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This standard is developed in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB/T 23147-2008 Umbrella. In addition to a number of editorial changes, this part technically differs from GB/T 23147-2008 mainly in:
——the normative references are added (see Clause 2; Clause 2 of 2008 Edition);
——terms and definitions are modified (see Clause 3 and Clause 3 of 2008 Edition);
——the general requirements and test method are added (see 5.1 and 6.1);
——the requirements for sewing and specification/size are modified (see 5.4 and 5.5; 5.3 and 5.4 of 2008 Edition);
——the requirements and test methods of product completeness are modified (see 5.6 and 6.6; 5.5 and 6.5 of 2008 Edition);
—— the requirements and test methods for safety of use are deleted (see 5.7 and 6.7 of 2008 Edition);
—— the requirements and test methods for switch performance are deleted (see 5.8 and 6.8 of 2008 Edition);
——the requirements and test methods for opening and closing force of automatic open umbrella and automatic-open-and-close umbrella are modified (see 5.8 and 6.8; 5.9 and 6.9 of 2008 Edition);
——requirements and test methods for binding strength of components are deleted (see 5.10 and 6.10 of 2008 Edition);
——requirement for fault-free consecutive opening and closing times are modified (see 5.10; 5.12 of 2008 Edition);
——requirements and test methods for rain protection performance are modified (see 5.11 and 6.11; 5.13 and 6.13 of 2008 Edition);
——requirements for color fastness are modified (see 5.12.1; 5.14 of 2008 Edition);
——requirements and test methods for color fastness of plastic umbrella surface are added (see 5.12.2 and 6.12.2);
——test methods for tensile strength of plastic umbrella surface are modified (see 6.4.2; 6.3.2 of 2008 Edition);
——test methods for wind-resistant strength of umbrella rod and rib are modified (see 6.9 and 6.13.2; 6.11 and 6.15.2 for 2008 Edition);
——inspection rules are modified (see Clause 7; Clause 7 of 2008 Edition);
——marking requirements are modified (see 8.1; 8.1 of 2008 Edition);
——umbrella structural schematic diagram is modified (see Annex A; Annex A of 2008 Edition).
This standard was proposed by the China National Light Industry Council.
This standard is under the jurisdiction of National Technical Committee on Umbrella of Standardization Administration of China (SAC/TC 556).
The previous edition of the standard replaced by this standard is as follows:
—— GB/T 23147-2008.
Introduction
Attention of authority which issue this document shall be drawn to the fact that the information in 6.11 is subject of the patent rights related to sprinkling test apparatus and test method when making a statement of compliance with this document.
The issuing authority of this document does not propose any perspective for the scope, effectiveness and authenticity of the patents.
The patent holder has assured the issuing authority of this document that he allows any organization or individual to apply the technical content of the patents for free based on fairness, reasonableness and nondiscrimination. The patent holder's statement has been put on records at the issuing authority of this document. For relevant information, please refer to:
Patent holder: Hangzhou Paradise Umbrella Group Co., Ltd.
Address: No. 978, Xixi Road, Xihu District, Hangzhou, Zhejiang, China
Postal code: 310023
Email: info@umbrella.org.cn
Tel.: 0086-0571-85183111
Attention is drawn to the possibility that some other contents of this document may also be the subject of patent rights. The issuing authority of this document shall not be held responsible for identifying any or all such patent rights.
Umbrella
1 Scope
This standard specifies the classification, requirements, test methods, inspection rules and marking, packaging, transportation and storage of umbrella.
This standard is applicable to the umbrellas with textile fabric and plastic surface and stands made of different materials.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 250-2008 Textiles—Tests for color fastness—Grey scale for assessing change in color
GB/T 251-2008 Textiles—Tests for colour fastness—Gray scale for assessing staining
GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 2829-2002 Sampling procedures and tables for periodic inspection by attributes (apply to inspection of process stability)
GB/T 5713 Textiles—Tests for color fastness - Color fastness to water
GB/T 18457-2015 Stainless steel needle tubing for manufacture of medical devices
GB/T 18830 Textiles-Evaluation for solar ultraviolet radiation protective properties
GB 28477 Safety technical requirements for children umbrella
GB 31892 General safety specification of umbrellas
GB/T 31895 Umbrellas—Test method of wind resistance
QB/T 3826 Corrosion-resistant testing method of the metal deposits and conversion coatings for the light industrial products neutral salt spraying test (NSS)
QB/T 3832-1999 Evaluation of the corrosion test results of the metal deposits for the light industrial products
QB/T 4152-2010 Plastic umbrella
QB/T 4743 Specification and dimension of umbrellas
3 Terms and definitions
For the purposes of this document, the following terminologies and definitions apply.
3.1
child umbrella
an umbrella for children which is 50cm (including 50cm) or below from the center of the umbrella cap or umbrella tip to the center of the tip hole (slot)
3.2
compressive force of the umbrella rod
force from the compressive umbrella rod to the closing slot for automatic open-and-close umbrella.
4 Product classification
4.1 According to the type of opening and closing, umbrellas can be divided into hand-open umbrella, automatic-open umbrella and automatic-open-and-close umbrella.
4.2 According to the structure of rib, umbrellas can be divided into stick umbrella and telescopic umbrella.
5 Requirements
5.1 General
The safety performance of the product shall meet the requirements of GB 31892 and GB 28477.
5.2 Appearance
The appearance shall be clean without dirt mark and rusty stain.
5.3 Sewing
The seam of surface shall not be separated and exposed. It shall be free from the defects such as skipping stitch and broken stitch etc. The stitch length density shall be that there are not less than 15 needles in 5cm.
5.4 Umbrella surface
5.4.1 Umbrella surface shall be free from hole. Textile fabric shall be free from flush and the sum of the broken warp and weft shall not be larger than four at the same point.
5.4.2 The tensile strength of plastic umbrella surface shall not get fractured and damaged after passing the test of 6.4.2.
5.5 Specification and size
Specifications and sizes shall be clearly stated on the product, and their representation and tolerance shall be in accordance with QB/T 4743.
5.6 Product completeness
Product shall be complete and falling-off of the spare parts are not allowed after testing in 6.6.
5.7 Stability of lower plate of automatic open and automatic-open-and-close umbrella
After the umbrella is opened, the lower plate and the buffer spring (net) shall be positioned reliably and the hand feels not to move.
5.8 Opening and closing force of automatic open umbrella and automatic-open-and-close umbrella
5.8.1 The force value of the key (button) when the adult umbrella is opened or closed should be 10 N to 55 N.
5.8.2 For automatic-open-and-close umbrella, the compressive force of the umbrella rod should not exceed 100 N.
5.9 Wind-resistant strength of umbrella rod
After the test specified in 6.9, the umbrella's rod and rib shall be free from obvious deformation, bending and the damages affecting the normal use.
5.10 Fault-free consecutive opening and closing times
After opening and closing manually operated stick umbrella 600 times, automatic open stick umbrella 400 times, manually operated telescopic umbrella 400 times, automatic open telescopic umbrella 400 times and automatic-open-and-close umbrella 400 times, the rivets falling off, displacement of clamp code, fracture and looseness of the stings that link the disk, defection of umbrella disk, malfunction of malfunction spring, fracture of umbrella rib, separation of seam, run of seam hole, displacement of handle and peeling of plated coating shall not exist. See Annex A for umbrella structural schematic diagram.
Foreword i
Introduction iii
1 Scope
2 Normative references
3 Terms and definitions
4 Product classification
5 Requirements
6 Test methods
7 Inspection rules
8 Marking, packaging, transportation and storage
Annex A (Normative) Umbrella structural schematic diagram
