Injection moulding manifold

Details Injection moulding manifold Injection moulding manifold

B - Operations, Transporting

29

C

18/711

B29C 45/22 (2006.01)

Patent

CA 1040368

Abstract of the Disclosure A manifold for dividing a stream of plasticised material into a plurality of sub-streams as a main channel terminating in an inwardly tapering end wall. A plurality of sub-channels are symmetrically arranged in the inwardly tapering end wall and are provided with transition passages inwardly tapering away from the main channel, adjoining transition passages intersecting to form intersection edges having knife like edges facing the main channel. The vertex angle of the inwardly tapering end wall and of the transition passages is less than 90° and where there are three or more sub-channels the end wall of the main channel merges substantially tangentially with the intersection edges. A manifold is particularly useful for dividing a main stream of heat sensitive plasticised material such as PVC into a plurality of sub-streams.

212230

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