Manufacture of moulded articles

Details Manufacture of moulded articles Manufacture of moulded articles

1976-08-17

1978-02-28

Silbaugh, Jan H.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

264 94, 264248, 264326, 264328, B29H 1700

Patent

active

040765652

ABSTRACT:
A method 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: 3825457 (1974-07-01), Holroyd et al.

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