Tire curing mold

Details Tire curing mold Tire curing mold

1987-09-16

1989-05-09

Nozick, Bernard

Plastic article or earthenware shaping or treating: apparatus

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

Control means responsive to condition sensing means

425 32, 425 33, 425 38, 425 47, 425 51, B29D 2900

Patent

active

048284718

ABSTRACT:
A split mold type tire curing mold includes a plurality of sectors mounted on the mold base and movable radially inwardly to a closed position wherein the sectors cooperate to form a closed ring for exerting an inwardly directed force on the periphery of a tire during curing of the tire, the outer surface of the ring being generally cylindrical in shape, and a closing ring carried by the mold top includes an annular base portion which is moved into engagement with the sectors as the mold top is lowered during closing of the mold, the annular base portion having movably mounted on the lower peripheral edge thereof a plurality of wedge members, one for each sector, which are positioned to engage the cylindrical outer surfaces of the sectors and are then driven radially inward by the closing ring to drive the sectors to and maintain them at their closed position during the tire curing process.

REFERENCES:
patent: 2741799 (1956-04-01), Heston
patent: 3910735 (1975-10-01), Caretta
patent: 4181482 (1980-01-01), Grawey et al.
patent: 4580959 (1986-04-01), Pizzorno et al.
patent: 4653992 (1987-03-01), Baraldi
patent: 4726749 (1988-02-01), Katsumata

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