1、BRITISH STANDARD BS 5550-3.12.1: 1979 Incorporating Amendment No. 1 Cinematography Part3: 35mm film Section 3.12 Miscellaneous Subsection 3.12.1 Specification for metal cans for processed35mm motion-picture filmBS5550-3.12.1:1979 This British Standard, having been approved by the Cinematograph Stand
2、ards Committee, was published underthe authority of the Executive Board on 21July1970 asBS4615 BSI 10-1999 The following BSI references relate to the work on this standard: Committee reference CMS/3 Draft for comment 69/23235 ISBN 580 06201 5 Co-operating organizations The Cinematograph Standards Co
3、mmittee, under whose supervision this British Standard was prepared, consists of representatives from the following Government departments and scientific and industrial organizations: Association of Cinematograph Television and Allied Technicians* Board of Trade British Broadcasting Corporation* Bri
4、tish Film Institute* British Kinematograph, Sound and Television Society* British Photographic Manufacturers Association* Cinematograph Exhibitors Association of Great Britain and Ireland* Federation of Specialised Film Associations Film Laboratory Association* Film Production Association of Great B
5、ritain* Home Office Illuminating Engineering Society Incorporated Association of Kinematograph Manufacturers Ltd. Independent Television Companies Association* Kinematograph Renters Society Ltd.* Ministry of Defence, Army Department Royal Photographic Society* The scientific and industrial organizat
6、ions marked with an asterisk in the above list, together with the following, were directly represented on the committee entrusted with the preparation of this British Standard: Association of Independent Cinemas National Association of Theatrical and Kine Employees Amendments issued since publicatio
7、n Amd. No. Date of issue Comments 2949 December 1979 Indicated by a sideline in the marginBS5550-3.12.1:1979 BSI 10-1999 i Contents Page Co-operating organizations Inside front cover Foreword ii 1 Scope 1 2 Capacity 1 3 Dimensions 1 4 Construction 1 5 Finish 1 Table 1 Dimensions of metal cans 2 Publ
8、ication referred to Inside back coverBS5550-3.12.1:1979 ii BSI 10-1999 Foreword This British Standard has been prepared under the authority of the Cinematograph Standards Committee to specify the physical requirements for metal cans having a nominal capacity of300m (1 000ft) and 600m (2 000ft) used
9、for the storage and transit of processed35mm motion picture film wound on cores. The cans are not intended to accommodate film on spools. Two600m capacity sizes are specified; the larger (Size2) is in use internationally, and is preferable to the smaller (Size3) which is almost exclusively used in t
10、he United Kingdom for the distribution of release prints where current storage racks and transport cases are unable to accept the larger can. Information regarding the construction of this type of can is given in BS 1133, “Packaging code”, Section 10, “Metal containers”, Part A, “Tins and cans”. Inf
11、ormation regarding the dimensions of standard35mm cores and35mm motion picture film may be obtained by reference to the following British Standards: BS 5550-5.12.1, Dimensions of cores for motion-picture and magnetic film rolls. BS 4526, Dimensions of motion picture film Part 1: 35mm film. Informati
12、on concerning metric (SI) units is given in BS 350, “Conversion factors and tables”, and PD 5686, “The use of SI units”. This standard was confirmed in 1977. As all British Standards on cinematography are eventually to become Sections or Subsections of BS5550, this standard has been renumbered as BS
13、5550-3.12.1. BSI Sectional List 1, obtainable free from BSI Sales Department, catalogues the British Standards on cinematography. The latest edition of SL 1 should be referred to particularly in view of this development. A British Standard does not purport to include all the necessary provisions of
14、a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pagesi andii, pages1 and 2, an inside bac
15、k cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.BS5550-3.12.1:1979 BSI 10-1999 1 1 Scope This British Standard specifies the requirements, including dimensi
16、ons, for three sizes of metal can used for the storage and transit of processed35mm motion picture film. 2 Capacity The film capacities of the cans are as follows: 3 Dimensions 3.1 The dimensions of cans shall be in accordance withTable 1. 3.2 The external dimensions shall include all embossing. 4 C
17、onstruction 4.1 The cans shall be of metal construction, circular and seamless, and shall have a slip lid which is an easy fit over the body to form a closed container. 4.2 Both lid and body may be embossed or ribbed to provide adequate strength and rigidity. The lips of the lids and bodies shall be
18、 folded to produce a “safe” edge. 4.3 The sides of both lid and body shall each have one or more protruding beads to give a fingerhold when the can is being opened. 4.4 The lid shall be incapable of being fitted over the base of the body. 4.5 The lid shall be provided with a central flat area not sm
19、aller than120mm diameter, devoid of embossing, for receiving an adhesive label. NOTETo obviate the possibility of contradictory labelling on both parts of a can it is recommended that only the lid should be provided with this central flat area, whilst the embossed pattern on the body should discoura
20、ge the fixing of labels. 5 Finish 5.1 All cans shall be protected against corrosion under normal conditions of use in temperate climates. If so specified by the purchaser, the cans shall be protected against corrosion under tropical conditions. 5.2 The materials and protective treatments used in the
21、 manufacture of the cans shall not be detrimental to the film or to any applied magnetic coating. 5.3 All cans shall be free from burrs and sharp edges that could injure the user or cause damage to the film. Can size Capacity m Remarks 1 300 2 600 3 600 nominal For use within the UnitedKingdom where
22、 Size 2 cans cannot be accommodatedBS5550-3.12.1:1979 2 BSI 10-1999 Table 1 Dimensions of metal cans Drawing not to scale All dimensions in millimetres Can size External dimensions Internal dimensions D 1dia. H 1 D dia. H (max.) (max.) (min.) (min.) 1 285 46 265 40 2 390 46 380 40 3 360 46 350 40 NO
23、TEIt is recommended that when new storage facilities are being installed they should be designed to accommodate containers having maximum dimensions of410mm outside diameter 48 mm wide. Adoption of this recommendation would permit the future storage of film in containers which take advantage of mode
24、rn packaging techniques.BS5550-3.12.1:1979 BSI 10-1999 Publication referred to See forewordBS 5550-3.12.1: 1979 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing BritishStandards. It presents the UK view on standard
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