Apparatus for cutting and nibbling a sheet metal in coil form

Details Apparatus for cutting and nibbling a sheet metal in coil form Apparatus for cutting and nibbling a sheet metal in coil form

2006-06-27

2006-06-27

Crane, Daniel C. (Department: 3725)

Metal deforming

By deflecting successively-presented portions of work during...

With cutting of work or product

C072S160000, C083S049000, C083S552000, C083S916000

Reexamination Certificate

active

07065997

ABSTRACT:
An apparatus for cutting and nibbling a sheet metal (3) in coil form comprises pulling devices for pulling the sheet metal, which is delivered from a delivery bobbin or coil, and are driven by a pair of overlapping rollers (12), the sheet metal being adapted to intermittently advance, stop and move backward, the sheet metal being processed by machining heads (15,16), which are arranged at the top and bottom portions of the sheet metal and are designed for transversely move with respect to the sheet metal feeding direction.

REFERENCES:
patent: 3124290 (1964-03-01), Lloyd
patent: 3880020 (1975-04-01), Clem
patent: 4138913 (1979-02-01), Gentile
patent: 4761980 (1988-08-01), Kawashima et al.
patent: 4887502 (1989-12-01), Voges
patent: 5088181 (1992-02-01), Jeppsson
patent: 6857350 (2005-02-01), Liefer et al.
patent: 2 471 231 (1981-06-01), None
patent: 60-141342 (1985-07-01), None
patent: WO 86/01135 (1986-02-01), None

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