US3096562A - Method of treating fibers - Google Patents

Method of treating fibers Download PDF

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Publication number
US3096562A
US3096562A US83508A US8350861A US3096562A US 3096562 A US3096562 A US 3096562A US 83508 A US83508 A US 83508A US 8350861 A US8350861 A US 8350861A US 3096562 A US3096562 A US 3096562A
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US
United States
Prior art keywords
package
fibers
yarn
tape
core
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 - Lifetime
Application number
US83508A
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English (en)
Inventor
Carl J Russo
Alexander L Trifunovic
Henry A Sinski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Joseph Bancroft and Sons Co
Original Assignee
Joseph Bancroft and Sons Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to NL259050D priority Critical patent/NL259050A/xx
Priority to NL125709D priority patent/NL125709C/xx
Priority claimed from US861001A external-priority patent/US2997747A/en
Priority to GB43708/62A priority patent/GB969624A/en
Priority to GB40477/60A priority patent/GB969622A/en
Priority to GB43709/62A priority patent/GB969625A/en
Priority to CH1382560A priority patent/CH392765A/de
Priority to CH474465A priority patent/CH405598A/de
Priority to DE19601435342 priority patent/DE1435342A1/de
Priority to FR847306A priority patent/FR1276380A/fr
Application filed by Joseph Bancroft and Sons Co filed Critical Joseph Bancroft and Sons Co
Priority to US83508A priority patent/US3096562A/en
Priority to US83506A priority patent/US3090579A/en
Publication of US3096562A publication Critical patent/US3096562A/en
Application granted granted Critical
Priority to NL6803648A priority patent/NL6803648A/xx
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
    • B65H49/18—Methods or apparatus in which packages rotate
    • B65H49/20—Package-supporting devices
    • B65H49/26—Axial shafts or spigots
    • 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
    • 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
    • D02G1/12—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using stuffer boxes
    • 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
    • D02G1/20—Combinations of two or more of the above-mentioned operations or devices; After-treatments for fixing crimp or curl
    • D02G1/205—After-treatments for fixing crimp or curl
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • This invention relates to a method and apparatus for crimping, packaging and treating textile fibers and has for an object to provide a method and apparatus of the above type having novel and improved characteristics.
  • FIG. 1 is a vertical section illustrating an apparatus according to the invention
  • FIG. 2 is a partial horizontal section taken on the line 2-2 of FIG. 11;
  • FIG. 3 is a partial vertical section taken on the line '33 of FIG. 1; 1
  • FIG. 4 is .a top plan view of the apparatus of FIG. 1;
  • FIG. 5 is an elevation of a completed package with parts broken away to show the interior
  • FIG. 6 is a block diagram illustrating representative steps in the treating process
  • FIG. 7 is a side elevation of an apparatus for unwinding the package with parts broken away to show the structure; and a FIG. 8 is a section taken on the lines 8--8 of FIG. 7.
  • a stuffer crimper comprising a base plate 1 carrying a heating and crimping block 2 having a bore in which a sleeve 3 is fixed as by a press fit.
  • a crimping tube 4 is held in the sleeve 3- by a clamping nut 5 on the lower tapered, split end 6 of the sleeve 3.
  • a source of heat, such as a resistance rod 7 is held in a bore in the block 2 parallel to the tube 4.
  • a pair of feed rolls 10 and 11 are positioned to feed the tibers into the lower end of the tube 4 to be folded over and crimped against the pressure of a mass of previously crirnped fibers held compacted in the tube 4.
  • the feed roll 10 is mounted on a shafit 12 which is journalled to rotate in a bearing 13 supported by the block 2.
  • the feed roll 11 is mounted on a shaft 14 carried in a pivoted bracket 15 carried by the block 2 and having an arm 16 pressed by a spring 17 to hold the roll 11 in feeding engagement with the roll 10.
  • the rolls 10 and .11 are driven by gears 18 to operate in unison.
  • the shaft 12 is driven by a drive motor not shown, preferably through a constant torque clutch so that a constant pressure is maintained on the fibers as they are fed into and crimped in the crimping chamber in the tube 4.
  • the fibers 20 are fed between rolls 21 into a pretreating tank .22, thence through the tank 22 and between rolls 23 into :a heater or dryer 24. Thence through a tension device 25 and a guide 26 to the bite of the feed rolls .10 and 11. p
  • the upper end of the tube 4 is formed with a rounded top surface 30 and extends through a central flange 31 in a block 32 carried by the block 2.
  • a feed tube 33 3,096,562 Patented July 9, 1963 2 surface 38 of the flange 31 so as to allow the tube 33 to pivot about the upper end of the tube 4 for the purpose to be described.
  • the upper end of the tube 3-3 is formed with an arcuate surface 39 to lay the core of crimped fibers 40 which is discharged therefrom in successive convolutions on a package 41.
  • the discharge end of the tube 33 is held against the package 41 by a spring 27 connected by eyes 28 and 29 to blocks 35 and 32, respectively.
  • the package 41 is shown as wound on a perforated tube 42 of the type used for package dyeing.
  • the tube 42 is mounted on a sleeve 43 which is slidably mounted on a shaft 44 and is keyed thereto by a key 45.
  • the shaft 44 is driven from a gear box 46 through a constant torque clutch of any standard type.
  • a cam 47 driven by the gear box 46 actuates a traversing slide 48 which is connected to reciprocate the sleeve 43 for laying the core 40 in successive convolutions and in successive layers on the tube 42.
  • the gear box may be driven by a suitable motor.
  • a tape 50 is held on a reel 51 mounted on a bracket 52 attached to the base plate 1.
  • the tape 50' is fed through the forked end 53 of -a pivoted arm 54 to a feed roll 55 having a roughened surface, thence around a pin 56 and over a lever 57 pivoted to the bracket 52 and over a guide roll 58 mounted on a bracket 59 carried by the feed tube 33 under 'a guide roll 60 mounted on the bracket 59 adjacent the discharge end of the tube 33 to lay the tape 50 over the core 40 of crimped fibers as they are fed from the end of the tube 33 onto the package 41.
  • the lever 57 carries an arm 61 which is positioned to actuate a nricroswitch 62, which is connected to control the operation of the entire machine.
  • a constant speed motor 63 drives the roll 55.
  • the end 64 of the lever 57 is provided with a surface 65 which is adapted to hold the tape 50 in gripping engagement with the feed roll 55.
  • a sock 66 is placed over the tube 42 and a layer of the tape 50 is wrapped therearound.
  • the core 40 is discharged from the end of the tube 38 beneath the tape 50 it is held compacted in its original cross section by the pressure of the tape "as it is wound in successive convolutions and successive layers on the perforated tube 42 until a package of the desired size has been built up.
  • the feed of the tape is controlled by the feed roll 55 which is actuated by the drive motor 63.
  • the mass of crirnped fibers is discharged from the end of the 'feed tube 33 in the form of a core having the same cross section as the tubes 4 and 3 3 and is in effect stufled into the space between the tape 50 and the previous layer of winding where it is held in compacted form without any chance to open up or relax its crimped form. It is confined on the package 41 between tapes 50 in the form of a plurality of convolutions in several layers with the core of crimped fibers in adjacent convolutions bound and separated by the intervening convolutions of tape.
  • the microswitch 62 is adapted to stop the machine including the various drive motors and heating elements in response to a breakage or running out of tape 50. When the end of the tape passes the lever 57 the lever is released to release the microswitch 62 and thereby stop the machine.
  • the lever 53 is raised from the feed roll 55 thereby permitting the feed roll to turn without feeding the tape.
  • the lever 53 may be held in this position by engagement with thelever 57 and thus causes the lever 57 to maintain the switch 62 closed during this warm up period.
  • the packing of the core in the winding is determined by the rate of feed of the tape 50 with respect to the feed of the drive rolls 1 11.
  • These elements may be driven at a constant but adjustable ratio or the teed rolls 1% and 11 may be driven through a constant torque clutch in which event the rate of feed is controlled by the back pressure on the fibers due to the tension of the tape 50 as it is wound on the package 41.
  • the tape 56 envelops the end of the tube 33 in a suificiently close manner to control the back pressure exerted on the mass of crimped fibers within the tubes 4 and 33. The pressure exerted on the fibers may thus be controlled by varying the rate of feed of the tube 50 or the relative speed of the tape feed with relation to the feed rolls 10, 11.
  • a plurality of packages 41 of crimped fibers are stacked on perforated tubes in a dye vat which may be closed to permit a treating liquid or vapor such as steam or wash water or hot air as the case may be to be forced through the package from the inside to the outside or vice versa depending upon the particular treatment step involved.
  • the packages may then be dried or excess treating liquid removed in a centrifuge or the packages may be placed in an oven for the final drying or curing step. If the package is to be treated under pressure as by steam or by heated air for drying, the packages may b placed in an autoclave. In any event the fibers on the perforated tube 42 are pervious and readily treated by known techniques.
  • the process may be applied to natural fibers such as Wool or cotton in the form of a roving, or to silk in twisted or untwisted form, or to continuous filament synthetic fibers in the form of a tow or in the form of a yarn.
  • the roving may be pres'oftened by hot water or steam in the tank 22 and dried to a predetermined moisture content in the dryer 24, then crimped in the stuffer crimper and the package subjected to steam treatment or to hot water and dried in an oven or autoclave to set the crimp While the fibers are held compacted in the package.
  • the fibers may be pretreated by 'heat and moisture as above, crimped and packaged, then subjected to heat and moisture under pressure and dried to set the crimp.
  • the cellulosic fibers may be impregnated with a thermosetting resin in the tank 22, partially dried in the dryer 24, crimped and packaged as above, and the package dried to resin curing temperature in an oven.
  • the cellulosic fibers may be crimped and packaged, the package impregnated by a resin and catalyst, then centrifuged to remove excess impregnant, cured in an oven, washed and dried.
  • the fibers may be removed from the package and processed into yarn in the usual manner.
  • staple fibers such as wool or cotton
  • the package is unwound, the core removed and the fibers opened up for spinning.
  • the tape may be unwound to expose the core and the tow or yarn pulled from the core as it is exposed and wound onto a cone or otherwise packaged for further use. This may be effected by hand or by the unwinding and packaging apparatus shown in FIGS. 7 and 8, to be described.
  • FIG. 6, illustrates a process which involves first passing a treating solution through the package, then drying, then applying an impregnating agent, extracting the excess impregnating agent as by centrifuging, then drying and curing as in a heating oven for setting the impregnant, followed by conditioning the yarn a by the application of sizing and then rewinding.
  • Cellulosic yarns whether spun or filament should have a moisture content approximating their natural moisture content at 65% relative humidity and 70 F. before entering the crimper. If the moisture is appreciably below the natural moisture content the fibers are too brittle. If the moisture is more than about 2 /2 times the natural moisture, the fibers tend to stick to the walls of the crimper.
  • thermoplastic fibers All fibers except those that melt below about 212 F. may be used in the process. This would include most of the thermoplastic fibers and all of the cellulosics such as cotton, regenerated cellulose rayon, linen, ramie, jute, etc.
  • the yarns may be treated with a crimp fixative and partially dried before entering the crimping chamber, then crimped, packaged, cured in the package, and finally unwound.
  • the yarns may be crimped, packaged, treated with the crimp fixative in the package, cured in the package and finally unwound.
  • crimp fixative a few of the many materials that can be used are dimethylol ureas, di or tri-methylol melamines, methylated methylol ureas, methylated methylol melamines, dimethylol ethylene ureas, dimethylol propylene-ureas, dimethylol triazones, formaldehydes, etc.
  • 200 denier 2 S twist 44 filament viscose rayon is Wound on a Franklin type dye spring.
  • suoh packages are placed in a dye package machine and impregnated with the above solution by pumping the solution from the inside to the outside for 15 minutes, followed by pumping the solution from the outside to the inside for 15 minutes.
  • the packages are then extracted for 6 minutes in a centrifugal extractor so that the yarn retains about 64% of the impregnating solution, that is, 1 lb. of the yarn contains about 0.64 lbs. of the impregnating solution.
  • the yarn After extraction the yarn is dried to about 17% moisture in an oven with circulating air at about 210 F.
  • the impregnated yarns are then crimped using a heated core type crimper as described above to form a core which is wound onto a Davidson type spring using 1 inch cotton tape.
  • the cotton [tape has a greige construction 56 x 44 176 yds./lb.
  • the packaged yarn is cured in a heated atmosphere at about 260 F. for about 30 minutes. After curingYhe crimped yarn is unwound and oiled if necessary. The yarn is then ready for knitting.
  • Example II 200 denier 3 S twist 4O filament viscose rayon yarn is crimped in the heated crimping chamber as described above at 320 yds./min. entering speed and wound on Franklin type springs using 1% inch cotton tape at 26 inch/min.
  • Several packages of the crimped yarn on the Franklin type springs are placed in a packaged-ye unit and treated with the following crimp fixative.
  • Example III 300 denier S twist 60 filaments blue viscose rayon is processed as in Example II to give a durable crimp that is fast to washing and dry cleaning.
  • Example IV 200 denier 2 /2 8 twist 44 filaments bright filament viscose yarn is treated as in Example 11 except that the following mix is used to fix the crimp.
  • the crimp is durable to Washing and dry cleaning after being made into a knitted or woven fabric.
  • Example V 30 S bleached cotton yarn is handled as in Example I except that the following crimp fixative is used in place of the one in Example I;
  • the impregnated yarn is dried to about 10% moisture by passing it through a chamber heated to about 220 F.
  • the partially dried yarn is then crimped as described above and wound onto the core packages.
  • the core package is heated for about 40 minutes by passing air heated to 250 F. through the package from the outside in.
  • the cured package is allowed to cool and condition before rewinding onto a cone. An oil is applied to the yarn during this rewinding to facilitate knitting.
  • a crimp durable to washing and dry cleaning is ob tained.
  • Example VII Example I is repeated except that the package of crimped yarn is cured for 25 minutes in an autoclave where the steam pressure inside the autoclave is 45-50 lbs. A durable crimp is obtained.
  • Example VIII Example II is repeated except that the following mixture was used:
  • Example IX Example II is repeated except that a linen yarn is used. A durable crimped yarn is obtained.
  • Example X Silk yarn either spun staple or continuous filament may be presoftened by a light treatment with steam or hot water, crimped in the stuffer crimper at a temperature not exceeding about F., packaged and subjected to heat and moisture for example steam or hot water or subjected to a heated dye liquid for dyeing after which the excess liquid may be extracted and the package dried for setting the crimp.
  • the pretreatment may be omitted in some instances and if desired the crimped silk core package may be impregnated with a thermosetting resin which may be dried and cured as in the previous examples.
  • Example XI Nylon yarn in continuous filament form may be hot crimped in the stufier crimper as above set forth, packaged and treated with a dye solution which may be passed through the package preferably while heated after which the excess liquid may be extracted and the package heated by the passage of hot air therethrough or by oven drying to dry the yarn and set the crimp therein.
  • Example XII v The above treatment with or without the resin setting according to the results desired may be repeated for W001 fibers and for other synthetic fibers such'as acrylic, modacrylic, polyesters, ni-trilic, vinyl and olefinic fibers, and Vinyon, Orlon, Dacron and Saran.
  • the package 41 is shown as placed on a spindle 70' for unwinding.
  • a friction washer 71 puts the necessary drag on the package during the unwinding operation.
  • the tape 50 passes from the package 41 through a pigtail guide 72 thence over a tension control device 73 which smooths out the tape for reeling, thence onto a reel 74 driven by a motor 75.
  • the yarn 76 from the package 41 is fed through guides 77 and 78 thence through an eye 79, carried by an arm 80 projecting through a slot *81 in a housing 8 2 and connected to actuate an arm 84 pivoted at 85 and adapted to actuate a micro-switch 86.
  • the arm 84 carries at its end weights 87 which are adjustable for controlling the tension of the yarn 76.
  • the yarn 76 passes from the eye 79 to a fixed guide 88, and to a take-up device such as a constant speed winder (not shown) where it is Wound onto a cone or spool to form a yarn package of the usual type.
  • the micro-switch 86 is connected to control the operation of the motor 75 so as to exert a pull on the tape when the tension on the yarn increases and to stop the motor 75 when the tension on the yarn decreases. In this way a substantially constant quantity of yarn is maintained at the discharge point at the bite of the tape 50 on the package 41. As more yarn is pulled from the package the discharge point recedes into the area held compacted by the tape 50 which increases the drag on the yarn 76. This increased ten-sion closes the micro- 7 switch momentarily and causes the motor 75 to pull the tape and thus turn the package to advance a further quantity of the core to the discharge point. This operation continues until the entire quantity of yarn has been withdrawn from the package and wound onto a cone or other form of package.
  • the above described method and apparatus is particularly suitable for imparting a permanent crimp to silk fibers and to acrylic, modacrylic, nitrilic, vinyl and olefinic fibers to produce therefrom a continuous filament yarn having saw toothed type crirnps which are permanently set therein these fibers require a more extended treatment for the setting of the crimp than can be obtained in the usual stuffer crimper.
  • the core package of the present application permits these fibers to be subjected to a setting treatment for the period of time required for imparting a permanent set to the crimp so that the bulk effect produced in the yarn remains throughout the useful life of theyarn, and is resistant to the usual cleaning and pressing steps to which the yarn or fabric or garments fabricated therefrom may be subjected.
  • the method of treating cellulosic fibers which comprises impregnating said fibers with a thermosctting resin, partially drying said resin, crimping said fibers to form a continuous core of crimped fibers, winding said core together with a pervious tape in successive convolutions on a pervious support to form a core package, subjecting said core package to a temperature to cure said resin, progressively removing the tape from said package to expose the core and extracting the treated yarn from said core as it becomes exposed.
  • cellulosic fibers are selected from the group consisting of natural vegetable fibers and regenerated ccllulosic fibers.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Nonwoven Fabrics (AREA)
US83508A 1959-12-21 1961-01-18 Method of treating fibers Expired - Lifetime US3096562A (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
NL259050D NL259050A (US20080094685A1-20080424-C00004.png) 1959-12-21
NL125709D NL125709C (US20080094685A1-20080424-C00004.png) 1959-12-21
GB40477/60A GB969622A (en) 1959-12-21 1960-11-24 A method and apparatus for crimping, packaging and treating textile fibers
GB43709/62A GB969625A (en) 1959-12-21 1960-11-24 Method of treating fibres to produce a permanently crimped material
GB43708/62A GB969624A (en) 1959-12-21 1960-11-24 Apparatus for extracting yarn from a core package
CH474465A CH405598A (de) 1959-12-21 1960-12-09 Vorrichtung zum Abwickeln eines Kabelwickels
CH1382560A CH392765A (de) 1959-12-21 1960-12-09 Vorrichtung zum Kräuseln und Wickeln von Textilfasern
DE19601435342 DE1435342A1 (de) 1959-12-21 1960-12-16 Verfahren und Vorrichtung zum Behandeln von Fasern und Faeden
FR847306A FR1276380A (fr) 1959-12-21 1960-12-19 Procédé et appareil pour friser, mettre en paquet et traiter des fibres textiles
US83508A US3096562A (en) 1959-12-21 1961-01-18 Method of treating fibers
US83506A US3090579A (en) 1959-12-21 1961-01-18 Apparatus for treating fibers
NL6803648A NL6803648A (US20080094685A1-20080424-C00004.png) 1959-12-21 1968-03-14

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US861001A US2997747A (en) 1959-12-21 1959-12-21 Crimping apparatus for treating fibers
US83508A US3096562A (en) 1959-12-21 1961-01-18 Method of treating fibers

Publications (1)

Publication Number Publication Date
US3096562A true US3096562A (en) 1963-07-09

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ID=26769381

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Application Number Title Priority Date Filing Date
US83508A Expired - Lifetime US3096562A (en) 1959-12-21 1961-01-18 Method of treating fibers

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US (1) US3096562A (US20080094685A1-20080424-C00004.png)
CH (2) CH405598A (US20080094685A1-20080424-C00004.png)
DE (1) DE1435342A1 (US20080094685A1-20080424-C00004.png)
GB (3) GB969625A (US20080094685A1-20080424-C00004.png)
NL (3) NL6803648A (US20080094685A1-20080424-C00004.png)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3200466A (en) * 1963-07-01 1965-08-17 Bancroft & Sons Co J Apparatus for crimping filaments
US3296680A (en) * 1963-09-26 1967-01-10 British Nylon Spinners Ltd Apparatus for treating and advancing filamentary material
US3390438A (en) * 1963-10-15 1968-07-02 Epstein Herman Method and apparatus for continuous crimping of textile yarns
US20150247284A1 (en) * 2012-09-19 2015-09-03 Invista North America S.A.R.L. Processes to dye and treat single bcf yarn

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH316685A (de) * 1952-05-10 1956-10-31 Alexander Smith Inc Einrichtung zur Herstellung eines aus endlosen Fäden bestehenden Kräuselgarnes
US2854701A (en) * 1956-03-07 1958-10-07 Bancroft & Sons Co J Crimping method and apparatus
US3000059A (en) * 1957-02-04 1961-09-19 Bancroft & Sons Co J Method of treating crimped textile fibers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH316685A (de) * 1952-05-10 1956-10-31 Alexander Smith Inc Einrichtung zur Herstellung eines aus endlosen Fäden bestehenden Kräuselgarnes
US2854701A (en) * 1956-03-07 1958-10-07 Bancroft & Sons Co J Crimping method and apparatus
US3000059A (en) * 1957-02-04 1961-09-19 Bancroft & Sons Co J Method of treating crimped textile fibers

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3200466A (en) * 1963-07-01 1965-08-17 Bancroft & Sons Co J Apparatus for crimping filaments
US3296680A (en) * 1963-09-26 1967-01-10 British Nylon Spinners Ltd Apparatus for treating and advancing filamentary material
US3390438A (en) * 1963-10-15 1968-07-02 Epstein Herman Method and apparatus for continuous crimping of textile yarns
US20150247284A1 (en) * 2012-09-19 2015-09-03 Invista North America S.A.R.L. Processes to dye and treat single bcf yarn

Also Published As

Publication number Publication date
NL125709C (US20080094685A1-20080424-C00004.png)
CH405598A (de) 1966-01-15
GB969625A (en) 1964-09-16
DE1435342A1 (de) 1968-12-19
NL259050A (US20080094685A1-20080424-C00004.png)
CH392765A (de) 1965-05-31
NL6803648A (US20080094685A1-20080424-C00004.png) 1968-05-27
GB969622A (en) 1964-09-16
GB969624A (en) 1964-09-16

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