CA1044542A - Core yarn and method of making same - Google Patents
Core yarn and method of making sameInfo
- Publication number
- CA1044542A CA1044542A CA237,517A CA237517A CA1044542A CA 1044542 A CA1044542 A CA 1044542A CA 237517 A CA237517 A CA 237517A CA 1044542 A CA1044542 A CA 1044542A
- Authority
- CA
- Canada
- Prior art keywords
- filaments
- slubbing
- band
- core
- method defined
- 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
- 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
- D02G3/36—Cored or coated yarns or threads
- D02G3/367—Cored or coated yarns or threads using a drawing frame
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
A slubbing is formed into a thin band by a plurality of pairs of rollers. A core filament is thereafter applied to each face of this band and the two core filaments and band are then spun together to form a core yarn comprised of a coherent mass of fibers in which is imbedded a pair of parallel and spaced apart core filaments with some of the fibers of the mass between the spaced-apart filaments.
A slubbing is formed into a thin band by a plurality of pairs of rollers. A core filament is thereafter applied to each face of this band and the two core filaments and band are then spun together to form a core yarn comprised of a coherent mass of fibers in which is imbedded a pair of parallel and spaced apart core filaments with some of the fibers of the mass between the spaced-apart filaments.
Description
SPECIFICATION
~ield of the Invention .
The present invention relates to a core yarn.
More particularly this invention concerns a yarn having a core filament and a mass of a fleece-type fibers completely surrounding this core filament.
Backaround of the Invention A core yarn is known having a relatively strong core filament surrounded by a sot mass of fibers. Such a yarn is very soft yet at the same time has considerable longitudinal strength derived from the strong core filament.
The disadvantage of such a yarn i~ very frequently the fiber covering separates from the core. Furthermore the core filament is frequently eccentric to the yarn so that after only a small amount of wear this core filament is exposed.
Obiects of the Invention It i5 thereore an object to provide an improved core yarn.
Another object is to provide such a core yarn where-in the core filament is roughly centered within the yarn and wherein the covering does not tend to separate from the core filament.
Ye. another object is the provision of an imprsved method of making such a yarn.
Summarv of the Invention These objects are obtained according to the present invention in a yarn having a pair of such core ~ilarnents spaced apart within a fiber mass with a portion of this mass - 1 - il ~v A~ ~ v ~
constituting ~he covering between the two or more core filaments.
., With such a system the fiber mass is securely held by the core filaments especially when the core filaments are spun together around the mass between them. Thus separation of the fiber covering from the core filaments is almost rules out.
The strength and resistance to wear of such a yarn is sub-stantially greater than that of prior-art core yarms.
The yarn according to the present invention is made 10 by spinning a pair of core filaments with a fiber slubbing.
The core filaments are fed to a combining station spaced apart from each other and there united with the slubbing so that some o the slubbing is always between the two filaments. This , is effected in accordance with the present invention by form-ing the slubbing into a thin band, then applying the filaments to opposite sides of the band, and thereupon spinning to-gether the band and slubbing so that the filaments remain separated by at least a thickness of fiber equal to the thick-d ness of the slubbing band.
Thc filament~ in accordance with this invention may be fed to the combining station directly opposite one another on opposite sides of the slubbing band, that is both lying in a plane perpendicular to the plane of the band. It is also within the scope of the present invention to feed these fila-ments to the combines parallel to each other but spaced apart on opposite sides of the slubbing band from a plane perpen-dicular to this band.
` Brief Descri~tion of the Drawina The above and other objects, features, and advantages 30 will become more readily apparent from the follo~ing, reference ~.
: ` . - .:
~n4~s42 beiny made to the accompanying drawin~ in which:
FIG. 1 is a cross-section in enlarged scale throuyh a yarn according to this invention;
FIG. 2 is a partly diagrammatic perspective view showing a system for making the yarn accordiny to this inven-tion;
FIG. 3 is a section taken along line III - III of FIG. 2; and FIG. ~ is a ~ection similar to FIG. 3 illustra~ing another method of making the yarn accordin~ to this invention.
sDeci~ic Descri~tion A core-type yarn 10 is shown in FIG. 1. It comprises a coherent mass 16 formed of fibers such as wool, cotton, rayon, or staple fiber, in which is imbedded a pair of like and spaced--apart filaments 12 and 14 of high-strength synthetic-resin material such as polyester. The mass 16 has a cross-sectional area that is a multiple of that of the filaments 12 and 14.
The ilaments 12 and 14 can be mono~ilaments or a tightly wound thread but in any case have a longitudinal strength which i8 considerably greater than the longitudinal strength of the co-herent mass 16. m ese filaments 12 and 14 are spaced from each other with a portion 16' of the mass 16 between them.
As shown in FIGS. 2nd 3 this yarn 10 is made in an apparatus having a former 18 constituted by three aligned pairs 20, 22 and 24 of cylindrical rollers which advance a band 26 of slubbing in a direction D. The rollers 20 rotate faster than the rollers 22 which in turn rotate faster than the rollers 24 so that the slubbing 26 is formed into a thin upright band as illustrated in FIG. 3. A pair of guides 28 and 30 feed in the filaments 12 and 14, respectively, to the coI~bining station .~:. . .. .
~: : , . .. .:. :
.: ' ` - . . ' '; ~
5~
formed by the rollers 20. FIG. 3 illustrates how these fila-ments 12 and 14 are fed to opposite sides o~ the band 26 directly across from each other and both lying in a plane per-pendicular to the plane of the band 26 of the combining station.
~ n a region 36 between the combining rollers 20 and an eye 32, the slu'~bing band 26 and filaments 12 and 14 are spun together and then wound up on a ring-type spinner 34 having a spool 42 that i5 rotated at high speed with the yarn to be spun passiny through a traveler 40 on a ring 38 surround-ing the spool 42 as described on pages 376 and 377 of The ~ay Thinqs Work (Simon and Schuster: 1967).
It is also possible as sho~m in FIG. 4 to feed the two filaments 12 and 14 to opposite sides of the band 2~ at rollers 20' at the downstream end of the slubbing shaper arrangement 18, with the filaments 12 and 14 being positioned offset rom each other Oll opposite sides of the band 26. This may be e~fected by forming the rollers 20' with grooves 21 of~-~et from a plane perpendicular to the band 26. Even with this system it i9 noted that a portion 16' of the mass 16 in the finished yarn will al~7ays lie between the two filaments 12 and 14~
. .
~ield of the Invention .
The present invention relates to a core yarn.
More particularly this invention concerns a yarn having a core filament and a mass of a fleece-type fibers completely surrounding this core filament.
Backaround of the Invention A core yarn is known having a relatively strong core filament surrounded by a sot mass of fibers. Such a yarn is very soft yet at the same time has considerable longitudinal strength derived from the strong core filament.
The disadvantage of such a yarn i~ very frequently the fiber covering separates from the core. Furthermore the core filament is frequently eccentric to the yarn so that after only a small amount of wear this core filament is exposed.
Obiects of the Invention It i5 thereore an object to provide an improved core yarn.
Another object is to provide such a core yarn where-in the core filament is roughly centered within the yarn and wherein the covering does not tend to separate from the core filament.
Ye. another object is the provision of an imprsved method of making such a yarn.
Summarv of the Invention These objects are obtained according to the present invention in a yarn having a pair of such core ~ilarnents spaced apart within a fiber mass with a portion of this mass - 1 - il ~v A~ ~ v ~
constituting ~he covering between the two or more core filaments.
., With such a system the fiber mass is securely held by the core filaments especially when the core filaments are spun together around the mass between them. Thus separation of the fiber covering from the core filaments is almost rules out.
The strength and resistance to wear of such a yarn is sub-stantially greater than that of prior-art core yarms.
The yarn according to the present invention is made 10 by spinning a pair of core filaments with a fiber slubbing.
The core filaments are fed to a combining station spaced apart from each other and there united with the slubbing so that some o the slubbing is always between the two filaments. This , is effected in accordance with the present invention by form-ing the slubbing into a thin band, then applying the filaments to opposite sides of the band, and thereupon spinning to-gether the band and slubbing so that the filaments remain separated by at least a thickness of fiber equal to the thick-d ness of the slubbing band.
Thc filament~ in accordance with this invention may be fed to the combining station directly opposite one another on opposite sides of the slubbing band, that is both lying in a plane perpendicular to the plane of the band. It is also within the scope of the present invention to feed these fila-ments to the combines parallel to each other but spaced apart on opposite sides of the slubbing band from a plane perpen-dicular to this band.
` Brief Descri~tion of the Drawina The above and other objects, features, and advantages 30 will become more readily apparent from the follo~ing, reference ~.
: ` . - .:
~n4~s42 beiny made to the accompanying drawin~ in which:
FIG. 1 is a cross-section in enlarged scale throuyh a yarn according to this invention;
FIG. 2 is a partly diagrammatic perspective view showing a system for making the yarn accordiny to this inven-tion;
FIG. 3 is a section taken along line III - III of FIG. 2; and FIG. ~ is a ~ection similar to FIG. 3 illustra~ing another method of making the yarn accordin~ to this invention.
sDeci~ic Descri~tion A core-type yarn 10 is shown in FIG. 1. It comprises a coherent mass 16 formed of fibers such as wool, cotton, rayon, or staple fiber, in which is imbedded a pair of like and spaced--apart filaments 12 and 14 of high-strength synthetic-resin material such as polyester. The mass 16 has a cross-sectional area that is a multiple of that of the filaments 12 and 14.
The ilaments 12 and 14 can be mono~ilaments or a tightly wound thread but in any case have a longitudinal strength which i8 considerably greater than the longitudinal strength of the co-herent mass 16. m ese filaments 12 and 14 are spaced from each other with a portion 16' of the mass 16 between them.
As shown in FIGS. 2nd 3 this yarn 10 is made in an apparatus having a former 18 constituted by three aligned pairs 20, 22 and 24 of cylindrical rollers which advance a band 26 of slubbing in a direction D. The rollers 20 rotate faster than the rollers 22 which in turn rotate faster than the rollers 24 so that the slubbing 26 is formed into a thin upright band as illustrated in FIG. 3. A pair of guides 28 and 30 feed in the filaments 12 and 14, respectively, to the coI~bining station .~:. . .. .
~: : , . .. .:. :
.: ' ` - . . ' '; ~
5~
formed by the rollers 20. FIG. 3 illustrates how these fila-ments 12 and 14 are fed to opposite sides o~ the band 26 directly across from each other and both lying in a plane per-pendicular to the plane of the band 26 of the combining station.
~ n a region 36 between the combining rollers 20 and an eye 32, the slu'~bing band 26 and filaments 12 and 14 are spun together and then wound up on a ring-type spinner 34 having a spool 42 that i5 rotated at high speed with the yarn to be spun passiny through a traveler 40 on a ring 38 surround-ing the spool 42 as described on pages 376 and 377 of The ~ay Thinqs Work (Simon and Schuster: 1967).
It is also possible as sho~m in FIG. 4 to feed the two filaments 12 and 14 to opposite sides of the band 2~ at rollers 20' at the downstream end of the slubbing shaper arrangement 18, with the filaments 12 and 14 being positioned offset rom each other Oll opposite sides of the band 26. This may be e~fected by forming the rollers 20' with grooves 21 of~-~et from a plane perpendicular to the band 26. Even with this system it i9 noted that a portion 16' of the mass 16 in the finished yarn will al~7ays lie between the two filaments 12 and 14~
. .
Claims (7)
1. A method of making a yarn comprising the steps of:
feeding a coherent elongated slubbing to a combining station, simultaneously feeding a pair of core filaments in spaced-apart relationship to said station, uniting said filaments and said slubbing at said sta-tion with a portion of said slubbing between said filaments, and thereafter spinning the united filaments and slubbing together.
feeding a coherent elongated slubbing to a combining station, simultaneously feeding a pair of core filaments in spaced-apart relationship to said station, uniting said filaments and said slubbing at said sta-tion with a portion of said slubbing between said filaments, and thereafter spinning the united filaments and slubbing together.
2. The method defined in claim 1, further comprising the step of forming said slubbing into a flat band prior to feed-ing same to said combining station, said filaments being united with said slubbing by positioning said filaments on opposite faces of said band.
3. The method defined in claim 2, wherein said fila-ments are positioned parallel to each other on opposite faces of said band.
4. The method defined in claim 3 wherien said filaments are positioned both in a common plane perpendicular to said band at said station.
5. The method defined in claim 3 wherein said filaments are positioned on opposite sides of said bands offset to a plane perpendicular to the plane of said band.
6. The method defined in claim 2 wherein said slubbing is formed into a band by passing said slubbing between a plurali-ty of pairs of rollers.
7. A core yarn made by the method of claim 1 and com-prising a pair of longitudinally extending core filaments of synthetic resin mutually spun about one another and an elongated body of coherent fiber fleece selected from the group which con-sists of cotton, wool and rayon, lying between and wrapped as a band around said filaments and spun therearound to envelop said filaments, said fleece forming a mass in which said filaments are embedded and which has a cross-sectional area which is a multiple of that of said core filaments.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752514302 DE2514302C3 (en) | 1975-04-02 | 1975-04-02 | Core yarn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1044542A true CA1044542A (en) | 1978-12-19 |
Family
ID=5942889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA237,517A Expired CA1044542A (en) | 1975-04-02 | 1975-10-14 | Core yarn and method of making same |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS51123324A (en) |
| AT (1) | AT357910B (en) |
| BE (1) | BE840284A (en) |
| CA (1) | CA1044542A (en) |
| CH (1) | CH582764A5 (en) |
| CS (1) | CS181197B2 (en) |
| DE (1) | DE2514302C3 (en) |
| FR (1) | FR2306287A1 (en) |
| GB (1) | GB1486958A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19642222A1 (en) * | 1996-10-12 | 1998-04-16 | Zinser Textilmaschinen Gmbh | Ring spinner for a cladded yarn |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3092953A (en) * | 1960-08-01 | 1963-06-11 | Bear Brand Hosiery Co | Method and apparatus for forming yarn |
| JPS5031221A (en) * | 1973-07-19 | 1975-03-27 |
-
1975
- 1975-04-02 DE DE19752514302 patent/DE2514302C3/en not_active Expired
- 1975-04-30 CH CH561875A patent/CH582764A5/xx not_active IP Right Cessation
- 1975-05-13 GB GB1998275A patent/GB1486958A/en not_active Expired
- 1975-05-26 FR FR7516887A patent/FR2306287A1/en active Granted
- 1975-10-14 CA CA237,517A patent/CA1044542A/en not_active Expired
-
1976
- 1976-02-25 AT AT137776A patent/AT357910B/en not_active IP Right Cessation
- 1976-03-24 CS CS187276A patent/CS181197B2/en unknown
- 1976-04-01 BE BE165766A patent/BE840284A/en unknown
- 1976-04-02 JP JP3617676A patent/JPS51123324A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1486958A (en) | 1977-09-28 |
| DE2514302C3 (en) | 1979-03-29 |
| FR2306287B1 (en) | 1978-02-03 |
| JPS51123324A (en) | 1976-10-28 |
| ATA137776A (en) | 1979-12-15 |
| DE2514302A1 (en) | 1976-10-07 |
| DE2514302B2 (en) | 1977-07-14 |
| BE840284A (en) | 1976-08-02 |
| AT357910B (en) | 1980-08-11 |
| FR2306287A1 (en) | 1976-10-29 |
| CH582764A5 (en) | 1976-12-15 |
| CS181197B2 (en) | 1978-03-31 |
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