Method and device for bending section-sheet, plate, strip and li

Details Method and device for bending section-sheet, plate, strip and li Method and device for bending section-sheet, plate, strip and li

1980-01-30

1983-04-19

Hunt, Brooks H.

Stock material or miscellaneous articles

All metal or with adjacent metals

Nonplanar, uniform-thickness material having symmetrical...

52630, 428598, 428603, 428604, 72379, B21D 1300, B21D 1310

Patent

active

043805736

ABSTRACT:
A corrugated sheet has a bend formed by one or more straight lines of impressions extending transversely across the corrugation valleys upwardly into the valleys and adjacent portions of the side walls between the valleys and the corrugation crests, and at the ends of the impressions the side walls have indents extending outwardly away from the impressions. The number of indents and impressions depends on the extent of the bend.

REFERENCES:
patent: 3011289 (1961-12-01), Ochiltree
patent: 3310925 (1967-03-01), Brun
patent: 3395438 (1968-08-01), Seeff
patent: 3824664 (1974-07-01), Seeff

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