GB124931A - Light Proof Container for Photographic Films when used to make X-ray Negatives or Pictures of the Teeth. - Google Patents
Light Proof Container for Photographic Films when used to make X-ray Negatives or Pictures of the Teeth.Info
- Publication number
- GB124931A GB124931A GB702818A GB702818A GB124931A GB 124931 A GB124931 A GB 124931A GB 702818 A GB702818 A GB 702818A GB 702818 A GB702818 A GB 702818A GB 124931 A GB124931 A GB 124931A
- Authority
- GB
- United Kingdom
- Prior art keywords
- metal
- container
- teeth
- ductile
- bent
- 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
- G03C3/003—Individual packages for X-ray film, e.g. for dental applications
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Abstract
124,931. Buck, A. W. April 26, 1918. Envelopes, sheaths, and holders, plate and like; R÷ntgen-ray and like apparatus. - A container for films for X-ray photography, more particularly for use in photographing the teeth, is made of material such that it may be bent and will retain the form into which it is bent. As shown in section in Fig. 3, the container comprises a thin back-plate 10 of a ductile metal having its edges 12 bent over to enclose both a film 13 and a front plate 11. The front plate consists of celluloid which is rendered opaque or transparent to red rays only, or of paper or other material which is opaque to light rays but permits the passage of X-rays. The back 10 is preferably made of bismuth, lead, platinum, or other metal of high atomic weight, and is held closely against the film by tightly clinching down the edges 12. In a modification, Fig. 4, the container comprises a metal rim 14 which encloses a back 10<a> of ductile or pliable material and a front 11<a> of celluloid or paper. In further modifications, the back may consist of ductile or pliable material faced with a metal of high atomic weight, and the front may be clinched over the back. The container may have rounded corners and may enclose a plurality of films in superposed arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB702818A GB124931A (en) | 1918-04-26 | 1918-04-26 | Light Proof Container for Photographic Films when used to make X-ray Negatives or Pictures of the Teeth. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB702818A GB124931A (en) | 1918-04-26 | 1918-04-26 | Light Proof Container for Photographic Films when used to make X-ray Negatives or Pictures of the Teeth. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB124931A true GB124931A (en) | 1919-04-10 |
Family
ID=32342801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB702818A Expired GB124931A (en) | 1918-04-26 | 1918-04-26 | Light Proof Container for Photographic Films when used to make X-ray Negatives or Pictures of the Teeth. |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB124931A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5576552A (en) * | 1992-10-27 | 1996-11-19 | Orion-Yhtyma Oy | Image plate for intraoral dental radiography |
-
1918
- 1918-04-26 GB GB702818A patent/GB124931A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5576552A (en) * | 1992-10-27 | 1996-11-19 | Orion-Yhtyma Oy | Image plate for intraoral dental radiography |
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