Center mechanism for tire vulcanizer

Details Center mechanism for tire vulcanizer Center mechanism for tire vulcanizer

1996-05-16

1998-07-07

Mackey, James P.

Plastic article or earthenware shaping or treating: apparatus

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

Control means responsive to condition sensing means

425 48, 425 52, B29C 3302

Patent

active

057765073

ABSTRACT:
A center mechanism for a tire vulcanizer having a first cylinder whose stroke can be detected with a simplified structure achieves reduction in cost and improvement in working efficiency upon maintenance. The center mechanism expands, while the first cylinder 1 moves downwardly, a bladder 5 into close contact with an inner face of a green tire. A downward stop position of the first cylinder 1 is set in advance by a linear sensor 14. The stroke amount of the first cylinder 1 is detected by a stroke bracket 12 having a stroke portion 12a extending downwardly in parallel to the first cylinder 1 from within a stem 8 and provided so as to advance into the stem 8 together with a cylinder rod 1a, and a linear sensor 14 for detecting the stroke amount of the first cylinder 1 from the stroke portion 12a of the stroke bracket 12 remaining outside the stem 8.

REFERENCES:
patent: 1418635 (1922-06-01), Finn
patent: 4359675 (1982-11-01), Miller, III
patent: 4368015 (1983-01-01), Kawahara et al.
patent: 4695235 (1987-09-01), Ichikawa et al.
patent: 5015165 (1991-05-01), Ozaki et al.
patent: 5221500 (1993-06-01), Gent et al.
patent: 5223273 (1993-06-01), Irie et al.
patent: 5314648 (1994-05-01), Ichikawa et al.

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