US2217707A - Methods of and apparatus for manufacturing thread or the like - Google Patents

Methods of and apparatus for manufacturing thread or the like Download PDF

Info

Publication number
US2217707A
US2217707A US53918A US5391835A US2217707A US 2217707 A US2217707 A US 2217707A US 53918 A US53918 A US 53918A US 5391835 A US5391835 A US 5391835A US 2217707 A US2217707 A US 2217707A
Authority
US
United States
Prior art keywords
thread
evaporative
chamber
reel
spinning
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
US53918A
Other languages
English (en)
Inventor
Fred J Samerdyke
Louis E Lovett
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.)
Industrial Rayon Corp
Original Assignee
Industrial Rayon Corp
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 BE418878D priority Critical patent/BE418878A/xx
Priority to NL48775D priority patent/NL48775C/xx
Application filed by Industrial Rayon Corp filed Critical Industrial Rayon Corp
Priority to US53918A priority patent/US2217707A/en
Priority to GB33958/36A priority patent/GB486561A/en
Priority to FR823103D priority patent/FR823103A/fr
Application granted granted Critical
Publication of US2217707A publication Critical patent/US2217707A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/04—Dry spinning methods
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/04—Supporting filaments or the like during their treatment
    • D01D10/0436—Supporting filaments or the like during their treatment while in continuous movement
    • D01D10/0454—Supporting filaments or the like during their treatment while in continuous movement using reels

Definitions

  • This invention relates to the manufacture of thread, filaments, bands, tapes, ribbons, staple fibre or like articles, hereinafter referred to as thread or the like, according to an evaporative method; more particularly, to the manufacture of such articles, regardless of their nature, according to a method in and by which the thread or the like is formed by extrusionof a suitable suspension, solution on other dispersion of a plastic mass in a fugitive liquid vehicle.
  • a fugitive liquid vehicle comprises a volatile solvent which can be caused to evaporate and thus leave the thread or the like in a plastic or solid condition.
  • the invention is-especiallyuseful in the manufacture according to the evaporative spinning process of artificial silk thread or the like, as, for example, the manufacture of such thread from suitable volatile solvent solutions of cellulose acetate, cellulose nitrate, cellulose ethers or other cellulose derivatives.
  • Conventional machines for the manufacture of thread or the like according to the evaporative spinning process usually comprise a series of evaporative chambers in the upper portion of each of which are one or more spinning nozzles.
  • a suspension, solution or other dispersion of a suitable plastic mass is extruded from the spinning nozzle, forming-the thread or the like, which is drawn downward from the spinning nozzle and out of the chamber at the bottom thereof.
  • thread or the like is collected in any desired manner, usually with twisting, byappropriate devices located at the front of the machine.
  • An evaporative medium is admitted to the chamber, preferably at the bottom, such evaporative medium usually being air, heated either externally or internally of the chamber, as by means of suitable pipes located therein.
  • the fugitive liquid vehicle inwhich the plastic mass is suspended,dissolved or 40 otherwise dispersed is caused to evaporate from the thread or the like during its passage through the evaporative chamber.
  • Solvent-laden evaporative media are generally drawn off from the tops of the evaporative chambers and passed to suitable" solvent recovery systems.
  • e spinneret can be inspected only from a catwal provided at the rear of the machine for maintenance purposes.
  • the height of the evaporative chamber results in still other disadvantages, among them the height of the plant building required, difiiculty in constructing'the machine, 'difliculty inservicing and repairing the machine, and difficulties in maintaining proper temperatures and other spinning conditions.
  • Analogous considerations apply to machines for the manufacture of thread or the like, regardless of its nature, by evaporative spinning processes other than the celluloseacetate process.
  • the invention involves, inter alia, the employment in association with an evaporative chamber of one or more thread-storage devices, preferably, but not necessarily, of a type on which a length of thread or, the like is temporarily stored, continuously treated and positively advanced in the form of a relatively large number of helical or generally helical turns.
  • One or more thread-storage devices may be disposed within the evaporative chamber, in separate chambers associated therewith, or outside of the evaporative chamber. If desired, a plurality of'threadstorage'devices may be employed in various combinations of these arrangements. In all of these cases, advantages result which will be explained more in detail hereinafter.
  • Figure 1 is a sectional elevation from line I-I of Figure 2 of one embodiment of the invention in which a single thread-storage device is employed in conjunction with a relatively short evaporative chamber;
  • Figure 2 is a front elevation of the same embodiment with parts broken away for the sake of clearness.
  • Figure 3 is a section along line 3-3 of Figure 4 of one form of threadstorage device which may be used to advantage in the practice of the invention;
  • Figure 4 is an end elevation thereof;
  • Figure 5 is a section corresponding to that of Figure 3 of another form of thread-storage device, the same including means for supplying treating medium to the thread or the like from the interior of the device.
  • Figure 6 is a section along line 66 of Figure 7 showing another embodiment of the invention in which a plurality of thread-storage devices are disposed in a relatively short evaporative chamber.
  • Figure 'I is a front elevation of the embodiment of Figure 6 parts being shown as broken away.
  • Figure 8 is a sectional elevation along line 88 of Figure 9 of another embodiment of the invention embracing a plurality of thread-storage devices associated with a relatively short evaporative chamber, means being provided for applying treating medium to the thread stored thereon.
  • Figure 9 is a corresponding front elevation with parts broken away.
  • Figure 10 is an elevation along line Ill-40 of Figure 11 of an embodiment of the invention including a relatively long evaporative chamber, a first thread-storage device disposed within said chamber, and a second threadstorage device positioned outside said chamber.
  • Figure 11 is a front elevation of the same embodiment, parts being broken away.
  • trates an embodiment of the invention employing a plurality of thread-storage devices, in this case two, associated with a relatively long evaporative chamber on each of which devices treating me dium may be applied to the thread;
  • Figure 13 is a corresponding front elevation, parts being broken away;
  • Figure 14 is an elevation along line I4I4 of Figure 12 showing a method of mount- '1n the embodiment of Figures 1 and 2, the multiple filament thread I is formed in the usual manner by extrusion of the spinning solution of cellulose acetate, containing acetone as a solvent, from the spinneret 2 into the evaporative chamber 3. While more than one spinneret may be positioned in each evaporative chamber, only one.
  • a plurality of evaporative chambers 3 may, as in conventional evaporative spinning machines, be
  • the walls of the evaporative chambers 3 may be suitably insulated, as in conventional practice, for temperature control.
  • the spinning solution may be supplied to each spinneret in any desired manner as by means of supply line 4 and pump 5 which is driven through gears 6 from drive shaft 1, common to all spinneret pumps, and which communicates with the spinneret 2 through pipe 8 and candle filter 9.
  • the thread I after being formed by extrusion, passes to a suitable thread-storage device II on which any desired length of thread may be continuously but temporarily stored, for purposes to be later described, after which it may be collected by any suitable device, as by cap-twister I2.
  • Thread-storage device I I- may'take any suitable form.
  • a thread-storage device is used on which the thread is positively advanced in a large number of helical or generally'helical turns.
  • the thread-storage devices illustrated in Figures 3, 4 and 5 take the form of reels of the same general type as that shown, described and claimed in an application entitled Winding reel," Serial No. 652,089, filed January 16, 1933, in the name of Walter F. Knebusch. If desired, reference may be had to the corresponding British patent, which is identified as specification No. 413,414.
  • the reel of Figures 3 and 4 comprises two rigid generally cylindrical members I3 and I4, rotatably mounted with their axes slightly offset from and inclined to each other.
  • Member I3 which may be termed the concentric member, is mounted concentrically of and for rotation with drive shaft I5, having its periphery made up of a plurality of bar-like members Hi.
  • the concentric member l3 in the embodiment of Figures 3 and 4 may be fixed to the drive shaft I5 by means of a key and nut I! which provides for easy removal of this member when desired.
  • Drive shaft I5 may be journalled in the correct position in frame member I8, on which eccentric member I4 may be rotatably mounted with its axis in offset and inclined relationship with regard to the axis of member I3.
  • the periphery of member I4 is composed of a plurality of longitudinally extending bars I9, the number of which is preferably the same as that of the bar-like members I6 of member I3 and which are alternately disposed with respect to said bar-like members I5.
  • bars l9 may be supported in any suitable manner, as that shown, in which they are supported from one end by being clamped between the outer and inner ring-like members 2I and 22, respectively internally and externally tapered and secured together by screws 23.
  • the inner ringl'ike member 22 may be provided with a central sleeve 24, concentric therewith, which is journalled on frame member I8 with its axis in the aforesaid offset and inclined relation to that of member l3.
  • a tubular flexible sealing member 25, which may take the form of a bellows as shown, may be provided to enclose that portion of the mechanism surrounding shaft I5 between members I3 and I4, and thus provide protection for this mechanism as well as prevent the escape of lubricants, etc.
  • Rotation of the drive shaft I5 causes concentric member I3 to rotate therewith and contact between the bar-like members I6 of member I! and the bars IQ of member I4 causes the latter member to rotate.
  • Rotation of the reel causes the thread to wind on the reel and, by the action of the offset and inclined members l3 and I4, to form spaced substantially helical turns which I progress axially along the reel in a manner more ning machine.
  • the thread may be caused to wind on the reel at the rear and progress in substantially helicalturns toward the front, or from left to right in Figure 3, where the thread is discharged or taken off, as by suitable guide means.
  • a reel of the open-ended type that is, a reel supported at one end only with no projecting shaft at the other end, such, for example, as the reel described, offers certain advantages in threading up or manipulating the thread while starting it on the reel, as well as certain] constructional advantages arising out of the possibility of supporting the reel at one-end only.
  • any desired length of thread within reasonable limits may thus be continuously but temporarily stored in a relatively small space without tangling or interference of the thread.
  • Figure 5 illustrates a modification of the type of reel illustrated. in Figures 3 and 4, in which modification means are provided for supplying treating medium, either gaseous or liquid, to the thread or the like on the reel from the interior of the reel.
  • the concentric reel member I3 a has a hollow body or chamber 26, the inner end of which is closed off by the hub 21. The outer endthereof is closed off by cover or cap 23, held in place by a plug bolt 29 which also closes the end of the hollow shaft I50. and secures concentric reel member l3a in place against pin 30 on shaft l5a.
  • A- plurality of holes 32 in the wall of the chamber 26 permit the treating medium in the interior of the reel to reach the thread stored thereon.
  • the mechanical operation of this reel may be exactly similar to that of the reel of Figures 3 and 4.
  • a reel of the type illustrated in Figure 5 is used, but it is apparent that by suitable modification of the apparatus the reel of Figures 3 and 4 may be employed.
  • the reel may be mounted and positively driven in the manner shown.
  • Reel frame member i8 is mounted on the frame 33 of the spin-
  • Each reel in the horizontal series formed by the reels in adjacent chambers may be driven from a longitudinal drive shaft 34 through helical gears 35, 3B, the latter of which is mounted for rotation with the reel drive shaft l 511.
  • Treating medium is supplied to the interior of the reel, from which it reaches the thread on Evaporative medium may be supplied to evapo- Q ratlve chamber 3 by a supply pipe 42 or from chamber 38, if an evaporative medium is supplied thereto.
  • the solvent-laden evaporative medium may be drawn off by any suitable means, as through the exhaust manifold 44 which may. be positioned at the top of the evaporative chamber 3. If a heated evaporative medium is used,
  • the spinning solution may, if desired, be-heated by causing it to pass, on its way to the spinneret.
  • passage 40 which may be heated by the gases in the manifold, as shown.
  • the filaments dry sufliciently at a short distance-from the spinneret to retain their shape and eliminate sticking even though they still contain a-large amount of sol vent.
  • the distance between the spinneret and the reel succeeding it may be relatively short and thus make it possible to decrease the required height of the evaporative chamber.
  • Heating pipes 43 may be provided 'in the evaporative chamber 3 to heat the evap-
  • the remainder of the volatile solvent in the thread may separate from the evaporative chamber 3, it is possible to provide different evaporative conditions in the two chambers, which may result in certain advantages; for instance, it may be desirable to maintain temperature differences in the two cells in which case the luster and/or other physical properties of the thread may be controlled to a certain extent.
  • Aguide 48 may be provided to guide the: thread at this point.
  • Means, such as the sliding latch 50, may be provided to reduce the opening at slot 45 after the thread has been started on reel ll. Thread may leave the chamber, as shown, at the bottom through a slot 49 which may be formed at the junction of the door 41 and the wall of the chamber 38. The thread may thereafter pass to the collecting device.
  • captwisting apparatus In conventional evaporative spinning practice, the thread is generallytwisted immediately after being produced. Therefore, various forms of captwisting apparatus are shown in the embodiments of this invention as the collecting devices, although any suitable collecting devices may be used. Since a positively driven reel is used, 'the draw-off roll, employed on conventional machines to draw the thread from the spinneret, may be dispensed with and the thread passed directly from the reel to the cap-twisting device l2, as through the guide which may be pivotally mounted to be swung out of the way when the cap 52 is removed from the twister.
  • the rotatable whirls 53 of a pair of adjacent twisters are driven by belt 54 from the conventional drum 55, a suitable tensioning device 56 and guide roller 51 be-' ing provided for each belt.
  • the spindle shafts 58 of all twisters may be mounted on the spindle rail 59 which is rigidly fastened to the frame of the spinning machine.
  • comprises one or more chains 62, each of which is fastened to a sprocket 63 rigidly mounted, as by a key, on the shaft 64 extending longitudinally of the ma- Shaft 64 is given an oscillatory motion by means of a chain 65 fastened to sprocket 56 which is rigidly mounted on shaft 64, which chain 65 is given the required motion'tov cause it to wind and unwind from sprocket 66 by means of the lever 61 actuated by the cam 68 from shaft 69.
  • Shaft 69 is given the desired rotating motion by some suitable means, not shown.
  • the spinning machine embodied in Figures 1 and 2 may be considerably shorter than conventional spinning machines. As shown, the spinneret 2 may be easily observed from the'fioor through the window-10 provided in the wall of Door H may be provided, as in conventional machines, for access to the splnneret and candle filter 9 from, the
  • a similar door is preferably provided at the front of the mapositioned in a stepped arrangement, the'axes of the reels being horizontal, with the discharge end of the first reel adjacent the receiving end of the succeeding reel.
  • the reels may be mounted and driven in any suitable manner.
  • the reel frame members l8 are supported by the longitudinally extending spinning machine '3 at the top by means of the exhaust manifold 44.
  • the thread I which in the conventional manner is formed by extrusion of the spinning solution from the splnneret 2 into the evaporative chamber 3, passes through guide [9, which associates the filaments of the thread I and guides it on the first reel 14 on whichthe thread is continuously temporarily stored and advanced in substantially helical form axially of the reel 14 until it leaves the reel, passing through guide 8
  • the thread i may leave the evaporative chamber 3 through the bottom as in the embodiments of Figures 1 and 2 or through a slot 33 in the side of the chamber, as shown. Doors 85, 86 may be provided for access to the reels for threading up, etc.
  • Windows may be provided in the doors so the operation of the reels may be observed without opening evaporative chamber 3.
  • the slot 83 through whichthe thread leaves the chamber may be located at the lower edge of door 86.
  • a window 10 may be provided at the front or operating side of the apparatus for observance of the spinneret, etc., while the door 1i may be provided at the rear for access to the splnneret I and candle filter 9.
  • partitions 9I, 92, 93 in which case chambers 94, 95, 96 enclosing the respective reels 81,- 88, 89
  • the reels may be of a type similar to the reel of Figure 5 in which the treating medium may be supplied to the thread from the interior of the reel.
  • may be provided for exhausting or removing the treating medium from the chamber enclosing each reel.
  • the reels may be driven,
  • Doors 98, 99, I00 may be provided for access to the respective reels while guides I02 may be provided to guide the thread as it starts on each reel.
  • guides I03 is supplied for the thread I as it leaves the last chamber 96, as through slot 83 at the edge of door I00.
  • the evaporative chamber 3 may be relatively short, as in the previous embodiment, since, if desired, the remaining solvent in the thread I may be evaporated on one or more of the succeeding I reels.
  • Evaporative medium may be drawn into chamber 3 from one or more'of the succeeding chambers. enclosing the reels, if evaporative medium is supplied thereto, or the evaporative medium may be supplied by some independent means as pipe 42.
  • Evaporative medium may be exhausted from evaporative chamber 3 in any desired manner as by the exhaust manifold Mi.
  • Heating means, as pipes 43, may be provided in the chamber.
  • Window I0 in the wall at the front or operating side of the machine may be supplied for observing the spinneret and thread while the door -II may be furnished in the opposite wall of the machine for access to the upper part of the evaporative chamber.
  • suitable thread-storage devices may, according to this invention, be advantageously employed in association with relatively long evaporative chambers, chambers as long, for instance, as those of conventional spinning machines.
  • the thread I after being formed by extrusion of the spinning cessing treatments may be performed, after which the thread passes to another reell06 outside of the evaporative chamber, on which reel other processing treatments may be applied to the thread, after which it may pass to a suitable collecting device, as cap-twister I 2.
  • the liquid treating apparatus may take any suitable form, as that illustrated, which comprises a reagent distributor I 07. positioned above the reel, from which the treating liquid is showered down on .the thread on the reel and which is supplied from the-reagent supply line l08which may extend longitudinally of the spinning machine and thus be commonto all reels in the, horizontal series.
  • the liquid, as it leaves the reel I05, may be deflected to the drain pipe I09 by means of a. slopingpa'rtition Iii.
  • pipe f I09 may also. extend longitudinally of I the spinning machine and serve all ,reels in a horizontal series, and may communicate with the sewer if-it is not desiredtore-use the treating liquid or, in conjunction with the supply pipe vI 08,-
  • a partition I I2 may be provided to segregate the space surroundingthereel from the evapora- V tive chamber 3 forming-in effect, a treating chamber H3.
  • Reel I05 may be driven from a longitudinallyv extending drive shaft 34 through gears 35, 36.
  • Door H0 which may contain a window, is shown. as providing access to the chamber 3 and reel I05.
  • a suitable means, such as sliding latch H4 may be provided to decrease the,-opening in the partition II2 through which the thread passes to the reel, after the thread has once been started on the reel.
  • a guide H5 to
  • a slot 83 at the lower edge of the door H is shown through which the thread leaves the chamber.
  • a liquid treatment is applied to the thread, it may be desirable to dry the thread before it is collected.
  • apparatus shown for drying comprises a housing Ill enclosing substantially all of the reel I06 which housing is supplied with gaseous drying medium, such as heated air, from conduit I20 which may supply all similar drying housings and which may be supplied with drying medium from a suitable source.
  • the housing II'l may be formed with a hinged cover I I8 or other suitable means for allowing access to the reel.
  • the cover II8 may be swung back, as shown by thedotted lines 0', when threading up the reel and may be provided with a slot H9 at its edge to prevent interference with the thread starting on the reel when the cover H8 is closed.
  • Reel I06 is shown as being supported by means of bracket I2I fastened to the frame of the spinning machine and being driven by chain I22 on sprocket I23 on the reel drive shaft I5, which chain I22 is driven by sprocket I24 on the drive shaft I25 which may serve all similar reels and is driven by suitable means not shown.
  • the reel I06 is shown in a position corresponding to that of the draw-off roller in conventional evaporative spinning machine; that is, with its axis extending longitudinally of the machine, and may be employed in that capacity if there is no reel preceding it, with the added advantage over the conventional draw-oi! roller that various processing treatments may be applied to the thread thereon.
  • the arrangements of the reels with regard to the evaporative chambers, as well as methods of mounting and driv ing the reels I and I06 and the methods of applying treating mediums to the thread stored thereon are susceptible of various modifications.
  • Cap-twister I2 The collecting deviceis shown as cap-twister I2 to which the thread passes from reel I06 through guide I, which may be pivoted as shown.
  • Cap-twister I2 may be actuated by mechanism similar to that of Figures 1 and 2, wherefore no further description thereof is believed necessary.
  • Other details of the apparatus may be conventional; for example, the means, such as pipe 42. for introduction of the evaporative medium into evaporative chamber 3; heating means, such as pipes 43 in the evaporative chamber; exhaust means. such as manifold 44, for removing the solvent-containing evaporative medium from chamber 3; window I0 for observing the spinneret and run of the thread; and door II for access to the upper region of the evaporative chamber.
  • FIG. 14 A convenient method of mounting and driving the reels is illustrated on a larger scale in Figure 14. As can be seen from Figures 12, 13 and 14, corresponding reels in adjacent chambers may be disposed with their driving ends adjacent the wall between them, in consequence of which fact two reels may readily be driven by the same power means.
  • the reels I26, I21 may be separated from the evaporative chamber 3 or from each other by partitions I28, I29, which provide processing chambers I3I, I32, each of which may be provided with treating medium supply and exhaust conduits I33, I34 and doors I35, I36 for access to the chambers and reels.
  • Suitable means such as a slide latch I31. shown on the partition I28 between the first reel I26 and the evaporative chamber 3, may be provided to reduce the size of the aperture therein provided for the passage of the thread.
  • the evaporative 4 medium for evaporative chamber 3 may be supplied from one of the processing chambers I3I, I32, if evaporative medium is used therein, or it may be supplied by some independent means, as pipe 42.
  • Other details of the apparatus associated with the evaporative chamber may be more or less conventional, such as spinneret 2, candle filter 9, heating pipes 43, exhaust manifold 44, window 10, door II, etc.
  • Suitable means such as guides I30, I39, may be supplied to'guide the thread as it starts on each reel.
  • a guide I may be located adjacent the discharge end of the last reel I21 to guide the thread as it leaves the chamber I32, as by slot at the edge of door I30.
  • a guide BI which may, if desired, be pivoted, may be provided for the thread as it passes to the collecting device, in this case cap-twister I2 which may be actuated by apparatus such as that previously described.
  • Figure 14 may be taken as representative of the means of mounting and driving all of the reels.
  • the reel at the left of Figure 14 will be assigned reference numeral I2Ia and the one at the right II").
  • the boss member I8 on which the eccentric member of each reel is mounted and in which is journalled the drive shaft for.the reel is supported on or formed integral with caplike'member' I43. Both cap-like members I43 are fastened diametrically opposite on the wall- I40 between adjacent chambers.
  • On drive shaft lib of one reel I2") is mounted for rotation sprocket I44, rotated by chain I45, which is driven by sprocket I40 mounted on drive shaft I41 which may extend longitudinally of the machine and drive all the reels in a horizontal series.
  • the drive from the drive shaft lib to drive shaft I5 of reel l21a may be accomplished by coupling member I49. Suitable collars I50 are shown fixed to shafts I5 and lib to prevent end play thereof and locate the reels axially.
  • the reel mounting and driving means illustrated is simple and inexpensive of construction and may be quickly and easily assembled and disassembled.
  • Stretching of the thread or the like may also be secured by causing. one or more of the reels to be rotated by the drag of the thread or the like as it is drawn off the reel since a thread-storage reel of this type also performs a thread-advancing function when .operated in this manner. Suitable combinations of these methods may be used if desired. Stretching of the thread or'the like while still plastic is often desirable since improved physical properties, such as increased tensile strength, etc., result.
  • the threads-or the like is appropriately stretched by suitable differences in the peripheral speeds of adjacent reels or by any of the other above-mentioned methods.
  • thread 'or the like is dried if desired after stretching, as by drying reel lfliof Figures 10 and .11.
  • Such tinting or other dyeing of the thread or the like may, according to this invention, be applied to the thread or the like continuously with-its production by suitable apparatus, such as the liquid processing apparatus associated with reel I05 of the embodiment of Figures 10 and 1.1, after which the thread or the like may be dried, as on reel I06, before being collected.
  • suitable apparatus such as the liquid processing apparatus associated with reel I05 of the embodiment of Figures 10 and 1.1, after which the thread or the like may be dried, as on reel I06, before being collected.
  • the invention provides uniformity of treatment, as'desired; ease of control of the treatments; economy of treating medium; economy of space, as well as other advantages.
  • Non-uniform or novelty effects may also be readily produced on the thread or the like by the methods and apparatus of this invention.
  • the peripheral speeds of the thread-storage devices with respect to each other and/or with respect to the speed of .extrusion of the spinning solution from the spinning nozzle may be varied during the operation of the apparatus at regular or irregular intervals, in which case varied stretching or shrinking effects are applied to the thread.
  • suitable liquids or vapors such as solvent liquids or vapors, may be applied at regular or irregular intervals to the thread or the like when it is stored on one or more thread-storage devices, in which case the luster and/or surface characteristics of the I thread or the like will be correspondingly affected; etc.
  • the invention is particularly advantageous in the manufacture of thick filament bundles intended for use in making staple fiber, such articles being of relatively high denier.
  • 8 'ch products are ordinarily dimcult to produce according to the conventional down-spinning evaporative methods because the filament bundle, being very soft immediately after issuing from the spinning nozzle, is not strong enough to support the weight of the length of the previously formed product extending" downward into the evaporative chamber.
  • Other difficulties arise from the fact that a substantially longer travel is required through the home such articles of large denier according to the present invention.
  • the greater part of the freshly spun product may be supported in close I proximityto the spinning nozzle on one or more thread-storage devices, thus eliminating the difficulty arising from its relatively great weight.
  • a much longer length of the product than heretofore possible may, by storing it on one or more thread-storage devices, be subjected to the action of the evaporative medium, the former difficulties of slow speed of production, excess 'of machine height due to the length of the evaporaessing treatments may be applied to the thread tive chamber heretofore required, etc., are therefore eliminated.
  • the invention is not restricted to the particular type of thread-storage device hereinabove shown and described. Any suitable type of threadstorage device may be used, but preferably one on which, by the action ofthe device, thread or the like is continuously but temporarily stored in a relatively large number of helical or generally As has been,
  • thread-storage device hereinabove described comprises two generally cylindrical cage members mounted with their axes slightly offset from and inclined to each other, a similar effect may be obtained by means of two generally cylindrical members mounted with their axes similarly inclined but offset sufficiently to separate the peripheries of the two cylindrical members completely.
  • the term "generally helica as employed in the appended claims is intended to include this type of thread-storage device.
  • Apparatus for the manufacture of thread or the like by an evaporative spinning process comprising means forforming the thread or the like a chamber for extracting solvent from the thread or the like to solidify the same; one or more thread-advancing thread-storage devices disposed in said chamber, each of said thread-advancing, thread-storage devices being constructed and arranged to positively advance the thread or the like in the general form of a helix characterized by a large number of turns; and means for subjecting the thread or the like on at least one thread-advancing, thread-storage device to processing treatment other than removal of'the solvent from the thread or the like.
  • Apparatus for the manufacture of thread or the like by an evaporative spinning process comprising means for forming the thread or the like;
  • an evaporative chamber a pluralityof threadstorage devices associated with said evaporative chamber onwhich the thread or the like is positively advanced in generally helical form, at least one of said thread-storage devices being disposed in said evaporative chamber; and means for operating one of said thread-storage devices at a peripheral speed different from that of another of said thread-storage devices.
  • Apparatus for the manufacture of thread or the like by an evaporative spinning process comprising a first chamber; means in said first chamher for forming the thread or the like; a second chamber to which the thread or the like proceeds from said first chamber; and, disposed in said second chamber, at least one thread-storage device by means of which .the thread or the like is continuously stored in the general form of a helix characterized by a large number of turns.
  • Apparatus for the manufacture of thread or the like by an evaporative spinning process comprising means for forming the thread or the like; a chamber for extracting solvent from the thread or the like to solidify the same; and, disposed in said chamber, a plurality of thread-advancing thread-storage devices each of which is constructed and arranged to positively advance the thread or the like in generally helical form, the receiving end of each thread-advancing, thread-storage device other than the first being disposed in opposite relation to the discharge end like; an evaporative chamber; a thread-storage device disposed in said' evaporative chamber by,
  • Apparatus for the manufacture of thread or the like by an evaporative spinning process comprising an evaporative chamber; means for forming the thread or the like disposed in said evaporative chamber; a thread-storage device by means ofwhich the thread or the like is continuously stored in a large number of generally helical turns disposed in said chamber at a pdint spaced from said thread-forming means by an amount suflicient to permit the thread or the like leaving said thread-forming means to achieve a condition of partial solidification before it reaches-said thread-storage device; and, associated with said chamber, means for collecting the thread or the like.
  • Apparatus for the manufacture of thread or the like by an evaporative spinning method comprising an evaporative chamber; means forforming the thread or. the like disposed in said evaporative chamber; a thread-storage, threadadvancing device of .cantilever form disposed in said evaporative chamber at a point spaced from' comprising a vertically extending evaporative chamber; means for forming the thread or the like disposed in said evaporative chamber at the upper portion thereof; -a unitary, thread-advanc ing reel associated with said evaporative chamher at the lower portion of said chamber whereby the thread or the like is withdrawn from said thread-forming means; and means for collecting the thread or the like.
  • Apparatus of the character described in I claim 8 in which means for subjecting the thread or the like to processing treatment are associated with said reel.
  • Apparatus forthe manufacture of thread or the like by an evaporative spinning process comprising means for forming the thread or the like; a chamber for extracting solvent from the thread or the like to solidify the same; one or more thread-advancing reels of cantilever form disposed in said chamber below said thread-forming means, each of said reels being adapted to receive the thread or the like at its supportedend and positively advance it toward its unsupported end in a large number of generally helical turns; and meansfor withdrawingthe thread or the'like from said chamber.
  • Apparatus for the manufacture of thread or the like by an evaporative spinning process comprising a chamber for extracting solvent from the thread or the like to solidify the same;
  • each of said reels being adapted to' receive the thread or like at its supported end and positively advance it toward its unsupported end in a large number of generally helical turns; and means for withdrawing the thread or the like from said chamber.
  • Apparatus for manufacturing thread or the like by a spinning method comprising an evaporative chamber for extracting solvent from the thread or the like to solidify the same; means for forming the thread or the like disposed in said chamber at one end thereof; a thread-storage device by means of which the thread or the like is positively advanced in a large number of generally helical turns, said thread-storage device being disposed in said chamber at a point spaced from said thread-forming means by an amount sufficient to permit the thread or the like leaving said thread-forming means to achieve a condition of partial solidification before it reaches said thread-storage device; and means for withdrawing the thread or the like from said chamber.
  • a method of manufacturing thread or the like by an evaporative spinning process comprising a the steps of forming the thread or the like; positively advancing the thread or the like, prior to complete solidification thereof, in a large number of generally helical turns in an evaporative chamber; positively advancing the thread or the like in a large number of generally helical turns under conditions diiferent from those obtaining in said evaporative chamber; and collecting the thread or the like.
  • a method of manufacturing thread or the like by an evaporative spinning process comprising the steps of forming the thread or the like; passing the thread or the like, prior to complete solidification thereof, through an evaporative chamber; positively advancing the thread or the like in a large number of generally helical turns under conditions different from those obtaining in said evaporative chamber; and collecting the thread or the like.
  • a method of manufacturing thread orv the like by an evaporative spinning process comprising the steps of forming the thread or the like; passing the thread or the like, prior to complete solidification thereof, through an evaporative chamber, meanwhile positively advancing the thread or the like within said evaporative chamber in a large number of generally helical turns; and collecting the thread or the like.
  • Apparatus for the manufacture of thread or the like by an evaporative spinning process comprising a chamber for extracting solvent from the thread or the like to solidify the same; a spinning nozzle disposed in said chamber; and, spaced from said spinning nozzle, one or more thread-advancing, thread-storage devices, each of said thread-advancing, thread-storage devices being constructed and arranged to positively advance the thread or the .like in the general form of a helix characterized by a large number of turns.
  • Apparatus for the'manufacture of thread or the like by an evaporative spinning process comprising means for forming the thread or the like; a chamber containing an evaporative medium for extracting solvent from the thread or the like to solidify the same, said chamber having an opening therein through which the thread or the like may leave said chamber; and a selfa condition of at least partial solidification before'it reaches said reel, said reel receiving the thread or the like at the supported end thereof, positively advancing it toward the unsupported end thereof in a large number of closely spaced generally helical turns, and discharging it adjacent the opening in said chamber.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Artificial Filaments (AREA)
US53918A 1935-12-11 1935-12-11 Methods of and apparatus for manufacturing thread or the like Expired - Lifetime US2217707A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BE418878D BE418878A (en)van) 1935-12-11
NL48775D NL48775C (en)van) 1935-12-11
US53918A US2217707A (en) 1935-12-11 1935-12-11 Methods of and apparatus for manufacturing thread or the like
GB33958/36A GB486561A (en) 1935-12-11 1936-12-10 Improvements in or relating to methods of and apparatus for manufacturing artificialthread or the like
FR823103D FR823103A (fr) 1935-12-11 1936-12-10 Perfectionnements aux procédés et aux appareils de fabrication de fil ou autre article analogue

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US53918A US2217707A (en) 1935-12-11 1935-12-11 Methods of and apparatus for manufacturing thread or the like

Publications (1)

Publication Number Publication Date
US2217707A true US2217707A (en) 1940-10-15

Family

ID=21987431

Family Applications (1)

Application Number Title Priority Date Filing Date
US53918A Expired - Lifetime US2217707A (en) 1935-12-11 1935-12-11 Methods of and apparatus for manufacturing thread or the like

Country Status (5)

Country Link
US (1) US2217707A (en)van)
BE (1) BE418878A (en)van)
FR (1) FR823103A (en)van)
GB (1) GB486561A (en)van)
NL (1) NL48775C (en)van)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2423182A (en) * 1943-04-29 1947-07-01 Du Pont Method of cold-drawing tapered filaments
US2451854A (en) * 1944-06-15 1948-10-19 Du Pont Dry spinning apparatus
US2509292A (en) * 1946-10-17 1950-05-30 Celanese Corp Production of stretched artificial yarns and textile materials made therefrom
US2515393A (en) * 1945-03-01 1950-07-18 American Viscose Corp Dry spinning system
US2535426A (en) * 1948-06-15 1950-12-26 Celanese Corp Metier
US2551684A (en) * 1946-05-21 1951-05-08 American Viscose Corp Dry spinning apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE739548C (de) * 1939-04-28 1943-09-29 Glanzstoff Ag Streckvorrichtung fuer kuenstliche Faeden, insbesondere aus Viskose

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2423182A (en) * 1943-04-29 1947-07-01 Du Pont Method of cold-drawing tapered filaments
US2451854A (en) * 1944-06-15 1948-10-19 Du Pont Dry spinning apparatus
US2515393A (en) * 1945-03-01 1950-07-18 American Viscose Corp Dry spinning system
US2551684A (en) * 1946-05-21 1951-05-08 American Viscose Corp Dry spinning apparatus
US2509292A (en) * 1946-10-17 1950-05-30 Celanese Corp Production of stretched artificial yarns and textile materials made therefrom
US2535426A (en) * 1948-06-15 1950-12-26 Celanese Corp Metier

Also Published As

Publication number Publication date
FR823103A (fr) 1938-01-14
GB486561A (en) 1938-06-07
BE418878A (en)van)
NL48775C (en)van)

Similar Documents

Publication Publication Date Title
US2243964A (en) Manufacture of thread or the like
US2811409A (en) Spinning of acrylonitrile polymer fibers
US2217707A (en) Methods of and apparatus for manufacturing thread or the like
US2142717A (en) Manufacture of cellulose derivative materials
US2264415A (en) Manufacture of artificial filaments, yarns, and similar materials
US2054852A (en) Manufacture of artificial threads, ribbons, and like materials
US2053767A (en) Production of filaments, yarns, fabrics, and like materials
US2178104A (en) Apparatus for handling thread or the like
US2317152A (en) Apparatus and method for the manufacture of artificial fibers
US2196449A (en) Method and apparatus for manufacture of staple fiber
US2411774A (en) Method and apparatus for manufacture of continuous filament and like structures
US2225642A (en) Manufacture of thread or the like
US1950026A (en) Manufacture of artificial filaments or threads
US2233418A (en) Manufacture of staple fiber
US2780347A (en) Apparatus for the treatment of thread
US2563039A (en) Apparatus for the manufacture of artificial yarns
US2303052A (en) Manufacture of artificial silk thread or the like
US2068538A (en) Manufacture of filaments or the like of cellulose derivatives
US2931107A (en) Drying apparatus
US1950025A (en) Manufacture of artificial filaments or threads
US2044136A (en) Treatment and manufacture of artificial yarns, threads, filaments, and the like
US2072928A (en) Manufacture of artificial materials
US2286213A (en) Method of drying thread or the like
US2145290A (en) Manufacture of artificial filaments and other products
US2122290A (en) Artificial thread and method for preparing same