Fluid supply/discharge head of bladder in tire vulcanizing...

Details Fluid supply/discharge head of bladder in tire vulcanizing... Fluid supply/discharge head of bladder in tire vulcanizing...

2007-08-28

2007-08-28

Mackey, James P. (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

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

Toroidal or annular female shaping means and coacting means...

C425S052000

Reexamination Certificate

active

10541658

ABSTRACT:
By increasing an area of the fluid discharge ports to increase a discharge capacity, drain water can quickly be discharged. Furthermore, the number of fluid supply ports is increased and the ports are equally spaced to thereby quickly and uniformly fill a heated steam or the like into a bladder. As a result, it is possible to reduce a cycle time of a tire vulcanizing step to thereby increase productivity in a fluid supply/discharge head of the bladder in a tire vulcanizing machine. In the tire vulcanizing machine, the fluid supply ports and the fluid discharge ports which are open to face an inside of the bladder are formed in the head block, the fluid discharge ports are disposed on the lower side of the head block, the fluid supply ports are disposed on the upper side of the head block, and the fluid discharge ports and the fluid supply ports are not disposed on the same plane.

REFERENCES:
patent: 3329748 (1967-07-01), Hugger
patent: 4684338 (1987-08-01), Steidl et al.
patent: 4863360 (1989-09-01), Chuchanis
patent: 5147656 (1992-09-01), Kubota et al.
patent: 5378425 (1995-01-01), Kubota et al.
patent: 0980043 (1965-01-01), None
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patent: 2000-108128 (2000-04-01), None
patent: 2001-30270 (2001-02-01), None
patent: 2002-120228 (2002-04-01), None

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