B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 47/22 (2006.01) B29C 47/06 (2006.01) B29C 47/12 (2006.01) B29D 23/18 (2006.01)
Patent
CA 2063107
An apparatus for the manufacturing of plastic pipes has an injection head and half shells of which two at a time combine as a pair to form a mold. The injection head has at least one channel issuing in a sub- stantially ring-shaped nozzle, which is delimited by two components one of which being adjustable for modification of the width of the nozzle. A component directly delimiting the nozzle is tiltable in relation to the central longitudinal axis, whereby an adjustment of the width with great sensitivity is attained for such a ring-shaped nozzle.
Hegler Ralph-Peter
Hegler Wilhelm
Hegler Wilhelm
Marks & Clerk
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