Backing tool for welding

Details Backing tool for welding Backing tool for welding

1991-01-22

1992-10-27

Seidel, Richard K.

Metal fusion bonding

Seam backup means

228216, 269 3, 219160, B23K 522

Patent

active

051582252

ABSTRACT:
A hand held backing plate tool for the welding repair of holes in sheet metal panels includes a demountable backing plate which may be selected with a size and shape adapted to fit the contour of the panel adjacent the hole to be repaired. The selected backing plate is demountably attached to an insulated handle for convenient positioning by the repairman during repair. The backing plate is made of a copper base alloy to which welding metal will not adhere. The handle is made of a lightweight aluminum core including a heat transfer barrier and the outer surface of the handle is covered with an insulated hand grip. In an alternate embodiment, a mounting block is attached to one jaw of a C-clamp adjustable locking wrench to which the same variety of packing plates may be demountably attached. The locking wrench allows clamping the backing plate in position in some applications.

REFERENCES:
patent: 2449371 (1948-09-01), Dutch
patent: 3202023 (1965-08-01), Parker
patent: 3273881 (1966-09-01), Kiefer
patent: 3908490 (1975-09-01), Durham
patent: 4139930 (1979-02-01), Cox
patent: 4197611 (1980-04-01), Bell et al.
patent: 4205219 (1980-05-01), Snell
patent: 4662252 (1987-05-01), Warheit
patent: 4747588 (1988-05-01), Dillhoff

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