US3302386A - Process for making tangled yarn - Google Patents

Process for making tangled yarn Download PDF

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Publication number
US3302386A
US3302386A US404340A US40434064A US3302386A US 3302386 A US3302386 A US 3302386A US 404340 A US404340 A US 404340A US 40434064 A US40434064 A US 40434064A US 3302386 A US3302386 A US 3302386A
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United States
Prior art keywords
yarn
channel
yarn channel
longitudinal axis
tangled
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Expired - Lifetime
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US404340A
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English (en)
Inventor
Conrad J Gonsalves
Willem C Van Anholt
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Akzona Inc
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American Enka Corp
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Publication date
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    • 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
    • D02J1/08—Interlacing constituent filaments without breakage thereof, e.g. by use of turbulent air streams

Definitions

  • This invention relates to the production of a tangled yarn and relates more particularly to a process and apparatus for producing a tangled multifilamentary material from one or more substantially untwisted filamentary yarns, and to the product so-produced.
  • looped filaments that is, multifilamentary yarn wherein some of the individual filaments project from the surface as loops
  • a gaseous material such as air, under pressure
  • a similar process and apparatus can be utilized to treat one or more substantially untwisted yarns to form a tangled product, that is, a multifilamentary material having the individual filaments intertwined and consequently formed into a coherent bundle which can be further processed in a relatively easy manner.
  • a procedure involves slidingly engaging the yarn with the inlet and outlet walls of the yarn channel on opposite sides of the longitudinal, axis of the same while simultaneously blowing a gaseous material such as air into the yarn channel intermediate the ends of the channel and eccentrically offset with respect to the longiice tudinal axis of the same on the same side as the portion of the inlet end which is contacted by the yarn being fed.
  • Another object of this invention is the provision of a tangled yarn which is free from the foregoing and other defects and which has an attractive appearance and high bulk.
  • a further object of the instant invention is the provision of a method and apparatus for the production of a tangled yarn wherein, according to certain embodiments, the product is also looped.
  • FIGURE 1 is a schematic view of an apparatus for carrying out one embodiment of the process of the instant invention utilizing a single supply of untwisted yarn;
  • FIGURE 2 is an enlarged fragmentary side elevational view of the tangling device shown in FIGURE 1;
  • FIGURE 3 is a longitudinal cross-sectional view taken substantially on line 33 of FIGURE 2;
  • FIGURE 4 is a transverse cross-sectional view taken substantially on line 44 of FIGURE 3;
  • FIGURE 5 is a view similar to FIGURE 2 showing the relationship between the yarn and a tangling device having an opposite eccentric offset to the device of FIGURE 2;
  • FIGURE 6 is a longitudinal cross-sectional view taken substantially on line 66 of FIGURE 5;
  • FIGURE 7 is a transverse cross-sectional view taken substantially on line 77 of FIGURE 6;
  • FIGURE 8 is a fragmentary schematic view of an apparatus for performing a modified process in accordance with the instant inventive concept whereby a plurality of substantially untwisted yarns are utilized.
  • a process and apparatus for the production of twisted yarns in accordance with one embodiment of the instant inventive concept is designated generally by the reference numeral 10 and in cludes a supply 12 of one substantially untwisted filamentary yarn 14.
  • a tangling device 16 is provided including portions defining a yarn channel 18 having a longitudinal axis 20, an inlet end 22 and an outlet end 24, and also including portions defining a gas supply channel 26 communicating with the yarn channel 18 intermediate the inlet and outlet ends with means (not shown) for blowing a gaseous material, preferably air, through the gas supply channel 26 in the direction of the arrow 28.
  • Withdrawal means 34 deliver the tangled yarn 14 from the yarn channel 18 in sliding engagement with a portion 36 of the wall defining the outlet end 24 of the same to a yarn takeup means 38 through the guide 40 and over a guide means 42 of a reciprocable traverse rod 14.
  • the yarn channel 18 is such as to define an angle A between the fed yarn 14 and the withdrawn yarn 14; the angle A preferably being between 60 and 120 degrees.
  • the end of the gas supply channel 26 which communicates with the yarn channel 18 is eccentrically offset by a distance 46 with respect to the longitudinal axis 20 of the yarn channel 18, the gas supply channel 26 communicating with the yarn channel 18 within the angle A and the portion 32 of the inlet end 22 of the yarn channel 18 with which the yarn 14 is in sliding engagement is on the same side of the longitudinal axis 20 of the yarn channel 18 as the offset 46 while the portion 36 of the outlet end 24 of the yarn channel 18 is on the opposite side of the longitudinal axis 20 of the yarn channel 18 from the offset 46.
  • An optimum product may be produced by utilizing a gaseous material, preferably compressed air, at a gauge pressure of from 1 to 5 atmospheres.
  • a gaseous material is preferably blown into the yarn channel 18 at an angle B with respect to the longitudinal axis of the yarn channel 18, the angular relationship being acute on the yarn inlet side 22 of the yarn channel 18 and obtuse on the yarn outlet side 24 of the same whereby at least a major portion of the gaseous material is directed to flow through the yarn channel 18 in the same direction as the travel of the yarn. This tends to separate the individual filaments in the yarn since the yarn is unstressed on the yarn outlet side of the stream of gaseous material. This feature is further enhanced by conically widening the yarn channel 18 from the inlet end 22 to the outlet end 24.
  • the gaseous material be directed to flow through the yarn channel 18 in the opposite direction to the travel of the yarn to provide maximum tension on the yarn immediately preceding the contact with the main stream of the gaseous material. Relationship of the configuration and dimensions of the yarn channel 18 and the rate of feed and pressure of the gaseous material is therefore preferably adjusted to produce this result.
  • the mean diameter of the yarn channel 18 and the gas supply channel 26 is preferably about 2 to about 15 times the thickness of the yarn being processed and the length of the yarn channel 18 is preferably about 5 to 6 times the mean diameter.
  • FIGURES 5-7 wherein like parts are designated by like reference numerals followed by the suffix a the relationship of the yarn to the tangling device is shown when the eccentric offset between the outlet from the gas supply channel and the longitudinal axis of the yarn channel is reversed.
  • FIGURE 8 a method and apparatus for producing a tangled yarn in accordance with another embodiment of the instant inventive concept is shown, parts similar to the embodiment of FIGURES 1-4 having been designated by the same reference characters followed by the suffix b.
  • a plurality of supplies of substantially untwisted filamentary materials have been provided, two being shown for illustrative purposes.
  • the yarns 14b are separately fed to the yarn channel 18b in sliding engagement with substantially the same portion 32b of the wall defining the inlet end 22b of the same, the yarns being withdrawn together from the yarn channel 18b as a single filamentary structure 14b, the withdrawal rate of which is less than the feed rate of each of the yarns being supplied.
  • the feed rate of at least one of the yarns is from about 3 to about 10 percent higher than the withdrawal rate of the filamentary structure 14b and the feed rate of at least one other of the yarns 14b is at least in excess of 10, and preferably in excess of 15 percent of the withdrawal rate to produce a highly desirable tangled looped yarn product.
  • a conventional twist means 50 is operatively interposed between the outlet end 2412 of the yarn channel 18b and the withdrawal means 38b which in this instance is shown as a surface take-up, whereby preferably approximately 40 turns per meter are imparted to the filamentary structure 14b to further improve the coherent nature of the product.
  • a process for the production of a tangled yarn comprising providing a supply of at least one substantially untwisted filamentary yarn, defining a yarn channel having a longitudinal axis, an inlet end and an outlet end, feeding a quantity of yarn from said supply into said yarn channel in sliding engagement with a portion of said inlet end, withdrawing said quantity of yarn from said yarn channel in sliding engagement with a portion of said outlet end, the feed rate being in excess of the withdrawal rate and the fed yarn defining an angular relationship with respect to the withdrawn yarn, and substantially transversely contacting said quantity of yarn intermediate said inlet and outlet ends of said yarn channel with a stream of gaseous material by blowing said gaseous material into said yarn channel eccentrically offset with respect to said longitudinal axis of said yarn channel, said portion of said inlet end of said yarn channel being on the same side of said longitudinal axis as said offset and a portion of said outlet end of said yarn channel being on the opposite side of said longitudinal axis from said offset.
  • each yarn is less than 3 denier.
  • each yarn includes at least 10 filaments.

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
US404340A 1963-10-31 1964-10-16 Process for making tangled yarn Expired - Lifetime US3302386A (en)

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NL300001 1963-10-31

Publications (1)

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US3302386A true US3302386A (en) 1967-02-07

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US404340A Expired - Lifetime US3302386A (en) 1963-10-31 1964-10-16 Process for making tangled yarn

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US (1) US3302386A (en)van)
AT (1) AT257815B (en)van)
BE (1) BE653967A (en)van)
DE (1) DE1435607A1 (en)van)
ES (1) ES305425A1 (en)van)
GB (1) GB1085123A (en)van)
LU (1) LU47246A1 (en)van)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3357074A (en) * 1965-12-28 1967-12-12 Celanese Corp Apparatus for the production of fluid entangled non-woven fabrics
US3403501A (en) * 1966-07-15 1968-10-01 Nuval Co Yarn-treatment, method and apparatus
US3430427A (en) * 1966-02-17 1969-03-04 Ici Ltd Apparatus and method for forming cohesive filamentary tows
US3455096A (en) * 1968-03-27 1969-07-15 Allied Chem Method and apparatus for uniform entanglement of multifilament yarn
US3460213A (en) * 1967-02-01 1969-08-12 Glanzstoff Ag Apparatus for convolution of thread or yarn filaments
US3468113A (en) * 1967-07-13 1969-09-23 Nelson Silk Ltd Interlacing method and apparatus
US3468114A (en) * 1967-07-13 1969-09-23 Nelson Silk Ltd Method of and apparatus for making an interlaced yarn
US3983609A (en) * 1975-08-25 1976-10-05 J. P. Stevens & Co., Inc. Air entanglement of yarn
US4237187A (en) * 1979-02-26 1980-12-02 Allied Chemical Corporation Highly oriented, partially drawn, untwisted, compact poly(ε-caproamide) yarn
DE3711759A1 (de) * 1986-04-08 1988-03-17 Inst Textil & Faserforschung Garnverwirbelungsvorrichtung
US5165993A (en) * 1983-07-04 1992-11-24 Akzo N.V. Aromatic polyamide yarn impregnated with lubricating particles, a process for the manufacture of such a yarn, and packing material or rope containing this yarn

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB825237A (en) * 1956-03-12 1959-12-09 Kunstseiden Ag Improved process and apparatus for the production of a yarn with capillary thread loops from endless synthetic filaments
US3104516A (en) * 1962-05-18 1963-09-24 Du Pont Process for preparing a variable denier composite multifilament yarn

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB825237A (en) * 1956-03-12 1959-12-09 Kunstseiden Ag Improved process and apparatus for the production of a yarn with capillary thread loops from endless synthetic filaments
US3104516A (en) * 1962-05-18 1963-09-24 Du Pont Process for preparing a variable denier composite multifilament yarn

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3357074A (en) * 1965-12-28 1967-12-12 Celanese Corp Apparatus for the production of fluid entangled non-woven fabrics
US3452412A (en) * 1965-12-28 1969-07-01 Celanese Corp Processing of fluid entangling non-woven fabrics
US3430427A (en) * 1966-02-17 1969-03-04 Ici Ltd Apparatus and method for forming cohesive filamentary tows
US3403501A (en) * 1966-07-15 1968-10-01 Nuval Co Yarn-treatment, method and apparatus
US3460213A (en) * 1967-02-01 1969-08-12 Glanzstoff Ag Apparatus for convolution of thread or yarn filaments
US3468113A (en) * 1967-07-13 1969-09-23 Nelson Silk Ltd Interlacing method and apparatus
US3468114A (en) * 1967-07-13 1969-09-23 Nelson Silk Ltd Method of and apparatus for making an interlaced yarn
US3455096A (en) * 1968-03-27 1969-07-15 Allied Chem Method and apparatus for uniform entanglement of multifilament yarn
US3983609A (en) * 1975-08-25 1976-10-05 J. P. Stevens & Co., Inc. Air entanglement of yarn
US4237187A (en) * 1979-02-26 1980-12-02 Allied Chemical Corporation Highly oriented, partially drawn, untwisted, compact poly(ε-caproamide) yarn
US5165993A (en) * 1983-07-04 1992-11-24 Akzo N.V. Aromatic polyamide yarn impregnated with lubricating particles, a process for the manufacture of such a yarn, and packing material or rope containing this yarn
DE3711759A1 (de) * 1986-04-08 1988-03-17 Inst Textil & Faserforschung Garnverwirbelungsvorrichtung

Also Published As

Publication number Publication date
LU47246A1 (en)van) 1964-12-30
AT257815B (de) 1967-10-25
DE1435607A1 (de) 1969-02-13
GB1085123A (en) 1967-09-27
ES305425A1 (es) 1964-12-16
BE653967A (en)van) 1965-02-01

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