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Class Information
Number: 219/105
Name: Electric heating > Metal heating (e.g., resistance heating) > For bonding with pressure (e.g., resistance welding) > Butt > Methods > Preparation of edges
Description: Subject matter relating to the preparation of the edges to be bonded.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6635843 |
Strip connecting apparatus and method therefore |
Oct. 21, 2003 |
| 6572003 |
Seam welding apparatus and seam welding method |
Jun. 3, 2003 |
| 6396023 |
Airtight sealing method and airtight sealing apparatus for semiconductor laser element |
May. 28, 2002 |
| 6188039 |
Projection welded panel spacer and method for making the same |
Feb. 13, 2001 |
| 6060682 |
Overlapping joint for laser welding of tailored blanks |
May. 9, 2000 |
| 5916457 |
Material to be welded for butt welding, methods of cutting as well as welding the same, and a wire |
Jun. 29, 1999 |
| 5880425 |
Method and apparatus for joining metals |
Mar. 9, 1999 |
| 5780802 |
Process for machining and butt-welding at least one edge of a sheet metal plate |
Jul. 14, 1998 |
| 5721413 |
Method for heating closely spaced portions of two pipes |
Feb. 24, 1998 |
| 5698118 |
Flash welding apparatus |
Dec. 16, 1997 |
| 5601736 |
Butt welding process using high density energy beam |
Feb. 11, 1997 |
| 5343010 |
Process for seam welding of sheet metal blanks |
Aug. 30, 1994 |
| 5260541 |
Crop shear apparatus and crop shear equipment |
Nov. 9, 1993 |
| 5183989 |
Reduced heat input keyhole welding through improved joint design |
Feb. 2, 1993 |
| 5147483 |
Implantable infusion device and method of manufacture thereof |
Sep. 15, 1992 |
| 5030313 |
Apparatus for connecting strips |
Jul. 9, 1991 |
| 5022581 |
Welding parts having different thermal expansions |
Jun. 11, 1991 |
| 4736084 |
Method and apparatus for heating opposing surfaces of two elements to be joined |
Apr. 5, 1988 |
| 4672165 |
Welding apparatus |
Jun. 9, 1987 |
| 4654500 |
Underwater arc welding |
Mar. 31, 1987 |
| 4650954 |
Process for the butt-welding of especially deep-drawable steel sheets or steel strips galvanized at least on one side |
Mar. 17, 1987 |
| 4626655 |
Method and apparatus for welding rolled bands of finite lengths to form continuous bands during a manufacturing operation |
Dec. 2, 1986 |
| 4479043 |
Controlling the zone of longitudinally seam-welding split tubes |
Oct. 23, 1984 |
| 4476370 |
Method and apparatus for shaping beads of welded steel section |
Oct. 9, 1984 |
| 4404458 |
Attachment of fork fitting to fork leg |
Sep. 13, 1983 |
| 4304977 |
Flash welding apparatus |
Dec. 8, 1981 |
| 4223196 |
Welded tubular articles and method for making the same |
Sep. 16, 1980 |
| 4190186 |
Preparation of tube for welding |
Feb. 26, 1980 |
| 4179059 |
Automatic pipe welding apparatus and method |
Dec. 18, 1979 |
| 4151392 |
Method of manufacturing electrical connector |
Apr. 24, 1979 |
| 4147913 |
Weld gap shears for a flash welding machine |
Apr. 3, 1979 |
| 4144439 |
Automatic pipe welding apparatus |
Mar. 13, 1979 |
| 4096375 |
Flash welding apparatus |
Jun. 20, 1978 |
| 4048460 |
Method of welding a cover to a container |
Sep. 13, 1977 |
| 4016394 |
Production of longitudinally welded pipe |
Apr. 5, 1977 |
| 4015071 |
Microelectronic circuit case |
Mar. 29, 1977 |
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