B - Operations – Transporting – 26 – D
Patent
B - Operations, Transporting
26
D
B26D 3/16 (2006.01) B23D 45/02 (2006.01) B23D 45/10 (2006.01) B23D 45/12 (2006.01) B23D 47/04 (2006.01) B26D 3/18 (2006.01) B26D 7/02 (2006.01) B26F 1/00 (2006.01) B29C 37/00 (2006.01)
Patent
CA 2131278
An apparatus for cutting slots in corrugated and twin-wall pipes that have annular elevations alternating with annular impressions, comprises a machine frame with a pipe duct and a lifting carriage for moving a pipe through the pipe duct. Two groups of holding and centering levers are provided which are engageable with a pipe for straightening and retaining the latter axially and radially. Further, saws are provided which are disposed between two groups of holding and centering levers on the machine frame and which are movable to reciprocate lineally and radially in relation to the axis of the pipe duct.
Hegler Ralph-Peter
Hegler Wilhelm
Hegler Wilhelm
Marks & Clerk
LandOfFree
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