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Class Information
Number: 266/51
Name: Metallurgical apparatus > Means for cutting solid metal with heat, e.g., blowpipes > Means for removing surface material, e.g., scarfing
Description: Device wherein means are provided to cut defects from the face of a workpiece.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7435373 |
Apparatus and method for thermal de-burring of slotted well liners |
Oct. 14, 2008 |
| 7425298 |
Thermal deburring machine |
Sep. 16, 2008 |
| 7377987 |
Steel cutting system and method |
May. 27, 2008 |
| 6713016 |
System for thermally treating workpieces with an explosive gas mixture, in particular, a thermal deburring system |
Mar. 30, 2004 |
| 6537386 |
Apparatus and method for surface treatment of metal articles |
Mar. 25, 2003 |
| 6440229 |
Lower pre-heat block for use in metal scarfing apparatus |
Aug. 27, 2002 |
| 6277322 |
Deburring apparatus |
Aug. 21, 2001 |
| 6174491 |
Lower pre-heat block for use in metal scarfing apparatus |
Jan. 16, 2001 |
| 5773785 |
Plasma cutting apparatus for concrete structures |
Jun. 30, 1998 |
| 5747771 |
Method and apparatus for forming blind slots including laser melting and gas vortex |
May. 5, 1998 |
| 5520370 |
Gas distribution manifold for metal scarfing apparatus |
May. 28, 1996 |
| 5497976 |
Lower block assembly for use in metal scarfing apparatus |
Mar. 12, 1996 |
| 5358221 |
Block assembly for use in metal scarfing apparatus |
Oct. 25, 1994 |
| 5333841 |
Nozzle insert for use in metal scarfing apparatus |
Aug. 2, 1994 |
| 5312091 |
Method and device for deburring especially a steel strip cut into slabs |
May. 17, 1994 |
| 5304256 |
Scarfing method |
Apr. 19, 1994 |
| 5234658 |
Scarfing apparatus |
Aug. 10, 1993 |
| 5192013 |
Scarfing apparatus |
Mar. 9, 1993 |
| 5071105 |
Gas torch with visual observation device |
Dec. 10, 1991 |
| 4925499 |
Method of and an apparatus for controlling a quantity of an explosive gas mixture in a workpiece treatment chamber |
May. 15, 1990 |
| 4826541 |
Method of thermal deburring of metal parts |
May. 2, 1989 |
| 4819917 |
Apparatus for deburring workpieces by gas detonation |
Apr. 11, 1989 |
| 4802654 |
Thermopulse apparatus for deburring parts |
Feb. 7, 1989 |
| 4796867 |
Apparatus for thermal deburring of parts |
Jan. 10, 1989 |
| 4796868 |
Apparatus for thermal deburring of parts |
Jan. 10, 1989 |
| 4765597 |
Scarfing nozzle |
Aug. 23, 1988 |
| RE32511 |
Method and apparatus for making instantaneous scarfing cuts |
Sep. 29, 1987 |
| 4633620 |
System for processing of steel billets or the like to remove surface defects |
Jan. 6, 1987 |
| 4615377 |
Method of striping hot steel slabs |
Oct. 7, 1986 |
| 4601762 |
Methods for conditioning metal products |
Jul. 22, 1986 |
| 4600180 |
Scarfing tool |
Jul. 15, 1986 |
| 4583718 |
Nozzle for cutting beard removal |
Apr. 22, 1986 |
| 4566676 |
Short tip for a torch and a torch type tool |
Jan. 28, 1986 |
| 4441935 |
Apparatus and method for scarfing |
Apr. 10, 1984 |
| 4405382 |
Scarfing burner arrangement |
Sep. 20, 1983 |
| 4405383 |
Method and apparatus for a surface stripping treatment of objects consisting of iron with a high carbon content |
Sep. 20, 1983 |
| 4389038 |
Scarfing apparatus |
Jun. 21, 1983 |
| 4373969 |
Method of removing cracks, and multiple-shape torch for carrying out the method |
Feb. 15, 1983 |
| 4340163 |
Apparatus for removal of internal flash from electric-welded pipes |
Jul. 20, 1982 |
| 4337099 |
Method and apparatus for conditioning of steel surface |
Jun. 29, 1982 |
| 4336923 |
Steel surface inspection apparatus |
Jun. 29, 1982 |
| 4324389 |
Device for scarfing the surface of a metal workpiece |
Apr. 13, 1982 |
| 4318439 |
Hot steel cutting apparatus |
Mar. 9, 1982 |
| 4287005 |
Instantaneous scarfing by means of a pilot puddle |
Sep. 1, 1981 |
| 4254942 |
Scarfing torch |
Mar. 10, 1981 |
| 4243436 |
Instantaneous scarfing by means of a pilot puddle |
Jan. 6, 1981 |
| 4217850 |
Apparatus for flamescarfing |
Aug. 19, 1980 |
| 4175729 |
Method and apparatus for producing metal blanks, in particular steel slabs, which at least in a predetermined surface area have substantially no defects |
Nov. 27, 1979 |
| 4161413 |
Method and apparatus for producing a post-mixed, stabilized scarfing pre-heating flame |
Jul. 17, 1979 |
| 4154627 |
Torch traversing method |
May. 15, 1979 |
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