US4010288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preventing evaporation of liquid on an image-bearing member
Assignee: Canon Inc
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Filing: 1975-09-19
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Granted: 1977-03-01
•
Expires: 1995-09-19
Abstract
Abstract Evaporation of an evaporative liquid on an image-bearing member bearing thereon an electrostatic latent image or a visualized image may be prevented by removing the evaporative liquid before the image-bearing member is stopped, thereby preventing the liquid from evaporating from the surface of the image-bearing member during stoppage thereof.
Inventors
- 👤 Ikuo Souma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:00
CPC Classifications
G; G03; G03G; G03G21/00; G03G21/0088; G03G15/00; G03G15/06; G03G15/10; G03G15/101
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
109 words
A method for preventing evaporation of evaporative liquid from an endless surface of a rotatable member wherein said surface bears an electrostatic latent image or a visualized image, and wherein means are provided for supplying evaporative liquid to said surface and for removing evaporative liquid from said surface, said supplying means and said removing means being circumferentially spaced along said endless surface, said method comprising the steps of removing all evaporative liquid from said surface between said supplying means and said removing means and then stopping the rotation of said rotatable member, whereby no evaporative liquid remains on the surface of said rotatable member when said member is stopped.
Claim 2
Independent Claim
109 words
A method for preventing evaporation of evaporative liquid from an endless surface of a rotatable member wherein said surface bears an electrostatic latent image or a visualized image, and wherein means are provided for supplying evaporative liquid to said surface and for removing evaporative liquid from said surface, said supplying means and said removing means being circumferentially spaced along said endless surface, said method comprising the steps of removing all evaporative liquid from said surface between said supplying means and said removing means and then stopping the rotation of said rotatable member, whereby no evaporative liquid remains on the surface of said rotatable member when said member is stopped.
Claim 3
Independent Claim
135 words
A method for preventing evaporation of evaporative liquid from an endless surface of a rotatable member wherein said surface bears an electrostatic latent image or a visualized image, and wherein means are provided for supplying evaporative liquid to said surface and for removing evaporative liquid from said surface, said supplying means and said removing means being circumferentially spaced along said endless surface, said method comprising the steps of terminating contact between the evaporative liquid from said supplying means and said surface, rotating said member at last until all the evaporative liquid on said surface between said supplying means and said removing means has been removed by said removing means, and then stopping the rotation of said rotatable member, whereby no evaporative liquid remains on the surface of said rotatable member when said member is stopped.
Claim 4
Independent Claim
135 words
A method for preventing evaporation of evaporative liquid from an endless surface of a rotatable member wherein said surface bears an electrostatic latent image or a visualized image, and wherein means are provided for supplying evaporative liquid to said surface and for removing evaporative liquid from said surface, said supplying means and said removing means being circumferentially spaced along said endless surface, said method comprising the steps of terminating contact between the evaporative liquid from said supplying means and said surface, rotating said member at last until all the evaporative liquid on said surface between said supplying means and said removing means has been removed by said removing means, and then stopping the rotation of said rotatable member, whereby no evaporative liquid remains on the surface of said rotatable member when said member is stopped.
Claim 5
Dependent Claim
34 words
A method according to claim 2, wherein said rotatable member and said supplying means are moved relative to one another to terminate contact between the evaporative liquid from said supplying means and said surface.
Claim 6
Dependent Claim
34 words
A method according to claim 2, wherein the flow of evaporative liquid to said supplying means is stopped in order to terminate contact between the evaporative liquid from said supplying means and said surface.
Claim 7
Independent Claim
139 words
A method for preventing evaporation of evaporative liquid from an endless surface of a rotatable member wherein said surface bears an electrostatic latent image or a visualized image, and wherein means are provided for supplying evaporative liquid to said surface and for removing evaporative liquid from said surface, said supplying means and said removing means being circumferentially spaced along said endless surface, said method comprising the steps of positively removing the evaporative liquid applied to said surface at a location adjacent to said supplying means, rotating said member at least until all the evaporative liquid on said surface between said supplying means and said removing means has been removed by said removing means and then stopping the rotation of said rotatable member, whereby no evaporative liquid remains on the surface of said rotatable member when said member is stopped.
Claim 8
Independent Claim
139 words
A method for preventing evaporation of evaporative liquid from an endless surface of a rotatable member wherein said surface bears an electrostatic latent image or a visualized image, and wherein means are provided for supplying evaporative liquid to said surface and for removing evaporative liquid from said surface, said supplying means and said removing means being circumferentially spaced along said endless surface, said method comprising the steps of positively removing the evaporative liquid applied to said surface at a location adjacent to said supplying means, rotating said member at least until all the evaporative liquid on said surface between said supplying means and said removing means has been removed by said removing means and then stopping the rotation of said rotatable member, whereby no evaporative liquid remains on the surface of said rotatable member when said member is stopped.
Claim 9
Dependent Claim
29 words
A method according to claim 5, wherein a frictionally slidable member is slid into contact with said surface to positively remove the evaporative liquid adjacent to said supplying means.
Claim 10
Dependent Claim
25 words
A method according to claim 5, wherein compressed air is directed against said surface to positively remove the evaporative liquid adjacent to said supplying means.
Claim 11
Dependent Claim
29 words
A method according to claim 5, wherein a further rotatable member is brought into contact with said surface to positively remove the evaporative liquid adjacent to said supplying means.
Claim 12
Dependent Claim
58 words
A method according to claim 5, wherein a frictionally slidable member is slid into contact with said surface to positively remove the evaporative liquid adjacent to said supplying means, said frictionally slidable member being interconnected with said removing means so that when said frictionally slidable member contacts said surface, said removing means is moved to an inoperative position.
Claim 13
Independent Claim
150 words
A method for preventing evaporation of evaporative liquid from an endless surface of a rotatable member wherein said surface bears an electrostatic latent image or a visualized image, and wherein means are provided for supplying evaporative liquid to said surface and for removing evaporative liquid from said surface, said supplying means and said removing means being circumferentially spaced along said endless surface, said method comprising the steps of positively removing the evaporative liquid applied to said surface at a location adjacent to said supplying means, terminating contact between the evaporative liquid from said supplying means and said surface, rotating said member at least until all the evaporative liquid between said supplying means and said removing means has been removed by said removing means, and then stopping the rotation of said rotatable member, whereby no evaporative liquid is left on the surface of said rotatable member when said member is stopped.
Claim 14
Independent Claim
150 words
A method for preventing evaporation of evaporative liquid from an endless surface of a rotatable member wherein said surface bears an electrostatic latent image or a visualized image, and wherein means are provided for supplying evaporative liquid to said surface and for removing evaporative liquid from said surface, said supplying means and said removing means being circumferentially spaced along said endless surface, said method comprising the steps of positively removing the evaporative liquid applied to said surface at a location adjacent to said supplying means, terminating contact between the evaporative liquid from said supplying means and said surface, rotating said member at least until all the evaporative liquid between said supplying means and said removing means has been removed by said removing means, and then stopping the rotation of said rotatable member, whereby no evaporative liquid is left on the surface of said rotatable member when said member is stopped.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-02-29 | 1980-08-30 | 1981-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-02-29 | 1984-08-30 | 1985-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-02-29 | 1988-08-30 | 1989-03-01 | $7700.00 | Window Closed / Lapsed |