Sheet de-curler

Details Sheet de-curler Sheet de-curler

1979-11-15

1982-04-27

Braun, Fred L.

Paper making and fiber liberation

Apparatus

Flexing, bending, straightening or decurling means

271272, 355 3SH, D21F 140, D21H 100, D21J 114

Patent

active

043269150

ABSTRACT:
An apparatus in which sheet material is decurled. The apparatus presses the sheet material into contact with a substantially rigid arcuate member in at least two regions. In this way, the sheet material moves about the arcuate member in a curved path to remove the curl therein.

REFERENCES:
patent: 2658432 (1953-11-01), Baumgartner
patent: 2918897 (1959-12-01), Zernov
patent: 3411768 (1968-11-01), Gatti
patent: 3501375 (1970-03-01), Suzuki et al.
patent: 3661703 (1972-05-01), Shelor
patent: 4002047 (1977-01-01), MacPhee et al.
patent: 4013284 (1977-03-01), Demetre
patent: 4060236 (1977-11-01), Carstedt
patent: 4119309 (1978-10-01), Mayer et al.
Acquaviva, Thomas; "Lead Edge Curl for Stripping"; Xerox Disclosure Journal; vol. No. 4, Jul./Aug. 1979; pp. 513 and 514.

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