DD-ENV-635-4-1997.pdf
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1、DRAFT FOR DEVELOPMENT DD ENV 635-4:1997 Plywood Classification by surface appearance Part 4: Parameters of ability for finishing Guideline ICS 79.060.10 Licensed Copy: London South Bank University, London South Bank University, Tue Dec 12 05:49:13 GMT+00:00 2006, Uncontrolled Copy, (c) BSI DD ENV 63
2、5-4:1997 This Draft for Development, having been prepared under the direction of the Sector Board for Building and Civil Engineering, was published under the authority of the Standards Board and comes into effect on 15 March 1997 BSI 04-1999 The following BSI reference relates to the work on this Dr
3、aft for Development: Committee reference B/541 ISBN 0 580 27107 2 Committees responsible for this Draft for Development The preparation of this Draft for Development was entrusted to Technical Committee B/541, Wood-based panels, upon which the following bodies were represented: APA/Engineered Wood A
4、ssociation Association of British Plywood and Veneer Manufacturers British Woodworking Federation Council of the Forest Industries of British Columbia Department of the Environment (Building Research Establishment) Finnish Plywood International Flat Roofing Contractors Advisory Board Forestry Commis
5、sion Furniture Industry Research Association Institution of Structural Engineers Local Authority Organizations Mineral Bonded Board Products Federation National Federation of Roofing Contractors National House-building Council National Panel Products Association Royal Institute of British Architects
6、 Structural Board Association Timber Research and Development Association Timber Trade Federation Wood Panel Industries Federation Zurich Municipal Building Guarantee Amendments issued since publication Amd. No.DateComments Licensed Copy: London South Bank University, London South Bank University, T
7、ue Dec 12 05:49:13 GMT+00:00 2006, Uncontrolled Copy, (c) BSI DD ENV 635-4:1997 BSI 04-1999i Contents Page Committees responsibleInside front cover National forewordii Foreword2 Text of ENV 635-43 List of references Inside back cover Licensed Copy: London South Bank University, London South Bank Uni
8、versity, Tue Dec 12 05:49:13 GMT+00:00 2006, Uncontrolled Copy, (c) BSI DD ENV 635-4:1997 ii BSI 04-1999 National foreword This Draft for Development has been prepared by Technical Committee B/541 and is the English language version of ENV 635-4:1996 Plywood Classification by surface appearance Part
9、 4: Parameters of ability for finishing, Guideline, published by the European Committee for Standardization (CEN). ENV 635-4:1996 was produced as a result of international discussions in which the United Kingdom took an active part. ENV 635-4 does not relate to any Part of BS 6566:1985. This publica
10、tion is not to be regarded as a British Standard It is being issued in the Draft for Development series of publications and is of a provisional nature. It should be applied on this provisional basis so that information and experience of its practical application may be obtained. Comments arising fro
11、m the use of this Draft for Development are requested so that UK experience can be reported to the European organization responsible for its conversion to a European Standard. A review of this publication will be initiated 2 years after its publication by the European organization, so that a decisio
12、n can be taken on its status at the end of its 3-year life. The commencement of the review period will be notified by an announcement in BSI Update. According to the replies received by the end of the review period, the responsible BSI Committee will decide whether to support the conversion into a E
13、uropean Standard, to extend the life of the prestandard or to withdraw it. Comments should be sent in writing to the Secretary of BSI Technical Committee B/541 at BSI, 389 Chiswick High Road, London W4 4AL, giving the document reference and clause number and proposing, where possible, an appropriate
14、 revision of the text. NOTEENV 635-4 makes a normative reference to EN 636-1, EN 636-2 and EN 636-3, which are currently in preparation. Cross-references Publication referred toCorresponding British Standard EN 314-2:1993BS EN 314 Plywood Bonding quality Part 2:1993 Requirements BS EN 635 Plywood Cl
15、assification by surface appearance EN 635-1:1994Part 1:1995 General EN 635-2:1995Part 2:1995 Hardwood EN 635-3:1995Part 3:1995 Softwood Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the ENV title page, pages 2 to 6, an inside back cover and a back cov
16、er. 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. Licensed Copy: London South Bank University, London South Bank University, Tue Dec 12 05:49:13 GMT+00:00 2006, Uncontrolled Copy,
17、 (c) BSI EUROPEAN PRESTANDARD PRNORME EUROPENNE EUROPISCHE VORNORM ENV 635-4 September 1996 ICS 79.060.10 Descriptors: Plywood, appearance, classifications, area, finishing, durability, categories English version Plywood Classification by surface appearance Part 4: Parameters of ability for finishin
18、g, Guideline Contreplaqu Classification selon laspect des faces Partie 4: Paramtres daptitude la finition, Guide Sperrholz Klassifizierung nach dem Aussehen der Oberflche Teil 4: Einflugren auf die Eignung zur Oberflchenbehandlung, Leitfaden This European Prestandard (ENV) was approved by CEN on 199
19、6-08-11 as a prospective standard for provisional application. The period of validity of this ENV is limited initially to three years. After two years the members of CEN will be requested to submit their comments, particularly on the question whether the ENV can be converted into an European Standar
20、d (EN). CEN members are required to announce the existance of this ENV in the same way as for an EN and to make the ENV available promptly at national level in an appropriate form. It is permissible to keep conflicting national standards in force (in parallel to the ENV) until the final decision abo
21、ut the possible conversion of the ENV into an EN is reached. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European C
22、ommittee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1996 Copyright reserved to CEN members Ref. No. ENV 635-4:1996 E Licensed Copy: London South Bank University, London South Bank University, Tue Dec 12 0
23、5:49:13 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ENV 635-4:1996 BSI 04-1999 2 Foreword This European Prestandard has been prepared by Technical Committee CEN/TC 112 “Woodbased panels”, the secretariat of which is held by DIN. This standard is one of a series for the classification of plywood by su
24、rface appearance. The other parts of this series are listed in clause 2. According to the CEN/CENELEC Internal Regulations, the national standards organisations of the following countries are bound to announce this European Prestandard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Ic
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