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US3846151A Expired / Lapsed US ⏱️ 0.0 years remaining

Fixing device

Assignee: AB Dick Co
•
Filing: 1972-09-05
•
Granted: 1974-11-05
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Expires: 1992-09-05
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Abstract

Abstract APPLYING AN ANTI-STATIC AGENT TO THE SURFACE OF A SECOND ONE OF SAID TWO ROLLERS. 1. A METHOD FOR REDUCING THE TENDENCY OF A SINGLE SHEET OF A PREDETERMINED LENGTH OF COPY MATERIAL HAVING AT LEAST A RESIDUAL HIGH VOLTAGE CHARGE THEREON AND OF TONER POWDER ON SAID SHEET OF COPY MATERIAL TO ADHERE TO THE SURFACE OF ONE OF TWO ROLLERS IN PRESSURE ENGAGEMENT AT AMBIENT TEMPERATURE IN A FIXING DEVICE IN A COPY MAKING APPARATUS FOR PRESSURE FIXING AN IMAGE OF AN ORIGINAL FORMED OF SAID TONER POWDER COMPRISING THE STEPS OF PASSING SAID SHEET OF COPY MATERIAL INTO THE NIP OF SAID TWO ROLLERS TO PRESSURE FIX SAID TONER POWDER, APPLYING A RELEASE AGENT TO THE SURFACE OF A FIRST ONE OF SAID TWO ROLLERS, AND

Inventors

  • 👤 J Roteman
  • 👤 J Gogola

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 22:54
CPC Classifications
G; G03; G03G; G03G13/00; G03G13/20; G03G15/00; G03G15/20; G03G15/2092; Y; Y10; Y10S; Y10S118/00; Y10S118/01

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 113 words
A METHOD FOR REDUCING THE TENDENCY OF A SINGLE SHEET OF A PREDETERMINED LENGTH OF COPY MATERIAL HAVING AT LEAST A RESIDUAL HIGH VOLTAGE CHARGE THEREON AND OF TONER POWDER ON SAID SHEET OF COPY MATERIAL TO ADHERE TO THE SURFACE OF ONE OF TWO ROLLERS IN PRESSURE ENGAGEMENT AT AMBIENT TEMPERATURE IN A FIXING DEVICE IN A COPY MAKING APPARATUS FOR PRESSURE FIXING AN IMAGE OF AN ORIGINAL FORMED OF SAID TONER POWDER COMPRISING THE STEPS OF PASSING SAID SHEET OF COPY MATERIAL INTO THE NIP OF SAID TWO ROLLERS TO PRESSURE FIX SAID TONER POWDER, APPLYING A RELEASE AGENT TO THE SURFACE OF A FIRST ONE OF SAID TWO ROLLERS, AND
Claim 2
Independent Claim 113 words
A METHOD FOR REDUCING THE TENDENCY OF A SINGLE SHEET OF A PREDETERMINED LENGTH OF COPY MATERIAL HAVING AT LEAST A RESIDUAL HIGH VOLTAGE CHARGE THEREON AND OF TONER POWDER ON SAID SHEET OF COPY MATERIAL TO ADHERE TO THE SURFACE OF ONE OF TWO ROLLERS IN PRESSURE ENGAGEMENT AT AMBIENT TEMPERATURE IN A FIXING DEVICE IN A COPY MAKING APPARATUS FOR PRESSURE FIXING AN IMAGE OF AN ORIGINAL FORMED OF SAID TONER POWDER COMPRISING THE STEPS OF PASSING SAID SHEET OF COPY MATERIAL INTO THE NIP OF SAID TWO ROLLERS TO PRESSURE FIX SAID TONER POWDER, APPLYING A RELEASE AGENT TO THE SURFACE OF A FIRST ONE OF SAID TWO ROLLERS, AND

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-11-04 1978-05-06 1978-11-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-11-04 1982-05-06 1982-11-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-11-04 1986-05-06 1986-11-05 $7700.00 Window Closed / Lapsed

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