US3851448A - Yarn twisting apparatus - Google Patents

Yarn twisting apparatus Download PDF

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Publication number
US3851448A
US3851448A US00380211A US38021173A US3851448A US 3851448 A US3851448 A US 3851448A US 00380211 A US00380211 A US 00380211A US 38021173 A US38021173 A US 38021173A US 3851448 A US3851448 A US 3851448A
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Prior art keywords
ring
magnetic
ring holder
holder
yarn
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US00380211A
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English (en)
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T Sano
K Fukuda
A Ando
L Tameno
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Toray Industries Inc
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Toray Industries Inc
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H7/00—Spinning or twisting arrangements
    • D01H7/02—Spinning or twisting arrangements for imparting permanent twist
    • D01H7/52—Ring-and-traveller arrangements
    • D01H7/56—Ring-and-traveller arrangements with freely-rotatable rings; with braked or dragged rings ; Lubricating arrangements therefor
    • D01H7/565—Ring-and-traveller arrangements with freely-rotatable rings; with braked or dragged rings ; Lubricating arrangements therefor with fluid bearings

Definitions

  • the present invention relates to an improvement in a yarn twisting apparatus. More in particular, the present invention relates to a yarn twisting apparatus in which yarn is twisted by use of an annular ring supported while floating in space without coming into contact with any associated ring holder. The yarn is wound around a bobbin.
  • an object of the present invention is to provide a yarn twisting apparatus capable of supporting a ring in a floating condition without coming into Contact with the ring holder.
  • Another object of the present invention is to provide a yarntwisting apparatus capable of supporting a ring very stably in a floating condition without contact with the ring holder.
  • a further object of the present invention is to provide a yarn twisting apparatus supporting a ring in a floating condition by balancingthe forces of a compressed fluid and of magnetism.
  • a yarn twisting apparatus which is capable of supporting-a ring in a stable condition without causing contact with a ring holder by simultaneously applying forces of repulsion generated by a fluid jet, and attractive forces generated by magnetism, concurrently to said ring.
  • the apparatus according to this invention includes:
  • FIG. 1 is a set of two curves showing the relation between the gap between ring and ring holder to the load capacity (absolute volume), one curve for attractive magnetic force and the other for repulsion of air.
  • FIG. 2 is a drawing explaining Roters formula concerning the magnetic lines of force of magnets mutually attracting and transferring in a rectangular direction.
  • FIGS. 3(a) and (b) show one embodiment of the present invention.
  • FIG. 3(a) is a cross-sectional view of a ring and a ring holder.
  • FIG. 3(b) is a plan view of a part of the ring holder.
  • a section taken along the line X X in FIG. 3(b) is the left-hand half of FIG. 3(a), while a section taken along the line Y Y in FIG. 3(b) is the right-hand half of FIG. 3(a).
  • FIGS. 4(a) and (b) represent another embodiment of the present invention.
  • FIG. 4(a) is a cross-sectional view of a ring and a ring holder.
  • FIG. 4(b) is a plan view of part of the ring holder.
  • FIGS. 5(a) (d) show still another embodiment of the present invention.
  • FIG. 5(a) is a sketch showing the structure of a magnet.
  • FIG. 5(b) is a sectional view taken along the line X X in FIG. 5(d).
  • FIG. 5(c) is a view in section taken along the line Y Y in FIG. 5(d).
  • FIG. 5(d) is a plan view of the ring holder.
  • FIGS. 6(a) (0) show still another embodiment of the present invention.
  • FIG. 6(a) is a sketch showing the structure of a magnet.
  • FIG. 6(b) is a view in section taken along a line X X in FIG. 6(c) of a ring and a ring holder.
  • FIG. 6(0) is a plan view of the ring holder.
  • FIG. 7 shows still another embodiment of the present invention, being a cross-sectional view of a ring and a ring holder.
  • FIG. 8 is a schematic view showing combinations of dispositions of magnets used in the present invention.
  • FIG. 9 is a schematic view showing a preferred disposition of magnets used in the embodiments of FIG. 3 and FIG. 4.
  • FIGS. 10(a) (e) are sketches showing magnet constructions useful in the situation when the ring rotates.
  • FIG. 11 is a perspective view of a ring holder provided with a slit for guiding the yarn.
  • FIGS. 12 (a) and (b) are fragmentary perspective views showing annular electromagnets in the situation where a slit is provided on a ring holder.
  • FIG. 13 is a schematic view showing principles of stabilization of rings in FIG. 3, FIG. 4, FIG. 5 and FIG. 6, respectively.
  • FIG. 14' is a perspective view showing an embodiment having an annular permanent magnet and a plurality of steps in a magnetic pole.
  • FIG. 15 is a cross-sectional view of a ring and a ring holder when air is also propelled as a jet from the side wall of said holder.
  • FIG. 16 is a graph of pneumatic pressure spring constants, illustrating properties of the magnet of the present invention.
  • FIG. 17 shows still another embodiment of the present invention. being a cross-sectional view of a ring and a ring holder surrounding a yarn package.
  • FIG. 18 is a perspective view showing magnetic action in the embodiment shown in FIG. 17.
  • FIG. 19 is a schematic view illustrating the stability of the ring and the embodiment of FIG. 17.
  • FIGS. 20(a) (c) and FIGS. 21(a) and (b) are fragmentary views giving examples of the structures of electromagnets where a slit is provided on the ring holder;
  • FIGS. 20(a) and 21(a) are perspective views and
  • FIGS. 20(b), 20(c) and 21(b) are cross-sectional VIeWS.
  • FIG. 22 is a perspective view showing an example of the structures of ring and ring holder where the ring is stationary in the embodiment shown in FIG. 17.
  • FIG. 23 is a cross-sectional view showing still another example of the ring and ring holder structure.
  • FIG. 24 is a cross-sectional view showing an embodiment of the invention in which a hook is provided on the ring.
  • FIG. 25 is a cross-sectional view showing an embodiment in which another pneumatic nozzle is provided in the apparatus of FIG. 17.
  • the yarn twisting apparatus of the present invention embodies a yarn guide which surrounds the package upon which the yarn is being wound combined with a ring support which is maintained in spaced-apart relation to the yarn guide, so that the yarn guide is in a free floating condition as it reciprocates axially along the package.
  • the support includes an air chamber and ports for emitting a pressurized jet of fluid, such as compressed air for example. Also, a magnet is provided to apply an attractive magnetic force between the guide and the support to obtain noncontacting and stable support for the guide by combined repulsion and attraction.
  • a pressurized jet of fluid such as compressed air for example.
  • a magnet is provided to apply an attractive magnetic force between the guide and the support to obtain noncontacting and stable support for the guide by combined repulsion and attraction.
  • FIG. 1 is a graph showing the relation between (a) the repulsion created by a fluid jet used in the present invention and (b) the attractive magnetic force, in which the gap between the ring and the ring holder is plotted as the abscissa and the absolute value of load capacity is plotted as the ordinate.
  • the point of intersection of the two curves becomes a point of stability at which the resultant force is zero, because repulsion and attraction are opposed in direction.
  • FIG. 3 shows one embodiment of the present invention, in which a ring holder 2 has an inner ring-shaped air chamber 3.
  • the ring holder 2 also has an annular surface with an L-shaped cross-sectional area, and has a cylindrically shaped inner surface 4 and a disc-shaped base surface 5.
  • the ring 6 has an outer diameter which is slightly smaller than the inner diameter of ring holder 2, being maintained closely adjacent to, but spaced apart from ring holder 2.
  • the left half of FIG. 3(a) shows a section taken along the line X X in FIG. 3(b), while the right half of FIG. 3(a) shows a section taken along the line Y Y in FIG. 3(b).
  • Compressed air coming from one or more compressed air feed pipes 7 provided on the annular base 5 of the ring holder 2 passes through the air chamber 3 through nozzles 8, jetting out via a pressure chamber 9 to float the ring.
  • the pressure chamber 9 is desirably a channel about 1 mm deep, and temporarily holds the jetted air to form a pressurized layer, and is useful for obtaining a stabilized floating force.
  • Columnar permanent magnets I, 1' having the same cross-sectional areas are shown in this embodiment. They are disposed respectively at corresponding positions on the ring 6 and the ring holder 2 (both made of non-magnetic substances) and at a radius which is about the same as that of air nozzles 6. As is shown in FIG.
  • FIGS. 4(a) and (b) show another embodiment of the present invention.
  • magnet holders 15, 15' composed of a non-magnetic substance are provided.
  • Permanent magnets 1, 1' are disposed at corresponding positions of the ring and the ring holder along the circumference of the magnet holders at the same radius.
  • the magnet holders and the permanent magnets are fitted at a distance (b) measured in the direction of the floating gap (a).
  • the ring 6 and the ring holder 2 are composed of a magnetic substance, such substance does not obstruct the action of the magnets or the effective operation of the winder.
  • the magnets are fitted slightly recessed beneath the surfaces of the ring and the ring holder, which is an effective means for keeping the magnets out of the yarn path, facilitating floating of the ring when starting up, and in attaining the point of balance under the influence of air and magnetic forces.
  • the magnets are annularly shaped electromagnets.
  • apertures 18, 18' are provided on the outer walls of a ring 16 and a ring holder 17.
  • a magnetically attractive surface is provided in intermittent form around the circumference of each.
  • Apertures 18, 18' are filled with a non-magnetic substance in a manner not to obstruct the winding-of the yarn.
  • the upper surface 19 of the holder, the bottom surface 20 of the ring and the outermost wall 21 of the holder are each composed ofa nonmagnetic substance.
  • an annular direct current electromagnet having an intermittently attractive surface is formed.
  • the bot tom surface 20 of the ring receives repulsive pressure and the ring floats in an amount corresponding to the pressure; however, as shown by the two dot-dash lines in FIG. 5(a), on account of the magnetic field brought about by applying the electric current, in the same manner as with the aforesaid two embodiments, a downwardly directed attractive force is imposed upon the ring and it tends to sink slightly.
  • the position of the ring is limited by the balance between the magnetic force and the pneumatic force and defined in a radial direction by the attractive force of the magnet, moreover, because the magnetic attractive surface is provided intermittently, the motion in the circumferential direction is controlled. Therefore, the ring floats in a stable manner and is fixed in space without deviation or rotation.
  • the outermost wall of the holder 21 further improves the stability of the ring in the radial direction by utilizing the pressure of discharged air by providing a gap formed between said outermost wall and the ring.
  • magnets having mutual attractive forces are provided on the ring and/or the ring holder in a radial direction, because of which the ring does not rotate circumferentially.
  • FIGS. 6(a) (0) still other embodiments of the present invention are shown.
  • the outer walls of ring 16 and of ring holder 17 are made of magnetically attractive surfaces which are continuous in their circumferential directions. This is accomplished by providing an annular direct current electromagnetic system. The action regulating the motion circumferentially of the ring disappears, therefore, the ring is free to rotate.
  • the annular surface of the ring holder is generally L-shaped in cross-section, and ejects the fluid upwardly. At the same time, an attractive magnetic force is exerted axially of the ring holder. From the aforesaid principle of the present invention, it is also possible, as is shown in FIG. 7, to form the surface of the ring holder as a discshaped plane, and to support the ring with adequate stability.
  • FIG. 8 Various combinations used in the present invention are schematically shown in FIG. 8, wherein the side of the ring and the side of the ring holder may extend either up or down.
  • oblique line portions (c) represent magnets
  • dotted portions (d) represent non-magnetic substances
  • solid portions (e) represent magnetic substances.
  • the ring rotates.
  • the ring is stationary.
  • a magnet having a continuous or intermittent attractive surface in the circumferential direction used in the present invention can, as shown in the aforesaid embodiments, be formed by the use of a columnar or annular permanent magnet or electromagnet.
  • FIG. 9 A preferable dispostion of magnets when using permanent magnets, and without rotating the ring, is shown in FIG. 9. Specifically, when adjacent magnetic poles of permanent magnets 1, II are placed in mutually opposite positions, a magnetic substance 24 having the same radius as that at which the permanent magnets are disposed is provided on the upper surface of the permanent magnets on the ring side, and a similar magnetic substance 24 is provided on the bottom of the magnets on the holder side, a magnetic circuit as shown in the two dot-dash lines in FIG. 9 is formed. Because the resulting magnetic circuit becomes a closed loop, this is advantageous in that the efficiency of the permanent magnets increases and demagnetization decreases. This comment applies even when either one of these magnets 1, 1' is replaced by an electromagnetic substance.
  • FIGS. (a) (2) show simplified dispositions of magnets other than in free rotation of the ring.
  • the ring holder 2 is a ring having spaced-apart inner and outer upstanding annular flanges.
  • Columnar direct current electromagnets 25 are disposed at the same radius, and the polarities of the magnets are the same in an up and down direction.
  • the magnetically attractive surfaces of the inner wall and the outer wall of the ring holder have the same polarity (North as shown).
  • the ring member consists of two permanently magnetic annular flange rings 26, 26 corresponding in radial location to the attractive surfaces of the inner wall and the outer wall of the ring holder.
  • the ring is preferably so constituted as to make these two rings integral by a means of non-magnetic substance material 29.
  • FIG. 10(b) shows a case wherein, between the inner wall 2 and the outer wall 2" of the ring holder, in the radial direction of the ring holder leading to the center of the circle, a columnar direct current electromagnet 25 is disposed and the polarities of the magnet 25 are consolidated at the inner wall and the outer wall, and the inner wall and the outer wall of the holder have different polarities.
  • ring 6 is preferably made of a permanently magnetic material.
  • FIG. 10(c) shows a case wherein at the side of the ring holder, columnar direct current electromagnets 25 are disposed concentrically along the circumference of the ring holder at regular intervals.
  • Ring 6 is composed of a magnetic material whose inner and outer diameters are the same as the diameters of imaginary circles circumscribed around the inner and outer extremities of the magnets.
  • the shape of the attracting surface of the magnets may be circular, oval or rectangular.
  • the columnar electromagnets may be made columnar electromagnets.
  • FIG. 10(d) is an embodiment showing the idea of mounting annular permanent magnets 27, 27 which are magnetized as that magnetic pole turns to axial direction on a ring and a ring holder.
  • FIG. 10(e) is an embodiment wherein either one of the annular permanent magnets of FIG. 10(d) is replaced by a permanently magnetic substance 6 for purposes of simplification.
  • FIG. 11 shows a basic form of such situation.
  • a slit is provided on the ring holder 2 for passing the yarn, in an annular electromagnetic system, the direction of the coil must be changed at the slit, and the ring holder for forming the magnetic circuit is divided into two parts.
  • FIGS. 12(a) and (b) represent embodiments of such case of an annular electromagnetic system.
  • the ring is constituted by two permanently magnetic rings 26, 26' having different inner and outer diameters so as to correspond to each of the corresponding ring holders 2',
  • Ring 6 is supported in space by the effects of a compression synthetic spring constant due to the total pneumatic pressure kz, an elongation spring constant due to attractive magnetic force kx and a synthetic decrement constant due to decrement by the entire pressure of compressed air between the ring and the ring holder and decrement brought about by difference in relative speed of the side wall of the ring from discharged air C2 in an axial direction; a compression synthetic spring constant by static pressure of air film brought about between the side wall of the ring and the side wall of the ring holder kr, an elongation systhetic spring constant by the centripetal force in a radial direction kr brought about by attractive magnetic force in an axial direction F2 and a synthetic decrement constant due to decrement by static pressure of air film brought about between the side wall of the ring and the side wall of the ring holder and due to decrement brought about by difference in speed of air emitted to the bottom surface of the ring and air emitted radially of
  • the outer force working in an axial direction of a spindle is mainly periodic outer force Tz sin wt synchronized with the ballooning tension of the running filaments. Accordingly, the attractive force of the magnet is called Fz.
  • Fz the attractive force of the magnet
  • the value of Cz is not very large. However, its.value is certainly positive by reason of the pneumatic pressure aroundthe ring. It is possible-to satisfy the conditions of the inequality (7) easily by adjusting the speed of emission of pressurized air, intensity of magnetism, weight of the ring and the spacing of the gap between thering holder and the ring. The experimental results with reference to this are shown in the graph, FIG. 1.
  • FIG. 1'4 the embodiment of an annular magnet is simplified and shown.
  • T he magnetic attractive area 30 of ring holder ⁇ is provided in four steps in a radial direction and the ring is composed of four magnetic rings 26 having the same width as said attractive area, and non-magnetic rings 29 joining them together. It is seen from test runs that the force Fr is proportional to displacement r also.
  • BMIe dS/dr represents a spring constant in a radial direction caused by attractive force in an axial direction of the magnet Fz
  • Tr represents the ampl'tude of the periodic outer force in a radial direction brought about when the filaments to be treated slidably contact the outer periohery of the ring.
  • the common area S is:
  • the ring does not vacillate but is always stable.
  • the yarn twisting apparatus of the presand axial direction This is also proved theoretically as mentioned above. Accordingly, yarns can be conducted in the gap between the ring holder and the ring, and can carry out yarn twisting and winding in a stable manner without breakage of the twisted yarn.
  • the spring constant in the axial direction increases when using magnets as compared with not using magnets.
  • said constant does not change greatly.
  • said constant suddenly increases by elevation of the pneumatic pressure. This is considered because the amount of float of the ring decreases by the attractive effect of the magnets, the entire pneumatic pressure in the gap between the bottom surface of the ring and the annular base of the holder increases.
  • the methods of supporting the ring in the embodiments mentioned so far are of a thrust type, from the viewpoint of the shape of the bearing.
  • the basic principles of the present invention are applicable also to journal type bearings. Namely, when a ring is supported at a central portion of a ring holder by air and, at the same time, an attractive force due to magnetism is added in the opposite direction, the repulsion by fluid is balanced with the attractive force of magnetism in the radial direction of the ring. Therefore, a point of stability at which substantially no force is added to the ring is created. As a result, the stability in the radial direction of the ring is improved drastically.
  • FIG. 17 is an embodiment of such type, which is composed of a ring holder 2 having in its inside an air chamber 3 and a coil 22 for introducing a fluid, for example, pressurized air.
  • the ring holder 2 has an oblong crosssectional area.
  • a ring 6 made of magnetic material having an outer diameter slightly smaller thatn the inner diameter of said ring holder 2.
  • the ring holder's inner wall 31 is cylindrical.
  • air nozzles 8 are provided inside the ring holder.
  • the coil 22 is wound in the circumferential direction.
  • (e) is a magnetic material and (a') is a non-magnetic material.
  • the outer force mainly working on such system is periodic horizontal force Tr sin wt brought about by the slidably contacting rotation of filaments 10, in which Tr is the amplitude of divided force in the radial direction of the ring brought about by yarn tension, being the ballooning angle speed of the filaments.
  • z represents displacement of the ring from the point of balance of the weight of the ring and the magnetic force F2 in the axial direction
  • C22 is decrement (decreasing) force in the axial direction brought about by the frictional force due to jetting in the axial direction of the'fluid
  • M is synthetic magnetomotive force
  • B is a porportional constant
  • Tz is the amplitude of periodic outer force in the direction 2 brought about by the motion of the filaments treated.
  • the yarn twisting apparatus of this embodiment is also certain in its support, and stability in the radial and axial directions of the ring is very good. Therefore, it is possible to fix the ring in completely space. And, as shown in FIG. 17, it is possible to twist and wind up the yarn through the gap between the ring holder and the ring.
  • FIG. 20(a) (0) An example of winding a coil with a slit ring holder is shown in FIG. 20(a) (0).
  • An annular electromamgnet is formed in two steps and a coil 22 is folded back at the slit portion.
  • FIGS. 20(b) and (c) examples shown in FIGS. 20(b) and (c) are provided. However, the embodiment shown in FIG. 20(6) is better in stability in the axial direction of the ring.
  • the inner wall of the holder 32 and outer case'34 are composed of a non-magnetic substance.
  • annular electromagnet having a slit by the method shown in FIG. 21(a) and (b).
  • a plurality of columnar electromagne'ts 25 is arranged toward the axial direction of the ring holder between the outer walls 17, 17' of the holder at the same pitch, the polarities of the respective magnets are rendered uniform up anddown. Therefore, between the outer walls 17 and 17' of the holder, a magnetic field is formed which is continuous in the circumferential direction.
  • FIG. 22 Still another embodiment of the present invention is shown in FIG. 22.
  • winding tension lowers because the ring rotates as the yarn is wound, and the yarn can be wound up with high degree of twist.
  • the ring may be caused to stand still.
  • FIG. 22 when the magnetic attractive surface 30 in the circumferential direction of a holder is made discontinuous and the magnetic surface e of the corresponding ring is arranged diseontinuously at the same pitch, as will be apparent from the aforesaid Roters equation, the ring stands still and is supported in space.
  • the magnetic attractive direction is the axial direction or the radial direction of the ring holder only.
  • annular surface obliquely as shown in FIGS. 23(0) or (b), or to form the same as a curved surface, or to provide it in other shapes.
  • a hook When a hook is provided as such, it is preferable to provide at least two hooks at regular intervals in order to balance the ring. By so doing, it is possible to use an alternate hook after the working hook has become abraded by friction with the yarn. Actually, it is possible to change hooks in sequence or in alternation. When all the hooks on the ring are abraded, they may be replaced, together with the ring.
  • the hook changing operations in a commercial operation can be carried out at one place. Therefore, the labor required for changing the ring and the hooks can be shortened to 1/8 l/3 the labor required for changing the traveler and changing the ring when using a conventional traveler system.
  • the present invention when the radius of the ring becomes large and the weight of the ring increases, it is possible to provide supplemental air nozzles 8' and to support the thrust of the ring by compressed air, as shown in FIG. 25.
  • the inertia of the ring, resistance of air and ballooning tension function as a load, except for which no other force is effective.
  • the yarn twisting apparatus of the present invention it is possible to control the r.p.m. of the ring by adjusting the inclination of the nozzles (the angle at which air is projected), the pneumatic pressure, the electric current running in the coil, and the weight of the rotating ring. It is possible to decrease the relative speed of the yarn to that of the ring, thereby lowering the winding tension. Increases of the number of twists, and improvement of yarn quality follow.
  • lubricants are not needed in some parts, and the apparatus avoids staining or burning by the lubricant of the traveler, and damage due to burning and injuries to personnel as a result of the traveler breaking or flying off.
  • the present invention is not limited to the embodiments as shown above, but various other embodiments are possible by combining a method of forming an annular surface of a ring holder with disposition of magnets as shown in FIG. 8.
  • EXAMPLE 1 A yarn twisting apparatus, whose ring and ring holder have the shapes shown in FIG. 3, was used in winding a yarn around a bobbin.
  • the ring had an outer diaemter of 200 mm, an inner diameter of mm, a side wall height of 20 mm and a weight of 1.5 kg.
  • the ring holder has an outer wall inner diameter (in which the ring was inserted) of 200.7 mm, and the height of its outer wall of 20 mm.
  • the ring and the ring holder were made of brass, which is a non-magnetic substance.
  • 45 nozzles each having a diaemter of 0.7 mm were pro vided, through which air having an absolute pressure of 3 kg/cm was supplied.
  • a yarn was wound up around a bobbin at a yarn speed of 3,000 m/min., a spindle r.p.m. of 19,000 and a winding tension of 50 g.
  • the ring did not contact the ring holder nor did it rotate, but it was stably supported in a floating condition and wound the yarn up in a stable condition.
  • the wound yarn was twisted at a twist of 6.3 T/m.
  • EXAMPLE 2 A yarn twisting apparatus whose ring and ring holder had shapes shown in H6. 6 used in winding a yarn around a bobbin.
  • the ring had an outer diaemter of 133.0 mm and a height of 15 mm, and the ring holder had an outer wall inner diameter of 133.2 mm. The height of its outer wall was 15 mm.
  • Magnets constituting portions of the ring holder and parts to be attracted of the ring were made of steel and the rest of both the ring holder and the ring were made of brass. 32 nozzles, each having a diameter of 0.7 mm were provided on the ring holder,
  • EXAMPLE 3 The same ring and ring holder as used in Example 1 were used. However, the magnets were not provided, but the ring was supported by floating by air only.
  • yarn was wound around a bobbin at a yarn speed of 600 m/min and a spindle r.p.m.
  • EXAMPLE 4 The same ring and ring holder as used in Example 1 were used. However, the magnets were not provided, and 45 nozzles each having a diameter of 0.7 mm were newly provided on the side wall of the ring holder through which air having an absolute pressure of 3 kg/cm was'supplied.
  • a yarn twisting apparatus comprising, in combination:.
  • a spindle arranged to carry a bobbin for winding yarn
  • a ring holder also substantially surrounding said spindleand moving back and forth generally axially of said spindle, the ring holder including a fluid chamber, an annular surface for mounting said ring loosely, means for projecting compressed fluid through said annular surface from said fluid chamher, and
  • annular surface of said ring holder is composed of an inner surface having a circular side wall and an annular base which has a concave L-shaped cross-section.
  • annular surface of said ring holder is composed of a circular inside wall of said ring holder, and an attractive magnetic force between said ring and said ring holder is excited radially of said ring holder.
  • annular surface of said ring holder is composed of an annular upside plane of said ring holder, and an attractive magnetic force between said ring and said ring holder is excited axially of said ring holder.
  • annular surface of said ring holder is composed of an annular oblique upside plane.
  • said means for exciting magnetic force includes magnetic attractive surfaces provided on both sides of said ring and said ring holder.
  • said means for exciting magnetic force consists of a plurality of columnar permanent magnets, the magnetic poles of each magnet being arranged alternately in opposing directions, and wherein a surface of each magnet contacts a magnetic substance to bring forth a magnetic line of force in a closed loop from the opposite side magnet through the adjacent magnet.
  • said means for exciting magnetic force includes a magnetic attractive surface provided on either side of said ring or said ring holder, the other side being provided with a magnetic substance.
  • said means for exciting magnetic force consists of an annular electromagnet in which an electric current is sent along the circumferential direction in an annular holder of a magnetic substance in general U-formation in its cross-section and an opened portion of said annular electromagnet and said magnetic substance have the same width.
  • said support including means projecting fluid at said guide member in a manner to generate fluid forces tending to separate said guide member from said support, and
  • magnetic means operative and effective between said guid member and said support developing magnetic attractive forces opposing said fluid forces.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
US00380211A 1972-08-19 1973-07-18 Yarn twisting apparatus Expired - Lifetime US3851448A (en)

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BR (1) BR7306134D0 (en])
CH (1) CH572534A5 (en])
DE (1) DE2341609C3 (en])
FR (1) FR2196405B1 (en])
GB (1) GB1414536A (en])
IT (1) IT994614B (en])

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4023342A (en) * 1975-05-16 1977-05-17 Erwin Schenkel Ring spinning or twisting process
US4028873A (en) * 1975-08-29 1977-06-14 Zinser Textilmaschinen Gmbh Ring spinning or twisting machine
US4104857A (en) * 1976-06-03 1978-08-08 Fratelli Marzoli & C. S.P.A. Spinning and twisting device
US4266397A (en) * 1975-10-03 1981-05-12 Zinser Textilmaschinen Method and apparatus for restarting individual winding units of a ring spinning or twisting frame
US4270340A (en) * 1979-01-19 1981-06-02 Spin-O-Magic, Inc. Rotating ring yarn spinning or twisting apparatus and method
US4676178A (en) * 1985-01-30 1987-06-30 Tokuzo Hirose Rotary looptaker and bobbin case with magnetic repulsive force therebetween
US4779409A (en) * 1985-12-10 1988-10-25 Cerit S.P.A. Method and system for spinning with a rotary balloon-checking device
US5009063A (en) * 1988-11-08 1991-04-23 Hiroshi Yamaguchi Rotary ring spinning device provided with a ring motor
US5010722A (en) * 1988-09-05 1991-04-30 Hiroshi Yamaguchi Rotary ring winding device
US5109659A (en) * 1990-06-01 1992-05-05 Tns Mills, Inc. Magnetic ring for the spinning of textile yarn and method
US5385007A (en) * 1992-03-13 1995-01-31 W. Schlafhorst Ag & Co. Pot-spinning device having magnetic bearing providing radial and axial support
US5590515A (en) * 1993-06-30 1997-01-07 Forschungszenlrum Julich GmbH Spinning apparatus and control arrangement therefor
US5740666A (en) * 1989-08-03 1998-04-21 Yamaguchi; Hiroshi Method and system for controlling the rotational speed of a rotary ring member
US20060022538A1 (en) * 2002-09-23 2006-02-02 Faissal Abdel-Hady Ring-spinning system for making yarn having a magnetically-elevated ring
US20060065175A1 (en) * 2004-09-28 2006-03-30 Brother Kogyo Kabushiki Kaisha Horizontal rotary hook for sewing machine
EP2009153A1 (de) * 2007-06-25 2008-12-31 Deutsche Institute Für Textil- Und Faserforschung Stuttgart Vorrichtung und Fadenführungsring für eine Ringspinn- oder Zwirnmaschine
WO2019224417A1 (es) * 2018-05-23 2019-11-28 Twistperfect, S.L. Máquina de torcer o hilar de mas de un balon
US10767285B2 (en) * 2016-04-14 2020-09-08 Sanko Tekstil Isletmeleri San.Ve Tic.A.S. Baspinar Subsei Spooling and twisting device of a ring-spinning or ring-twisting machine, and ring-spinning and ring-twisting method
US20220235494A1 (en) * 2021-01-22 2022-07-28 Saurer Spinning Solutions Gmbh & Co. Kg Spinning device having a floating spinning ring and balloon limiter tube
US20220364276A1 (en) * 2021-05-15 2022-11-17 Sanko Tekstil Isletmeleri San. Tic. A.S. Device and method for winding and twisting fibre material in ring spinning or ring twisting frames
US20230079829A1 (en) * 2020-02-20 2023-03-16 Sanko Tekstil Isletmeleri Sanayi Ve Ticaret Anonim Sirketi Winding and twisting device for a ring spinning or ring twisting machine
US20240035206A1 (en) * 2020-12-21 2024-02-01 Bräcker Ag Ring for a ring-spinning or ring-twisting machine

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JPS5439510B2 (en]) * 1973-08-08 1979-11-28
JPS5324446A (en) * 1976-08-11 1978-03-07 Kawasaki Nenshi Kk Double twister
FR2462495A1 (fr) * 1979-08-03 1981-02-13 Alsacienne Constr Meca Anneau tournant pour continu a filer, monte sur palier butee pneumatique a alimentation en air comprime

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US2932152A (en) * 1958-05-28 1960-04-12 Chemstrand Corp Textile twisting apparatus
US3122876A (en) * 1961-02-16 1964-03-03 Nippon Keori Kabushiki Kaisha Magnetic spinning ring
US3324643A (en) * 1964-10-13 1967-06-13 Kluttz Machine & Foundry Co Airborne spinning or twisting ring and traveler
US3494120A (en) * 1968-01-02 1970-02-10 Maremont Corp Rotating ring spinning or twisting frame

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US2796726A (en) * 1951-04-12 1957-06-25 Deering Milliken Res Corp Yarn balloon controller or generator
US2932152A (en) * 1958-05-28 1960-04-12 Chemstrand Corp Textile twisting apparatus
US3122876A (en) * 1961-02-16 1964-03-03 Nippon Keori Kabushiki Kaisha Magnetic spinning ring
US3324643A (en) * 1964-10-13 1967-06-13 Kluttz Machine & Foundry Co Airborne spinning or twisting ring and traveler
US3494120A (en) * 1968-01-02 1970-02-10 Maremont Corp Rotating ring spinning or twisting frame

Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4023342A (en) * 1975-05-16 1977-05-17 Erwin Schenkel Ring spinning or twisting process
US4028873A (en) * 1975-08-29 1977-06-14 Zinser Textilmaschinen Gmbh Ring spinning or twisting machine
US4266397A (en) * 1975-10-03 1981-05-12 Zinser Textilmaschinen Method and apparatus for restarting individual winding units of a ring spinning or twisting frame
US4104857A (en) * 1976-06-03 1978-08-08 Fratelli Marzoli & C. S.P.A. Spinning and twisting device
US4270340A (en) * 1979-01-19 1981-06-02 Spin-O-Magic, Inc. Rotating ring yarn spinning or twisting apparatus and method
US4676178A (en) * 1985-01-30 1987-06-30 Tokuzo Hirose Rotary looptaker and bobbin case with magnetic repulsive force therebetween
US4779409A (en) * 1985-12-10 1988-10-25 Cerit S.P.A. Method and system for spinning with a rotary balloon-checking device
US5010722A (en) * 1988-09-05 1991-04-30 Hiroshi Yamaguchi Rotary ring winding device
US5009063A (en) * 1988-11-08 1991-04-23 Hiroshi Yamaguchi Rotary ring spinning device provided with a ring motor
US5740666A (en) * 1989-08-03 1998-04-21 Yamaguchi; Hiroshi Method and system for controlling the rotational speed of a rotary ring member
US5109659A (en) * 1990-06-01 1992-05-05 Tns Mills, Inc. Magnetic ring for the spinning of textile yarn and method
US5385007A (en) * 1992-03-13 1995-01-31 W. Schlafhorst Ag & Co. Pot-spinning device having magnetic bearing providing radial and axial support
US5590515A (en) * 1993-06-30 1997-01-07 Forschungszenlrum Julich GmbH Spinning apparatus and control arrangement therefor
US7205692B2 (en) 2002-09-23 2007-04-17 Auburn University Ring-spinning system for making yarn having a magnetically-elevated ring
US20060022538A1 (en) * 2002-09-23 2006-02-02 Faissal Abdel-Hady Ring-spinning system for making yarn having a magnetically-elevated ring
US7171914B2 (en) * 2004-09-28 2007-02-06 Brother Kogyo Kabushiki Kaisha Horizontal rotary hook for sewing machine
US20060065175A1 (en) * 2004-09-28 2006-03-30 Brother Kogyo Kabushiki Kaisha Horizontal rotary hook for sewing machine
EP2009153A1 (de) * 2007-06-25 2008-12-31 Deutsche Institute Für Textil- Und Faserforschung Stuttgart Vorrichtung und Fadenführungsring für eine Ringspinn- oder Zwirnmaschine
EP3231904B1 (de) 2016-04-14 2021-09-08 Sanko Tekstil Isletmeleri San.ve Tic.A.S. Baspinar Subesi Aufspul- und dralleinrichtung einer ringspinn- oder ringzwirnmaschine sowie ringspinn- und ringzwirnverfahren
US10767285B2 (en) * 2016-04-14 2020-09-08 Sanko Tekstil Isletmeleri San.Ve Tic.A.S. Baspinar Subsei Spooling and twisting device of a ring-spinning or ring-twisting machine, and ring-spinning and ring-twisting method
US11639563B2 (en) 2016-04-14 2023-05-02 Sanko Tekstil Isletmeleri San.Ve Tic.A.S. Baspinar Subesi Winding and twisting device of a ring spinning or ring twisting machine as well as ring spinning and ring twisting method
CN114134600A (zh) * 2016-04-14 2022-03-04 亚西省约兹加特尚科纺织企业工业及贸易公司 环锭纺纱机或环锭加捻机的卷绕和加捻装置以及环锭纺纱和环锭加捻方法
WO2019224417A1 (es) * 2018-05-23 2019-11-28 Twistperfect, S.L. Máquina de torcer o hilar de mas de un balon
EP3812492A4 (en) * 2018-05-23 2021-07-21 Twistperfect, S.L. SPINNING OR SPINNING MACHINE OF MORE THAN ONE BALL
CN112469853A (zh) * 2018-05-23 2021-03-09 特威斯特普非特公司 具有超过一个气圈的捻线机或纺纱机
US20230079829A1 (en) * 2020-02-20 2023-03-16 Sanko Tekstil Isletmeleri Sanayi Ve Ticaret Anonim Sirketi Winding and twisting device for a ring spinning or ring twisting machine
US12060660B2 (en) * 2020-02-20 2024-08-13 Sanko Tekstil Isletmeleri Sanayi Ve Ticaret Anonim Sirketi Winding and twisting device for a ring spinning or ring twisting machine
US20240035206A1 (en) * 2020-12-21 2024-02-01 Bräcker Ag Ring for a ring-spinning or ring-twisting machine
US12312713B2 (en) * 2020-12-21 2025-05-27 Bräcker Ag Ring for a ring-spinning or ring-twisting machine
US20220235494A1 (en) * 2021-01-22 2022-07-28 Saurer Spinning Solutions Gmbh & Co. Kg Spinning device having a floating spinning ring and balloon limiter tube
US11753749B2 (en) * 2021-01-22 2023-09-12 Saurer Spinning Solutions Gmbh & Co. Kg Spinning device having a floating spinning ring and balloon limiter tube
US20220364276A1 (en) * 2021-05-15 2022-11-17 Sanko Tekstil Isletmeleri San. Tic. A.S. Device and method for winding and twisting fibre material in ring spinning or ring twisting frames
US11795585B2 (en) * 2021-05-15 2023-10-24 Sanko Tekstil Isletmeleri San. Tic. A.S. Device and method for winding and twisting fiber material in ring spinning or ring twisting frames

Also Published As

Publication number Publication date
DE2341609C3 (de) 1981-01-22
IT994614B (it) 1975-10-20
DE2341609B2 (de) 1980-05-08
CH572534A5 (en]) 1976-02-13
FR2196405B1 (en]) 1976-05-07
JPS4936935A (en]) 1974-04-05
BR7306134D0 (pt) 1974-07-25
DE2341609A1 (de) 1974-03-07
GB1414536A (en) 1975-11-19
FR2196405A1 (en]) 1974-03-15
JPS5343215B2 (en]) 1978-11-17

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