Molding machine with expandable chamber and locking means

Details Molding machine with expandable chamber and locking means Molding machine with expandable chamber and locking means

1979-04-23

1980-07-15

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 22, 425 23, 425 43, 425 47, B29H 504

Patent

active

042126053

ABSTRACT:
The disclosure relates to a novel molding machine which includes the usual matrices and bead aligner wheels but additionally includes an expandable chamber adapted to receive a pressurized medium therewithin and thereby to expand and urge the matrices into intimate face-to-face engagement, together with locking means in the form of a plurality of locking slides for locking the matrices in intimate engagement.

REFERENCES:
patent: Re18808 (1933-04-01), Brundage
patent: 1844962 (1932-02-01), Kuhlke
patent: 1895296 (1933-01-01), Shook et al.
patent: 1948768 (1934-12-01), Shook
patent: 2000406 (1935-05-01), Michelson
patent: 2417794 (1947-03-01), Weiner
patent: 2826783 (1958-03-01), Robbins
patent: 2835921 (1958-05-01), White
patent: 2869173 (1959-01-01), Van Hartesveldt et al.
patent: 3184794 (1965-05-01), Sherkin
patent: 3310842 (1967-03-01), Fischback
patent: 3465385 (1969-09-01), Zangl
patent: 3677685 (1972-07-01), Aoki
patent: 3793420 (1974-02-01), Fredricks
patent: 3809739 (1974-05-01), Gelin
patent: 3833333 (1974-09-01), Britten
patent: 3847520 (1974-11-01), Plumhans
patent: 4022554 (1977-05-01), MacMillan
patent: 4043730 (1977-08-01), Bettonica

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