Drain ejector in a tire vulcanizing machine

Details Drain ejector in a tire vulcanizing machine Drain ejector in a tire vulcanizing machine

1990-03-02

1991-04-30

Hoag, Willard E.

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...

425 40, 425 42, 425 58, 425383, B29C 3302, B29C 3502

Patent

active

050113925

ABSTRACT:
An ejector in a tire vulcanizing machine for ejecting the condensate of vulcanizing steam accumulated within a bladder to the outside of a tire includes a drain extraction pipe elevatably and rotatably supported in the machine and extending through a lower ring and a guide ring for clamping a lower edge portion of the bladder, a drain suction pipe extending horizontally from the top end portion of the drain extraction pipe and having its tip end portion bent downwards, an elevation drive and a rotary drive for the drain extraction pipe, and a rotary limit adjusting mechanism provided in the rotary drive. Preferably, the rotary drive is made up of a rotary shaft of a rotary cylinder mounted to the bottom end portion of the drain extraction pipe so as to be supported in an axially movable manner and a body of the rotary cylinder surrounding the rotary shaft. The rotary limit adjusting mechanism is made up of an inner gear mounted to the body and an outer gear mounted to a bracket on the side of a main body frame. Also, preferably, a rear end portion of the drain suction pipe is mounted to the top end portion of the drain extraction pipe in a manner which enables the drain suction pipe to swing up and down about a horizontal axis.

REFERENCES:
patent: 1798210 (1931-03-01), Laursen
patent: 1982674 (1934-12-01), Laursen
patent: 2025992 (1935-12-01), Laursen
patent: 3008180 (1961-11-01), Woodhall
patent: 3052920 (1962-09-01), Harris
patent: 3645660 (1972-02-01), Hugger et al.
patent: 3667881 (1972-06-01), Cimprich
patent: 3793420 (1974-02-01), Fredricks et al.

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