US Patent No: 4,791,260

Number of patents in Portfolio can not be more than 2000

Induction type electrical wire preheater

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Importance

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Abstract

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A preheater for heating either intermediate or small size electrical wire includes left and right inductors, each having a longitudinal passageway through which the wire to be heated is passed, one inductor being fixedly mounted on a mounting plate with its passageway vertical and the other inductor being pivotally mounted on the mounting plate so that its passageway can be either positioned vertically or tilted at an angle from vertical, a lower wheel rotatably mounted on the mounting plate below the inductors, a first upper wheel sized for use with intermediate diameter wires and a second upper wheel sized for use with small diameter wires, only one of the upper wheels being mounted on the mounting plate at a time. When intermediate size wire is being run, the pivotally mounted inductor is positioned with its passageway vertical and the first upper wheel is rotatably mounted on the mounting plate above the inductors and vertically aligned with the wheel. When small size wire is being run, the pivotally mounted inductor is tilted and the second upper wheel is rotatably mounted on the mounting plate above the inductors and aligned with the tilted inductor. In use, the wire being heated passes around the upper wheel, through one inductor, around the lower wheel, through the other inductor and then around the upper wheel again.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
WST POWER ELECTRONICS, INC.PROVIDENCE, RI4

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Waldman, Myron Pawtucket, RI 3 34

Cited Art Landscape

Patent Info (Count) # Cites Year
 
ASEA Aktiebolag (1)
4,315,124 Heating modules for billets in inductive heating furnaces 11 1978
 
BICC PUBLIC LIMITED COMPANY (1)
4,221,947 Annealing of wire 4 1978
 
DAVY MCKEE (LONDON) LIMITED (1)
4,585,916 Transverse flux induction heating of metal strip 15 1983

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
The Boeing Company (32)
5,500,511 Tailored susceptors for induction welding of thermoplastic 25 1994
5,660,669 Thermoplastic welding 10 1994
5,710,412 Fluid tooling for thermoplastic welding 3 1995
5,635,094 Conformal skate for induction welding 1 1995
5,573,613 Induction thermometry 12 1995
5,486,684 Multipass induction heating for thermoplastic welding 16 1995
7,126,096 Resistance welding of thermoplastics in aerospace structure 5 1995
6,602,810 Method for alleviating residual tensile strain in thermoplastic welds 4 1995
5,808,281 Multilayer susceptors for achieving thermal uniformity in induction processing of organic matrix composites or metals 32 1995
5,793,024 Bonding using induction heating 16 1995
5,728,309 Method for achieving thermal uniformity in induction processing of organic matrix composites or metals 48 1995
5,723,849 Reinforced susceptor for induction or resistance welding of thermoplastic composites 18 1995
5,717,191 Structural susceptor for thermoplastic welding 19 1995
5,705,795 Gap filling for thermoplastic welds 7 1995
5,645,744 Retort for achieving thermal uniformity in induction processing of organic matrix composites or metals 41 1995
5,624,594 Fixed coil induction heater for thermoplastic welding 14 1995
5,829,716 Welded aerospace structure using a hybrid metal webbed composite beam 25 1995
5,756,973 Barbed susceptor for improviing pulloff strength in welded thermoplastic composite structures 8 1995
5,556,565 Method for composite welding using a hybrid metal webbed composite beam 23 1995
5,641,422 Thermoplastic welding of organic resin composites using a fixed coil induction heater 17 1995
5,760,379 Monitoring the bond line temperature in thermoplastic welds 17 1995
5,705,796 Reinforced composites formed using induction thermoplastic welding 10 1996
5,847,375 Fastenerless bonder wingbox 10 1996
5,916,469 Susceptor integration into reinforced thermoplastic composites 36 1996
5,869,814 Post-weld annealing of thermoplastic welds 5 1996
5,902,935 Nondestructive evaluation of composite bonds, especially thermoplastic induction welds 28 1997
5,833,799 Articulated welding skate 2 1997
6,040,563 Bonded assemblies 13 1997
5,935,475 Susceptor integration into reinforced thermoplastic composites 38 1998
5,925,277 Annealed thermoplastic weld 2 1998
6,613,169 Thermoplastic rewelding process 5 1998
6,284,089 Thermoplastic seam welds 25 1998
 
WST Power Electronics, Inc. (1)
4,968,866 Closed loop induction type electrical wire preheater 0 1988
 
Other [Check patent profile for assignment information] (1)
5,753,068 Thermoplastic welding articulated skate 2 1997