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QB/T 2612-2003Industrial sewing machine Single needle upper and lower feed lockstitch sewing machine (English PDF)

工业缝纫机单针上、下复合送料平缝纫机头

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

December 11, 2003

Implementation date

May 1, 2004

Scope

QB/T 2612-2003 is the English-translated version of 工业缝纫机单针上、下复合送料平缝纫机头.

QB/T 2612-2003 is the Chinese standard "Industrial sewing machine Single needle upper and lower feed lockstitch sewing machine". This standard specifies: a single needle, under the composite feed sewing machine head product classification, requirements, test methods, inspection rules and signs, packaging, transportation and storage.

This standard applies to: sewing leather, leather, canvas and other thick material products on a single pin, under the compound feed sewing machine head (hereinafter referred to as the "head"). Issued on 2003-12-11, in force from 2004-05-01.

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Document preview — QB/T 2612-2003

National Standard of the People's Republic of China

ICS: 61.080
Classification: Y17

[Preview only]
1 Scope
2 Normative References
3 Terms and Definitions
3.1 Size designation and specification
3.2 Raw materials of double-face
4 Classification
5 Requirements
5.1 General requirements
6 Testing Conditions
7 Test Method
8 Inspection Rules
9 Marking, Packaging, Transport, Storage and Application Guideline

1 Foreword

QB/T 2612-2003 was issued by Ministry of Industry and Information Technology on 11 December 2003 and has been in force since 1 May 2004.

The QB/T prefix marks a recommended standard. It is not law in itself: it becomes binding when a contract names it, when a regulation or a mandatory standard refers to it, or when a producer declares conformity with it.

The document runs to 8 pages in English translation.

2 Scope Preview

This standard specifies: a single needle, under the composite feed sewing machine head product classification, requirements, test methods, inspection rules and signs, packaging, transportation and storage. This standard applies to: sewing leather, leather, canvas and other thick material products on a single pin, under the compound feed sewing machine head (hereinafter referred to as the "head").

QB/T 2612-2003 falls under ICS 61.080, in the field of clothing industry.

This catalogue holds 308 other QB/T standards in that field.

In this catalogue, QB/T standards carry edition years from 1990 to 2026.

3 About this standard

Sector: Light Industry Standard (Recommended)

Issued by: Ministry of Industry and Information Technology

English translation: about 8 pages (approximate)

Chinese original: about 11,174 characters

4 Related standards

Standards on related subjects:

QB/T 2540-2023 — Leather bracelets

GB/T 3564-1993 — Classification and names of components of bicycles, and basic technology

QB/T 1888-1993 — Spokes and nipples for bicycles

QB/T 4384.2-2025 — Test methods for energy consumption of sewing machines - Part 2: Roller carts

QB/T 1181-2025 — Industrial sewing machine - Glove sewing unit

QB/T 2039-2024 — Household sewing machine needle plate

5 Classification and status

International classification (ICS): 61.080

Chinese Standard Classification (CCS): Y 17

Prefix QB/T: recommended standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 8 pages — is available in the English PDF.

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