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GB/T 4692: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 4692-2008 | English | 149 |
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Leather -- Measure of defects of finished leather
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GB/T 4692-2008
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| GB/T 4692-1984 | English | 199 |
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Calculation and measuring the defects of leather
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GB/T 4692-1984
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PDF similar to GB/T 4692-2008
Basic data
| Standard ID | GB/T 4692-2008 (GB/T4692-2008) |
| Description (Translated English) | Leather -- Measure of defects of finished leather |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | Y46 |
| Classification of International Standard | 59.140.30 |
| Word Count Estimation | 4,480 |
| Date of Issue | 2008-07-31 |
| Date of Implementation | 2009-05-01 |
| Older Standard (superseded by this standard) | GB/T 4692-1984 |
| Regulation (derived from) | National Standard Approval Announcement 2008 No.12 (Total No.125) |
| Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China |
| Summary | This standard specifies the finished leather defect classification, measuring and calculating the defect area, This standard applies to finished leather. |
GB/T 4692-2008: Leather -- Measure of defects of finished leather
---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.
Leather. Measure of defects of finished leather
ICS 59.140.30
Y46
National Standards of People's Republic of China
Replacing GB/T 4692-1984
Measurement and calculation of finished leather defects
Posted 2008-07-31
2009-05-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard replaces GB/T 4692-1984 "finished leather defect measurement."
This standard and GB/T 4692-1984 compared to the main changes are as follows.
--- Increase the "scope";
--- Canceled the definition of the term "defect" in;
--- The "types of defects" to "defect classification";
--- The "defect area measurements and calculations", "measured and calculated flawed provisions" simplified merger "defect area measurements and calculations."
The standard proposed by China National Light Industry Council.
This standard by the National Leather Industry Standardization Technical Committee (SAC/TC252) centralized.
This standard was drafted. China Leather and Footwear Industry Research Institute.
The main drafters of this standard. Zhao Liguo.
This standard replaces the standards previously issued as follows.
--- GB/T 4692-1984.
Measurement and calculation of finished leather defects
1 Scope
This standard specifies the finished leather defect classification, measurement and calculation of defect areas.
This standard applies to leather products.
2 defect classification
Defects are classified according to their shape characteristics.
2.1 linear defect
It is linear defects, such as cracks, scratches and the like.
2.2-type surface defects
Defect in a certain area of \u200b\u200bthe exhibit regular or irregular shapes, such as scars, holes, mark and the like.
2.3 aggregation type defects
A variety of defects in a certain area gathered from each other no more than 7cm, such as lice or dispersed fly eye boil two (or more) adjacent defect
Polyethylene or cross together.
3 measurements and calculations defect area
3.1 linear defect area
Calculated by multiplying the length of the defect, such as a zigzag line, press include this line in the minimum rectangular area calculation.
Surface area of \u200b\u200b3.2-type defects
This defect by including the minimum rectangular area calculation.
Area of \u200b\u200b33,000 gathered Flaw
By one-half the minimum range including the defect rectangular area calculations.
3.4 measurement, calculation rules
Measured in centimeters defects, not all defects double counting, adjacent repetitive defects calculations include only the defect, including larger
A.
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