US3673648A - No-twist entanglement of filament and apparatus therefor - Google Patents

No-twist entanglement of filament and apparatus therefor Download PDF

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Publication number
US3673648A
US3673648A US68687A US3673648DA US3673648A US 3673648 A US3673648 A US 3673648A US 68687 A US68687 A US 68687A US 3673648D A US3673648D A US 3673648DA US 3673648 A US3673648 A US 3673648A
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Prior art keywords
bundle
jets
filaments
jet
directed
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Expired - Lifetime
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US68687A
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English (en)
Inventor
Bernard L Thacker Jr
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Bridgestone Firestone Inc
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Firestone Tire and Rubber Co
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    • 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
    • D02G1/16—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam

Definitions

  • the fourth jet is directed 3 110 151 11/1963 B t t I 57/l57 F countercurrently to the flow of the yarn and further separates y mg 6 a and entan les it.
  • This invention relates to producing no-twist entanglement of filaments, with the production of yarn. It includes apparatus for entanglement.
  • the filaments may be of natural or synthetic composition.
  • the invention is particularly applicable to polyester, nylon and other organic synthetic filaments but is also applicable to the production of yarns from metal filaments.
  • the filaments are usually passed vertically down through the entanglement device.
  • Two horizontal fluid jets from one side of the thread line of the filaments converge and produce a vector equal to and substantially opposite the vector of a single jet on the opposite side of the thread line.
  • this single jet is offset somewhat from the vector of the two jets to impart a twist factor in the individual filaments relative to the axis of the bundle without twisting the bundle about its axis whereby the filaments are entangled without twisting the bundle.
  • a fourth jet directed upwardly lessens the effective thread line tension on the filaments whereby the filaments are spread prior to the action of the aforesaid three jets thereby aiding the efficiency of entanglement by said three jets.
  • the yarn entanglement of this invention is applicable to any substantial number of filaments from, for example, three up to several hundred, such as 500 or 600 or more, and the filaments may be of any denier from 0.5 or less to 50 or 75 or more, for use in textiles for men's and women's wear, carpets, tire cord and various industrial uses.
  • the filaments pass vertically down through the entanglement device. They may be at an angle, and may even be horizontal. Then the several jets described as horizontal will not be horizontal but will act on opposite sides of the bundle of filaments in the same plane perpendicular to the bundle. Instead of a single jet to lessen the thread line tension there may be more than one and they need not be located on the same side of the thread line and will be directed countercurrent to the flow of the yarn.
  • jets of air are ejected through the orifices, although other gases relatively inert to the filaments may be used and it is conceivable that liquid jets, such as jets of water, may be used.
  • the air or other fluid is ejected at or near supersonic velocities. Ordinarily subsonic jets are used in the prior art.
  • the pressure is usually at 100 to 300 psig (pound per square inch gauge) about 200 psig being preferred.
  • FIG. 1 is a section through the entanglement tower on the thread line
  • FIG. 2 is a section on the line 2-2 of FIG. 1;
  • FIG. 3 is a section on the line 3-3 of FIG. 1;
  • FIG. 4 is an enlarged sectional perspective view on line 4-4 of FIG. 1;
  • FIG. 5 is an enlarged detail on line 5-5 of FIG. 1;
  • FIG. 6 is an enlarged detail on line 6-6 of FIG. 1.
  • the tower l is provided with a passageway 3 closed by the door 5 (FIGS. 2 and 3).
  • plate 7 which includes the ceramic guide plate 8.
  • guide plate 9 and ceramic guide plate 10 at the bottom of the tower.
  • the horizontal bar 12 (FIG. 3) fastened to the top of the door confines the filaments in the slot 3 in the guide plate.
  • a similar bar is fastened to the bottom of the door 5 above the guide plate 9.
  • FIG. 1 is a sectional view, taken in back of the door and the bar 10.
  • the non-twist entanglement is carried out as the filaments pass down through the tower.
  • the filaments may be elongated or non-elongated. They may be entangled as they are elongated, if desired, or at any other step of the treatment, as during beaming, etc.
  • the tower is advantageously 2 and 6 inches tall, and preferably about 4 inches.
  • cover 15 In opposite walls of the tower, toward the top are two covers 15 and 16 on the compressed air lines 18 and 19.
  • cover 15 there are three orifices arranged at 9 o'clock (Orifice A), l2 o'clock (Orifice B), and 3 o'clock (Orifice C).
  • the A and C orifices are directed horizontally at the thread line at an angle of about 35 to 55 to each other, and preferably at 45 to each other and converge at the center of the filaments.
  • Orifice B is directed upward at an angle of about 35 to 55 and usually 45 to the thread line.
  • cover 16 There is a single orifice (Orifice D) in cover 16.
  • the jet from it is directed horizontally and parallel to the vector which converges from the junction of Orifices A and C.
  • the vector of the converged jets from Orifices A and C is substantially equal to and opposite the jet from Orifice D, but is offset about 0.0l0 to 0.020 inch and preferably about 0.015 inch to impart a twist factor to the separated yarn filaments.
  • the filaments in the bundle 20 are subjected to the air jets A, C and D, in their downward flow, the filaments are separated and a damped oscillation is imparted to each filament.
  • the air from Orifice B tends to spread the filaments and aids in entangling them.
  • the jets from A, C and D produce a balance of force vectors employing a twist factor (from jet D) in the same plane.
  • One or more jets B are directed upward toward the yarn bundle to initiate separation and oscillation of the filaments prior to interlacing the parallel filaments.
  • a preferred distance betweenthe centers of the Orifices A and B, Orifices B and C and Orifices C and A is about 0.26 inch, and these distances are presupposed in the above description.
  • the distances between any of the two orifices is usually but not necessarily the same. It may vary between substantially 0.25 and 0.50 inch, and the orifice sizes and the angle of Orifice B will vary accordingly with the denier of the filaments, the largest distances and hole size being used for larger filaments.
  • the center line of Orifice D is directed at the outer quarter of the diameter of the yarn bundle and will vary with denier.
  • the rate at which the filaments pass down through the tower may vary from 10 to 5000 yards per minute, and is not dependent upon the spacing or size of the orifices.
  • the diameter of the entrance to the orifices is usually about 0.031 inch, but may vary from 0.025 to 0.050 inch.
  • the thickness of the covers in which the orifices are located is determined by structural rigidity minimizing pressure drop and frictional characteristics. If it is about 0.083 inch, the length of the orifice indentation in the exposed faces of the covers may be 0.075 to 0.l25 inch, the portion of the orifice embedded in the plate being generally conical along the axis of the orifice.
  • the filaments After the filaments have been entangled, they are brought together as the yarn passes through the opening slot in the lower plate 9, confined by the lower bar corresponding to the bar 12 in the upper plate.
  • the yarn may be wound on take-up roll 25 or be otherwise handled.
  • Apparatus for no-twist entanglement of a bundle of filaments which comprises a vertical passageway with means for confining the filaments as they pass downward therethrough in a first wall three jet openings with means for supplying a fluid under pressure thereto, two of said openings being in a horizontal plane and directed horizontally toward one another to cause the fluid passing therethrough to converge on the bundle axis at an angle of about 45, the third jet being plane perpendicular to the face of the plate and at an angle of substantially 45 to one another, and the third opening is in the middle between said two jet openings, spaced from the plane thereof and directed at an angle of substantially 90 to the plane of said two jet openings and directed away from said plane at an angle of substantially 45 to the plate.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
US68687A 1970-09-01 1970-09-01 No-twist entanglement of filament and apparatus therefor Expired - Lifetime US3673648A (en)

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US6868770A 1970-09-01 1970-09-01

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FR (1) FR2106121A5 (it)
IT (1) IT945935B (it)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3751775A (en) * 1972-06-07 1973-08-14 Allied Chem Apparatus and process for commingling multifilament yarn
US3875625A (en) * 1973-03-05 1975-04-08 Rhone Poulenc Textile Apparatus for interlacing filaments of multifilament yarns
US3889327A (en) * 1972-05-26 1975-06-17 Rhone Poulenc Textile Method for interlacing strands of a textile yarn
US3956807A (en) * 1975-05-02 1976-05-18 Eastman Kodak Company Jet apparatus for forwarding and entangling tow
US4223520A (en) * 1975-02-27 1980-09-23 Poinsett Machine Works, Inc. Method and apparatus for bulking yarn
CN104126037A (zh) * 2012-02-20 2014-10-29 帝人芳纶有限公司 用于交缠纱的方法和设备
WO2023124513A1 (zh) * 2021-12-30 2023-07-06 江苏恒力化纤股份有限公司 一种网络复合丝及其网络方法和应用

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3110151A (en) * 1961-05-26 1963-11-12 Du Pont Process for producing compact interlaced yarn
US3220082A (en) * 1962-03-29 1965-11-30 Eastman Kodak Co Jet apparatus for treatment of textile fibers
US3333313A (en) * 1965-12-06 1967-08-01 Fmc Corp Filament interlacing apparatus
US3468114A (en) * 1967-07-13 1969-09-23 Nelson Silk Ltd Method of and apparatus for making an interlaced yarn
US3525133A (en) * 1967-05-10 1970-08-25 Ici Ltd Intermingling jets for multifilament yarn

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3110151A (en) * 1961-05-26 1963-11-12 Du Pont Process for producing compact interlaced yarn
US3220082A (en) * 1962-03-29 1965-11-30 Eastman Kodak Co Jet apparatus for treatment of textile fibers
US3333313A (en) * 1965-12-06 1967-08-01 Fmc Corp Filament interlacing apparatus
US3525133A (en) * 1967-05-10 1970-08-25 Ici Ltd Intermingling jets for multifilament yarn
US3468114A (en) * 1967-07-13 1969-09-23 Nelson Silk Ltd Method of and apparatus for making an interlaced yarn

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3889327A (en) * 1972-05-26 1975-06-17 Rhone Poulenc Textile Method for interlacing strands of a textile yarn
US3751775A (en) * 1972-06-07 1973-08-14 Allied Chem Apparatus and process for commingling multifilament yarn
US3875625A (en) * 1973-03-05 1975-04-08 Rhone Poulenc Textile Apparatus for interlacing filaments of multifilament yarns
US4223520A (en) * 1975-02-27 1980-09-23 Poinsett Machine Works, Inc. Method and apparatus for bulking yarn
US3956807A (en) * 1975-05-02 1976-05-18 Eastman Kodak Company Jet apparatus for forwarding and entangling tow
CN104126037A (zh) * 2012-02-20 2014-10-29 帝人芳纶有限公司 用于交缠纱的方法和设备
WO2023124513A1 (zh) * 2021-12-30 2023-07-06 江苏恒力化纤股份有限公司 一种网络复合丝及其网络方法和应用
JP2024543675A (ja) * 2021-12-30 2024-11-21 江蘇恒力化繊股▲ふん▼有限公司 インターレース複合糸及びインターレース加工方法

Also Published As

Publication number Publication date
IT945935B (it) 1973-05-10
FR2106121A5 (it) 1972-04-28

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