Manufacture of pneumatic tires

Details Manufacture of pneumatic tires Manufacture of pneumatic tires

1977-07-26

1979-01-30

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

425572, 425588, 425127, 425128, 156125, B29H 310, B29G 300, B29H 502

Patent

active

041370333

ABSTRACT:
A pneumatic tire is moulded using a mould core of cured rubber the radial sectional shape of which is the same as the internal radial sectional configuration of the finished tire. The opposite sides of the core are supported by fitting plates while a tread portion of tire is moulded onto the exposed outer periphery of the core. Thereafter the side plates are removed in turn and replaced by sidewall mould halves enabling sidewalls to be moulded against the core in contact with the tread portion.

REFERENCES:
patent: 2672914 (1954-03-01), Weigold et al.
patent: 2710425 (1955-06-01), Rhodes
patent: 2724425 (1955-11-01), Ostling
patent: 2744290 (1956-05-01), Corson
patent: 3457594 (1969-07-01), Bavdou
patent: 3645655 (1972-02-01), Benege
patent: 4059375 (1977-11-01), Koch et al.

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