Tire curing press with pop-up, rotating nozzle

Details Tire curing press with pop-up, rotating nozzle Tire curing press with pop-up, rotating nozzle

1984-01-23

1985-07-09

Flint, Jr., J. Howard

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 33, 425 36, 425 50, 425 58, B29H 502

Patent

active

045279462

ABSTRACT:
A pop-up, rotating nozzle in a tire curing press provides for dispersed and uniform introduction of fluid media into the upper containment portion of a curing and shaping bladder during tire cure and cooling, and yet allows for relatively close spacing of upper and lower bladder clamps such as during bladder insertion and stripping operations. The nozzle has an outlet head in communication with the interior of the bladder and a supply stem mounted in a lower bladder clamp and porting assembly of the press for both axial and rotational movement. The nozzle is movable against a spring biasing force by the upper bladder clamp to a lowermost retracted position which allows the bladder clamps to be axially spaced apart a distance substantially less than their axial spacing during cure. As the bladder clamps move apart to their respective positions for cure, the spring urges the nozzle to an elevated dispensing position locating the outlet head thereof in the upper containment portion of the bladder and closely adjacent the upper bladder clamp for more uniform circulation of fluid media with the drain located at the bottom of the bladder. The outlet head is provided with a plurality of tangentially arranged outlets or jets such that the nozzle will rotate causing a uniform and dispersed flow of fluid media throughout the interior of the bladder. The outlet head may also serve to locate the bladder clamps with respect to one another when engaged therebetween.

REFERENCES:
patent: 2736059 (1956-02-01), Frank
patent: 2997740 (1961-08-01), Soderquist
patent: 3170011 (1965-02-01), Cheney et al.
patent: 3443280 (1969-05-01), Hugger
patent: 3632712 (1972-01-01), Miller
patent: 3887313 (1975-06-01), Jaedicke et al.
patent: 4029447 (1977-06-01), MacMillan
patent: 4029449 (1977-06-01), Longaberger
patent: 4140447 (1979-02-01), Bosnakovic

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