Bladder for shaping pneumatic tire

Details Bladder for shaping pneumatic tire Bladder for shaping pneumatic tire

1975-06-25

1976-06-15

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Reshaping, resizing or vulcanizing means for tire, tire...

Internal mold, form or support for toroid

425 43, B29H 3042, B29H 502

Patent

active

039633942

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.

REFERENCES:
patent: 2730763 (1956-01-01), Brundage
patent: 3171162 (1965-03-01), Loderquist
patent: 3640653 (1972-02-01), Laenen
patent: 3645655 (1972-02-01), Benze
patent: 3830679 (1974-08-01), Evans et al.

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