US3862475A - Apparatus for applying hot melt size material to textile yarns - Google Patents

Apparatus for applying hot melt size material to textile yarns Download PDF

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Publication number
US3862475A
US3862475A US326149A US32614973A US3862475A US 3862475 A US3862475 A US 3862475A US 326149 A US326149 A US 326149A US 32614973 A US32614973 A US 32614973A US 3862475 A US3862475 A US 3862475A
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United States
Prior art keywords
sizing
size
roller
grooves
yarn
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Expired - Lifetime
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US326149A
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English (en)
Inventor
Walter F Illman
Robert C Malpass
Delano M Conklin
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Burlington Industries Inc
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BRULINGTON IND Inc
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Filing date
Publication date
Application filed by BRULINGTON IND Inc filed Critical BRULINGTON IND Inc
Priority to US326149A priority Critical patent/US3862475A/en
Priority to CA188,989A priority patent/CA995891A/en
Priority to GB63174A priority patent/GB1455501A/en
Priority to FR7401485A priority patent/FR2214528B1/fr
Priority to IT19515/74A priority patent/IT1003425B/it
Priority to DE19742462206 priority patent/DE2462206A1/de
Priority to DE2402404A priority patent/DE2402404B2/de
Priority to JP49009658A priority patent/JPS5754571B2/ja
Priority to BR491/74A priority patent/BR7400491D0/pt
Application granted granted Critical
Publication of US3862475A publication Critical patent/US3862475A/en
Priority to US05/658,063 priority patent/USRE29287E/en
Assigned to BURLINGTON INDUSTRIES, INC. reassignment BURLINGTON INDUSTRIES, INC. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: BURLINGTON INDUSTRIES, INC.
Assigned to BURLINGTON INDUSTRIES, INC. reassignment BURLINGTON INDUSTRIES, INC. MERGER (SEE DOCUMENT FOR DETAILS). Assignors: BI/MS HOLDS I INC.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
    • D06B1/10—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material
    • D06B1/14—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material with a roller
    • D06B1/141—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material with a roller where an element is used to mitigate the quantity of treating material on the roller
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02H—WARPING, BEAMING OR LEASING
    • D02H5/00—Beaming machines
    • D02H5/02—Beaming machines combined with apparatus for sizing or other treatment of warps

Definitions

  • ABSTRACT A compact apparatus and method for applying hotmelt size in a properly fluid state to a plurality of textile yarns.
  • the apparatus comprises an internally heated rotating cylinder made of heat-conducting material, with deep grooves formed around it, one groove for each yarn strand.
  • the size is preferably applied by urging a block of solid size against the grooves of the hot cylinder. From the point of application the molten size is carried by the rotation of the cylinder to a zone where each moving yarn strand passes briefly through a corresponding size-filled groove, essentially tangentially to the cylinder, and then moves away coated with an optimum amount of size.
  • the method of application is unique in its capacity for placing a quicksetting, high molecular weight, film-forming melt size on yarn at high speed.
  • the invention relates to a method and apparatus for applying molten size to a plurality of textile strands.
  • slashers Most warp sizing machines in use today, generally termed slashers, apply size to individual warp strands by moving these strands through an aqueous bath of sizing material so that the sizing agent penetrates and adheres to the warp yarn strands. Simultaneous with the wetting of the yarn by size (usually by immersion) is a mechanical squeezing action that accomplishes a quetsching operation when the warp threads pass through the nip of the compressive rollers, usually one being of steel and the other of rubber-covered con struction. The rolls also serve to remove excess size. Thereafter, the sized yarns are passed around the heated surface of several drying cylinders that accelerate the evaporation of moisture from the yarn. Thence the size yarn passes to a take-up mechanism to properly package it for the next stage of the manufacturing process.
  • the system of applying a size dissolved in water to a yarn and depositing it by evaporating off the water is the most commonly practiced sizing method used by the textile industry today. Many less practical and effective ways have been suggested but they have not proved practical for general manufacturing processes. Spraying instead of passing the warp threads through a bath has been suggested.
  • the suggested modified methods for sizing textile warp yarns all have in common the basic fact that they involve applying the size material from an aqueous or other solvent system, and that the solvent must afterwards be removed, thereby retaining the expense and large space and equipment requirements of the conventional sizing operation.
  • the present invention proposes a method and apparatus having the capacity for applying a polymeric melt size to yarn by a solvent-free method and has as a result the potential of greatly reducing the operational expense and space previously required in conventional sizing operations.
  • the broad objective of this invention is the provision of a compact means for applying a predominantly polymeric film-forming hot-melt size to one or more moving threadlines, particularly warp yarns.
  • the invention comprises a method and apparatus for melting a solid predominantly polymeric size directly onto a limited zone of the circumference of a heated grooved applicator cylinder, transferring the molten size to warp yarns moving rapidly through the grooves at another zone of the cylinder, rapidly solidifying the size on the coated yarns without the need for special auxiliary cooling means, and winding up the size yarns, all at high rates of yarn travel.
  • the method and apparatus particularly provide a means for applying to yarn a class of novel melt sizing compositions described in our application of Robert C. Malpass, Walter F. Illman, and Delano M. Conklin entitled Hot Melt Size and Yarn Sized Therewith filed on Sept. 7, 1972 Ser. No. 286,946, the subject matter of that application being incorporated herein by reference.
  • FIG. 1 shows a perspective view of one arrangement of a compact size applicator cylinder and associated accessories.
  • FIG. 2 is a schematic side elevational view of the mechanism of FIG. 1 and other accessories.
  • FIG. 3 shows a closer view of the grooved surface of the applicator cylinder and size table and pusher.
  • FIG. 4 illustrates the line of groove contact of a yarn strand and details a simple mechanism whereby a block of solid melt may be urged with controlled force against the grooves of the cylinder.
  • FIG. is a front part sectional view of an optional groove-cleaning accessory.
  • FIG. 6 shows an end view of the groove-cleaning accessory of FIG. 5 in place.
  • the invention in its broadest terms comprises a simple, but highly effective, process and apparatus for applying a film-forming, predominantly polymeric hotmelt size to yarn, especially to a multiplicity of parallel yarns comprising a warp.
  • the size is applied to an axially oriented arc zone of the circumferential grooves of a heated, multigrooved, cylindrical applicator surface preferably as a solid block of size urged and controllably melted against said zone of hot grooves.
  • the block melt As the block melts, it forms a molten liquid which moves with the continuous rotation of the cylinder to a region, most suitably at the top of the horizontal cylinder, where each of the individual warp yarns is briefly submerged in a corresponding groove, each yarn thereby becoming wetted by and preferably significantly squeezed through the melt before passing away from the cylinder.
  • the apparatus is compact and permits a rapid application of size to the yarns.
  • An important part of the invention is the heated, rotating, cylindrical applicator roll or drum made of heatconducting metal, preferably aluminum and preferably with its axis substantially horizontal. Around the circumference run a series of deep and closely spaced parallel grooves, one groove for each of one or more yarn threadlines, most suitably the multiplicity of parallel yarns constituting a warp.
  • a movable bar guide and comb spaced to drop each yarn into its corresponding groove and to lift it therefrom as needed, means for filling the grooves with size prior to the zone of contact of yarn with drum, one or more simple doctor blades to insure even distribution of size in the grooves, and optionally but preferably, a device for cleaning the grooves to prevent accumulation of lint in them during long periods of continuous use.
  • An exhaust hood for carrying away fumes given off by the type of hot size most suited to the apparatus may also be present.
  • a space of a few feet in the open air between the applicator and over-oiler such as two to fifteen feet, preferably about five to ten feet at speeds of 300-500 ypm, provides all the cooling needed to prevent tackiness at the oiler 18. Another distance of -25 feet in the open renders the yarn ready for wind-up at at without danger of blocking on the package.
  • the aforementioned co-pending Malpass et al application details a class of hot-melt size combinations capable of meeting these short distance requirements.
  • FIGS. 1 4 show a preferred embodiment of the size applicator cylinder 1
  • comb or guide 2 for directing the yarn 3 onto the cylinder and movable by hydraulic or air pressure operated pistons and cylinders 21, electrical connections 4 to Calrod heaters for heating the cylinder, drive means 5 for turning it, solid size block 6, pusher means 7 for urging the block against the heated cylinder. and doctor blade 8 for levelling the size and scraping the cylinder to remove excess size and incidental fibers.
  • the yarn remains in the grooves 9 over a length of 1 /2 3 inches, longer distances being less preferable because of excessive drag tensions as the yarn moves at high speed through the grooves of the slowerturning cylinder. All of these components are shown in only one of a variety of possible spatial arrangements with respect to each other.
  • Hood 10 above the cylinder draws off fumes generated in the application process.
  • a detector 22 may be disposed downstream of the yarn supply 23 for operating a delay mechanism 24 in the event that one or more of the yarn strands break.
  • a 10-inch diameter applicator cylinder 21 inches long, made of 05 inch aluminum, and with 14 inches of grooved length along its axis, is a convenient and practical size.
  • the driven end of the cylinder is closed with a welded-in plate, carrying a centered drive shaft, connected through a conventional ball-bearing and gear to a simple drive motor and the fixed frame supporting the whole assembly.
  • the cylinder is rotated at about 2-8 rpm usually preferably at about 3 rpm when running with yarn speeds of around 300 ypm.
  • the opposite open end of the cylinder is loosely closed against heat loss by a fixed circular collar which overlaps the interior of the cylinder about 2 inches and is welded to an end plate holding a plurality of fixed Calrod heaters in place beneath the shell of the cylinder.
  • the cylinder preferably turns in the same direction as the moving yarns, i.e., clockwise with left-to-right yarn travel as viewed in FIG. 2, although the direction of rotation is not critical if the apparatus components are properly placed around the cylinder, and provided that yarn speed is not go great as to cause excessive drag and subsequent yarn breaks.
  • FIG. 3 more clearly depicts the grooves 9 circling the cylinder in close-spaced circumferential lines. Although their width and depth may advantageously be increased for sizing larger yarn, it has been found that, for yarns such as 50/50 polyester/rayon or 50/50 polyester/acrylic in 15 to 30 singles, grooves cut 10 per inch, 10-15 mils wide, and 50 mils deep are both effective and practical. Although no absolute limits are set for the depth of the grooves, they are herein referred to as deep in the sense that they should fully enclose the yarns being sized, and should have sufficient volume to provide an ample but not over-large excess of size.
  • a depth of three to five times the diameter of the yarn being sized is considered optimal, but deeper grooves, though harder to machine and maintain, can be used if desired. If the grooves are too shallow, not only may the immersion of the yarn be inadequate to insure uniform contact with and application of size, but the supply of size may actually be insufficient to keep the grooves full enough in the limited zone of contact with the yarn. With too shallow a groove there may be a deficiency even though the rotation of the applicator cylinder is increased as a further means of delivering more size to the yarn. Depths of 50-100 mils, or greater with the larger yarn sizes, are contemplated.
  • the spacing, width, and shape of the grooves are capable of considerable variation, depending largely upon the construction and fiber type of the yarns being put through them. Since one of the practical objectives of the invention is to place as many yarn lines simultaneously on the face ofa geiven length of applicator cylinder as possible, close spacing is desirable.
  • the hairiness of the yarn a function of fiber type, staple length, presense or absence of twist, and other parameters is the chief factor setting a limit on the closeness of the grooves. In general, the more hairy the yarn, the greater should be the spacing between the grooves, especially if the yarn be fine and weak and easily subject to breakage in either sizing or subsequent conversion to fabric, should a fiber from one yarn become pulled over and entangled in an adjacent yarn line. There is no true upper limit upon how far apart the grooves can be, about to grooves per inch (or more, with twisted non-hairy yarns) being particularly suitable, and about 10 per inch being most preferred in yarns of average hairiness.
  • groove widths substantially equal to the diameter of the yarn being sized are generally preferred. Wider grooves, however, are also satisfactory, through perhaps not quite so effective in laying the fibers and fiber ends protruding from the body of the yarn. Groove widths of l0-l5 mils, with depths of 50 mils, have been used with notable success with a variety of yarns.
  • the shape of the grooves may be varied to advantage from substantially parallel to slightly tapered walls, all perferably with rounded bottoms. Grooves 50 mils deep, with polished walls tapering from about 15 mils apart at the surface of the cylinder to 10 mils at their rounded bottoms, have proved particularly effective and adaptable to a variety of yarn types and sizes, and these arepreferred.
  • the tapering appears to assist in two ways: promoting flow of size toward the bottom of the groove, and flexing and rolling the yarn as it is squeezed into and out of the gently constricting walls as it enters and leaves the groove.
  • FIGS. l-4 all depict means for applying solid size 6 to the applicator cylinder 1, at one of the convenient points for the operation, in this case at approximately the 3 oclock position for 12 oclock yarn contact and counter-clockwise cylinder rotation as viewed in FIG. 4.
  • a block of size typically 13.5 inches .wide, one-half inch thick, and 12 inches long, is placed on a fixed platform 12 fitted with a free-rolling pusher 7, the latter being forced against the edge of the melt block by the pressure supplied by a piston and cylinder 11.
  • the rate of melting of size is controlled by a combination of factors including the temperature and speed of the applicator cylinder, melting point of the size, and pressure against the size block. In practice the pressure on the block and the speed of the cylinder are the most easily adjusted variables in determining the weight of size added to the yarn.
  • a close-fitting doctor blade 8 is placed at a downstream point, conveniently at 3 oclock as shown in FIG. 4.
  • the position of the doctor blade is not critical, except that is should be between the points of addition and pick-up of the size.
  • doctor blade 8 When the process is to be set in motion, doctor blade 8 is placed in position, rotation of cylinder 1 (heated to the appropriate temperature) is started, pusher 7 is moved to press size block 6 against the applicator, and as soon as all are working smoothly comb 2 is lowered so that yarns 3 drop into grooves 9, the latter action being simultaneous with starting of the wind-up drive.
  • the process is easily interrupted by raising comb 2 and turning off the wind-up.
  • FIG. 2 The arrangement of the components depicted in FIG. 2 is particularly convenient when used in conjunction with optional but preferred size levelling and groovecleaning accessory l3, depicted in longitudinal, part section in FIG. 5 and in end view in FIG. 6.
  • This accessory comprises a series of Mylar (DuPont polyethylene terephthalate film) washers 14, 5-1O mils thick, spindled alternately with a series of metal, preferably aluminum, spacers 15 (which my be of other construction such as plastic) onto a drive shaft 16 and held in place by cylindrical end pieces 17 and threaded nuts 17.
  • the Mylar washers are typically about one-fourth inch larger than the spacers.
  • cleaner 13 is set, preferably opposite the size block, conveniently at the 2 oclock position as shown in FIG.
  • the shaft is mounted in end bearings and rotated at, for example,
  • doctor blade 8 at 3 oclock of FIG. 4 it has been found advantageous, when using the cleaner as depicted, to supplement doctor blade 8 at 3 oclock of FIG. 4 with an optional second doctor blade 8' before the size application point, such as at 4 oclock, for example.
  • the function of this second blade is essentially only to clean.
  • Another convenient position for applying the size to the applicator is on the side opposite the 3 oclock position illustrated in FIG. 4, i.e., the size is melted on at the 9 oclock position, and the doctor blade is set at around 3 oclock.
  • 140 packages of 22/1, 65 percent polyester/35 percent rayon yarn were positioned on a yarn creel.
  • the 140 yarn ends were pulled through an eyeboard in front of the creel and then through 140 1-inch 20- gauge tricot bar guides which were positioned one-half inch from the surface of a grooved aluminum roll.
  • the 140 yarn ends were laid into every other slot of the bar guide. Each end was passed through its corresponding groove across the top are of the aluminum applicator roll.
  • the surface temperature of the roll was 180 C, and the yarn speed was 300 ypm.
  • a large 60/40 melt blend of the Polymer C polyester of our copending application and adipic acid was cast as a /2 X 8 X l4-inch slab.
  • Excess hot melt was wiped off at approximately 3 oclock with a Teflon doctor blade. Only a few feet from the roll the yarn no longer felt tacky showing that the size had quickly solidified at least on its surface.
  • the yarn was then passed over an over-oiler 18, which applied about 1 percent of oil, and from there through separating bar and a comb 21 to draw the yarn shed down to ends per inch. Takeup was on a 7-inch tricot beam located approximately 20 feet from the melt applicator. Multiple 7-inch tricot beams were combined to make a warp suitable for knitting or weaving.
  • the yarn on examination, was found to have greatly improved fiber lay, a size level of 9 percent and increased tensile strength and abrasion resistance.
  • novel embodiments of the invention hereinbefore described find particular utility in connection with water-soluble hot-melt size compositions of the type described in the copending Malpass et al application, although other suitable hot-melt sizes can be used. While the embodiment detailed has 141 grooves around the circumference of the cylinder, it will be understood that any reasonable number of grooves can be employed, and it is contemplated that in a full-scale machine, at least 500-600 grooves, each for receiving and applying sizing material to a strand,
  • An apparatus for applying sizing material to a plurality of textile strands, the sizing material initially being solid form, comprising:
  • roller having a plurality of grooves therein extending circumferentially about the peripheral closed surface thereof
  • An apparatus for applying sizing to a plurality of textile strands comprising:
  • roller having a plurality of grooves therein, extending circumferentially about the peripheral closed surface there,
  • means for receiving sizing and applying the received sizing to said roller so that sizing is lodged in said grooves including means for heating said roller and means for holding a solid block of sizing material and urging that block against said heated roller so that portions thereof are melted and lodged in said grooves,
  • a combination for applying sizing to a plurality of textile strands comprising:
  • roller having a plurality of grooves therein extending circumferentially about the peripheral closed surface thereof

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
US326149A 1973-01-23 1973-01-23 Apparatus for applying hot melt size material to textile yarns Expired - Lifetime US3862475A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
US326149A US3862475A (en) 1973-01-23 1973-01-23 Apparatus for applying hot melt size material to textile yarns
CA188,989A CA995891A (en) 1973-01-23 1973-12-27 Method and apparatus for applying hot-melt sizing material to textile yarns
GB63174A GB1455501A (en) 1973-01-23 1974-01-07 Method and apparatus for applying hot-melt sizing material to textile strands
FR7401485A FR2214528B1 (enrdf_load_stackoverflow) 1973-01-23 1974-01-16
IT19515/74A IT1003425B (it) 1973-01-23 1974-01-17 Metodo ed apparecchio per applicare materiale di imbozzimatura in massa fusa calda a filati tessili
DE2402404A DE2402404B2 (de) 1973-01-23 1974-01-18 Vorrichtung zum kontinuierlichen Auftragen einer Schmelze auf Fäden
DE19742462206 DE2462206A1 (de) 1973-01-23 1974-01-18 Verfahren und vorrichtung zum auftragen von schlichte auf eine fadenschar
JP49009658A JPS5754571B2 (enrdf_load_stackoverflow) 1973-01-23 1974-01-22
BR491/74A BR7400491D0 (pt) 1973-01-23 1974-01-23 Aparelho e processo para aplicar produtos de engomagem e uma pluralidade de meadas texteis
US05/658,063 USRE29287E (en) 1973-01-23 1976-02-13 Apparatus for applying hot melt size material to textile yarns

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US326149A US3862475A (en) 1973-01-23 1973-01-23 Apparatus for applying hot melt size material to textile yarns

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US50481874A Division 1974-09-10 1974-09-10
US05/658,063 Reissue USRE29287E (en) 1973-01-23 1976-02-13 Apparatus for applying hot melt size material to textile yarns

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US3862475A true US3862475A (en) 1975-01-28

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US326149A Expired - Lifetime US3862475A (en) 1973-01-23 1973-01-23 Apparatus for applying hot melt size material to textile yarns

Country Status (8)

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US (1) US3862475A (enrdf_load_stackoverflow)
JP (1) JPS5754571B2 (enrdf_load_stackoverflow)
BR (1) BR7400491D0 (enrdf_load_stackoverflow)
CA (1) CA995891A (enrdf_load_stackoverflow)
DE (2) DE2462206A1 (enrdf_load_stackoverflow)
FR (1) FR2214528B1 (enrdf_load_stackoverflow)
GB (1) GB1455501A (enrdf_load_stackoverflow)
IT (1) IT1003425B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4364157A (en) * 1980-11-20 1982-12-21 Cutts William H Method for applying sizing to warp yarns
US20220111606A1 (en) * 2019-02-13 2022-04-14 Safran Method for manufacturing a component made of a composite material with a reinforced matrix, and device for the implementation thereof

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4540610A (en) * 1982-09-30 1985-09-10 Burlington Industries, Inc. Hot melt size applying
JPS6426479U (enrdf_load_stackoverflow) * 1986-10-25 1989-02-15
DE4333716C1 (de) * 1993-10-03 1995-02-02 Graf & Co Gmbh Verfahren und Vorrichtungen zur Aufbringung von Präparationen auf Garne bzw. Fäden am laufenden Faden
CN109778457A (zh) * 2017-11-10 2019-05-21 丹阳市易通安全技术服务有限公司 自动化智能上浆机
CN110130132B (zh) * 2019-07-02 2023-09-08 贵州黔力实业有限公司 一种不同直径绳芯的挤油器

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US439916A (en) * 1890-11-04 Device for
US2022854A (en) * 1932-03-07 1935-12-03 Celanese Corp Treatment of filamentary materials
US2438084A (en) * 1946-04-15 1948-03-16 Wood Allison Allen Yarn smoothing apparatus and method
US3345172A (en) * 1964-12-01 1967-10-03 Polaroid Corp Photographic processing method utilizing frozen aqueous solutions
US3479988A (en) * 1967-06-26 1969-11-25 Barber Colman Co Running thread waxer
US3625735A (en) * 1968-10-31 1971-12-07 Du Pont Yarn sizing process
US3732603A (en) * 1971-11-12 1973-05-15 Burlington Industries Inc Method and apparatus for laying down the fiber hairiness of textile yarns

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BE445652A (enrdf_load_stackoverflow) * 1940-06-10
CH308545A (de) * 1951-11-30 1955-07-31 Sucker Gmbh Geb Vorrichtung zum Auftragen eines in der Wärme flüssigen, in der Kälte steifen Schlichtemittels auf Fäden.
FR1069789A (fr) * 1952-12-30 1954-07-13 Chavanoz Moulinage Retorderie Procédé d'imprégnation de filés et dispositif à cet effet
CH439205A (de) * 1964-08-06 1967-07-15 Ciba Geigy Verfahren und Einrichtung zum Tränken von strangförmigem Material
CH422610A (de) * 1965-03-19 1966-10-15 Schweiter Ag Maschf Paraffiniervorrichtung an Spulmaschine
GB1202916A (en) * 1966-11-19 1970-08-19 Kawamoto Ind Method of and apparatus for sizing warps
CH499638A (de) * 1968-11-15 1970-11-30 Vyzk Ustav Bavlnarsky Einrichtung zum Präparieren von Garnen an spindellosen Feinspinnmaschinen

Patent Citations (7)

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Publication number Priority date Publication date Assignee Title
US439916A (en) * 1890-11-04 Device for
US2022854A (en) * 1932-03-07 1935-12-03 Celanese Corp Treatment of filamentary materials
US2438084A (en) * 1946-04-15 1948-03-16 Wood Allison Allen Yarn smoothing apparatus and method
US3345172A (en) * 1964-12-01 1967-10-03 Polaroid Corp Photographic processing method utilizing frozen aqueous solutions
US3479988A (en) * 1967-06-26 1969-11-25 Barber Colman Co Running thread waxer
US3625735A (en) * 1968-10-31 1971-12-07 Du Pont Yarn sizing process
US3732603A (en) * 1971-11-12 1973-05-15 Burlington Industries Inc Method and apparatus for laying down the fiber hairiness of textile yarns

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4364157A (en) * 1980-11-20 1982-12-21 Cutts William H Method for applying sizing to warp yarns
US20220111606A1 (en) * 2019-02-13 2022-04-14 Safran Method for manufacturing a component made of a composite material with a reinforced matrix, and device for the implementation thereof
US11872777B2 (en) * 2019-02-13 2024-01-16 Safran Method for manufacturing a component made of a composite material with a reinforced matrix, and device for the implementation thereof

Also Published As

Publication number Publication date
JPS49101647A (enrdf_load_stackoverflow) 1974-09-26
JPS5754571B2 (enrdf_load_stackoverflow) 1982-11-18
FR2214528B1 (enrdf_load_stackoverflow) 1979-05-25
BR7400491D0 (pt) 1974-08-22
CA995891A (en) 1976-08-31
GB1455501A (en) 1976-11-10
DE2402404A1 (de) 1974-07-25
DE2402404B2 (de) 1978-12-14
DE2462206A1 (de) 1976-04-22
IT1003425B (it) 1976-06-10
FR2214528A1 (enrdf_load_stackoverflow) 1974-08-19

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