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US3630776A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for cleaning selectively fused master

Assignee: AB Dick Co
•
Filing: 1969-12-08
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Granted: 1971-12-28
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Expires: 1989-12-08
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Abstract

Abstract A roller having a relatively long napped loose-woven limp fabric on the surface thereof is rotated against the surface of a selectively fused electrostatic master to remove unwanted partially fused specks of material. The roller is rotated partially submerged in a liquid into which the removed material is deposited.

Inventors

  • 👤 Frederick E Barr

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 22:14
CPC Classifications
G; G03; G03G; G03G21/00; G03G21/0005; G03G21/0035

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 30 words
The method of claim 1 wherein said material is disposed on the surface of a roller, and said roller is rotated so that it moves in contact with said surface.
Claim 2
Dependent Claim 17 words
The method of claim 2 wherein said surface is moved relatively with respect to the rotating roller.
Claim 3
Dependent Claim 23 words
The method of claim 3 wherein said roller is rotated in the same direction as the surface where said material contacts said surface.
Claim 4
Independent Claim 74 words
A device for removing partially fused small particles from an electrostatically developed image on the surface of an article comprising, a member having a long nap loose limp fiber material, trough means adapted to contain liquid means mounting said member with The material at least partially disposed therein, and means disposed to move the article and said member relatively with said surface of said article in contact with the material disposed in the trough.
Claim 5
Dependent Claim 20 words
The invention as defined in claim 5 wherein said member is a roller having said material on the surface thereof.
Claim 6
Dependent Claim 25 words
The invention as defined in claim 5 wherein said means to move said article and member includes means to move said article past said member.
Claim 7
Dependent Claim 35 words
The invention as defined in claim 5 wherein said member is a roller with the material on the surface thereof, and means to move the article and said member includes means to rotate said roller.

References Cited (Backward Citations)

US1454703A Cited
US3128683A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-12-27 1975-06-28 1975-12-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-12-27 1979-06-28 1979-12-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-12-27 1983-06-28 1983-12-28 $7700.00 Window Closed / Lapsed

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