Claims
- 1. A welding device, comprising:
a main member; a first welding part coupled to said main member and having a first conductive end; a second welding part coupled to said main member and having a force applying mechanism applying a force in a first direction and a second conductive end extending from said force applying mechanism, said second conductive end being movable between a disengaged position and a welding position, said first and second conductive ends being opposite to and facing each other when said second conductive end is in said welding position; and a grounding element electrically coupled to said first conductive end during formation of a first weld and electrically coupled to said second conductive end during formation of a second weld.
- 2. A welding device according to claim 1, wherein
said first welding part is coupled to a first transformer, and said second welding part is coupled to a second transformer.
- 3. A combination of a welding device and weldable members, the combination comprising:
a welding device having a first welding part, a second welding part, and a grounding element, said first welding part having a first conductive end and said second welding part having a force applying mechanism and a second conductive end extending from said force applying mechanism, said second conductive end being movable between a disengaged position and a welding position; a first weldable member positioned between said first and second conductive ends; and a second weldable member positioned between said first and second conductive ends, said second conductive end being forced against said second weldable member by said force applying mechanism to couple said first and second conductive ends and said first and second weldable members together, and said first and second weldable members being joined by a first weld adjacent said first conductive end and by a second weld adjacent said second conductive end.
- 4. A combination according to claim 3, further comprising:
a grounding element contacting at least one of said first and second weldable members and being electrically coupled to said first conductive end during formation of said first weld and electrically coupled to said second conductive end during formation of said second weld.
- 5. A combination according to claim 4, wherein
said first weldable member has a longitudinal axis and a closed cross-section transverse to said longitudinal axis, or an open cross-section which does not allow access for a direct resistance spot weld.
- 6. A method of welding comprising the steps of:
providing a welding device assembly having a first welding part and a second welding part, said first welding part having a first conductive end, and the second welding part having a second conductive end; providing first and second members positioned between the first and second conductive ends with the first member having a longitudinal axis and a closed cross-section transverse to the longitudinal axis; forming a first weld between the first and second members with the first conductive end; and forming a second weld between the first and second members with the second conductive end.
- 7. A method according to claim 6, wherein
said steps of forming said first and second welds occur without moving said welding device.
- 8. A combination according to claim 4, wherein
said first weldable member has a longitudinal axis and an open cross-section transverse to said longitudinal axis.
Parent Case Info
[0001] This application claims the benefit of U.S. Provisional Application No. 60/256,494, filed on Dec. 20, 2000, the entire contents of which are incorporated herein by reference thereto.
PCT Information
Filing Document |
Filing Date |
Country |
Kind |
PCT/US01/48841 |
12/20/2001 |
WO |
|