GB1231156A - - Google Patents
Info
- Publication number
- GB1231156A GB1231156A GB1231156DA GB1231156A GB 1231156 A GB1231156 A GB 1231156A GB 1231156D A GB1231156D A GB 1231156DA GB 1231156 A GB1231156 A GB 1231156A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mandrels
- yam
- yarn
- path
- june
- 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
- 229920002302 Nylon 6,6 Polymers 0.000 abstract 1
- 238000013459 approach Methods 0.000 abstract 1
- 238000002788 crimping Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000012815 thermoplastic material Substances 0.000 abstract 1
- 238000011144 upstream manufacturing Methods 0.000 abstract 1
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
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
1,231,156. False-twist yarns; apparatus. J. P. STEVENS & CO. Inc. 9 June, 1969 [20 June, 1968], No. 29058/69. Headings DID and D1F. A process for crimping yam comprises pulling said yarn 31 downstream from a supply source 30 in a path leading to a take-up device 45, and at a point intermediate the source 30 and device 45, passing the yam while under tension around a plurality of rotatable mandrels 37, 39, 41 so that movement of the yam along the path causes the mandrels to rotate, the axes of the mandrels being at the same angle in relation to the path of the yarn as it approaches the respective mandrels, the angle being set between 10 and 80, the passage of the yam around the mandrels causing a twist back-up which is set by the application of heat at 35. The yam may be a thermoplastic material e.g. polyhexamethylene adipamide, and a tension of 0.001 to 6 grams per denier is applied to the yarn at a point upstream from the heater 35. The angles between the axes of the mandrels and the path of the yarn approaching the respective mandrels is . preferably 45.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US73844768A | 1968-06-20 | 1968-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1231156A true GB1231156A (en) | 1971-05-12 |
Family
ID=24968064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1231156D Expired GB1231156A (en) | 1968-06-20 | 1969-06-09 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3495390A (en) |
| BE (1) | BE734448A (en) |
| DE (1) | DE1931460A1 (en) |
| FR (1) | FR2011304A1 (en) |
| GB (1) | GB1231156A (en) |
| NL (1) | NL6909460A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4726180A (en) * | 1986-05-07 | 1988-02-23 | Rieter Scragg | False twist apparatus |
| US4956970A (en) * | 1987-10-23 | 1990-09-18 | Barmag Ag | False twist roll |
| CN108505168A (en) * | 2018-04-23 | 2018-09-07 | 海宁昌顺化纤有限公司 | A kind of scroll tube producing DTY low stretch yarns |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH525296A (en) * | 1969-06-20 | 1972-03-30 | Kugelfischer G Schaefer & Co | Process for frilting synthetic filaments |
| US4478037A (en) * | 1982-07-16 | 1984-10-23 | Stanley Backer | Twisting method and apparatus |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3026668A (en) * | 1962-03-27 | Method and apparatus for handling cables | ||
| US2991614A (en) * | 1953-03-25 | 1961-07-11 | Ubbelohde Leo | False twisting apparatus for producing crimped filamentary materials |
| US2988867A (en) * | 1960-02-26 | 1961-06-20 | Ind Rayon Corp | Method of handling a plurality of yarns during processing |
| NL271908A (en) * | 1960-11-28 | |||
| US3327461A (en) * | 1965-06-17 | 1967-06-27 | Turbo Machine Co | Apparatus and method for producing false twist in yarn |
| NL6603469A (en) * | 1966-03-17 | 1967-09-18 | ||
| US3422613A (en) * | 1967-05-08 | 1969-01-21 | Turbo Machine Co | Yarn assembly apparatus for false twisting yarn |
-
1968
- 1968-06-20 US US738447A patent/US3495390A/en not_active Expired - Lifetime
-
1969
- 1969-06-09 GB GB1231156D patent/GB1231156A/en not_active Expired
- 1969-06-12 BE BE734448D patent/BE734448A/xx unknown
- 1969-06-19 FR FR6920530A patent/FR2011304A1/fr not_active Withdrawn
- 1969-06-20 NL NL6909460A patent/NL6909460A/xx unknown
- 1969-06-20 DE DE19691931460 patent/DE1931460A1/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4726180A (en) * | 1986-05-07 | 1988-02-23 | Rieter Scragg | False twist apparatus |
| US4956970A (en) * | 1987-10-23 | 1990-09-18 | Barmag Ag | False twist roll |
| CN108505168A (en) * | 2018-04-23 | 2018-09-07 | 海宁昌顺化纤有限公司 | A kind of scroll tube producing DTY low stretch yarns |
| CN108505168B (en) * | 2018-04-23 | 2024-01-09 | 温州启辰纺织品有限公司 | False twister for producing DTY low stretch yarn |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2011304A1 (en) | 1970-02-27 |
| US3495390A (en) | 1970-02-17 |
| BE734448A (en) | 1969-11-17 |
| DE1931460A1 (en) | 1970-01-02 |
| NL6909460A (en) | 1969-12-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |