Method and apparatus for joining superposes metal sheets

Details Method and apparatus for joining superposes metal sheets Method and apparatus for joining superposes metal sheets

1994-09-15

1996-05-21

Vo, Peter

Metal working

Method of mechanical manufacture

Assembling or joining

29243519, 29509, 295221, 723542, 723792, B21D 3106, B21D 3712, B21D 3903, B23P 1102

Patent

active

055177433

ABSTRACT:
A method and a tool set for joining superposed metal sheets are disclosed. In a first step, a preferably ring-shaped free space is provided by dislocating material of at least one sheet. Thereafter, material of all sheets is squeezed within the confines of the free space whereby material flows laterally into the free space producing an interengaging form lock.

REFERENCES:
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patent: 4306511 (1981-12-01), Ashby et al.
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patent: 4896414 (1990-01-01), Hafner
patent: 4897912 (1990-02-01), Slisinski
patent: 5051020 (1991-09-01), Schleicher
patent: 5392629 (1995-02-01), Goss et al.

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