00; B29K105/24; B29L30/00; (IPC1-7): B29C33/02; B29C35/02; B29D30/06; B60C11/12
Attorney, Agent or Firm:
Masaaki
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