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Class Information
Number: 219/611
Name: Electric heating > Inductive heating > Metal working > Bonding > Tube (i.e., pipe) > Plural (e.g., end to end, etc.)
Description: Subject matter wherein a tube end is bonded together with another tube thereby forming one unit.










Patents under this class:

Patent Number Title Of Patent Date Issued
8278609 Method and device for brazing connections by induction heating Oct. 2, 2012
7256373 Apparatus and method for manufacture of a driveshaft by a pulsed magnetic force process Aug. 14, 2007
7015435 Method of magnetic pulse welding an end fitting to a driveshaft tube of a vehicular driveshaft Mar. 21, 2006
6891137 Method of magnetic pulse welding an end fitting to a driveshaft tube of a vehicular driveshaft May. 10, 2005
6860013 Method for joining suspension components Mar. 1, 2005
6813818 Method for joining vehicle frame components Nov. 9, 2004
6703594 Method of magnetic pulse welding an end fitting to a driveshaft tube of a vehicular driveshaft Mar. 9, 2004
6542217 Scent storage device, ticket and passive sequential resistor array for use with same Apr. 1, 2003
6531688 Method of magnetic pulse welding an end fitting to a driveshaft tube of a vehicular driveshaft Mar. 11, 2003
6423943 Connecting clamp, connecting apparatus and connecting method Jul. 23, 2002
6362461 Method and device for induction sealing Mar. 26, 2002
6166359 Induction heating apparatus and method for pipeline welding operations Dec. 26, 2000
6078031 Method and device for joining oilfield tubulars Jun. 20, 2000
5981921 Method of magnetic pulse welding an end fitting to a driveshaft tube of a vehicular driveshaft Nov. 9, 1999
5966813 Method for joining vehicle frame components Oct. 19, 1999
5919387 Inductive systems for bonding and joining pipes Jul. 6, 1999
5777299 Induction generator to heat metallic pipes with a continuous process under a controlled atmosphere Jul. 7, 1998
5721413 Method for heating closely spaced portions of two pipes Feb. 24, 1998
5338920 Method of manufacturing and joining electro-fusion fitting Aug. 16, 1994
5329099 Method of maintaining housing of reactor pressure vessel and heat treatment equipment therefor Jul. 12, 1994
5294769 Electric joining method of material including ceramics Mar. 15, 1994
5240167 Friction welding method with induction heat treating Aug. 31, 1993
5208443 Temperature auto-regulating, self-heating recoverable articles May. 4, 1993
5186755 Girth weld heating and coating system Feb. 16, 1993
5097585 Method of forming a composite tubular unit by expanding, low-frequency induction heating and successively quenching Mar. 24, 1992
5053595 Heat shrink sleeve with high mu material Oct. 1, 1991
4947462 Induction welding apparatus and method Aug. 7, 1990
4807801 Method of ameliorating the residual stresses in metallic duplex tubes and the like and apparatus therefor Feb. 28, 1989
4736084 Method and apparatus for heating opposing surfaces of two elements to be joined Apr. 5, 1988
4694131 Induction heating method and apparatus for relieving residual stress in welded joint between main and branch pipes Sep. 15, 1987
4687892 Inert atmosphere control for induction heated pressure welding system Aug. 18, 1987
4687894 Induction heating method and apparatus for relieving residual stress in welded joints in pipe line Aug. 18, 1987
4584453 Method and an apparatus for inductively welding a front fork of bicycle Apr. 22, 1986
4418258 Method for heat treating metal Nov. 29, 1983
4357512 Apparatus for continuous manufacture of butt-welded pipe Nov. 2, 1982
4197441 High frequency induction welding with return current paths on surfaces to be heated Apr. 8, 1980
4181845 Apparatus for tempering the weld between a tool joint connector and a drill pipe tube Jan. 1, 1980
4150274 Method for lap welding of skelps and device for effecting same Apr. 17, 1979
RE29016 Welding and forming method Oct. 26, 1976











 
 
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