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Class Information
Number: 228/49.3
Name: Metal fusion bonding > With means to handle work or product > Including means to orient work or position work portion relative to another work portion > Pipe joint aligner
Description: Apparatus wherein the means is provided for juxtaposing meeting faces of a pair of hollow cylindrical bodies.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7617963 |
Apparatus and method for repairing welded elbow joints in a core spray line |
Nov. 17, 2009 |
| 7540401 |
Method and device for welding pipes |
Jun. 2, 2009 |
| 7410087 |
Welding backup systems for heat-sink or purge purposes |
Aug. 12, 2008 |
| 7398909 |
Pipe collets |
Jul. 15, 2008 |
| 7195143 |
Boiler tube alignment clamp |
Mar. 27, 2007 |
| 7112358 |
Self-adhesive purge dam for retaining purge gas around a weld zone |
Sep. 26, 2006 |
| 7048174 |
Adaptable spring force clamping apparatus and methods |
May. 23, 2006 |
| 6983525 |
Alignment clamp |
Jan. 10, 2006 |
| 6953142 |
Method and apparatus for locating and holding a flange |
Oct. 11, 2005 |
| 6915943 |
Tetherless internal line-up unit for pipeline welding |
Jul. 12, 2005 |
| 6840433 |
Method and device for welding pipes |
Jan. 11, 2005 |
| 6824038 |
Method and tool for aligning piping components |
Nov. 30, 2004 |
| 6729529 |
System and method for cutting and orbital welding thin-walled tubing |
May. 4, 2004 |
| 6719186 |
Method and apparatus for end-to-end welding of lined pipe |
Apr. 13, 2004 |
| 6662994 |
Jig for welding pipe ends |
Dec. 16, 2003 |
| 6651967 |
Alignment clamp |
Nov. 25, 2003 |
| 6646219 |
Tube clamping assembly |
Nov. 11, 2003 |
| 6641029 |
Guide assembly for cutting torch |
Nov. 4, 2003 |
| 6641124 |
Pipe aligning device |
Nov. 4, 2003 |
| 6572002 |
Device for the positioning of an operating member, and a welding apparatus using the same |
Jun. 3, 2003 |
| 6533246 |
Shoe clamp |
Mar. 18, 2003 |
| 6450395 |
Method and apparatus for friction stir welding tubular members |
Sep. 17, 2002 |
| 6435495 |
Back-up clamp component |
Aug. 20, 2002 |
| 6425709 |
Line up of pipes or pipe components |
Jul. 30, 2002 |
| 6398100 |
Back-up clamp |
Jun. 4, 2002 |
| 6386421 |
Actuation system for an internal backup ring assembly |
May. 14, 2002 |
| 6349869 |
Welding clamp |
Feb. 26, 2002 |
| 6283361 |
General-purpose jig |
Sep. 4, 2001 |
| 6220498 |
Apparatus and method for welding and inspecting coiled tubing |
Apr. 24, 2001 |
| 6161296 |
Alignment device for use in welding |
Dec. 19, 2000 |
| 6098866 |
Diffusion bonding apparatus for pipes |
Aug. 8, 2000 |
| 6070784 |
Contact backup roller approach to FSW process |
Jun. 6, 2000 |
| 6039235 |
Pipe aligner having flexible linkages |
Mar. 21, 2000 |
| 6016948 |
Method of forming pipe spigot ridge |
Jan. 25, 2000 |
| 5996878 |
Method of welding 5-G pipe |
Dec. 7, 1999 |
| 5865430 |
Alignment clamp and method for its use |
Feb. 2, 1999 |
| 5816475 |
Pipe clamp |
Oct. 6, 1998 |
| 5785235 |
Purge block |
Jul. 28, 1998 |
| 5767491 |
Heating apparatus for making a continuous longitudinal seam weld on a laminated packaging material web |
Jun. 16, 1998 |
| 5673843 |
Transportable pipe welding and fabrication station |
Oct. 7, 1997 |
| 5601225 |
Welding apparatus |
Feb. 11, 1997 |
| 5597108 |
Plug style pipe line-up clamp with copper back-up shoes |
Jan. 28, 1997 |
| 5568893 |
Internal welding fixture |
Oct. 29, 1996 |
| 5535938 |
Internal line up clamp |
Jul. 16, 1996 |
| 5481793 |
Hook and bolt type boiler wall tube tool |
Jan. 9, 1996 |
| 5435479 |
Cylinder rounding and clamping fixture for welded joints |
Jul. 25, 1995 |
| 5398862 |
Apparatus and method for providing shielded atmosphere for welding |
Mar. 21, 1995 |
| 5364013 |
Apparatus for connecting pipe sections |
Nov. 15, 1994 |
| 5361972 |
Purge strap for welding |
Nov. 8, 1994 |
| 5356067 |
Internal line up clamp |
Oct. 18, 1994 |
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