Mold opening and closing mechanism for a tire vulcanizer

Details Mold opening and closing mechanism for a tire vulcanizer Mold opening and closing mechanism for a tire vulcanizer

1984-04-25

1985-08-06

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

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

Means shaping drum shaped preform to tire casing shape

425 47, 4254501, B29H 502

Patent

active

045333041

ABSTRACT:
A tire vulcanizer wherein a movable upper mold is vertically moved and opened and closed relative to a fixed mold, and a ball-screw shaft construction is used as a vertically moving and opening and closing mechanism. Resilient buffer devices such as belleville springs or the like are resiliently supported on both upper and lower ends of the screw shaft. An improved slide guide construction for moving the upper mold up and down is also disclosed. A slide support is provided on an engaging end with respect to the guide of the slide, and the slide support is brought into engagement with the guide in such a way that a clearance therebetween may be adjusted.

REFERENCES:
patent: 1289775 (1918-12-01), Hopkinson
patent: 1755563 (1930-04-01), Schnedarek
patent: 1872158 (1932-08-01), Maynard
patent: 2375784 (1945-05-01), Glynn
patent: 3918861 (1975-11-01), Klose
patent: 3936251 (1976-02-01), Billey
patent: 3990822 (1976-11-01), MacMillan
patent: 4076473 (1978-02-01), MacMillan

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