Tire retreading automatic press

Details Tire retreading automatic press Tire retreading automatic press

1979-01-15

1980-05-20

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 33, 425 43, B29H 504

Patent

active

042037131

ABSTRACT:
An automatic press for tire retreading is described which comprises a basic fixed stamp or mold, a plurality of movable radial sectors cooperating with the stamp or mold, and a vertical axis frame jointed to the fixed stamp. The frame is substantially shaped as a double bell and has a suitable radial opening. Along the edges of the frame, the perimetrical borders of a band which is comparable to an opened air tube, are fixed by means of annular elements; the air tube is blown-up through the air space defined by the bell frame by means of a valve. A suction valve which allows the air to be exhausted from the chamber without the necessity of providing for a pump is also provided.

REFERENCES:
patent: 2337857 (1943-12-01), Soderquist
patent: 2854693 (1958-10-01), Robbins
patent: 3337917 (1967-08-01), Balle

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