Hydraulic squeeze for tire curing press

Details Hydraulic squeeze for tire curing press Hydraulic squeeze for tire curing press

1990-04-06

1992-04-07

Hoag, Willard

Plastic article or earthenware shaping or treating: apparatus

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

Plural female molds for plural preforms

425 40, 425 47, B29C 3502

Patent

active

051023199

ABSTRACT:
A modification to a multiple cavity tire press places a plurality of hydraulic cylinders beneath the lower mold half and heat platen of each mold in the press. The size of the side links of the press is adjusted so that in normal operation, the side links only bring the upper and lower mold halves into close registration and hydraulic pressure applied to the lower mold halves through the plurality of hydraulic cylinders gives the squeeze to the press halves, as well as eliminating or minimizing the malocclusion of the mold halves known in the prior art due to deflection of the respected upper and lower portions of the mold by application of mechanical squeeze.

REFERENCES:
patent: 2285389 (1942-06-01), Bostwick
patent: 3222724 (1965-12-01), Soderquist
patent: 4332536 (1982-06-01), Singh et al.
patent: 4453902 (1984-06-01), Imbert
patent: 4601648 (1986-07-01), Amano et al.
patent: 4804318 (1989-02-01), Fujieda et al.
patent: 4927344 (1990-05-01), Amano et al.

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