Automatic cutting of pieces in a sheet material

Details Automatic cutting of pieces in a sheet material Automatic cutting of pieces in a sheet material

2006-04-11

2006-04-11

Corcoran, Gladys J P (Department: 1733)

Cutting

With product handling means

By fluid current

C156S523000, C156S530000

Reexamination Certificate

active

07024976

ABSTRACT:
Pieces are cut out from a sheet material by means of an installation comprising a cutting-out table (12) receiving the sheet material (30) from a loading station (12), and an unloading station (16) for unloading cut-out pieces. A flexible sealing film (32) is brought onto the sheet material upstream from the cutting-out table, and it is applied by establishing suction at the surface of the cutting-out table. After cutting-out, at least the skeleton (32′) of the sealing film is separated at the downstream end of the cutting-out table in order to be recovered. The recovery is preformed by automatic winding-up outside the unloading station, it being possible to deposit fastenings on the sealing film so that they straddle the cutting-out lines, or else said recovery is performed by sucking up the fragments of sealing film by means of a rotary member bearing against the sheet material.

REFERENCES:
patent: 3682750 (1972-08-01), Gerber
patent: 5080297 (1992-01-01), Blaimschein
patent: 5101747 (1992-04-01), Gerber
patent: 6050164 (2000-04-01), Kuchta
patent: 6521074 (2003-02-01), Chabirand Garconnet et al.
patent: 28 19 441 (1979-11-01), None
patent: 42 04 756 (1993-05-01), None
patent: 43 44 814 (1995-06-01), None

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