U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Apparatus for processing photographic sheet material

Patent 5452041 Issued on September 19, 1995. Estimated Expiration Date: Icon_subject September 9, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3877805

Fixing apparatus
Patent #: 4192229
Issued on: 03/11/1980
Inventor: Tsunoi ,   et al.

Transport system for processor of photosensitive web material
Patent #: 4326791
Issued on: 04/27/1982
Inventor: Beer ,   et al.

Photosensitive material guide structure for developing apparatus
Patent #: 4719484
Issued on: 01/12/1988
Inventor: Tahara ,   et al.

Pressure development roll for imaging sheets employing photosensitive microcapsules Patent #: 4864343
Issued on: 09/05/1989
Inventor: Nelson

Inventors

Assignee

Application

No. 303673 filed on 09/09/1994

US Classes:

396/604, Fluid application to one side only of photographic medium396/606By roller

Examiners

Primary: Rutledge, D.

Attorney, Agent or Firm

International Class

G03D 005/00

Abstract

An apparatus for processing photographic sheet material comprises a housing, a first roller shaft supported within the housing and first and second processing rollers rotatable on respective roller shafts supported within the housing. The second processing roller lies substantially parallel to the first, and in line contact therewith. Biasing means bias the roller shafts towards each other. Means are provided for feeding photographic sheet material between the rollers. Each of the rollers has a radially outer zone formed of deformable material and has a radial dimension profile which varies along the length thereof. Such a roller construction enables the bleeding of images on aluminium lithographic printing plates processed by the apparatus to be reduced.

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