Manufacture of moulded articles

Details Manufacture of moulded articles Manufacture of moulded articles

1976-03-10

1977-02-01

Flint, Jr., J. Howard

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Tire body building type

156113, 156125, 156404, 425242R, 425 32, 425519, 425324R, B29H 310, B29G 300

Patent

active

040060535

ABSTRACT:
An apparatus is provided whereby the three components (sidewalls and tread) of a pneumatic tire are moulded in a single press operation using two transfer units charged with uncured rubber which are located in the press so as to discharge to the mould cavities when the press is closed, after which the press is opened to allow removal of the transfer units, (the moulded components remaining in the press) and then reclosed to assemble the components together. Each transfer unit comprises at least one reservoir for uncured rubber defined between parts of the unit which are relatively movable under the action of the press to transfer the rubber from the reservoir(s) to associated mould cavities.

REFERENCES:
patent: 1574113 (1926-02-01), Roberts
patent: 1590768 (1926-06-01), Mahoney
patent: 2672914 (1954-03-01), Weigold et al.
patent: 2724425 (1955-11-01), Ostling
patent: 2744290 (1956-05-01), Corson
patent: 3832437 (1974-08-01), Taylor

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