End separating device for sheet having a backing paper

Details End separating device for sheet having a backing paper End separating device for sheet having a backing paper

1992-07-09

1993-11-09

Eickholt, Eugene H.

Typewriting machines

Sheet or web

For feeding web record-medium

156247, 156584, 225 57, 83949, B41J 1126

Patent

active

052596818

ABSTRACT:
An end separating device for a sheet having a backing paper, which can easily separate a film of the sheet from the backing paper without requiring half cutting of the sheet. A fixing and separating member is fixed to a movable blade of a cutter for cutting a tape, and another fixing and separating member is fixed to a fixed blade of the cutter. These fixing and separating members and cooperate to bend and fix a cut end portion of the tape. Accordingly, the cut end portion of the tape is bent. After the tape is released from the fixing and separating members, a film tape is elastically returned to an original condition owing to its relatively large stiffness, but a backing paper is plastically deformed at the bent portion. As a result, the film tape can be separated from the backing paper. In other embodiments of an end separating device, a separating member is passed along end surfaces of free end portions of the sheet. The separating member bends the end surfaces to plastically deform the backing paper and enable separation of the backing paper.

REFERENCES:
patent: 3429761 (1969-02-01), Bleher
patent: 3530028 (1970-09-01), Messmer
patent: 3985603 (1976-10-01), Berner
patent: 4173507 (1979-11-01), Tobey
patent: 4173510 (1979-11-01), Tobey
patent: 4177104 (1979-12-01), Parker
patent: 4312597 (1982-01-01), Shimizu et al.
patent: 4685991 (1987-08-01), Herrmann et al.
patent: 4927278 (1990-05-01), Kuzuya et al.
patent: 5066152 (1991-11-01), Kuzuya et al.

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