Manufacture of moulded articles

Details Manufacture of moulded articles Manufacture of moulded articles

B - Operations, Transporting

29

D

18/157

B29D 30/06 (2006.01) B29C 45/02 (2006.01)

Patent

CA 1072277

ABSTRACT OF THE DISCLOSURE A method and apparatus is provided whereby the three components (sidewalls and tread) of a pneumatic tyre 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 resevoir 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 resevoir(s) to associated mould cavities.

247833

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