Patent US5557362A successfully refreshed from Google Patents.
US5557362A
Expired / Lapsed
US
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Silver halide photosensitive material automatic developing apparatus
Assignee: Konica Minolta Inc
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Filing: 1995-06-12
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Granted: 1996-09-17
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Expires: 2015-06-12
Abstract
Abstract In an apparatus for processing a silver halide color photographic material, a ratio of a unit amount A of a solid agent to be replenished at a time to the volume B of a color developing solution in a color developing tank satisfies the following relation: A/B<5, and a conveyor conveys the photographic material from starting dipping the photographic material in the color developing solution to starting dipping the photographic material in a processing solution for a time not longer than 18 seconds.
Inventors
- 👤 Yutaka Ueda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:17
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/02; G03D3/06; G03D3/065
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
190 words
An apparatus for processing a silver halide color photographic material with a processing solution, comprising: a color developing tank in which a color developing solution is stored, wherein a volume of a color developing solution in the color developing tank is B (l), and the photographic material is subjected to color development with the color developing solution; an agent replenishing device for replenishing a solid agent for color development by a unit amount of A (g) at a time, substantially directly into the color developing tank, wherein a ratio of the unit amount A to the volume B satisfies the following relation: 0.01<A/B<5; a processing tank located next to the color developing tank, in the processing tank is stored a processing solution to process the photographic material subjected to the color development; and a conveyor to convey the photographic material into the color developing tank and into the processing tank, wherein the conveyor conveys the photographic material from starting dipping the photographic material in the color developing solution to starting dipping the photographic material in the processing solution for a time T which satisfies the following relationship: 5 seconds≦T≦18 seconds.
Claim 2
Independent Claim
190 words
An apparatus for processing a silver halide color photographic material with a processing solution, comprising: a color developing tank in which a color developing solution is stored, wherein a volume of a color developing solution in the color developing tank is B (l), and the photographic material is subjected to color development with the color developing solution; an agent replenishing device for replenishing a solid agent for color development by a unit amount of A (g) at a time, substantially directly into the color developing tank, wherein a ratio of the unit amount A to the volume B satisfies the following relation: 0.01<A/B<5; a processing tank located next to the color developing tank, in the processing tank is stored a processing solution to process the photographic material subjected to the color development; and a conveyor to convey the photographic material into the color developing tank and into the processing tank, wherein the conveyor conveys the photographic material from starting dipping the photographic material in the color developing solution to starting dipping the photographic material in the processing solution for a time T which satisfies the following relationship: 5 seconds≦T≦18 seconds.
Claim 3
Dependent Claim
21 words
The apparatus of claim 1, further comprising a water replenishing device for replenishing water substantially directly into the color developing tank.
Claim 4
Dependent Claim
10 words
The apparatus of claim 2, wherein the water is heated.
Claim 5
Dependent Claim
51 words
The apparatus of claim 1, wherein the color developing tank has an opening area S (cm 2 ) which is an interface area between air and the color developing solution and a ratio N of the opening area S to the volume B is not more than 12 cm 2 /l.
Claim 6
Dependent Claim
23 words
The apparatus of claim 1, wherein the color developing tank comprises a nozzle for jetting the color developing solution toward the photographic material.
Claim 7
Dependent Claim
51 words
The apparatus of claim 1, wherein an amount C (l) of water is replenished for dissolving the solid processing agent whose amount is necessary to process the photographic material of 1 (m 2 ) and a ratio of the volume B to the water amount C satisfies the following relation: B/C<100.
Claim 8
Dependent Claim
37 words
The apparatus of claim 1, wherein the conveyor conveys the photographic material along a passage and a sectional view of the color developing tank is shaped so as to follow along the passage of the photographic material.
Claim 9
Dependent Claim
26 words
The apparatus of claim 7, wherein the developing tank has a internal wall used as a guide member to guide the photographic material along the passage.
Claim 10
Dependent Claim
44 words
The apparatus of claim 1, further comprising circulating means for generating a circulation current of the color developing solution along a flow passage, wherein the circulating means regulates a flow rate of the circulation current in accordance with a working condition of the apparatus.
Claim 11
Dependent Claim
41 words
The apparatus of claim 9, further comprising a filter disposed on the flow passage so as to filtrate the color developing solution, and the agent replenishing device supplies the solid agent upstream of the filter in relation to the flow passage.
Claim 12
Dependent Claim
78 words
The apparatus of claim 1, further comprising circulating means for generating a circulation current of the color developing solution along a flow passage and a filter disposed on the flow passage so as to filter the color developing solution, wherein the circulating means comprises a first circulating means disposed on the flow passage from the color developing tank to the filter, and a second circulating means on the flow passage from the filter to the color developing tank.
Claim 13
Dependent Claim
32 words
The apparatus of claim 11, wherein the second circulating means generates a circulation current with a substantially constant flow rate while the photographic material is being processed in the color developing tank.
Claim 14
Dependent Claim
36 words
The apparatus of claim 11, wherein the color developing tank comprises a level sensor to detect the level of the color developing solution, and the first circulating means is controlled in accordance with the detected level.
Claim 15
Dependent Claim
43 words
The apparatus of claim 11, wherein the second circulating means regulates a flow rate of the circulation current in accordance with a working condition of the apparatus and the first circulating means is controlled in accordance with the working condition of the apparatus.
Claim 16
Dependent Claim
41 words
The apparatus of claim 11, wherein the color developing tank comprises a level sensor to detect the level of the color developing solution, and the first circulating means or the second circulating means is controlled in accordance with the detected level.
Claim 17
Dependent Claim
15 words
The apparatus of claim 1, wherein the ratio of A/B satisfies the following relation: 0.05<A/B≦3.
Claim 18
Dependent Claim
36 words
The apparatus of claim 1, wherein a ratio of B/ST satisfies the following relation: 1.5≦B/ST≦100, wherein B is a tank capacity (l) and ST is an area (m 2 ) of a photosensitive material conveying surface.
Claim 19
Dependent Claim
15 words
The apparatus of claim 17, wherein the ratio of B/ST satisfies the following relation: 3.0≦B/ST≦50.
Claim 20
Dependent Claim
15 words
The apparatus of claim 18, wherein the ratio of A/B satisfies the following relation: 0.05<A/B≦3.
References Cited (Backward Citations)
US5102778A
Cited
WO1991012567A1
Cited
US5380626A
Cited
EP0595312A1
Cited
US5400105A
Cited
EP0607912A2
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-09-17 | 2000-03-18 | 2000-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-09-17 | 2004-03-18 | 2004-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-09-17 | 2008-03-18 | 2008-09-17 | $7700.00 | Window Closed / Lapsed |