GB1146072A - Photographic roll film - Google Patents
Photographic roll filmInfo
- Publication number
- GB1146072A GB1146072A GB1744166A GB1744166A GB1146072A GB 1146072 A GB1146072 A GB 1146072A GB 1744166 A GB1744166 A GB 1744166A GB 1744166 A GB1744166 A GB 1744166A GB 1146072 A GB1146072 A GB 1146072A
- Authority
- GB
- United Kingdom
- Prior art keywords
- film
- photographic roll
- april
- roll film
- width
- 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
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
- G03C3/00—Packages of films for inserting into cameras, e.g. roll-films, film-packs; Wrapping materials for light-sensitive plates, films or papers, e.g. materials characterised by the use of special dyes, printing inks, adhesives
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Details Of Cameras Including Film Mechanisms (AREA)
- Winding Of Webs (AREA)
- Replacement Of Web Rolls (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Abstract
1,146,072. Photographic roll film. EASTMAN KODAK CO. April 21, 1966 [April 26, 1965], No. 17441/66. Heading G2A. The cross-sectional area of innermost end of a photographic roll film is reduced, without reducing the overall film width, so that the pressure of the overlying layers is spread longitudinally so that pressure lines are not formed in the image areas of the film. As shown in Fig. 4 the innermost edge 13b of a film (12) is in the form of a curved notch, so that on forming a roll of the film, pressure lines 15b, 20b are formed only in the non-image areas of the film; in other embodiments the notch, which may be curved Fig. 3 (not shown) or V-shaped Fig. 5 (not shown), extends only across the width of the image area of the film, and/or the innermost edge of the film may be bevelled across it's thickness, Fig. 6 (not shown). The film strip is preferably wound on a mandrel (10) with a backing paper (11) between successive layers of the film (12), Fig. 8 (not shown).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US45094865A | 1965-04-26 | 1965-04-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1146072A true GB1146072A (en) | 1969-03-19 |
Family
ID=23790174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1744166A Expired GB1146072A (en) | 1965-04-26 | 1966-04-21 | Photographic roll film |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE680035A (en) |
| DE (1) | DE1547680C3 (en) |
| ES (1) | ES325950A1 (en) |
| GB (1) | GB1146072A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0499981A2 (en) * | 1991-02-15 | 1992-08-26 | Fuji Photo Film Co., Ltd. | Substrate of and core for photosensitive material |
-
1966
- 1966-04-21 GB GB1744166A patent/GB1146072A/en not_active Expired
- 1966-04-22 DE DE19661547680 patent/DE1547680C3/en not_active Expired
- 1966-04-25 ES ES0325950A patent/ES325950A1/en not_active Expired
- 1966-04-25 BE BE680035D patent/BE680035A/xx unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0499981A2 (en) * | 1991-02-15 | 1992-08-26 | Fuji Photo Film Co., Ltd. | Substrate of and core for photosensitive material |
| EP0499981A3 (en) * | 1991-02-15 | 1992-12-09 | Fuji Photo Film Co., Ltd. | Substrate of and core for photosensitive material |
| US5286614A (en) * | 1991-02-15 | 1994-02-15 | Fuji Photo Film Co., Ltd. | Substrate of and core for photosensitive material |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1547680C3 (en) | 1975-05-22 |
| DE1547680A1 (en) | 1970-05-14 |
| DE1547680B2 (en) | 1974-09-19 |
| BE680035A (en) | 1966-10-03 |
| ES325950A1 (en) | 1967-06-16 |
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