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Class Information
Number: 266/57
Name: Metallurgical apparatus > Means for cutting solid metal with heat, e.g., blowpipes > With means for cutting tubular workpiece > With means to rotate workpiece
Description: Device including means to revolve the tubular article about its longitudinal axis.

Patents under this class:

Patent Number Title Of Patent Date Issued
6051803 Pipe cutting apparatus Apr. 18, 2000
5886314 Pipe cutting apparatus Mar. 23, 1999
5472175 Block assembly for use in metal scarfing apparatus Dec. 5, 1995
4483721 Method and apparatus for cutting patterns through pipe Nov. 20, 1984
4480821 Apparatus for performing a work function on a tubular workpiece Nov. 6, 1984
4441695 Pipe cutting machine Apr. 10, 1984
4441696 Helical coil spring end forming Apr. 10, 1984
4412401 Apparatus for processing tubes Nov. 1, 1983
4398078 Finishing of annular articles Aug. 9, 1983
4384901 Method and apparatus for cutting and beveling pipe May. 24, 1983
4349182 Tape-controlled metal cutting apparatus Sep. 14, 1982
4344605 Apparatus for cutting the end off a coiled strip Aug. 17, 1982
4323223 Apparatus for forming a closed cut surface in a wall of a workpiece Apr. 6, 1982
4288681 Apparatus for fabricating isolated phase bus Sep. 8, 1981
4288680 Apparatus for cutting mould notches for strip steel cutting tools Sep. 8, 1981
4274621 Tubes and structures formed thereby Jun. 23, 1981
4265430 Device for marking and/or cutting pipes May. 5, 1981
4264058 Truck bolster ring renewal system Apr. 28, 1981
4248371 Welding machine Feb. 3, 1981
4242981 Apparatus for rebuilding cylindrical objects Jan. 6, 1981
4222795 Pipe cutting apparatus and method Sep. 16, 1980
4219370 Apparatus and method for cutting and beveling pipe ends Aug. 26, 1980
4150815 Pipe fitting reconditioning apparatus Apr. 24, 1979
4148467 Pipe cutting and welding apparatus Apr. 10, 1979
4135701 Automatic flame cutter for mitres with constant angle bevels on a pipe Jan. 23, 1979
4127256 Flame-cutting apparatus Nov. 28, 1978
4081651 Apparatus method for welding tank sections Mar. 28, 1978
4052039 Automatic cutting torch assembly Oct. 4, 1977
4040557 Elliptical seam welding apparatus Aug. 9, 1977
4014495 Automatic welding apparatus Mar. 29, 1977

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