Title:
EXPANDABLE BLADDER
Document Type and Number:
Japanese Patent JPS525877
Kind Code:
A
Abstract:
An expandable bladder for shaping a pneumatic tire, comprising a thick, substantially cylindrical center section having a multiplicity of convolutions perpendicular to the axis of the cylindrical section on the inner surface of said section, said convolutions providing local reductions in thickness and additional axial extensibility to the bladder, a pair of annular, beaded end sections extending inwardly from each end of the cylindrical center section, and reinforcing material extending through the center section and end sections to limit the axial extensibility of the bladder. This abstract is not to be taken either as a complete exposition or as a limitation of the present invention, however, the full nature and extent of the invention being discernible only by reference to and from the entire disclosure.
Inventors:
DANIERU SHITSUCHIMAN
EDOWAADO PIITAA PAAKAAPIO
EDOWAADO PIITAA PAAKAAPIO
Application Number:
JP7496676A
Publication Date:
January 17, 1977
Filing Date:
June 24, 1976
Export Citation:
Assignee:
UNIROYAL INC
International Classes:
B29C67/00; B29D30/26; B29D30/36; (IPC1-7): B29H17/00
Next Patent: ROOF STRUCTURE OF UNIT HOUSE