FR2402724A1 - Effect yarn prodn. - by creating overfeed of spun yarn on open=end spinning machine - Google Patents
Effect yarn prodn. - by creating overfeed of spun yarn on open=end spinning machineInfo
- Publication number
- FR2402724A1 FR2402724A1 FR7727551A FR7727551A FR2402724A1 FR 2402724 A1 FR2402724 A1 FR 2402724A1 FR 7727551 A FR7727551 A FR 7727551A FR 7727551 A FR7727551 A FR 7727551A FR 2402724 A1 FR2402724 A1 FR 2402724A1
- Authority
- FR
- France
- Prior art keywords
- yarn
- sliver
- end spinning
- overfeed
- prodn
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/34—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The yarns have regular or random thickened portions of varying length. A fibrous ribbon or sliver of constant wt. is fed to the spinning device, and the number of fibres in the rotor is altered by varying the speed of withdrawal of the spun yarn by provision of an overfeed arrangement comprising the accumulation by yarn in a storage device. A pressure roller is supported on the withdrawal roller, for the yarn leaving the rotor, and is regularly or randomly lifted from it to allow the accumulated material to be removed at constant speed, with creaction of thickened portions. The prodn. of effect yarns on open end spinning machines is usually effected by the regular feeding of a sliver of varying wt., or by the irregular feeding of a sliver of constant wt. Both methods require special prepn., either of the sliver or the equipment. The present method produces slub yarns on open end spinning machines without such inconvenience using a simple process.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7727551A FR2402724A1 (en) | 1977-09-07 | 1977-09-07 | Effect yarn prodn. - by creating overfeed of spun yarn on open=end spinning machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7727551A FR2402724A1 (en) | 1977-09-07 | 1977-09-07 | Effect yarn prodn. - by creating overfeed of spun yarn on open=end spinning machine |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2402724A1 true FR2402724A1 (en) | 1979-04-06 |
FR2402724B1 FR2402724B1 (en) | 1980-08-01 |
Family
ID=9195304
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7727551A Granted FR2402724A1 (en) | 1977-09-07 | 1977-09-07 | Effect yarn prodn. - by creating overfeed of spun yarn on open=end spinning machine |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2402724A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2575195A1 (en) * | 1984-12-21 | 1986-06-27 | Lancon Pierre | Installation for the production of fancy yarns |
CN102560767A (en) * | 2012-02-11 | 2012-07-11 | 东华大学 | Intermittently yarn feeding device capable of triggering rollers directly in intermittent composite spinning and method and application thereof |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102618981B (en) * | 2012-02-11 | 2014-07-02 | 东华大学 | Torsion release intermittent yarn feeding device for interrupted composite yarn spinning, method and application |
-
1977
- 1977-09-07 FR FR7727551A patent/FR2402724A1/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2575195A1 (en) * | 1984-12-21 | 1986-06-27 | Lancon Pierre | Installation for the production of fancy yarns |
CN102560767A (en) * | 2012-02-11 | 2012-07-11 | 东华大学 | Intermittently yarn feeding device capable of triggering rollers directly in intermittent composite spinning and method and application thereof |
Also Published As
Publication number | Publication date |
---|---|
FR2402724B1 (en) | 1980-08-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |