ISO/R 1141:1969

Title missing - Legacy paper document

ISO/R 1141:1969

Name:ISO/R 1141:1969   Standard name:Title missing - Legacy paper document
Standard number:ISO/R 1141:1969   language:English language
Release Date:31-Dec-1968   technical committee:ISO/TMBG - Technical Management Board - groups
Drafting committee:ISO/TMBG - Technical Management Board - groups   ICS number:
Ref. No. : ISO/R 1141-1969 (E)
UDC 677.718
IS0
FOR S TA N DARD I Z AT1 O N
I N T E R N AT I O N A L ORGANIZATION
IS0 RECOMMENDATION
R 1141
THREE-STRAND POLYESTER MULTI FILAMENT ROPES
1st EDITION
November 1969
COPYRIGHT RESERVED
The copyright of IS0 Recommendations and IS0 Standards
belongs to IS0 Member Bodies. Reproduction of these
documents, in any country, may be authorized therefore only
by the national standards organization of that country, being
a member of ISO.
For each individual country the only valid standard is the national standard of that country.
Printed in Switzerland
Also issued in French and Russian. Copies to be obtained through the national standards organizations.

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BRIEF HISTORY
The IS0 Recommendation R 1141, Three-strand polyester multifilament ropes, was drawn up by Technical
Committee ISO/TC 38, Textiles, The Secretariat of which is held by the British Standards Institution (BSI).
Work on this question led to the adoption of a Draft IS0 Recommendation.
\
In April 1968, this Draft IS0 Recommendation (No. 1344) was circulated to all the IS0 Member Bodies for
L
enquiry. It was approved, subject to a few modifications of an editorial nature, by the following Member Bodies :
Belgium Ireland South Africa, Rep. of
Czechoslovakia Israel Spain
Denmark Japan Sweden
France New Zealand Switzerland
Germany Norway Turkey
Hungary Poland U.A.R.
India Portugal United Kingdom
I ran Romania U.S.S.R.
Four Member Bodies opposed the approval of the Draft :
Australia
Brazil
Italy
Netherlands
‘i
The Draft IS0 Recommendation was then submitted by correspondence to the IS0 Council, which decided,
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in November 1969, to accept it as an IS0 RECOMMENDATION.

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ISO/R 1141-1969(E)
November 1969
IS0 Recommendation R 1141
THREE-STRAND POLYESTER MULTI FI LAMENT ROPES
1. SCOPE
This IS0 Recommendation specifies the essential characteristics of three-strand ropes consisting of continuous
multifilaments belonging to the polyester group, of a relative density of approximately 1.38. It applies to
ropes of this type whose net mass per metre is between 14 and 7400 g and whose nominal diameters are from
4 to 96 mm inclusive.
2. MANUFACTURE
2.1 Construction
The ropes should be formed of strands manufactured from new material. The ropes and strands should
be continuous without splices.
When agreed between the purchaser and supplier, ropes of nominal diameter equal to 20 mm (net mass
per metre of 320 g) or more may have a core in the strands consisting of continuous multifilaments
without twist.
Polyester ropes, unless otherwise specified, should be made of strands twisted together with a Z lay,
these strands themselves being made with an S lay.
The number of yarns, or yams and untwisted multifilaments, should be the same for all the strands
in the rope.
2.2 Treatment
Ropes should be heat treated to set the lay and obtain dimensional stability.
Polyester ropes are generally supplied in the natural state, i.e. without any impregnation or coating
treatment. At the request of the purchaser they may be coated or impregnated in order to give special
characteristics.
The natu
...

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