Sectional mold for the tire casings

Details Sectional mold for the tire casings Sectional mold for the tire casings

1975-03-31

1976-11-09

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

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

Sectional female mold including locking or clamping assembly...

425 46, 425 38, B29H 502

Patent

active

039908232

ABSTRACT:
Sectional molds for tires wherein radially movable sectors are mounted in a permanent way on a fixed lower casing of the mold in such a way that the sections do not have to be lifted and pulled up with a movable upper platform, when the press of the mold is opening. The sectors are connected to the lower casing which supports them by connecting means such as linked struts that are operatively associated with the sectors, at the beginning of the opening of the mold, having at the same time a slight lifting movement parallel to the lower casing and a slight radial backward movement assuring the detachment of the sectors with respect to the tread of the molded tire.

REFERENCES:
patent: 1179898 (1916-04-01), Coffey et al.
patent: 3461502 (1969-08-01), Turk et al.
patent: 3464090 (1969-09-01), Cantasutti
patent: 3713929 (1973-01-01), Bottasso et al.
patent: 3779677 (1973-12-01), Greenwood
patent: 3833323 (1974-09-01), Pasch
patent: 3847520 (1974-11-01), Plumbaus
patent: 3850555 (1974-11-01), Pasch
patent: 3852006 (1974-12-01), Irie
patent: 3854853 (1974-12-01), Mirtain

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