US3302381A - Apparatus for controlling the cop formation on roving frames - Google Patents

Apparatus for controlling the cop formation on roving frames Download PDF

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Publication number
US3302381A
US3302381A US382051A US38205164A US3302381A US 3302381 A US3302381 A US 3302381A US 382051 A US382051 A US 382051A US 38205164 A US38205164 A US 38205164A US 3302381 A US3302381 A US 3302381A
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Prior art keywords
feeler
bobbin
template
carriage
movement
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Expired - Lifetime
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US382051A
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English (en)
Inventor
Pfeifer Willi
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Oerlikon Textile GmbH and Co KG
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Zinser Textilmaschinen GmbH
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14—Details
    • D01H1/36—Package-shaping arrangements, e.g. building motions, e.g. control for the traversing stroke of ring rails; Stopping ring rails in a predetermined position
    • D01H1/365—Package-shaping arrangements, e.g. building motions, e.g. control for the traversing stroke of ring rails; Stopping ring rails in a predetermined position for flyer type

Definitions

  • the present invention relates to an apparatus for controlling the building up of a cop on speed frames.
  • the present invention concerns a control mechanism for speed frames by means of which the contour of a predetermined cop or bobbin shape is in the form of a control program conveyed to a reversing gear transmission for reversing the direction of movement of the balling carriage and the infinitely variable transmission for changing the speed of the bobbins and for chang ing the speed of the balling carriage.
  • This switch primarily comprises a rotatably journalled rocker which by means of the upwardly and downwardly moved balling carriage is subjected to an alternate weight load.
  • the pawls which arrest said rocker in its respective end positions are lifted out by means of adjustable abutments arranged at another rocker moved by said carriage by linkage means. In this way, the rocker is released, tilted, and thereby reverses the reversing transmission through the intervention of linkage means.
  • the form of the bobbin winding or of the cop and, more specifically, the height and the conical angle thereof are determined by the adjustment of the abutments of the rocker actuated by the balling carriage, and furthermore by the teeth of the indexing wheel and the length of the link member at the start and the end of the withdrawal operation.
  • the adjustable abutments on the rocker actuated by the balling carriage determine the level of the winding.
  • FIGURES 1 to 4 illustrate the development of the control template
  • FIGURE 5 represents a diagram for explaining the essence of the present invention
  • FIGURES 6 to 9 respectively illustrate various embodiments of a control template according to the invention.
  • FIGURES 10 and 11 respectively illustrate a particularly advantageous embodiment of the present invention in side view and top View
  • FIGURE 12 diagrammatically illustrates an arrangement for adjusting rulers in scanning or feeling direction in connection with the present invention
  • FIGURE 13 shows an arrangement similar to that of FIGURE 12 but with circularly curved, rigid rulers
  • FIGURE 14 shows an arrangement similar to that of FIGURE 13 but with variable curvature.
  • the problem underlying the present invention has been solved by reversing the lifting movement which brings about the building up of the bobbin, in conformity with a template which is geometrically similar to the generatrix of the winding trapezoid of the bobbin, said template having two legs which are scanned by feelers gradually displaced in a direction transverse to their feeling direction.
  • the invention provides a feeler which is moved back and forth synchronously with the lifting movement of the winding-up station of the rover, and by a stepping mechanism is, within the course of the withdrawal gradually displaced in a direction perpendicular to said first-mentioned direction of movement.
  • a carriage with two rulers which are engaged by the feeler whereby the carriage is displaced until one of its control cams actuates one of the two switching elemerits which reverse the reversing transmission.
  • the switching apparatus has a template with two rulers which are, synchronously with the lifting movement of the winding-up station of the roving, moved back and forth and in the course of a withdrawal are gradually displaced in a direction perpendicular to said first-mentioned direction of movement.
  • a carriage with one or two feelers engaged by the rulers whereby the carriage is displaced until one of its control cams actuates one of the shifting elements which reverse the reversing transmission.
  • Each shifting element may have associated therewith a carriage.
  • the adjustment of the winding level is in conformity with the present invention to be effected either by ad justing the distance of the rulers in the carriage in the direction of movement of the carriage by adjusting the.
  • J one of the variable transmissions which may be inserted in the power train for conveying the lifting movement from the winding-up station to the feeler, and by displacing the switching elements in the direction of movement of the carriage.
  • the adjustment of the opening angle of the winding cone may be effected by adjusting the inclination of the rulers with regard to the direction of movement of the carriage or by varying a variable transmission which is inserted in the power train for conveying the stepping movement from the control shaft to the feeler.
  • the feeler is designed in the form of a roller.
  • it may also be designed in the form of two feelers which are adjustable relative to each other in the direction of movement of the carriage.
  • the carriage may carry a plurality of adjustable control cams each having associated therewith a switching or shifting element.
  • FIG. I illustrates the normal shape of a roving bobbin of a speed frame the winding body 1 of which is built up in the customary manner, i.e. in the form of a so-called parallel winding.
  • the winding body of the bobbin may be viewed as a trapezoid of rotation, in other words, as a body which has been generated by rotating an isosceles trapezoid 2 about the bobbin axis 3 (FIG. 2).
  • This isosceles trape zoid 2 represents a template which is determined by the distance between and the inclination of its legs 4 and 5 and the height and opening angle of the winding body to be built up.
  • the final diameter of the bobbin is determined by the length of the wound-up roving and by the number of the winding layers.
  • the principle of the invention consists in that a template of this type serves as control program for the actuation of the control transmission of the speed frame and is gradually scanned by feelers in the course of the withdrawal. By means of the thus created control impulses, those parts of the speed frame are controlled which determine the build-up of the winding.
  • the scanning of the template may, in conformity with FIG. 3, be effected from the inside or, in conformity with FIG. 4, be effected from the outside while template and feeler are moved relative to each other in two directions rm and bb.
  • aa always represents a reciprocatory movement
  • bb indicates a stepping movement in one direction only. The sense of direction, however, depends on whether the feeler or the template is being moved.
  • FIG. 5 the main motor 6 through a pair of bevel gears 7 drives the spindle 9 carrying the fiyer 8 and also drives the drafting mechanism of the speed frame (not illustrated).
  • the bobbin pinions 13 meshing with gears 11 and carrying the bobbins 12 will be driven.
  • FIG. 5 shows only one of a plurality of spindles of the speed frame.
  • the bobbin pinions 13 are rotatably journalled in the balling carriage or bobbin rail 14, which is vertically movable and is driven through the intervention of a pinion 15 and gear rack 16 by an infinitely variable transmission 10 and an interposed reversing transmission 17.
  • a feeler 18 is, for instance by means of a coulisse system arranged on bobbin rail 14 in such a way that it takes part in the lifting movement an of the bobbin rail but is displaceable bb transversely to the direction of movement of the bobbin rail.
  • This displacement is effected, for instance, through the intervention of a threaded member 20 which is guided on a control shaft 19 designed as a threaded spindle and in which the feeler 18 is, in its turn, guided for instance, by means of a second coulisse system.
  • the auxiliary lines 21 and 22 indicate the central lines of the two coulisse systems which coulisse systems are perpendicular to each other and guide the feeler 18.
  • the operation of the device is as follows: When the bobbin rail 14 moves downwardly, also feeler 18 is moved downwardly. During this downward movement feeler 18 hits leg 24 of carriage 26 and moves the latter downwardly until carriage 26, by means of its control cam 28 hits switch 30. As a result thereof, switch 30 closes a contact and through line 32, an impulse is conveyed to the reversing transmission 17 which in this way is reversed and reverses the direction of movement of the bobbin rail 14. The same impulse also actuates the stepping mechanism 314 which, consequently turns the control shaft 19 by an adjustable angle and adjusts the infinitely variable transmission 10 as well as displaces the feeler 18 in a direction transverse to its lifting movement with the bobbin rail. More specifically, this displacement corresponds to the increase in diameter for the new winding layer.
  • the just-described cycle is repeated with the only difference that the reversing transmission 17 is again moved into its other end position, whereas the stepping mechanism 34 is advanced by one step.
  • feeler 13 is adjusted in the direction of the decreasing distance of legs 23 and 24 of the carriage, so that at the next stroke it will hit the respective leg somewhat earlier whereby the control impulse by carriage 26 is released at an earlier stage and the lifting height of the bobbin rail 14 is reduced correspondingly.
  • FIGS. 6 to 9 Various designs are possible for the template and the feeler, FIGS. 6 to 9 illustrating one of these possible embodiments.
  • FIG. 6 corresponds to the arrangement of FIG. 5.
  • the reciprocatory movement of feeler 18 in the direction an is effected synchronously with the movement of the bobbin rail, b indicating the direction of the stepwise advance of feeler 18.
  • the carriage is divided into two independent carriages 35 and 36, of which one carriage actuates switch 29 by means of control cam 27, whereas the other carriage actuates switch 30 by means of control cam 28.
  • the template 2 As has been illustrated diagrammatically in FIGS. 8 and 9, it is also possible to move the template 2 and to arrange the feelers 18 and 18' on carriage 26. The movement of template 2 is effected in the same manner in the direction aa and b as described above in connection with feeler 18.
  • the moved template is scanned from the outside
  • the scanning is effected from the inside.
  • b indicates the direction of the stepwise advance.
  • FIGS. and 11 illustrate an embodiment. of the invention in greater detail.
  • the reference numeral 37 designates the shaft, rotation of which causes the described movement of the bobbin rail.
  • Shaft 37 may be designated lifting shaft.
  • the lifting movement of the bobbin rail is, through the pair of bevel gears 38, the gear transmission 39 which is preferably equipped with a variable step-up and StCPrdOWIT transmission, and pinion 40, conveyed to gear rack 41"which latter is mounted on a supporting member 43 which is displaceable on a guiding bar 42.
  • Guided in supporting member 43 is a slide 44, and a roller 45 is rotatablyjournalled on said slide 44.
  • Slide 44 is displaceab'le transversely to the direction of movement of the supporting member 43 and is provided with teeth 46 meshing with a pinion 47.
  • Pinion 47 is rotatably journalled in "supporting member 43 and is axially displaceable on a shaft 48 but rotatably connected thereto by means of a key 49 and groove.
  • the reference numeral 19 designates a control shaft the rotative movement of which is by means of'a pair of bevel gears 50, if desired, by a step-up or step-down transmission 51 conveyed to shaft 48.
  • slide 52 In contrast to the automatically moved parts, viz. supporting member 43 and slide 44 with roller 45, slide 52 is freely displaceable on the guiding bars 53 and 54. At both wings of slide 52, there is arranged rulers 55 and 56 each of which is tiltable about a bolt 57 and by means of a clamping screw 58 is adjustable in slide 59. The inclination of rulers 55 and 56, which in this way is variable, may be read at the scales 60 and 61.
  • curved rulers which will,for instance, form convex winding cones.
  • Slide 52 carries two control earns 27 and 28 which, during a displacement of the slide will actiiate switches 29 and 30. If it appears advantageous to carry out the two control steps, viz. the reversing of the rey'ersing transmission 17 and the advancing of the control shaft 19 not at the same time but at a slightly adjustable time interval, each of the two sides of slide 52 maybe equipped with two control cams 27, 66 and 28, 67, which are independently adjustable on the slide in the iiirection of movement an of the slide. For effecting said adjustment, each cam has a slot extending in the direction of adjustment thereof anda clamp screw extending through the slot and threaded into the slide. These adjilstable control cams each are adapted to act upon separate control elements 29, 29a at one side, and 30, a at the other side. Springs 62 and 63 always return slide 52 to its intermediate position.
  • control shaft 19 and the stepless transmission 10 and feeler roller 45 are returned to their starting positions.
  • the adjustment of the desired bobbin shape with regard to the winding cone may, as mentioned before, be effected by adjusting the inclination of the rulers 55 and 56.
  • a further possibility consists in changing the transmission ratio of movement between the bobbin rail and the feeler on transmission 39. This engagement also affects the height of the winding bobbin, which may be corrected by other steps.
  • the bobbin shape may, in addition to the already mentioned change in the transmission ratio of the movement between bobbin rail and feeler roller, be changed also by changing the distance of the rulers 55 and 56 with regard to each other. This may be effected in a simple manner in conformity with the illustration of FIG. 12 by an adjustable arrangement of rulers 55' and 56' in the feeling direction.
  • the rulers 55 and 56 are adjustable in the oblong holes 52a, 52b of slide 52 and are rotatable about bolts 57a and 57b. The said bolts, when tightened, clamp the rulers in any adjusted position.
  • rollers 64 and 65 the distance apart of which is adjustable. A greater distance between rollers 64 and 65 corresponds to a lower height of the winding.
  • a similar arrangement consists in selecting the starting position of roller 45 in direction I) in such a way that in this starting position, the lifting height of the bobbin rail corresponds to the desired winding height.
  • switches 29 and 30 it is also possible to adjust switches 29 and 30 in conformity with the desired winding height.
  • the rollers 64 and 65 could be adapted to the system of FIG. 5 by replacing roller 18 by the two rollers 64 and 65 with each thereof having its own support member, the two support members being adjustably connected together and being connected as a unit to the support for roller 18.
  • FIG. 13 illustrates an arrangement in which circularly curved rigid rulers 55 and 56" are provided. These rulers are each provided with an eye 55a and 56a by means of which through the'intervention of clamping screws, the rulers can be clamped in oblong holes 52a and 52'b in slide 52, while it is possible to vary their distance apart as well as their inclination.
  • FIG. 14 illustrates rulers 55 and 56' which are adjustable as to their curvature.
  • These rulers consist of flexible band-shaped bodies of metal or synthetic material which protrude from the drawing plane and which are provided with angled-off members 55c, 560. At these members, which are expediently provided with oblong holes 55d, 56d, said rulers are likewise arrestable by means of screws 55e, 56c in oblong holes 55], 56 in slide 52. In the particular illustration of FIG. 14, said rulers follow the shape of a parabulum or hyperbulum.
  • a device according to the present invention excels by its great flexibility with regard to the shape of the cone flanks. This advantage is par ticularly great when the rulers are flexible.
  • An apparatus for winding a cop on a bobbin comprising: a constant speed source of power, a flyer connected to said source of power, a bobbin, an infinitely variable transmission connecting said source of power to said bobbin, a lifting mechanism to reciprocate said bobbin and flyer relatively in the direction of the length of the bobbin, a reversing transmission connecting said variable transmission to the lifting mechanism, a template comprising spaced end members inclined to the same angle as the ends of the cop, a feeler for engagement with said end members, drive means connecting one of said template and feeler to the lifting mechanism for effecting reversible relative movement between the feeler and template in one direction corresponding to the length of the cop, carriage means supporting the other of said template and feeler for reversible movement thereof in said one direction in response to interengagement of said feeler and one of said end members as brought about by relative movement therebetween caused by said drive means, resilient means biasing said carriage in said one direction toward an intermediate position, adjusting means for adjusting said feeler and template relatively in
  • An apparatus for winding a cop on a bobbin comprising: a constant speed source of power, a flyer connected to said source of power, a bobbin, an infinitely variable transmission connecting said source of power to said bobbin, a lifting mechanism to reciprocate said bobbin and flyer relatively in the direction of the length of the bobbin, a reversing transmission connecting said variable transmission to the lifting mechanism, a template comprising spaced end members inclined to the same angle as the ends of the cop, a feeler for engagement with said end members, drive means connecting aid feeler to the lifting mechanism for effecting reversible relative movement between the feeler and template in one direction corresponding to the length of the cop, carriage means supporting said template for reversible movement thereof in said one direction in response to interengagement of said feeler and one of said end members as brought about by relative movement therebetween caused by said drive means, resilient means biasing said carriage in said one direction toward an intermediate position, adjusting means for adjusting said feeler and template relatively in a' second direction at right angles to said one
  • An apparatus for winding a cop on a bobbin comprising: a constant speed source of power, a flyer connected to said source of power, a bobbin, an infinitely variable transmission connecting said ource of power to said bobbin, a lifting mechanism to reciprocate said bobbin and flyer relatively in the direction of the length of the bobbin, a reversing transmission connecting said variable transmission to the lifting mechanism, a template comprising spaced end member inclined to the same angle as the ends of the cop, a feeler for engagement with said end members, drive means connecting one of said template and feeler to the lifting mechanism for effecting reversible relative movement between the feeler and template in one direction corresponding to the length of the cop, carriage means supporting the other of said template and feeler for reversible movement thereof in said one direction in response to interengagement of said feeler and one of said end members as brought about by relative movement therebetween caused by said drive means, resilient means biasing said carriage in said one direction toward an intermediate position, adjusting means for adjusting said feeler and template relatively in
  • An apparatus for winding a cop on a bobbin comprising: a constant speed source of power, a flyer connected to said source of power, a bobbin, an infinitely variable transmission connecting said source of power to said bobbin, a lifting mechanism to reciprocate said bobbin and flyer relatively in the direction of the length of the bobbin, a reversing transmission connecting said variable transmission .to the lifting mechanism, a template comprising spaced end members inclined to the same angle as the ends of the cop, a feeler for engagement with said end members, drive means connecting one of said template and feeler to the lifting mechanism for effecting reversible relative movement between the feeler and template -in one direction corresponding to the length of the cop, carriage means supporting the other of said template and feeler for reversible movement thereof in said one direction in response to interengagement of said feeler and.
  • An-apparatus-for winding a cop on a bobbin comprising aconstant speed source of power, a flyer connected to-said source of power, a bobbin, an infinitely variable transmission connecting said source of power to said bobbin, a lifting mechanism to reciprocate said bobbin andflyer relatively in the direction of the length of the bobbin, a reversing transmission connecting said variable transmiss-ion to the lifting mechanism, a template comprising spaced end members inclined to the same angle as the ends of the cop, a feeler for engagement with said end members, drive means connecting one of said template and feeler to the lifting mechanism for effecting reversible relative movement between the feeler and template in one direction correspond-ing to the length of the cop, carriage means supporting the other of said template and feeler for reversible movement thereof in said one direction in response to interengagement of said feeler and one of said end members as brought about by relative movement therebetween caused by said drive means, resilient means biasing said carriage in said one direction toward an intermediate position, adjusting
  • An apparatus for winding a cop on a bobbin comprising: a constant speed source of power, a flyer connected to said source of power, a bobbin, an infinitely variable transmission connecting said source of power to said bobbin, a lifting mechanism to reciprocate said bobbin and flyer relatively in the direction of the length of the bobbin, a reversing transmission connecting said variable transmission to the lifting mechanism, a template comprising spaced end members inclined to the ame angle as the ends of the cop, a feeler for engagement wit-h said end members, drive means connecting one of said template and feeler to the lifting mechanism for effecting reversible relative movement between the feeler and template in one direction corresponding to the length of the cop, carriage means supporting the other of said template and feeler for reversible movement thereof in said one direction in response to interengagement of said feeler and one of said end members as brought about by relative movement therebetween caused by said drive means, resilient means biasing said carriage in said one direction toward an intermediate position, adjusting means for ad justing said
  • An apparatus for winding a cop on a bobbin comprising: a constant speed source of power, a flyer con nected to said source of power, a bobbin, an infinitely variable transmission connecting said source of power to said bobbin, a lifting mechanism to reciprocate said bobbin and flyer relatively in the direction of the length of the bobbin, a reversing transmission connecting said variable transmission to the lifting mechanism, a template comprising spaced end members inclined to the same angle as the ends of the cop, a feeler for engagement with said end members, drive means connecting one of said template and feeler to the lifting mechanism for effecting reversible relative movement between the feeler and template in one direction corresponding to the length of the cop, carriage means supporting the other of said template and feeler for reversible movement thereof in said one direction in response to interengagement of said feeler and one of said end members as brought about by rela tive movement therebetween caused by said drive means, resilient means biasing said carriage in said one direction toward an intermediate position, adjusting means for adjusting said feel
  • An apparatus for winding a cop on a bobbin comprising: a constant speed source of power, a flyer connected to said source of power, a bobbin, an infinitely variable transmission connecting said source of power to said bobbin, a lifting mechanism to reciprocate said bobbin and flyer relatively in the direction of the length of the bobbin, a reversing transmission connecting said variable transmission to the lifting mechanism, a template comprising spaced end members inclined to the same angle as the ends of the cop, a feeler for engagement with said end members, drive means connecting one of said template and feeler to the lifting mechanism for effecting reversible relative movement between the feeler and template in one direction corresponding to the length of the cop, carriage means supporting the other of said template and feeler for reversible movement thereof in said one direction in response to interengagement of said feeler and one of said end members as brought about by relative movement therebetween caused by said drive means, resilient means biasing said carriage in aid one direction toward an intermediate position, adjusting means for ad justing said feeler and template
  • An apparatus for winding a cop on a bobbin comprising: a constant speed source of power, a flyer connected to said source of power, a bobbin, an infinitely variable transmission connecting said source of power to said bobbin, a lifting mechanism to reciprocate said bobbin and flyer relatively in the direction of the length of the bobbin, a reversing transmission connecting said variable transmission to the lifting mechanism, a template comprising spaced end members inclined to the same angle as the ends of the cop, a feeler for engagement with said end members, drive means connecting one of said template and feeler to the lifting mechanism for effecting reversible relative movement between the feeler and template in one direction corresponding to the length of the cop, carriage means supporting the other of said template and feeler for reversible movement thereof in said one direction in response to interengagement of said feeler and one of said end members a brought about by relative movement therebetween caused by said drive means, resilient means biasing said carriage in said one direction toward an intermediate position, adjusting means for adjusting said feeler and template relatively in
  • An apparatus for winding a cop on a bobbin comprising: a constant speed source of power, a flyer connected to said source of power, a bobbin, an infinitely variable transmission connecting said source of power to said bobbin, a lifting mechanism to reciprocate said bobbin and flyer relatively in the direction of the length of the bobbin, a reversing transmission connecting said variable transmission to the lifting mechanism, a template comprising spaced end members inclined to the same angle as the ends of the cop, a feeler for engagement with said end members, drive means connecting one of said template and feeler to the lifting mechanism for effecting reversible relative movement between the feeler and template in one direction corresponding to the length of the cop, carriage means supporting the other of said template and feeler for reversible movement thereof in said one direction in response to interengagement of said feeler and one of said end members as brought about by relative movement therebetween caused by said drive means, resilient means biasing said carriage in said one direction toward an intermediate position, adjusting means for adjusting said feeler and template relatively in

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Winding Filamentary Materials (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
US382051A 1963-07-19 1964-07-13 Apparatus for controlling the cop formation on roving frames Expired - Lifetime US3302381A (en)

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DEZ0010239 1963-07-19

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US (1) US3302381A (de)
CH (1) CH422601A (de)
DE (1) DE1535035B2 (de)
GB (1) GB1077651A (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3397529A (en) * 1965-11-05 1968-08-20 Zinser Textilmaschinen Gmbh Rail speed control arrangement for textile machines
US3472013A (en) * 1967-09-25 1969-10-14 Roberts Co Roving frame
US3484050A (en) * 1966-10-06 1969-12-16 Scragg & Sons Packaging mechanisms for textile machines
US3695529A (en) * 1969-04-12 1972-10-03 Teijin Ltd Traverse device in package winding apparatus
US3946956A (en) * 1972-12-29 1976-03-30 F.Lli Marzoli & C. S.P.A. Control device for equipment for winding yarn into cops
US5560193A (en) * 1993-04-27 1996-10-01 Howa Machinery, Ltd. Method and device for winding a roving in a flyer frame

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2332988A (en) * 1935-04-08 1943-10-26 Reeves Pulley Co Control mechanism for variable speed mechanism
US2539267A (en) * 1944-01-04 1951-01-23 Maurer Sa Ing A Thread guide driving arrangement for artificial silk spinning machines
US2870597A (en) * 1957-05-09 1959-01-27 Saco Lowell Shops Roving frame builder mechanism

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2332988A (en) * 1935-04-08 1943-10-26 Reeves Pulley Co Control mechanism for variable speed mechanism
US2539267A (en) * 1944-01-04 1951-01-23 Maurer Sa Ing A Thread guide driving arrangement for artificial silk spinning machines
US2870597A (en) * 1957-05-09 1959-01-27 Saco Lowell Shops Roving frame builder mechanism

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3397529A (en) * 1965-11-05 1968-08-20 Zinser Textilmaschinen Gmbh Rail speed control arrangement for textile machines
US3484050A (en) * 1966-10-06 1969-12-16 Scragg & Sons Packaging mechanisms for textile machines
US3472013A (en) * 1967-09-25 1969-10-14 Roberts Co Roving frame
US3695529A (en) * 1969-04-12 1972-10-03 Teijin Ltd Traverse device in package winding apparatus
US3946956A (en) * 1972-12-29 1976-03-30 F.Lli Marzoli & C. S.P.A. Control device for equipment for winding yarn into cops
US5560193A (en) * 1993-04-27 1996-10-01 Howa Machinery, Ltd. Method and device for winding a roving in a flyer frame

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Publication number Publication date
CH422601A (de) 1966-10-15
GB1077651A (en) 1967-08-02
DE1535035A1 (de) 1969-08-14
DE1535035B2 (de) 1970-06-11

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