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Class Information
Number: 266/55
Name: Metallurgical apparatus > Means for cutting solid metal with heat, e.g., blowpipes > With means for cutting tubular workpiece > Having torch mount secured within workpiece
Description: Device wherein the torch supporting means is attached to the interior of the tubular article.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7485192 |
Steel coil cutting apparatus and method |
Feb. 3, 2009 |
| 7435373 |
Apparatus and method for thermal de-burring of slotted well liners |
Oct. 14, 2008 |
| 6508975 |
Automated internal pipe cutting device |
Jan. 21, 2003 |
| 6051803 |
Pipe cutting apparatus |
Apr. 18, 2000 |
| 5110095 |
Spacer blocks for pipe beveling and/or welding machine |
May. 5, 1992 |
| 4948101 |
Apparatus for making divergent cuts chamfered relative to a cutting surface by means of torch cutting |
Aug. 14, 1990 |
| 4667936 |
Pipe cutting apparatus |
May. 26, 1987 |
| 4659068 |
Ice basket cruciform removal tool |
Apr. 21, 1987 |
| 4600180 |
Scarfing tool |
Jul. 15, 1986 |
| 4593887 |
Cutting torch guide |
Jun. 10, 1986 |
| 4483721 |
Method and apparatus for cutting patterns through pipe |
Nov. 20, 1984 |
| 4455015 |
Steering apparatus for an autogenous cutting torch |
Jun. 19, 1984 |
| 4378934 |
Method and apparatus for salvaging large pipe elbows |
Apr. 5, 1983 |
| 4279405 |
Device for making emergency exits in a crushed transport means |
Jul. 21, 1981 |
| 4162383 |
Oxy-arc apparatus for cutting inside a pipe |
Jul. 24, 1979 |
| 4126065 |
Pipe end finishing apparatus |
Nov. 21, 1978 |
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