BS 6170-1981 Specification for flax canvas water buckets《亚麻帆布水桶规范》.pdf

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1、BRITISH STANDARD BS 6170:1981 Incorporating Amendment No. 1 Specification for Flax canvas water buckets UDC 621.642.14:677.11.074BS6170:1981 This British Standard, having been prepared under the directionof the Textile ProductsStandards Committee,was published underthe authority of theExecutive Boar

2、d and comesinto effect on 30 November 1981 BSI 11-1999 The following BSI references relate to the work on this standard: Committee reference TCM/4 Draft for comment 80/36161 DC ISBN 0 580 12380 4 Cooperating organizations The Textile Products Standards Committee, under whose direction this British S

3、tandard was prepared, consists of representatives from the following: Association of Jute Spinners and Manufacturers Blanket Manufacturers Association British Carpet Manufacturers Association British Man-made Fibres Federation British Railways Board British Textile Employers Association Consumer Sta

4、ndards Advisory Committee of BSI Consumers Association Department of Health and Social Security Department of Industry (Chemicals and Textiles) Department of the Environment (PSA) Furniture, Timber and Allied Trades Union Institute of Purchasing and Supply Made-up Textiles Association* Mail Order Tr

5、aders Association of Great Britain Ministry of Defence* National Association of Retail Furnishers National Bedding Federation Textile Institute Textile Research Council Warp Knitters Association Ltd. The organizations marked with an asterisk in the above list, together with the following, were direc

6、tly represented on the Technical Committee entrusted with the preparation of this British Standard: Chief and Assistant Chief Fire Officers Association Department of the Environment, Building Research Establishment (Fire Research Station) Greater London Council Home Office Institution of Fire Engine

7、ers National Coal Board Amendments issued since publication Amd. No. Date of issue Comments 5594 July 1988 Indicated by a sideline in the marginBS6170:1981 BSI 11-1999 i Contents Page Cooperating organizations Inside front cover Foreword ii 1 Scope 1 2 References 1 3 Materials 1 4 Manufacture 1 5 Le

8、akage 1 6 Marking 2 Appendix A Determination of leakage 3 Figure 1 Method of fixing the bottom of buckets 2 Table 1 Requirements for unproofed fabric 1 Publications referred to Inside back coverBS6170:1981 ii BSI 11-1999 Foreword This British Standard has been prepared under the direction of the Tex

9、tile Products Standards Committee and constitutes a revision of BS3358:1961 “Flax canvas water buckets” and BS4030:1966 “Cotton canvas buckets”, which have been withdrawn. In the drafting of this standard the opportunity has been taken to reduce the number of bucket designs and fabric types specifie

10、d and to align the requirements of this standard with BS3408 whenever possible. This standard does not specify requirements for the scale of sampling to be employed. In appropriate cases guidance can be obtained from BS6001. A British Standard does not purport to include all the necessary provisions

11、 of 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. In particular, attention is drawn to Statutory Instrument1986No.26, Trade Descriptions, The Textile Products (Indica

12、tions of Fibre Content) Regulations1986. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages1 to 4, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indic

13、ated in the amendment table on the inside front cover.BS6170:1981 BSI 11-1999 1 1 Scope This British Standard specifies requirements for the materials, design and making up of water buckets manufactured from flax canvas. 2 References The titles of the publications referred to in this standard are li

14、sted on the inside back cover. 3 Materials 3.1 Fabric for body, bottom and chapes (lugs). Unproofed flax canvas complying with the requirements ofTable 1 shall be used. It shall be rotproofed by the pentachlorophenyl laurate (PCPL) (normal) process specified in BS2087-1. The breaking strength of the

15、 proofed fabric shall be at least90% of the values quoted for unproofed fabric inTable 1. The total mass of proofing matter per unit area in the treated textile shall be not less than10% and not more than25%, when expressed as a percentage, of the mass per unit area of the unproofed fabric specified

16、 inTable 1. 3.2 Handles and rims. Sisal rope of10mm nominal diameter complying with the requirements of BS2052 and rotproofed by the PCPL (normal) process as specified in BS2087-1 shall be used. 3.3 Sewing thread. Thread used in the manufacture of flax canvas water buckets shall be a corespun thread

17、 ticket No.8, as specified in Table3 of BS 6157:1981. 4 Manufacture 4.1 Dimensions. The internal diameter shall be230mm at the bottom and280mm at the top with a slope depth of230mm. The finished length of the handle shall be580mm. The chapes for securing the handle shall be50mm wide. NOTEA bucket wi

18、th the above dimensions has a capacity of approximately 9litres when filled to50mm below the rim. 4.2 Construction. The body of the bucket shall be constructed of either one or two pieces of fabric sewn with run and fell seams on the joins. The bottom of the bucket shall be joined to the body as sho

19、wn inFigure 1. This produces a fabric configuration as described for seam type1.08.01 of BS3870-2. The chapes for securing the handle shall be positioned centrally over each side seam and shall straddle the rim. The raw edges of the chapes shall be turned and hemmed and the chapes shall be stitched

20、securely to the body. The handle shall consist of a length of rope (see3.2) with the ends looped through the chapes and spliced with three full tucks. The rim of the bucket shall be hemmed and a length of rope (see3.2) shall be inserted into the hem in such a manner that the whipped ends meet under

21、one of the chapes. All stitches shall be evenly tensioned and there shall be not less than24stitches per10cm. 5 Leakage Each bucket shall retain not less than90% of the initial quantity of water, when tested in accordance withAppendix A. Table 1 Requirements for unproofed fabric Property Requirement

22、 Method of test Max. Min. Alkali solubility 10% BS 6645 Mass per unit area 750 g/m 2 BS 2471 Threads per cm warp (double) weft 10.2 9.4 BS 2862 Breaking strength warp weft 1970 N/50 mm 2190 N/50 mm BS 2576 NOTEThese requirements are similar to those of fabric BS3408-5 in Table2 of BS3408:1977. BS617

23、0:1981 2 BSI 11-1999 6 Marking Each bucket shall have a sewn-in label marked with the following particulars: a) the number of this British Standard, i.e.BS6170 1) ; b) the following instruction for use: “To increase the efficiency of this bucket soak it thoroughly in cold water before use”. 1) Marki

24、ng BS6170 on or in relation to a product is a claim by the manufacturer that the product has been manufactured in accordance with the requirements of the standard. The accuracy of such a claim is therefore solely the manufacturers responsibility. Enquiries as to the availability of third party certi

25、fication to support such claims should be addressed to the Director, British Standards Institution, Maylands Avenue, Hemel Hempstead, Herts HP24SQ in the case of certification marks administered by BSI or to the appropriate authority for other certification marks. Figure 1 Method of fixing the botto

26、m of bucketsBS6170:1981 BSI 11-1999 3 Appendix A Determination of leakage A.1 Preparation of bucket Soak each bucket to be tested in water for24h, shake the bucket free of any adhering water and carry out the test immediately, with the bucket in a soaked condition. A.2 Procedure Suspend the bucket b

27、y the handle over a suitable vessel to collect any leakage. Fill the bucket with9litres of water by carefully siphoning from a measuring vessel. Allow the bucket to hang over the collecting vessel for1h from completion of filling and then determine the mass of water collected. A.3 Calculation Expres

28、s the amount of water collected as a percentage of the original amount, and thus calculate the amount of retained water by subtraction.4 blankBS6170:1981 BSI 11-1999 Publications referred to BS 2052, Specification for ropes made from manila, sisal, hemp, cotton and coir. BS 2087, Preservative textil

29、e treatments. BS 2087-1, Specification for treatments. BS 2471, Methods of test for textiles Woven fabrics Determination of mass per unit length and mass per unit area. BS 2576, Method for determination of breaking strength and elongation (strip method) of woven fabrics. BS 2862, Methods for determi

30、nation of number of threads per unit length. BS 3408, Specification for tarpaulins. BS 3870, Stitches and seams. BS 3870-2, Classification and terminology of seam types. BS 6001, Sampling procedures and tables for inspection by attributes 2) . BS 6157, Specification for industrial sewing threads mad

31、e wholly or partly from synthetic fibres. BS 6645, Method for determination of alkali solubility of flax materials. 2) Referred to in foreword only.BS 6170:1981 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing Brit

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