B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 45/26 (2006.01) B29C 45/28 (2006.01) B29C 45/30 (2006.01) B29C 45/40 (2006.01) B29C 45/74 (2006.01)
Patent
CA 2095011
2095011 9208597 PCTABS00013 An injection mould for manufacturing disc-shaped plastic articles with a central hole comprises: a first mould part (4); a second mould part (5) displaceable relative to the first mould part by means of first displacing means; which two mould parts (4, 5) are displaceable between a closed first position, in which they together partially bound a mould cavity (6) corresponding to the shape of an article for manufacture, and an open second position in which a formed article can be taken out; a third mould part (7) which, in the closed position of the first and second mould parts, extends through the mould cavity (6) defined thereby and has a shape in the region of this mould cavity which corresponds to the shape of the central hole (3), which third mould part (7) is axially displaceable by means of a guide sleeve (9) forming part of the first mould part (4) between a first position, in which it partially forms a bounding of the mould cavity, and a second retracted position; which third mould part (7) bounds a channel (10) that is conectable at the free outside end (11) to an injection nozzle (12) of an injection moulding device, and at the other side debouches with an injection inlet (13) into the region of the mould cavity (6) in the first position of the first and the second mould part and the first position of the third mould part, and in the second position of the third mould part debouches blind against the inner wall of the guide sleeve (9); and heating means (23) for keeping plastic present in the channel in the plastic state.
Fetherstonhaugh & Co.
Gpt Axxicon B.v.
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