B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 47/20 (2006.01) B29C 47/06 (2006.01) B29C 47/12 (2006.01) B29C 47/70 (2006.01)
Patent
CA 2307785
A pipe molding apparatus uses multiple supplies of plastic to form double wall pipe. The apparatus includes die equipment having first and second delivery passages delivering the plastic from the multiple sources to a pipe mold where the pipe is formed with outer and inner walls. The die equipment includes a plastic separator which separates the plastic in advance of the delivery passages to determine which particular supply of plastic goes to which particular delivery passage.
Lupke Manfred A. A.
Lupke Stefan A.
Dennison Associates
Lupke Manfred A. A.
Lupke Stefan A.
LandOfFree
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