Joint construction for metal sheets

Details Joint construction for metal sheets Joint construction for metal sheets

1987-02-20

1989-02-21

Echols, P. W.

Stoves and furnaces

Ovens

Domestic

29509, 29521, B21D 3902, B23P 1100

Patent

active

048055921

ABSTRACT:
A joint construction for metal sheets is made by joining first and second metal sheets with the aid of a plastic working deformation. The first metal sheet is provided with first cut-up pieces to have openings therein. A portion of one end edge of the second metal sheet partly superposed on the first metal sheet is held between the openings and the first cut-up pieces and in this state it is pressed with the cut-up pieces so that the portion is pressed into the openings. The portion of the second metal sheet pressed into the openings is locked by the peripheral walls of the openings and by the cut-up piece pressing against the portion.

REFERENCES:
patent: 2916181 (1959-12-01), Pfister et al.
patent: 3286314 (1966-11-01), Oetiker
patent: 3469568 (1969-09-01), Torrey et al.
patent: 3548152 (1970-12-01), Klepzig

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