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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 23103-2008 Beach umbrella. In addition to a number of editorial changes, and the following technical changes have been made with respect to GB/T 23103-2008:
——the normative references are added (see Clause 2; Clause 2 of Edition 2008);
——the general requirements and test method are added (see 5.1 and 6.1);
——the requirements and test methods for specification/dimensions are modified (see 5.6 and 6.6; 5.5 and 6.5 of Edition 2008);
——the requirements for and test methods of product integrity are modified (see 5.7 and 6.7; 5.6 and 6.6 of Edition 2008);
——the structural schematic diagram for beach umbrella is modified (see Figure 1; Figure 1 of Edition 2008);
——the requirements and test methods for safety of use are deleted (see 5.7 and 6.7 of Edition 2008);
——the requirements and test methods for switch performance are deleted (see 5.8 and 6.8 of Edition 2008);
——the requirements and test methods for bonding strength of umbrella rods are deleted (5.9 and 6.9 of Edition 2008);
——the requirements for failure-free continuous opening/closing times are modified (see 5.9; 5.11 of Edition 2008);
——the requirements and test methods for rain-proof performance are modified (see 5.10 and 6.10; 5.12 and 6.12 of Edition 2008);
——the requirements for color fastness are modified (see 5.11; 5.13 of Edition 2008);
——the requirements and test methods for tensile strength of plastic umbrella cover are deleted (see 5.14 and 6.14 of Edition 2008);
——the requirements and test methods for UV proof performance of umbrella cover are deleted (see 5.17 and 6.17 of Edition 2008);
——the test methods for umbrella ribs are modified (see 6.12; 6.15 of Edition 2008);
——the inspection rules are modified (see Clause 7; Clause 7 of Edition 2008);
——the marking requirements are modified (see 8.1; 8.1 of Edition 2008);
This standard was proposed by China National Light Industry Council.
This standard is under the jurisdiction of SAC/TC 556 National Technical Committee on Umbrella of Standardization Administration of China.
The previous edition of this standard is as follows:
——GB/T 23103-2008.
Introduction
Attention of the organization which issues this document shall be drawn to the fact that claims of compliance with 6.10 of this document may involve the use of patents related to sprinkling test apparatus and test method.
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 on the basis of fairness, reasonableness and nondiscrimination. In this respect, the statement of the holder of this patent right is registered with the issuing body 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 of the elements of this document may be the subject of patent rights other than those identified above. The issuing body of this standard shall not be held responsible for identifying any or all such patent rights.
Beach umbrella
1 Scope
This standard specifies the classification, requirements, test methods, inspection rules and marking, packaging, transportation and storage for beach umbrella.
This standard is applicable to hand-open beach umbrellas made of different fabrics and umbrella stands.
This standard is applicable to mechanical or electrodynamic beach umbrellas.
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 (including any amendments) applies.
GB/T 250-2008 Textiles - Tests for colour fastness - Grey scale for assessing change in colour
GB/T 251-2008 Textiles - Tests for color fastness - Grey 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 the manufacture of medical devices
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 4743 Specification and dimension of umbrellas
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
beach umbrella
umbrella that may be fixed and used in different places
3.2
directional
with the angle of umbrella rod unadjustable
3.3
direction changeable
with the angle of umbrella rod adjustable
4 Product classification
4.1 By rib structure, umbrellas may be classified into straight umbrellas and telescopic umbrellas.
4.2 By rod structure, umbrellas may be classified into directional umbrellas and direction changeable umbrellas.
5 Requirements
5.1 General
The safety performance of the product shall meet the requirements of GB 31892.
5.2 Appearance
5.2.1 The appearance shall be clean, free from stains and rust.
5.2.2 The electroplated parts and spraying coating parts shall be free from peeling, burrs, wrinkle, rust, bubble and exposed base.
5.2.3 Plastic parts shall be free from burrs, wrinkles and bubbles.
5.3 Sewing
The joints on umbrella cover shall not separate with or expose edges and shall be skipping stitch and broken stitch; the stitch length density shall be not less than 13 stitches in 5cm. For umbrella cover not larger than 1m, the pattern on it shall be free from dislocation exceeding 8mm. For umbrella cover larger than 1m, the pattern on it shall be free from dislocation exceeding 12mm.
5.4 Umbrella cover
Umbrella cover shall be free from hole, the total number of hand pick, thread out and broken picks on the same triangle of textile fabric shall not be larger than 2; and the total number of hand pick, thread out and broken picks on the same umbrella cover shall not be larger than 5.
5.5 Umbrella cover adhesion
Umbrella cover shall be free from adhesion, and the printing and the coating shall be free from falling off.
5.6 Specifications and dimensions
Specifications and dimensions shall be clearly stated on the product, and their representation and tolerance shall be in accordance with QB/T 4743.
5.7 Product integrity
After the test specified in 6.7, the product shall be integral and free from falling off.
5.8 Umbrella rod strength
After the test specified in 6.8, the umbrella rod shall be free from obvious deformation, bending and the damages affecting normal use.
5.9 Failure-free continuous opening/closing times
After being opened/closed 260 times, the umbrella shall be free from such phenomena as rivet falling off, clip displacement, wire string coil fracture, loosening, umbrella case defect and failure, spring malfunction, umbrella rib fracture, joint separation, joint hole off-thread and plating (coating) peeling. See Figure 1 for the schematic diagram of components of the umbrella.
5.10 Rain-proof performance
After the test specified in 6.10, the umbrella rod shall be free from flowing water, and the umbrella cover shall be free from drip and obvious vaporific water leakage. Those without rain-proof performance shall be indicated.
5.11 Color fastness
The color fastness of umbrella cover to water shall not be lower than Grade 3-4 specified in GB/T 250-2008 and GB/T 251-2008.
5.12 Umbrella rib
5.12.1 Umbrella rib elasticity for straight umbrella
After the test specified in 6.12.1, the chord height shall not be greater than 10mm.
5.12.2 Wind resistance strength of umbrella rib
After the test specified in 6.12.2, the rib may be turned over, but shall be free from any damage affecting normal use.
Keys:
1——base; 8——short rib (supporting rib); 15——wind-proof pulling rib;
2——fixed inserted link; 9——bead tail; 16——spring;
3——lower rod; 10——long rib; 17——middle case (middle nest);
4——connecting piece; 11——small bridge piece (clip); 18——umbrella cover;
5——middle rod; 12——rivet; 19——topping (umbrella tail);
6——lower case (lower nest); 13——steering gear; 20——upper case (upper nest);
7——wire string coil; 14——upper rod; 21——topping lace/top cloth
Figure 1 Structure diagram of beach umbrella
5.13 Corrosion resistance
5.13.1 After neutral salt spray test, 4h for umbrella rod and 2h for other parts according to the requirements of QB/T 3826, the corrosion resistance of metal electroplated parts shall not be lower than Grade 4 specified in QB/T 3832-1999.
5.13.2 After the test specified in 6.13.2, the painting and plastic spraying pieces shall be free from wrinkle, falling off and rust.
Foreword II
Introduction IV
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