B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/758
B29C 49/48 (2006.01) B29C 49/00 (2006.01) B29C 33/02 (2006.01) B29C 35/16 (2006.01)
Patent
CA 1170808
ABSTRACT OF THE DISCLOSURE The present invention provides an apparatus for the production of plastics pipes with transverse grooves, in which half shells provided with a mould recess are arranged on a machine bed and driven in a cycle so that respective pairs thereof com- plete a mould on a moulding path, an injection head of an ex- truder being located at the start of the moulding path, and furthermore the half shells being each provided with vacuum channels communicating with the respective mould recess, said channels joining into vacuum connections formed in the machine bed in the moulding path, and the half shells being provided with cooling channels which join into cooling water inlets and outlets formed in the machine bed in the moulding path, charac- terised in that the cooling channels on the one hand and the vacuum channels on the other hand are completely separated from each other in the respective half shells.
401720
Hegler Ralph-Peter
Hegler Wilhelm
Hegler Wilhelm
Marks & Clerk
LandOfFree
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