Reinforced membrane

Details Reinforced membrane Reinforced membrane

1976-04-02

1976-11-02

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

B29H 518

Patent

active

039894290

ABSTRACT:
A generally annular tire curing membrane has a plurality of interconnected ribs integrally molded on its inside surface. The ribs collectively define a plurality of adjacent polygons. A portion of at least one of the ribs is disposed at an oblique angle to the circumferential centerline of the membrane. The polygons may have an infinite number of sides, thereby having a curved boundary.

REFERENCES:
patent: 1642541 (1927-09-01), Ellinwood
patent: 2452821 (1948-11-01), Wood
patent: 2695424 (1954-11-01), Madison et al.
patent: 2851729 (1958-09-01), Kalkofen
patent: 3170195 (1965-02-01), Knox
patent: 3676028 (1972-07-01), Christie et al.

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