Patent US4293866A successfully refreshed from Google Patents.
US4293866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording apparatus
Assignee: Ricoh Co Ltd
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Filing: 1979-12-03
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Granted: 1981-10-06
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Expires: 1999-12-03
Abstract
Abstract A recording apparatus wherein a liquid drop generator issues liquid drops which are steered to a strike at desired spots on an intermediate means so as to form a printing image to be transferred onto a recording sheet brought into contact therewith. The intermediate means includes a dye or pigment carrying layer, and the dye or pigment at the spot on the layer which has been wetted or moistened with the liquid drop becomes transferable to the recording sheet together with the liquid, whereby a visible printing image may be transferred onto the recording sheet.
Inventors
- 👤 Seiki Takita
- 👤 Kiyomi Ichizuka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:40
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/005; B41J2/0057; B41J2/01; B41M; B41M5/00; B41M5/025; B41M5/0256
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
154 words
Liquid jet recording apparatus, comprising: an intermediate recording member comprising a supporting substrate, and a color developing layer of a liquid soluble pigment composition on said substrate, said pigment composition comprising a comminuted pigment dispersed in a binder comprising at least one liquid-soluble resin and at least one surface-active agent, said pigment being insoluble in said liquid; liquid jet generating means, including a piezoelectric element responsive to a print control signal for issuing a stream of liquid drops in accordance with a pattern to be printed, and means for directing said drops to impinge upon corresponding selected parts of said layer, so that said drops dissolve said binder at said selected parts, thereby rendering the associated pigment separable from said layer; and means for transferring said separable pigment from said layer of said intermediate recording member to a recording sheet in accordance with said pattern, and for fixing the transferred pigment to said sheet.
Claim 2
Dependent Claim
154 words
Liquid jet recording apparatus, comprising: an intermediate recording member comprising a supporting substrate, and a color developing layer of a liquid soluble pigment composition on said substrate, said pigment composition comprising a comminuted pigment dispersed in a binder comprising at least one liquid-soluble resin and at least one surface-active agent, said pigment being insoluble in said liquid; liquid jet generating means, including a piezoelectric element responsive to a print control signal for issuing a stream of liquid drops in accordance with a pattern to be printed, and means for directing said drops to impinge upon corresponding selected parts of said layer, so that said drops dissolve said binder at said selected parts, thereby rendering the associated pigment separable from said layer; and means for transferring said separable pigment from said layer of said intermediate recording member to a recording sheet in accordance with said pattern, and for fixing the transferred pigment to said sheet.
Claim 3
Dependent Claim
11 words
The apparatus according to claim 1, wherein said liquid is water.
Claim 4
Dependent Claim
12 words
The apparatus according to claim 2, wherein said pigment comprises phthalocyanine blue.
Claim 5
Dependent Claim
51 words
The apparatus according to claim 2, wherein said resin is selected from the group consisting of gelatine, casein, arabian rubber, carboxylmethyl cellulose or its derivatives, polyvinylalcohol, polyvinylpyrolidone, maleic resin, vinyl acetate resins, copolymers of vinyl chloride and vinyl acetate, polystyrene, polyesters, polyamides, polyvinyl butyral, acrylic resins, methacrylic resins, and silicon resins.
Claim 6
Dependent Claim
33 words
The apparatus according to claim 2 or 3 or 4, wherein said surface-active agent is selected from the group consisting of positive ion surface-active agents, negative ion surface-active agents, and non-ion surface-active agents.
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) | 1984-10-05 | 1985-04-06 | 1985-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-10-05 | 1989-04-06 | 1989-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-10-05 | 1993-04-06 | 1993-10-06 | $7700.00 | Window Closed / Lapsed |