GB1190790A - A Method of Coating a Web for Preparing a Photographic Light-Sensitive Element - Google Patents
A Method of Coating a Web for Preparing a Photographic Light-Sensitive ElementInfo
- Publication number
- GB1190790A GB1190790A GB58941/67A GB5894167A GB1190790A GB 1190790 A GB1190790 A GB 1190790A GB 58941/67 A GB58941/67 A GB 58941/67A GB 5894167 A GB5894167 A GB 5894167A GB 1190790 A GB1190790 A GB 1190790A
- Authority
- GB
- United Kingdom
- Prior art keywords
- layers
- web
- cooling
- gelled
- film base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000011248 coating agent Substances 0.000 title abstract 2
- 238000000576 coating method Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 238000001816 cooling Methods 0.000 abstract 7
- 239000001828 Gelatine Substances 0.000 abstract 2
- 239000008199 coating composition Substances 0.000 abstract 2
- 229920000159 gelatin Polymers 0.000 abstract 2
- 235000019322 gelatine Nutrition 0.000 abstract 2
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 abstract 1
- 229910001864 baryta Inorganic materials 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- ADZWSOLPGZMUMY-UHFFFAOYSA-M silver bromide Chemical compound [Ag]Br ADZWSOLPGZMUMY-UHFFFAOYSA-M 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/74—Applying photosensitive compositions to the base; Drying processes therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
1,190,790. Photo-sensitive laminates. FUJI SHASHIN FILM K.K. 28 Dec., 1967 [28 Dec., 1966], No. 58941/67. Heading B5N. A method of coating the opposite surfaces of a continuously travelling web 1, for preparing a photographic light-sensitive element, comprises applying photographic coating compositions to smooth continuously moving surfaces of two cooling members, e.g. surfaces 3, 3<SP>1</SP> of members 8, 8<SP>1</SP>, positioned at opposite sides of the web to provide on each of said surfaces a uniform layer or layers having the desired thickness and layer structure, cooling the layers thus formed to effect gelling, stripping the gelled layers, e.g. 4, 4<SP>1</SP>, from the cooling surfaces, and adhering the stripped layers to the opposite surfaces of the web. In one embodiment, Fig. 1, the web 1 is a film base or baryta-coated paper, and the layers 4, 4<SP>1</SP> are applied simultaneously thereto from cooling drums 8, 8<SP>1</SP>, to which they have been applied as coating compositions from hoppers 2, 2<SP>1</SP>. The web 1 may travel more quickly than the surfaces of the drums 8 and/or 8<SP>1</SP> so that the layers 4 and/or 4<SP>1</SP> are stretched and thinned down in the zones 5, 5<SP>1</SP> before application to the web. To improve adherence between the layers 4, 4<SP>1</SP> and the web 1, the layers or the web may be heated by high-frequency or infra-red heating or by hot air before the layers are joined with the web. In addition air jets are applied in the zones 5, 5<SP>1</SP> to press the layers against the web. Means may also be provided whereby the atmospheric pressure between the web 1 and the layers 4, 4<SP>1</SP> is reduced in zones 5, 5<SP>1</SP>. In a second embodiment, not shown, two layers of silver bromide solution, and a layer of aqueous gelatine solution are applied from a hopper to the surface of a cooling drum and are gelled thereon. The gelled layers are then applied to a film base travelling between the cooling drum and an auxiliary roller while stretching the layers to 1/3 of their original thickness. The coated film base then passes between a second auxiliary roller and a second cooling drum from which its uncoated surface receives an unstretched gelled layer of an aqueous gelatine solution and dye. During such passage the surface of the film base coated first is prevented from contacting the surface of the second auxiliary roller by an air cushion.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP43867 | 1966-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1190790A true GB1190790A (en) | 1970-05-06 |
Family
ID=11473802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB58941/67A Expired GB1190790A (en) | 1966-12-28 | 1967-12-28 | A Method of Coating a Web for Preparing a Photographic Light-Sensitive Element |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3560288A (en) |
| DE (1) | DE1597595B2 (en) |
| FR (1) | FR1548224A (en) |
| GB (1) | GB1190790A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3849174A (en) * | 1969-07-07 | 1974-11-19 | Union Carbide Corp | Calendering of laminated polymeric materials |
| US3658617A (en) * | 1970-07-17 | 1972-04-25 | Armstrong Cork Co | Method for forming a laminated floor covering |
| US4321102A (en) * | 1979-11-30 | 1982-03-23 | Drexler Technology Corporation | Method for making gelatin epoxy sheet materials |
| WO1982003969A1 (en) * | 1981-05-20 | 1982-11-25 | Franz Sen Haas | Method and device for the continuous production of an endless assembly of wafers with a constant width,comprised of cream layers between the wafer layers |
| KR100285037B1 (en) * | 1992-09-02 | 2001-06-01 | 기타지마 요시토시 | Dust-free Container |
| JP3423077B2 (en) * | 1993-08-25 | 2003-07-07 | ダブリュ・アール・グレイス・アンド・カンパニー・コネテイカット | Plate printing method |
-
1967
- 1967-12-27 DE DE1967F0054421 patent/DE1597595B2/en active Granted
- 1967-12-28 US US694180A patent/US3560288A/en not_active Expired - Lifetime
- 1967-12-28 GB GB58941/67A patent/GB1190790A/en not_active Expired
- 1967-12-28 FR FR1548224D patent/FR1548224A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1597595A1 (en) | 1970-05-06 |
| FR1548224A (en) | 1968-11-29 |
| US3560288A (en) | 1971-02-02 |
| DE1597595B2 (en) | 1976-04-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |