BS 7804-1-1995 Tea sacks - Specification for a reference sack for palletized and containerized transport of tea《茶叶袋 第1部分 托盘和集装箱茶叶运输用的基准袋规范》.pdf
《BS 7804-1-1995 Tea sacks - Specification for a reference sack for palletized and containerized transport of tea《茶叶袋 第1部分 托盘和集装箱茶叶运输用的基准袋规范》.pdf》由会员分享,可在线阅读,更多相关《BS 7804-1-1995 Tea sacks - Specification for a reference sack for palletized and containerized transport of tea《茶叶袋 第1部分 托盘和集装箱茶叶运输用的基准袋规范》.pdf(14页珍藏版)》请在麦多课文档分享上搜索。
1、BRITISH STANDARD BS 7804-1: 1995 ISO 9884-1: 1994 Tea sacks Part 1: Specification for a reference sack for palletized and containerized transport of teaBS7804-1:1995 This British Standard, having been prepared under the directionof the Consumer Products and Services Sector Board (W/-), was published
2、 underthe authority of the Standards Board and comes intoeffect on 15April1995 BSI 11-1999 The following BSI references relate to the work on this standard: Committee reference AW/8 Draft for comment 93/506928 DC ISBN 0 580 23951 9 Committees responsible for this British Standard The preparation of
3、this British Standard was entrusted to Technical Committee AW/8, Tea, upon which the following bodies were represented: Campden Food and Drink Research Association Ministry of Agriculture, Fisheries and Food Natural Resources Institute Tea Trade Technical Committee United Kingdom Tea Association Ame
4、ndments issued since publication Amd. No. Date CommentsBS7804-1:1995 BSI 11-1999 i Contents Page Committees responsible Inside front cover National foreword ii Introduction 1 1 Scope 1 2 Normative references 1 3 Definitions 1 4 Sampling 1 5 Requirements 2 Annex A (normative) Method of determination
5、of the grammage of constituents of barrier ply laminate 4 Annex B (informative) Results of interlaboratory test 5 Table 1 Sack dimensions 2 Table 2 Sack composition and ply grammage 3 Table 3 Strength requirements 3 Table B.1 Grammage of constituents of barrier ply laminate 5 List of references Insi
6、de back coverBS7804-1:1995 ii BSI 11-1999 National foreword This Part of BS7804has been prepared under the direction of the Consumer Products and Services Sector Board. It is identical with ISO 9884-1:1994 Tea sacks Specification Part 1: Reference sack for palletized and containerized transport of t
7、ea, published by the International Organization for Standardization (ISO). This Part of BS7804 implements an agreement, to which the United Kingdom was a party, reached in Subcommittee 8, Tea, of Technical CommitteeTC 34, Agricultural food products, of ISO. The United Kingdom provides the secretaria
8、t for this subcommittee. Cross-references International Standard Corresponding British Standard Normative ISO 536:1976 BS 3432:1980 Method for determination of grammage of paper and board (Identical) BS 3951 Freight containers Part 1 General ISO 668:1988 Section 1.1:1989 Specification for Series 1 f
9、reight containers: Classification, dimensions and ratings (Identical) ISO 830:1981 Section 1.4:1983 Glossary of terminology (Identical) ISO 1924-2:1985 BS 4415 Determination of the tensile properties of paper and board Part 2:1986 Constant rate of elongation method (Identical) ISO 1974:1990 BS 4468:
10、1990 Method for determination of the internal tearing resistance of paper (Identical) ISO 4797:1981 BS 6352:1983 Specification for flasks with ground glass joints (Identical) ISO 6590-1:1983 BS EN 26590 Packaging Sacks Vocabulary and types Part 1:1993 Paper sacks (Identical) ISO 6591-1:1984 BS EN 26
11、591 Packaging Sacks Description and method of measurement Part 1:1993 Empty paper sacks (Identical) ISO 7023:1983 BS EN 27023:1993 Packaging Sacks Method of sampling empty sacks for testing (Identical) Informative ISO 5725:1986 BS 5497 Precision of test methods Part 1:1987 Guide for the determinatio
12、n of repeatability and reproducibility for a standard test method by inter-laboratory tests (Identical)BS7804-1:1995 BSI 11-1999 iii The Technical Committee has reviewed the provisions of ISO 2758:1983, ISO3676:1983 and ISO 8351-1:1994, to which reference is made in the text, and has decided that th
13、ey are acceptable for use in conjunction with this standard. Related British Standards to ISO2758and ISO3676are BS3137:1972and BS6884:1987respectively. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their corr
14、ect 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, pages i to iv, pages 1 to 6, an inside back cover and a back cover. This standard has been updated (see copyri
15、ght date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.iv blankBS7804-1:1995 BSI 11-1999 1 Introduction The plywood tea chest was for many years the preferred and standard shipping unit for tea. However, the growing scarcity and co
16、st of plywood in many producing countries has led in recent years to the use of alternatives based on more freely available and cheaper materials, such as paper and cardboard. Amongst the various alternative forms of bulk packing tested, multi-ply kraft paper sacks have found wide and growing accept
17、ance for the palletized and containerized transport of tea. One particular type of multi-ply paper sack with a polyethylene-bonded aluminium moisture and odour barrier has been developed following a number of transport and storage trials. It has been clearly shown to: withstand the handling and stre
18、sses involved in palletization, containerization, shipping and unpacking; adequately protect tea from the deleterious effect of moisture uptake and exposure to taint; load efficiently on to standard four-way entry pallets and into standard freight containers. This part of ISO9884specifies the materi
19、als, construction and dimensions of this sack, which is intended to act as a performance reference sack against which sacks of different materials and construction may be tested. Minimum requirements and performance tests for sacks intended for palletized and containerized transport of tea are speci
20、fied in ISO 9884-2 1) . It is anticipated that stronger, puncture-resistant materials (for example, cross-laminated high-density polyethylene) will permit the development and future specification of a reference sack capable of withstanding the stresses involved in handling and transport prior to pal
21、letization and containerization. 1 Scope This part of ISO9884specifies the materials, construction and dimensions of a reference sack (valve-pasted, flat, hexagonal-ended sack of stepped-end construction, formed from a stepped-end tube) suitable for the palletized and containerized transport of tea:
22、 on a four-way entry,1120mm 1120mm, flat, flush-ended pallet to fit the unit load size of1140mm 1140mm specified in ISO 3676; in freight containers of the dimensions specified in ISO 668, either closed and non-vented, or closed and corner-post vented (see ISO 830:1981, 4.1.1.1). 2 Normative referenc
23、es The following standards contain provisions which, through reference in this text, constitute provisions of this part of ISO9884. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this part of ISO9884are encoura
24、ged to investigate the possibility of applying the most recent editions of the standards indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. ISO 536:1976, Paper and board Determination of grammage. ISO 668:1988, Series 1 freight containers Classific
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