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GB/T 28478-2024: Outdoor furniture - General technical requirements for tables and chairs
Status: Valid GB/T 28478: Evolution and historical versions
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| GB/T 28478-2024 | English | 1339 |
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Outdoor furniture - General technical requirements for tables and chairs
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GB/T 28478-2024
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| GB 28478-2012 | English | 1879 |
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General safety requirements of outdoor leisure furniture -- Seating and tables
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GB 28478-2012
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PDF similar to GB/T 28478-2024
Basic data | Standard ID | GB/T 28478-2024 (GB/T28478-2024) | | Description (Translated English) | Outdoor furniture - General technical requirements for tables and chairs | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Y81 | | Classification of International Standard | 97.140 | | Word Count Estimation | 66,672 | | Date of Issue | 2024-06-29 | | Date of Implementation | 2025-01-01 | | Older Standard (superseded by this standard) | GB 28478-2012 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 28478-2024: Outdoor furniture - General technical requirements for tables and chairs---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 97.140
CCSY81
National Standards of People's Republic of China
Replaces GB 28478-2012
General technical requirements for outdoor furniture tables and chairs
Released on 2024-06-29
2025-01-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface V
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Requirement 2
5 Test methods 4
6 Inspection rules 13
7 Labeling, instructions for use, packaging, transportation and storage 14
Appendix A (Normative) Strength and durability test methods for chairs (stools) 16
Appendix B (Normative) Stability test method for chair (stool) products 35
Appendix C (Normative) Mechanical properties test of table products 47
Figure 1 Schematic diagram of a reclining chair 2
Figure 2 Schematic diagram of seat surface loading pad 6
Figure 3 Seat loading pad shape --- machining 7
Figure 4 Seat loading pad shape --- injection molding 8
Figure 5 Schematic diagram of handrail fatigue test 9
Figure 6 Schematic diagram of handrail loading device 10
Figure 7 Schematic diagram of the support device 10
Figure 8 Stability loading pad example 11
Figure 9 Overall schematic diagram of the stability loading device 12
Figure 10 Schematic diagram of forward and side loading fixture 12
Figure 11.Illustration of a movable recliner that cannot be moved when loaded 15
Figure A.1 Determination of the loading points of the seat surface and the backrest 17
Figure A.2 Schematic diagram of static loads on seat surface and backrest 20
Figure A.3 Schematic diagram of additional static loads on seat surface and leg rest 21
Figure A.4 Schematic diagram of the durability of reclining chair seat and backrest 22
Figure A.5 Diagram of additional durability of seat surface 23
Figure A.6 Schematic diagram of vertical downward static load of handrail 25
Figure A.7 Schematic diagram of reclining chair impact 27
Figure A.8 Schematic diagram of the movable reclining chair lifting test 28
Figure A.9 Schematic diagram of the forward static load test on chair legs 32
Figure A.10 Schematic diagram of the lateral static load test on chair legs 33
Figure A.11 Schematic diagram of seat surface impact test 34
Figure B.1 Schematic diagram of forward tipping test 36
Figure B.2 Schematic diagram of lateral rollover test 37
Figure B.3 Schematic diagram of backward tipping test 38
Figure B.4 Test example of reclining chair with leg rest 39
Figure B.5 X and Z values 40
Figure B.6 Loading point of a rigid chair (stool) with a large front radius 42
Figure B.7 Schematic diagram of chair (stool) forward tipping test 43
Figure B.8 Schematic diagram of the rollover test of a chair (stool) without armrests 44
Figure B.9 Schematic diagram of the rollover test of a chair (stool) with armrests 45
Figure B.10 Schematic diagram of backward tipping test 46
Figure C.1 Schematic diagram of vertical static load test on main tabletop 47
Figure C.2 Schematic diagram of additional vertical static load test 48
Figure C.3 Schematic diagram of vertical static load test on auxiliary tabletop 49
Figure C.4 Schematic diagram of horizontal durability test 50
Figure C.5 Determination of vertical stability load 54
Figure C.6 Schematic diagram of vertical stability test 55
Figure C.7 Schematic diagram of stability test for tables with parasol support function 56
Table 1 Mechanical properties of reclining chair 3
Table 2 Mechanical properties of other chairs (stools) 3
Table 3 Mechanical properties of tables 4
Table 4 Factory inspection sampling plan 13
Table A.1 Static load test parameters for seat surface and backrest 18
Table A.2 Determination of seat surface and seat back loading force 19
Table A.3 Additional static load test parameters for seat surface and leg rest 20
Table A.4 Seat and back durability test parameters 21
Table A.5 Seat surface additional durability test parameters 23
Table A.6 Seat back mechanism durability test parameters 24
Table A.7 Handrail vertical downward static load test parameters 25
Table A.8 Handrail durability test parameters 26
Table A.9 Seat surface impact test parameters 26
Table A.10 Movable reclining chair lifting test parameters 28
Table A.11 Static load test parameters for seat surface and backrest 29
Table A.12 Static load test parameters for the front edge of the seat surface 29
Table A.13 Seat and backrest durability test parameters 30
Table A.14 Durability test parameters for chair backs with adjustable backs 30
Table A.15 Handrail static load test parameters 30
Table A.16 Handrail durability test parameters 31
Table A.17 Chair leg forward static load test parameters 31
Table A.18 Chair leg lateral static load test parameters 32
Table A.19 Seat surface impact test parameters 33
Table A.20 Static load test parameters for footrest crossbar 34
Table B.1 Location of the various parts of the recliner 35
Table B.2 Recliner test parameters 35
Table B.3 Values of X and Z 39
Table B.4 Position of each part of chair (stool) during test 41
Table B.5 Test parameters for non-reclining chairs 41
Table C.1 Main tabletop vertical static load test parameters 47
Table C.2 Additional vertical static load test parameters 48
Table C.3 Auxiliary table vertical static load test parameters 49
Table C.4 Horizontal durability test parameters 49
Table C.5 Vertical loading stability test parameters 53
Table C.6 Determination of vertical load 54
Table C.7 Push-pull member loading stability test parameters 55
Table C.8 Stability test parameters for tables with parasol support function 56
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document replaces GB 28478-2012 "Safety performance requirements for outdoor leisure furniture - Tables and chairs" and is consistent with GB 28478-2012.
In addition to structural adjustments and editorial changes, the main technical changes are as follows.
a) The scope has been changed (see Chapter 1, Chapter 1 of the.2012 edition);
b) Deleted the terms and definitions of “parts accessible during use” (see 3.1 of the.2012 edition), “automatic locking mechanism” (see
2012 edition 3.2), “Shear and crush points” (see.2012 edition 3.3), “Commercial outdoor leisure furniture” (see.2012 edition
3.4 of the.2012 edition), “household outdoor leisure furniture” (see 3.5 of the.2012 edition), “outdoor leisure furniture for camping” (see
3.6), “stool” (see 3.7 of the.2012 edition), “chair with adjustable back” (see 3.8 of the.2012 edition), “bench” (see
3.9), “removable reclining chairs” (see 3.11 of the.2012 edition), “footstools” (see 3.12 of the.2012 edition), “footrests” (see 3.13 of the.2012 edition),
3.13 of the year);
c) Changed the term "reclining chair" in the terms and definitions (see 3.1, 3.10 of the.2012 edition);
d) The appearance performance requirements have been changed (see 4.1, 6.1 and 6.2 of the.2012 edition);
e) The product structure requirements have been changed (see 4.2, 6.1 and 6.2 of the.2012 edition);
f) The shear and extrusion point requirements have been deleted (see 6.1.3 and Appendix A of the.2012 edition);
g) Changed the requirements for hazardous substances in products (see 4.3, 6.1 and 6.2 of the.2012 edition);
h) The physical and chemical performance requirements have been changed (see 4.4, 6.1 and 6.2 of the.2012 edition);
i) The mechanical property requirements for chairs (stools) have been changed (see 4.5.1, 6.3, 6.4 and Appendix B of the.2012 edition);
j) Changed the mechanical performance requirements for tables (see 4.5.2, 6.5 of the.2012 edition);
k) The appearance performance test method has been changed (see 5.1, 7.1 to 7.6 of the.2012 edition);
l) The product structure test method has been changed (see 5.2, 7.1 to 7.6 of the.2012 edition);
m) The test method for hazardous substances in products has been changed (see 5.3, 7.1 to 7.6 of the.2012 edition);
n) The test methods for physical and chemical properties have been changed (see 5.4, 7.1 to 7.6 of the.2012 edition);
o) The general test conditions have been changed (see 5.5.1, Chapter 4 of the.2012 edition);
p) The test rod has been deleted (see 5.1 of the.2012 edition);
q) Changed the ground (see 5.5.2.2, 5.3 of the.2012 edition), loading positioning template (see 5.5.2.3, 5.4 of the.2012 edition), seat surface reinforcement
Loading pads (see 5.5.2.4, 5.5 of the.2012 edition), small seat loading pads (see 5.5.2.5, 5.6 of the.2012 edition), seat back loading pads
(see 5.5.2.6, 5.7 of the.2012 edition), local loading pads (see 5.5.2.7, 5.8 of the.2012 edition), foam pads (see
5.5.2.8, 5.9 of the.2012 edition), seat impactor (see 5.5.2.9, 5.12 of the.2012 edition), armrest durability test device (see
5.5.2.10, 5.13 of the.2012 edition), loading plate (see 5.5.2.11, 5.14 of the.2012 edition), test steel pipe (see 5.5.2.13,
5.16 of the.2012 edition), stopper (see 5.5.2.14, 5.17 of the.2012 edition);
r) Deleted the double seat loading pad (see 5.10 of the.2012 edition) and double seat back loading pad (see 5.11 of the.2012 edition);
s) Added stability loading pad (see 5.5.2.15) and stability loading device (see 5.5.2.16);
t) Changed the test method for mechanical properties of chairs (stools) (see 5.5.3, Appendix A, Appendix B,.2012 edition 7.7, Appendix B, Appendix
Appendix C, Appendix D);
u) The test method for mechanical properties of table products has been changed (see 5.5.4, Appendix C, 7.8 of the.2012 edition);
v) Added inspection rules (see Chapter 6);
w) The marking, instructions for use, packaging, transportation and storage have been changed (see Chapter 7, Chapter 9 of the.2012 edition);
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by China Light Industry Federation.
This document is under the jurisdiction of the National Furniture Standardization Technical Committee (SAC/TC480).
This document was drafted by. Zhejiang Light Industrial Products Quality Inspection Institute, Shanghai Quality Supervision and Inspection Technology Research Institute, Zhejiang Yongqiang Group
Group Co., Ltd., Zhejiang Linya Co., Ltd., Foshan Shunde District Hangao Furniture Products Co., Ltd., Jinhua Xineng Folding Table Manufacturing Co., Ltd.
Co., Ltd., Ningbo Yixiang Blow Molding Furniture Co., Ltd., Linhai Metrology Verification and Testing Institute, Huizhou Chengye Furniture Co., Ltd., Guangdong Products
Quality Supervision and Inspection Institute, Zhejiang Tianlong Tourism Products Co., Ltd., Beijing Product Quality Supervision and Inspection Institute, Hangzhou Haiweite Chemical
Technology Co., Ltd., Zhejiang Tapson Industrial Group Co., Ltd., Yuyao Xinchao Furniture Co., Ltd., Zhejiang Yongxin Testing Technology Co., Ltd.,
Foshan Shunde Meiyaxin Furniture Industry Co., Ltd., Quanyou Furniture Co., Ltd., Zhejiang Shengxue Leisure Products Co., Ltd., Shengji Home Furnishings Co., Ltd.
Product Development (Jiashan) Co., Ltd., Guangdong Bogao Sanitary Ware Co., Ltd.
The main drafters of this document are. Zhong Wenhan, Luo Jufen, Chen Xixi, Luo Ligang, Wang Jin, Wang Dingke, Zhao Niangao, Sun Guohua, Jiang Jinglei,
He Weilong, Hu Guoqian, Cao Zuolin, Wang Hongqiang, Hu Gairui, Sun Shudong, Shen Haiqi, Lin Jianjun, Yang Baoqing, Zheng Jianbo, Wang Xiaoyan, Xiong Feng,
Zhang Youquan, Zhu Xiaohui, Zhu Yunzhi, Chen Weizhong, and Shi Yacheng.
The previous versions of this document and the documents it replaces are as follows.
---First published in.2012 as GB 28478-2012;
---This is the first revision.
General technical requirements for outdoor furniture tables and chairs
1 Scope
This document specifies the technical requirements, inspection rules, marking, use, and use of camping, household and commercial outdoor tables (tables), chairs (stools) for adults.
Instructions for use, packaging, transportation and storage, and the corresponding test methods are described.
This document applies to quality control during the design, production, installation and sales of outdoor tables and chairs for adults.
This document does not apply to the material design/structure or manufacturing process of outdoor tables and chairs, electrical safety, castors, tilt mechanisms and seat height.
The durability of the adjustment mechanism does not apply to removable upholstered parts and coverings and permanently fixed furniture.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 250 Textiles - Grey scale for colour fastness tests
GB/T 2828.1-2012 Sampling procedures for inspection by attributes Part 1.Sampling for batch inspection based on acceptance quality limit (AQL)
plan
GB/T 3325-2017 General technical requirements for metal furniture
GB/T 3922-2013 Textiles - Tests for colour fastness - Colour fastness to perspiration
GB/T 8427-2019 Textiles - Tests for colour fastness - Colour fastness to artificial light. Xenon arc fading
GB/T 10357.1-2013 Furniture mechanical properties test Part 1.Strength and durability of tables
GB/T 10357.3-2013 Mechanical properties test of furniture Part 3.Strength and durability of chairs and stools
GB/T 16422.2-2022 Plastics laboratory light source exposure test method Part 2.Xenon arc lamp
GB/T 28202 Furniture Industry Terminology
GB/T 31106 Determination of volatile organic compounds in furniture
GB 28008-2024 Technical specification for furniture structure safety
GB 18584-2024 Limits of Hazardous Substances in Furniture
QB/T 3826 Test method for corrosion resistance of metal coatings and chemical treatment layers of light industrial products Neutral salt spray test (NSS) method
3 Terms and definitions
The terms and definitions defined in GB/T 28202 and GB/T 31106 and the following apply to this document.
3.1
lounger
Lying in bed
Chairs with a backrest tilt angle ranging from 0° to 90°, a legrest integrated into the product as a whole, and a design that can fully bear the weight of the user
products (see Figure 1).
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