B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
B65H 51/06 (2006.01) B23K 37/00 (2006.01) B29C 47/10 (2006.01) B29C 47/52 (2006.01) B29C 47/86 (2006.01) B29C 65/40 (2006.01)
Patent
CA 2349377
A feeding device is provided for forwarding a pliable thermoplastic rod into a heated pressure chamber for extrusion through an outlet nozzle to effect thermoplastic welding. The device includes a block with a machined channel through the block including an arcuate inlet portion for receiving the pliable rod and a tubular outlet portion dimensioned to closely surround the rod to prevent buckling of the rod for ejecting the pliable rod under longitudinal force into the chamber. A rotatable drive disk has an outer serrated cylindrical surface engaging one side of the rod in the arcuate inlet portion so that the rod is pinched by a counteracting surface portion in the channel in opposition to the contacting portion of the disk whereby angular movement of the disk around the disk axis acts to forward the rod along its length along the channel. The disk sits in a slot cut in the block with the channel at the bottom of the slot with the same width as the slot.
Ade & Company
Drader Clarence H.
LandOfFree
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