GB1379174A - Drawing apparatus - Google Patents
Drawing apparatusInfo
- Publication number
- GB1379174A GB1379174A GB1259272A GB1259272A GB1379174A GB 1379174 A GB1379174 A GB 1379174A GB 1259272 A GB1259272 A GB 1259272A GB 1259272 A GB1259272 A GB 1259272A GB 1379174 A GB1379174 A GB 1379174A
- Authority
- GB
- United Kingdom
- Prior art keywords
- roll
- yarns
- draw
- frame
- frames
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
1379174 Stretching filaments FIBER INDUSTRIES Inc 17 March 1972 [29 March 1971] 12592/72 Heading B5B [Also in Division D1] Yarns 12, 22 are drawn by being fed to the feed rolls 14, 24 of at least two adjacent draw frames, passing the yarns to a common draw roll 18 in one draw frame and thereafter passing the yarns to a second common roll 28 in the second draw frame. Roll 28 may have a greater linear velocity than roll 18, in order to produce further drawing, or it may have a smaller diameter or smaller angular velocity than roll 18 and thus acts as a relaxation roll. As shown two roll frames are modified to act as a three roll frame but a plurality of 2 to 4 roll frames may be modified to act as a 3 to 8 roll frame. The yarns 12, 22 may be monofilaments multifilaments supplied from a supply package or directly from an extruder. Polyester polyamide, polyolefin, polyacetyl, cellulose ether, acrylic, modacrylic, polyurethane (spandex) or polyvinyl chloride yarn may be used. In the example two polyethylene terephthalate yarns each comprising 24 filaments of 4À58 denier were passed through tension gates to feed rolls 14, 24, wherein 0À5% stretch was imparted. The feed rolls were at 80‹ C. to 110‹ C., draw roll 18 at 180‹ C. to 245‹ C. and relax roll 28 was at ambient temperature and its surface contained microprotuberances or was otherwise roughened. The draw ratio was from 1À1 to 1 to 7À0 to 1 and the relaxation imported between rolls 18, 28 was up to 50%, preferably 1 to 12%. The yarns were collected separately on ring and traveller takeups 21, 32.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12902671A | 1971-03-29 | 1971-03-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1379174A true GB1379174A (en) | 1975-01-02 |
Family
ID=22438130
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1259272A Expired GB1379174A (en) | 1971-03-29 | 1972-03-17 | Drawing apparatus |
Country Status (3)
Country | Link |
---|---|
CA (1) | CA960447A (en) |
DE (1) | DE2214779A1 (en) |
GB (1) | GB1379174A (en) |
-
1972
- 1972-03-17 GB GB1259272A patent/GB1379174A/en not_active Expired
- 1972-03-23 CA CA137,970A patent/CA960447A/en not_active Expired
- 1972-03-25 DE DE19722214779 patent/DE2214779A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2214779A1 (en) | 1972-10-12 |
CA960447A (en) | 1975-01-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1363605A (en) | Apparatus to procuce yarn | |
US3577873A (en) | Novel core yarns and methods for their manufacture | |
US3166885A (en) | Production of composite stretch yarns | |
GB1270935A (en) | Improvements relating to the spinning of textile yarns | |
US3342028A (en) | Method of producing an elastic core yarn | |
US3020697A (en) | Method and apparatus for producing multi-colored single yarn in simulation of ply yarn | |
US3796035A (en) | Semi-continuous filament combination yarn | |
US3251097A (en) | Methods for producing blended yarn | |
US3460338A (en) | Stretch yarn | |
US3303640A (en) | Method of producing composite elastic yarn | |
US3309863A (en) | Production of elastic yarns on the woolen system | |
US3102379A (en) | Shantung-effect yarn and method of production | |
GB1379174A (en) | Drawing apparatus | |
GB1454522A (en) | Bulked polyester textile yarns | |
US2880566A (en) | Process and apparatus for producing covered elastic thread | |
ES456976A1 (en) | Method of making a core yarn | |
US3393505A (en) | Composite elastic yarn | |
IL41729A (en) | Process for continuous texturizing unstretched polyethylene terephthalate by continuous stretching and false twisting | |
US3905076A (en) | Drawing apparatus | |
GB1098012A (en) | Improvements in or relating to elastic yarns and the manufacture thereof | |
US3392521A (en) | Method of making stretch yarn | |
GB1105596A (en) | Improvements relating to multifilament yarns | |
US3611522A (en) | Method of crimping continuous filament | |
GB1428759A (en) | Process for the production of multiple threads and their separation into monofil or multifil partial threads | |
GB1013071A (en) | Spinning of textile yarns |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |