Apparatus for perforating corrugated tubing at high speeds...

Details Apparatus for perforating corrugated tubing at high speeds... Apparatus for perforating corrugated tubing at high speeds...

B - Operations, Transporting

26

D

B26D 3/14 (2006.01) B26F 1/00 (2006.01)

Patent

CA 2129655

An apparatus (10) for perforating corrugated tubing (T) is disclosed. The apparatus (10) receives tubing (T) to be perforat- ed along an axial path coincident with the axis of the tubing (T). A plurality of feeder-cutter wheels (12) drive the tubing (T) through the apparatus and concurrently perforate the tubing in the valley of its corrugations. Each feeder-cutter wheel (10), and the drive shaft (14) each wheel (12) is mounted upon, is offset at an angle relative to the axial path, this angling facilitating un- iform perforations at higher speeds. An alternate embodiment of the apparatus has six feeder-cutter wheels (12) disposed within four distinct planes. This design permits the wheels (12) to be interchangeable with different wheels, allowing the apparatus to perforate tubing of different diameters. The alternate embodiment also offsets the wheels at an angle to facilitate perforation at high speeds than previously known in perforating apparatus.

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