Automatic production molds

Details Automatic production molds Automatic production molds

1973-08-27

1976-12-14

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Product or preform repair or restoring means

Tire recapping, rebeading or sidewall replacing means

425 43, 425 52, B29H 504, B29H 518

Patent

active

039972844

ABSTRACT:
This disclosure relates to a retreading mold having relatively movable platens, a bead aligner wheel carried by each platen, a bladder disposed between the bead aligner wheels, a continuous uninterrupted rib carried by each bead aligner wheel for hermetically sealing against the exterior surface of the bladder, the bladder including a pair of innermost edges, and each of the edges being in further hermetic sealing contact with its associated bead aligner wheel at a point radially inboard of the sealing rib whereby an annular portion of each bead aligner wheel is spanned by a portion of the bladder to form therewith a hermetically sealed annular chamber.

REFERENCES:
patent: 2791805 (1957-05-01), White
patent: 2834049 (1958-05-01), White
patent: 3585686 (1971-06-01), Balle
patent: 3701615 (1972-10-01), Johnson

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