Machine for molding and curing tread rings for pneumatic tires

Details Machine for molding and curing tread rings for pneumatic tires Machine for molding and curing tread rings for pneumatic tires

1976-02-26

1976-11-30

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Press forming means, press reshaping means, or vulcanizing...

Roll and coacting stationary shaping surface

425335, 425340, 425384, 425394, B29C 304, B29H 522, B29H 700

Patent

active

039946533

ABSTRACT:
A machine to perform in one single operating cycle the molding and curing of tread rings for pneumatic tires, including a central drum rotating around its own axis and translatable about itself, surrounded by a stationary annular carrying structure, carrying radially a plurality of hydraulic or pneumatic double acting cylinders, each rod of the said cylinders being provided at its end turned towards the drum with a mold carrying platen to which there is fixedly secured the mold which is part of a complete annular form and which is part of a complete annular form and which may radially translate with synchronous movement, either going near or away from the surface of the said central drum.

REFERENCES:
patent: 2609568 (1952-09-01), Getchell
patent: 3121912 (1964-02-01), Dieckmann
patent: 3142091 (1964-07-01), Curtiss
patent: 3271504 (1966-09-01), Bergstrom et al.
patent: 3768946 (1973-10-01), Matuschke
patent: 3829271 (1974-08-01), Taylor
patent: 3852012 (1974-12-01), Pfeiffer
patent: 3871810 (1975-03-01), Geyer

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