BS 5550-3.10.1:1980
Current
The latest, up-to-date edition.
Cinematography. 35 mm film. Sprockets Specification for broad tooth sprockets for 35 mm perforated film
Hardcopy , PDF
English
29-11-1965
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16-tooth intermittent, and 16-tooth, 24-tooth, 32-tooth feed, sound head and hold-back sprockets for use with cellulose nitrate film and cellulose acetate film. Dimensions for accurate engagement with film, minimize film wear, visual performance; dimensions for form of teeth. For motion picture techniques this type of sprockets is obsolescent.
| Committee |
CPW/36
|
| DevelopmentNote |
Supersedes and renumbers BS 1967(1965) (07/2004) Reviewed and confirmed by BSI, December 2009. (11/2009)
|
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
1. This British Standard relates to the dimensions of 16-tooth intermittent sprockets, and 16-tooth, 24-tooth and 32-tooth feed and hold-back sprockets for use with 35 mm perforated film in accordance with Table 3, Positive raw stock, of B.S. 677, Part I : 1958*. It specifies the essential dimensions for accurate engagement with the film, and gives recommended dimensions in respect of the form of the teeth.
NOTE. The dimensions of sound-head sprockets are normally similar to those given in this standard for feed sprockets.
| Standards | Relationship |
| UNE-EN ISO 1833-4:2024 | Identical |
| BS 5550-3.10.2:1980 | Cinematography. 35 mm film. Sprockets Specification for universal sprockets for 35 mm perforated film |
| BS 5550-3.10.2:1980 | Cinematography. 35 mm film. Sprockets Specification for universal sprockets for 35 mm perforated film |
| BS 5550-3.1.1:1978 | Cinematography. 35 mm film. Raw stock. Specification for cutting and perforating dimensions of 35 mm motion-picture film and magnetic film |
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