B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/751
B29C 47/02 (2006.01) F16J 15/16 (2006.01)
Patent
CA 1152276
ABSTRACT OF THE DISCLOSURE Steel pipes pass through an extruder with a low-pressure antechamber for obtaining suction of an extruded jacket against the pipe. The entrance to that antechamber is sealed by a combination of rubber elastic and spring steel disks, the latter having tongues that are deflected by the pipe entering the chamber, the tongues of one disk sealingly covering the slots of an adjacent disk.
372467
Landgraf Helmut
Stucke Walter
Fetherstonhaugh & Co.
Mannesmann Aktiengesellschaft
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