ISO 4814:1980 PDF
Household sewing machines — Determination of stability of needle thread tension
Household sewing machines — Determination of stability of needle thread tension
- Document status:
- Withdrawn
- Format:
- Electronic (PDF)
- Number of pages:
- 2
- Publication date:
- February 1, 1980
- Edition:
- ISO IS 4814 edition 1 version 1
- ICS:
- 61.080
Specifies a method of test for determining the variation of needle thread tension at given positions of the tension regulator. The method is applicable to motor-operated household sewing machines, but it may also be possible to apply it to hand- or treadle-operated machines. Includes additionally to principle, material and apparatus, procedure, expression of results and test report an annex which specifies the cotton thread.
Technical details
- Technical committee
- ISO/TC 148 - Sewing machines
- SKU
- ISO 4814:1980



