US2020173061A1PendingUtilityA1

Method and apparatus for producing a yarn

Assignee: SUEDWOLLE GMBH & CO KGPriority: Oct 23, 2017Filed: Sep 25, 2018Published: Jun 4, 2020
Est. expiryOct 23, 2037(~11.2 yrs left)· nominal 20-yr term from priority
D01H 5/72D02G 3/281D01H 13/04D01H 13/00D02G 3/04D10B 2331/04D01H 1/02B65H 2701/31D10B 2211/02
21
PatentIndex Score
0
Cited by
0
References
0
Claims

Abstract

A method of producing at least one yarn formed by spinning at least two individual fibers, comprising the following steps: providing at least two individual fibers, to be spun to form the at least one yarn to be produced, feeding the at least two provided fibers to a spinning device comprising at least one spindle element or bobbin element via a guide device comprising a plurality of, in particular cylinder-like or cylindrical, guide elements, spinning the fed fibers in the spinning device, forming the at least one yarn to be produced, wherein the at least two fibers are fed to the spinning device via at least two separate, in particular cylinder-like or cylindrical, guide elements that are arranged such that they are spatially separated from one another in at least one spatial direction.

Claims

exact text as granted — not AI-modified
1 . A method of producing at least one yarn ( 3 ) formed by spinning at least two individual fibers ( 2   a - 2   c ), comprising the following steps:
 providing at least two individual fibers ( 2   a - 2   c ) to be spun to form the at least one yarn ( 3 ) to be produced,   feeding the at least two provided fibers ( 2   a - 2   c ) to a spinning device ( 6 ) comprising at least one spindle element or bobbin element ( 10 ) via a guide device ( 5 ) comprising a plurality of, in particular cylinder-like or cylindrical, guide elements ( 5   a - 5   e ),   spinning the fed fibers ( 2   a,    2   b ) in the spinning device ( 6 ), forming the at least one yarn ( 3 ) to be produced,   characterized in that   the at least two fibers ( 2   a,    2   b ) are fed to the spinning device ( 6 ) via at least two separate, in particular cylinder-like or cylindrical, guide elements ( 5   d,    5   e ) that are arranged such that they are spatially separated from each other in at least one spatial direction.   
     
     
         2 . The method according to  claim 1 , characterized in that a spinning device ( 6 ) is used, of which the spindle element or bobbin element ( 10 ) is arranged in alignment with a space ( 13 ) formed between the guide elements ( 5   d,    5   e ) by the spatially separated arrangement of the guide elements ( 5   d,    5   e ) assigned thereto in the fiber guiding direction. 
     
     
         3 . The method according to  claim 1 , characterized in that at least two guide elements ( 5   d,    5   e ) arranged such that they are spatially separated from each other in a spatial direction running transverse to the fiber guiding direction are used. 
     
     
         4 . The method according to  claim 3 , characterized in that coaxially arranged guide elements ( 5   a - 5   e ) each having a cylinder-like or cylindrical basic shape are used, which are arranged such that they are spatially separated from each other in the direction of their respective central axes. 
     
     
         5 . The method according to  claim 1 , characterized in that at least two guide elements ( 5   d,    5   e ) arranged such that they are spatially separated from each other in a spatial direction running parallel to the fiber guiding direction are used. 
     
     
         6 . The method according to  claim 1 , characterized in that the fibers ( 2   a,    2   b ) are brought together at a fiber merging point ( 12 ), wherein the fiber merging point ( 12 ) forms an apex of a spinning triangle facing the spinning device ( 6 ), wherein the angle (α) of the spinning triangle in the region of the apex facing the spinning device ( 6 ) is less than or equal to 90°, in particular less than 45° and in particular less than 30°. 
     
     
         7 . The method according to  claim 1 , characterized in that the free length (L) of a respective fiber ( 2   a,    2   b ) between the guide device ( 5 ) and the or a merging point ( 12 ) is in a range of between 4 and 20 cm, in particular in a range of between 7.5 and 15 cm and preferably 10 cm. 
     
     
         8 . The method according to  claim 1 , characterized in that the free length (L′) between respective points ( 14 ,  15 ) at which the respective fibers ( 2   a,    2   b ) leave the respective guide element ( 5   d,    5   e ) in the direction of the or a merging point ( 12 ) is in a range of between 4 and 10 cm, in particular between 5 and 9 cm and preferably approx. 6 cm. 
     
     
         9 . The method according to  claim 1 , characterized in that at least three fibers ( 2   a - 2   c ) are spun together to form the at least one yarn ( 3 ). 
     
     
         10 . The method according to  claim 9 , characterized in that at least two fibers ( 2   a,    2   c ) are fed to the spinning device ( 6 ) jointly via a first guide element ( 5   d ) and at least one further fiber ( 2   b ) is fed via a further guide element ( 5   e ) arranged such that it is spatially separated from the first guide element ( 5   d ) in at least one spatial direction. 
     
     
         11 . The method according to  claim 9 , characterized in that the at least three fibers ( 2   a - 2   c ) are fed to the spinning device ( 6 ) via three separate, in particular cylinder-like or cylindrical, guide elements that are arranged such that they are separated from each other in at least one spatial direction, wherein at least one first fiber ( 2   a ) is fed via a first guide element, at least one second fiber ( 2   b ) is fed via a second guide element which is arranged such that it is spatially separated from the first guide element in at least one spatial direction and at least one third fiber ( 2   c ) is fed via a third guide element which is arranged such that it is spatially separated from the second guide element in at least one spatial direction. 
     
     
         12 . The method according to  claim 1 , characterized in that at least two fibers ( 2   a,    2   b ) and at least one filament ( 17 ) are spun together to form the at least one yarn ( 3 ). 
     
     
         13 . The method according to  claim 12 , characterized in that the at least two fibers ( 2   a,    2   b ) are fed to the spinning device ( 6 ) via two separate, in particular cylinder-like or cylindrical, guide elements ( 5   d,    5   e ) which are arranged such that they are separated from each other in at least one spatial direction and the at least one filament ( 17 ) is fed from a filament storage unit ( 18 ), in particular a spool-like or spool-shaped filament storage unit ( 18 ), or via a third guide element which is separate from the two separate guide elements ( 5   d,    5   e ). 
     
     
         14 . A yarn ( 3 ), produced by a method according to  claim 3 . 
     
     
         15 . A textile product, which is formed from at least one yarn ( 3 ) according to  claim 14  or comprises at least one such yarn ( 3 ). 
     
     
         16 . An apparatus ( 1 ) for producing at least one yarn ( 3 ) formed by spinning at least two individual fibers ( 2   a,    2   b ), in particular by a method according to  claim 1 , comprising:
 a guide device ( 5 ) comprising a plurality of, in particular cylinder-like or cylindrical, guide elements ( 5   a - 5   e ), which is configured to guide a number of fibers ( 2   a - 2   c ) in a guide device ( 5 ) to a spinning device ( 6 ) arranged downstream thereof,   a spinning device ( 6 ) arranged downstream of the guide device ( 5 ) comprising at least one spindle element or bobbin element ( 10 ), which is configured to spin together at least two of these fibers ( 2   a,    2   b ) fed via the guide device, forming at least one yarn ( 3 ),   characterized in that   the guide device ( 5 ) comprises at least two separate, in particular cylinder-like or cylindrical, guide elements ( 5   d,    5   e ) that are arranged such that they are spatially separated from each other in at least one spatial direction, via which the at least two fibers ( 2   a,    2   b ) can be fed or are fed to the spinning device ( 6 ).   
     
     
         17 . The apparatus according to  claim 16 , characterized in that the spindle element or bobbin element ( 10 ) of the spinning device ( 6 ) is arranged in alignment with a space ( 13 ) formed between the guide elements ( 5   d,    5   e ) by the spatially separated arrangement of the guide elements ( 5   d,    5   e ) assigned thereto in the fiber guiding direction. 
     
     
         18 . The apparatus according to  claim 16 , characterized in that at least two guide elements ( 5   d,    5   e ) are arranged such that they are spatially separated from each other in a spatial direction or plane running transverse to the fiber guiding direction. 
     
     
         19 . The apparatus according to  claim 18 , characterized in that the guide elements ( 5   d,    5   e ) each have a cylinder-like or cylindrical basic shape and are arranged coaxially, wherein the guide elements ( 5   d,    5   e ) are arranged such that they are spatially separated from each other in the direction of their respective central axes. 
     
     
         20 . The apparatus according to  claim 16 , characterized in that two guide elements ( 5   d,    5   e ) are arranged such that they are spatially separated from each other in a spatial direction running parallel to the fiber guiding direction. 
     
     
         21 . The apparatus according to  claim 16 , characterized by a drafting device, which is configured for the drafting, in particular the longitudinal drafting, of the fibers ( 2   a,    2   c ) that are fed to the spinning device ( 6 ).

Join the waitlist — get patent alerts

Track US2020173061A1 — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.