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Norm
ISO 4817:1984
Issue date: 1984 11 01
Household sewing machines — Determination of directional stability (drift)
The directional stability (drift) is caused by irregularities of the feed mechanism as an individual machine funktion, without using a sewing thread. The method is applic...
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Withdrawn
: 2013 11 18
Publisher:
International Organization for Standardization
Format:
Digital | 4 Pages
Language:
English
ICS
The directional stability (drift) is caused by irregularities of the feed mechanism as an individual machine funktion, without using a sewing thread. 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 definitions, principle, preparation of the sewing machine, prodcedure, expression of results and test report an annex which specifies material and apparatus.