Tire curing press

Details Tire curing press Tire curing press

1986-08-27

1987-10-06

Hoag, Willard E.

Plastic article or earthenware shaping or treating: apparatus

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

Internal mold, form or support for toroid

425 58, B29C 3500

Patent

active

046980032

ABSTRACT:
A tire curing press incorporates an improved seal assembly for the center mechanism or bladder assembly. The bottom or lower clamp ring assembly for the shaping bladder is normally threaded on a hub. The hub and ring assembly include cylindrical telescoping surfaces and axially facing surfaces with an O-ring or seal ring provided between the former and a harder bumper ring provided between the latter. The present invention eliminates the seal between the cylindrical surfaces and provides between the axially facing surfaces a special seal assembly which includes an annular sealing plate with a low coefficient of friction and two sealing O-rings on each side thereof. The seal assembly prevents "blow-by" and makes the parts easier to assemble and disassemble under various temperature conditions.

REFERENCES:
patent: 4527946 (1985-07-01), Singh et al.

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