Metal plate with a screw bore

Details Metal plate with a screw bore Metal plate with a screw bore

1994-05-24

1995-06-20

Wilson, Neill R.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Internally threaded fastener element, e.g., nut, etc.

Thread structure

411104, 411918, 470 26, F16B 3700, F16B 3716

Patent

active

054256100

ABSTRACT:
The invention relates to a metal plate (10) with a screw bore (16) starting at one narrow side of the plate and running parallel to the plate surfaces (10a,b), which screw bore (16) is formed in a simple manner in that first recesses, for example through holes (11), are provided and subsequently the metal portions (13) formed between the recesses (11) are alternately stamped in the direction of the one and the other plate surface (10a, 10b), such that the outer surfaces (14a, 15a) of the stamped parts lie flush with the relevant plate surfaces (10a, 10b).

REFERENCES:
patent: 2818764 (1958-01-01), Switzer
patent: 2969549 (1961-01-01), Mills
patent: 3006231 (1961-10-01), Kahn

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