Slide falling prevention device in a tire vulcanizer

Details Slide falling prevention device in a tire vulcanizer Slide falling prevention device in a tire vulcanizer

1988-04-05

1989-04-18

Hoag, Willard

Plastic article or earthenware shaping or treating: apparatus

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

Plural female molds for plural preforms

72436, 100 53, 425151, 425406, B29C 3320, B29C 3500

Patent

active

048222666

ABSTRACT:
A slide falling prevention device in a tire vulcanizer including a vulcanizer frame, a fixed lower die fixedly located on the vulcanizer frame, a slide adapted to be lifted and lowered along the frame, a movable upper die retained to the slide and adapted to be vertically opened and closed relative to the lower die, a vertically moving member provided at a central position of the slide for opening and closing the upper die, a hollow pressure member provided at the central position of the slide for applying pressure to the upper die, said hollow pressure member being located diametrically outside the vertically moving member in such a manner as to be concentrical to and separate from the vertically moving member, a pressure device mounted to the vulcanizer frame in such a manner as to surround the hollow pressure member, an upper die height adjusting mechanism for connecting the slide with the hollow pressure member; and a movable pressure member provided in the pressure device and a locking member disengageably mounted to the movable pressure member in such a manner as to surround the hollow pressure member, wherein when the hollow pressure member is lifted to open the upper die, the locking member is engaged with a lower end of the hollow pressure member, while when the hollow pressure member is lowered to close the upper die, the locking member is engaged with an intermediate position of the hollow pressure member.

REFERENCES:
patent: 1905463 (1933-04-01), Grange
patent: 2346519 (1944-04-01), Tornberg
patent: 2482072 (1949-09-01), Soderquist
patent: 3240653 (1966-03-01), Mattox et al.

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