GB1188654A - Process for the Production of a Polyester Slub Yarn - Google Patents
Process for the Production of a Polyester Slub YarnInfo
- Publication number
- GB1188654A GB1188654A GB06587/67A GB1658767A GB1188654A GB 1188654 A GB1188654 A GB 1188654A GB 06587/67 A GB06587/67 A GB 06587/67A GB 1658767 A GB1658767 A GB 1658767A GB 1188654 A GB1188654 A GB 1188654A
- Authority
- GB
- United Kingdom
- Prior art keywords
- yarn
- range
- tension
- denier
- snubbing pin
- 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.)
- Expired
Links
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
- D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
- D02J1/22—Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch
- D02J1/227—Control of the stretching tension; Localisation of the stretching neck; Draw-pins
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/20—Formation of filaments, threads, or the like with varying denier along their length
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Artificial Filaments (AREA)
Abstract
1,188,654. Producing polyester slub yarns. GLANZSTOFF A.G. 11 April, 1967 [27 April, 1966 (2)], No. 16587/67. Heading B5B. [Also in Division D1] Polyester yarn varying in denier along its length (slub yarn) is produced by stretching an unstretched polyester yarn at a stretch ratio which is 60 to 80% of the stretch ratio at which it must be stretched in order to break when further stretched so that its length is increased by 20%, using a snubbing pin having a diameter of from 15 to 60 mm. and maintained at a temperature which is within the range of 60 to 105 C., preferably 65 to 85 C. The ratio of the tension in the yarn travelling from a feed roll to the snubbing pin to the tension in the yarn travelling from the snubbing pin to the draw roll is within the range 1:1À5 and 1:1À4 and the tension in the yarn travelling from the snubbing pin is maintained at a value within the range 0À2 to 1À1 grams per denier. The yarn may be spun at a speed of 800 to 1200 metres per minute at the draw-off roll, the yarn may be stretched at a stretch ratio within the range 2À5:1 to 3À1:1, and the snubbing pin may be maintained at a temperature within the range 65 to 85 C. The snubbing pin may have a matt chrome surface and a diameter of 25 to 40 mm. The ratio of the yarn tension may be within the range 1:1À9 to 1:2À6 and the tension in yarn travelling from the snubbing pin to the draw roll is from 0À45 to 0À9 g./den. A polyester slub yarn produced according to the invention may have an elongation at break of 30 to 80%, preferably 35 to 65%, a shrinkage of 20 to 50% when immersed in boiling water, and may have 15 to 35, preferably 20 to 30 slubs per metre, the distance between adjacent slubs or thicker portions of the yarn being 0À5 to 8, preferably 0À8 to 6 cm. The thicker and thinner portions of the yarn are dyeable to different extents. The ratio of the denier of the portions of the yarn of minimum denier to that of the portions of the yarn of maximum denier may be between 1:1À1 and 1:3À5, preferably between 1:1À2 and 1:2À8.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1966V0030940 DE1660675C3 (en) | 1966-04-27 | 1966-04-27 | Process for the production of polyester threads with fluctuations in titre |
| DEV18921U DE1950706U (en) | 1966-04-27 | 1966-04-27 | YARN WITH TITER VARIATIONS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1188654A true GB1188654A (en) | 1970-04-22 |
Family
ID=26001456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB06587/67A Expired GB1188654A (en) | 1966-04-27 | 1967-04-11 | Process for the Production of a Polyester Slub Yarn |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3478143A (en) |
| AT (1) | AT325191B (en) |
| BE (1) | BE695390A (en) |
| CH (1) | CH942167A4 (en) |
| DK (1) | DK128612B (en) |
| GB (1) | GB1188654A (en) |
| LU (1) | LU53369A1 (en) |
| NL (1) | NL6704702A (en) |
| SE (1) | SE306802B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5422547B2 (en) * | 1973-09-05 | 1979-08-07 | ||
| US4026098A (en) * | 1976-02-26 | 1977-05-31 | E. I. Du Pont De Nemours And Company | Production of yarn of polyester filaments having a random distribution along the filament length of thick and thin sections differing in dyeability |
| US4096222A (en) * | 1976-04-19 | 1978-06-20 | E. I. Du Pont De Nemours And Company | Process of treating polyester yarn to provide a pattern of portions that differ in dyeability |
| US4906519A (en) * | 1988-06-06 | 1990-03-06 | Basf Corporation | Variable denier filaments and method of producing same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1299628A (en) * | 1961-06-13 | 1962-07-27 | Rhodiaceta | Improvements to heating elements for heat treatment of thermoplastic fibers |
| GB1061626A (en) * | 1963-07-05 | 1967-03-15 | Fiber Industries Inc | Stretching polymethylene terephthalate filaments and yarns |
| US3275732A (en) * | 1963-07-05 | 1966-09-27 | Fiber Industries Inc | Process for preparing thick and thin novelty yarns |
| GB1050393A (en) * | 1964-02-05 | |||
| GB1064657A (en) * | 1964-10-21 | 1967-04-05 | Ici Ltd | Process for making variable denier yarn |
-
1967
- 1967-03-13 BE BE695390D patent/BE695390A/xx not_active IP Right Cessation
- 1967-03-17 CH CH942167D patent/CH942167A4/xx unknown
- 1967-03-31 DK DK180767AA patent/DK128612B/en unknown
- 1967-04-03 NL NL6704702A patent/NL6704702A/xx unknown
- 1967-04-06 AT AT328667A patent/AT325191B/en not_active IP Right Cessation
- 1967-04-06 LU LU53369D patent/LU53369A1/xx unknown
- 1967-04-11 GB GB06587/67A patent/GB1188654A/en not_active Expired
- 1967-04-14 US US630819A patent/US3478143A/en not_active Expired - Lifetime
- 1967-04-27 SE SE6001/67A patent/SE306802B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3478143A (en) | 1969-11-11 |
| CH942167A4 (en) | 1970-09-30 |
| SE306802B (en) | 1968-12-09 |
| DK128612B (en) | 1974-06-04 |
| LU53369A1 (en) | 1967-06-06 |
| BE695390A (en) | 1967-08-14 |
| NL6704702A (en) | 1967-10-30 |
| AT325191B (en) | 1975-10-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PE | Patent expired |