US20220153549A1 - Adjustable filamentary material guide - Google Patents

Adjustable filamentary material guide Download PDF

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Publication number
US20220153549A1
US20220153549A1 US17/438,720 US202017438720A US2022153549A1 US 20220153549 A1 US20220153549 A1 US 20220153549A1 US 202017438720 A US202017438720 A US 202017438720A US 2022153549 A1 US2022153549 A1 US 2022153549A1
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US
United States
Prior art keywords
filamentary material
adjustable guides
adjustable
guides
guide
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.)
Pending
Application number
US17/438,720
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English (en)
Inventor
Luis IZAGUIRRE
Thomas Briggs
Dave Gamble
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.)
Reelex Packaging Solutions Inc
Original Assignee
Reelex Packaging Solutions Inc
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
Application filed by Reelex Packaging Solutions Inc filed Critical Reelex Packaging Solutions Inc
Priority to US17/438,720 priority Critical patent/US20220153549A1/en
Assigned to REELEX PACKAGING SOLUTIONS, INC. reassignment REELEX PACKAGING SOLUTIONS, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: Gamble, Dave, BRIGGS, THOMAS, Izaguirre, Luis
Publication of US20220153549A1 publication Critical patent/US20220153549A1/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/006—Traversing guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/14—Pulleys, rollers, or rotary bars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/26—Supports for guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/36—Wires

Definitions

  • the present disclosure relates apparatus used in winding coils of filamentary material. More particularly, this disclosure relates to filamentary material guides for guiding filamentary material as it is being wound into a coil of filamentary material.
  • U.S. Pat. No. 9,731,931 describes a REELEX-type winding system 100 shown in FIG. 1 .
  • the system 100 directs filamentary material 110 (e.g., wire) to a traverse 164 , shown in greater detail in FIG. 2 , which shows a perspective view of the traverse 164 and a mandrel 170 of a take-up unit 116 of system 100 .
  • the traverse moves back and forth above the surface of the mandrel 170 as the mandrel 170 is spinning on the spindle 166 , thereby causing wire 110 to be directed onto the mandrel 170 .
  • the function of the entire system 100 is to cause wire 110 to be wound in a figure-eight pattern in a manner forming a payout hole extending radially out from the mandrel 170 .
  • the controller 118 is coupled to the take-up system 116 and can provide speed control information to direct the take-up system 116 to run at a desired rate. For example, the controller 118 may direct the take-up system 116 to cause the spindle 166 to run at a constant speed, or may cause the take-up system 116 to have the line speed be constant, thereby requiring the spindle speed to slow down over a period of time.
  • the traverse 164 is formed as a cantilevered beam 164 a having a longitudinal slot (not shown) through which a guide tube 164 b extends.
  • Guide tube 164 b terminates in a wire guide 164 c which is located closest to the mandrel 170 .
  • the wire 110 is threaded through the guide tube 164 b and exits the wire guide 164 c.
  • the guide tube 164 b travels in (i.e., reciprocates in) the longitudinal slot of the beam 164 a at desired speeds and along desired distances as controlled by the take-up system 116 as optionally informed by the controller 118 in order to form the figure-eight pattern in a manner forming a payout hole.
  • an end of the wire 110 is captured by the mandrel 170 , and the mandrel is spun by the spindle 166 as the traverse 164 reciprocates and guides the wire onto the mandrel in a figure-eight pattern with a payout hole.
  • an adjustable filamentary guide apparatus i.e., a wire guide
  • a wire guide is described herein that can limit the relative lateral movement between the apparatus and the filamentary material being dispensed from the apparatus.
  • a user can adjust the size of the guide opening to closely match the size (e.g., diameter) of the filamentary material being wound to reduce the amount of relative lateral movement of the filamentary being dispensed from the guide apparatus.
  • the inlet opening axially aligns in a vertical direction with the guide opening.
  • the adjustable guides are configured to simultaneously move toward or away from one another by operation of the adjuster.
  • the adjustable guides include rollers.
  • the adjustable guides extend along parallel axes that lie in a horizontal plane that is perpendicular to a vertical path for filamentary material that extends axially between the inlet opening and the guide opening.
  • the adjuster includes a threaded adjuster screw extending through aligned threaded bores formed in the adjustable guides.
  • the threaded adjuster screw extends along a screw axis and the adjustable guides are configured to translate (e.g., simultaneously) either toward or away from one another along the screw axis depending on a direction of rotation of the screw about the screw axis.
  • the adjustable guide apparatus further includes non-adjustable guides that are coupled to the housing in fixed spaced relation to one another and that extend along respective axes that are perpendicular to the axes of the adjustable guides.
  • the adjuster guides are disposed vertically between the non-adjustable guides and the collar of the housing.
  • the collar is configured for coupling to a reciprocating traverse that is operable to reciprocate the adjustable guide apparatus as filamentary material is drawn through the guide opening onto a mandrel of a winding machine.
  • the adjustable guide apparatus further includes an adjustment ring having a neck threadably coupled to the collar of the housing.
  • the neck has an annular bearing surface on a bottom side of the neck.
  • the adjuster includes a pair of opposed arms pivotally coupled to the housing at an intermediate location along the length of each arm.
  • Each arm has an upper portion and a lower portion.
  • the upper portion extends from the intermediate location to a cam surface configured to bear against the annular bearing surface of the neck.
  • the lower portion is pivotally coupled to one of the adjustable guides. Threading the adjustment ring relative to the collar adjusts the position of the cam surfaces along the annular bearing surface, and, thus adjusts the angular position of the lower portion about the intermediate position, which in turn, adjusts the relative spacing between the adjustable guides for passage of the filamentary material therebetween.
  • the adjustable guide apparatus further includes biasing members.
  • Each biasing member is coupled between the housing and respective lower portion.
  • the biasing members are configured to urge the opposed arms and the adjustable guides in a direction towards one another.
  • the biasing members may be springs.
  • interference between the cam surfaces and the annular bearing surface inhibit movement of the adjustable guides towards each other.
  • FIG. 1 is a prior art schematic of an embodiment of a REELEX-type winding system.
  • FIG. 2 is a prior art perspective view of the traverse and mandrel of FIG. 1 .
  • FIG. 3 is a bottom view of an adjustable guide apparatus in accordance with an aspect of the disclosure.
  • FIGS. 4 and 5 are assembly views of the apparatus of FIG. 3 .
  • FIG. 6 is a bottom view of the apparatus of FIG. 3 shown in a first, fully open position and shown with a wire between rollers of the apparatus.
  • FIG. 7 is a bottom view of the apparatus of FIG. 3 shown in a second, closed position with two rollers of the apparatus in contact with a wire between the rollers.
  • FIG. 8 is a bottom view of the apparatus of FIG. 3 shown in a third, operating position with only one roller of apparatus in contact with a wire between the rollers.
  • FIGS. 9A and 9B are perspective views of another embodiment of an adjustable guide apparatus viewed from a bottom and sides thereof.
  • FIG. 9C shows a top view of the adjustable guide apparatus of FIGS. 9A and 9B .
  • FIGS. 10A, 10B, and 10C are, respectively, elevation views of the left side, front side, and right side of the guide apparatus of FIGS. 9A and 9B .
  • FIG. 11 is an assembly view of the guide apparatus of FIGS. 9A and 9B .
  • FIG. 12 shows the adjustable guide apparatus of FIGS. 9A and 9B along section FIG. 12 - FIG. 12 in FIG. 9C .
  • FIGS. 3 to 5 show aspects of an embodiment of an adjustable guide apparatus 200 that can be used in place of guide 164 c of prior art FIG. 2 .
  • the wire guide includes a housing 202 , a pair of adjustable rollers 204 , a threaded adjustment screw 206 for adjusting the relative spacing between the rollers 204 along the screw 206 , an adjustment roller track 208 for supporting and guiding the adjustable rollers 204 , and a pair of guides 210 .
  • the rollers 204 extend along respective axes A-A and B-B ( FIG. 4 ) and are axisymmetric. Specifically, the rollers 204 have a generally symmetrical concave profile along their respective axes A-A and B-B.
  • the opposed concave profiles of the rollers defines an opening 201 between the rollers 204 through which filamentary material is received from an opening 203 in the housing (in communication with the guide tube 164 b ).
  • the opening 201 may be centered with the opening 203 along a central longitudinal axis G-G ( FIG. 5 ) extending through the apparatus 200 .
  • the width of the opening 201 is adjustable to account for different thickness (e.g., diameters) of filamentary material.
  • the wire guide 200 includes an arrangement that is configured to adjust the relative spacing between the rollers 204 to adjust the size of the opening 201 .
  • the guides 210 have a fixed spacing between them.
  • the guides 210 are configured to further guide filamentary material passing from the opening 201 towards the mandrel 170 .
  • the rollers 204 , the screw 206 , the track 208 , and the guides 210 are coupled to the housing 202 .
  • the screw 206 is coupled to the housing 202 at holes 202 c formed in the housing 200 .
  • the screw 206 and the track 208 extend along respective parallel axes C-C and D-D.
  • the track 208 has ends 208 a ( FIG. 5 ) that fixedly couple to the housing 202 at holes 202 b formed in the housing 200 .
  • the guides 210 have ends 210 a ( FIG. 5 ) that fixedly couple to the housing 202 at holes 202 a formed in the housing 200 .
  • Each guide 210 may have a roller 210 b between the ends 210 a that is configured to rotate about a respective longitudinal axis E-E and F-F ( FIG. 5 ), although this is not a requirement.
  • rollers 204 are free to rotate about respective axes A-A and B-B, which are which are transverse to axes C-C, D-D, E-E, and F-F.
  • Each roller 204 has a central elongated shaft 204 a ( FIG. 5 ) having a first through bore 204 b ( FIG. 4 ) at a first end for coupling to the track 208 and has a second through bore 204 c ( FIG. 4 ) at a second, opposite end for coupling to the screw 206 .
  • the first through bore 204 b of each roller 204 is aligned with axis D-D so that track 208 extends through through bores 204 b of both shafts 204 a.
  • the first through bore 204 b is configured for relative sliding movement with the track 208 .
  • the second through bore 204 c is female threaded and is aligned with axis C-C for mating with male threads of the screw 206 .
  • the screw 206 threads with and extends through the through bores 204 c of both shafts 204 a.
  • the screw 206 is configured as an adjuster screw with at least one head 206 a and left hand threads 206 b on one half (e.g., left half in FIG. 4 ) of the screw and right hand threads 206 c on the other half (e.g., right half in FIG. 4 ) of the screw 206 . Due to the thread configuration of the screw 206 , a rotation of the head 206 a of the screw 206 in one rotational direction about screw axis C-C will cause both of the rollers 204 to either simultaneously move toward or away from one another along screw 206 and track 208 .
  • a user can adjust the width of opening 201 between the rollers 204 by rotating the head 206 a of the screw 206 about its axis C-C either clockwise or counter-clockwise.
  • a user can set a specific spacing between the rollers 204 that more closely matches the diameter of the filamentary material passing through the apparatus 200 , which can result in a coil that is more well-formed as compared to an a spacing of the rollers 204 that does not closely match the diameter of the filamentary material.
  • two screws having opposite pitch threads may be used instead of a single adjuster screw 206 .
  • the apparatus 200 is adjustable and can be set by a user for filamentary material of different thicknesses (i.e., diameter).
  • FIGS. 6 to 8 show various steps of a workflow of adjusting the apparatus 200 for a filamentary material of a specific thickness. If the rollers 204 are close together, a user turns the head 206 a of the adjustment screw 206 in a first rotational direction to spread the rollers 204 sufficiently apart as shown in FIG. 6 to permit a filament 250 to easily enter the opening 201 .
  • a user can use any tool made for the screw head 206 a, such as, for example, an Allen wrench or flat head screwdriver. In the position of rollers 204 shown in FIG.
  • the opening 201 is wide enough so that the filament 250 can fit in opening 201 without touching either roller 204 .
  • a user rotates the head 206 a of the screw 206 in a second rotational direction, opposite the first direction, to close the rollers 204 so that both rollers 204 contact (e.g., gently squeeze) the filament 250 in the opening 201 , as shown in FIG. 7 .
  • a user rotates the head 206 a of the screw back in the first rotational direction (e.g., one or two rotations) to back the rollers 204 off the filament 250 and widen the opening 201 so that the filament 250 contacts only one or the other of the rollers 204 , but does not contact both rollers 204 , as shown in FIG. 8 .
  • FIGS. 9A to 12 show aspects of another embodiment of an adjustable guide apparatus 300 .
  • the guide apparatus 300 has a housing 302 with a collar 302 a that defines an opening 303 ( FIGS. 9C, 12 ), which is configured to communicates with the guide tube 164 b.
  • the housing 302 houses an arrangement of adjustable guides 304 and guides 310 that define an opening 301 ( FIGS. 9C, 10B, 12 ) through which filamentary material is guided between the guide tube 164 b and the mandrel 170 .
  • the opening 301 aligns with the opening 303 along central longitudinal axis H-H ( FIG. 12 ) that extends through the center of the guide apparatus 300 .
  • the adjustable guides 304 and guides 310 may be roller guides that extend along respective longitudinal axes.
  • the longitudinal axes of guides 304 and 310 may be perpendicular to one another, as shown in FIGS. 9A and 9B .
  • the guides 310 are supported by plates 330 that are connected to the left and right sides of the housing 302 .
  • each guide 310 may have a shaft 310 a surrounded by a roller 310 b that can rotate about the shaft 310 a.
  • the ends of the shaft 310 a are configured to be received in holes 330 a formed in the plates 330 .
  • the guides 310 may be disposed by the plates 330 below the rollers 304 , as shown most clearly in FIG. 10B .
  • the guide apparatus 300 also includes an adjustment ring 320 that couples to the rim 302 a of the housing 302 .
  • the ring 320 has a neck 322 having male threads 322 a that are configured to mate with female threads on the inside surface of the collar 302 a of the housing 302 .
  • the adjustment ring 320 is coaxial with the housing 302 along axis H-H.
  • the adjustment ring 320 defines an internal open bore 305 ( FIG. 12 ) in communication with the collar 302 a.
  • the neck 322 extends downward to an annular bearing surface 322 b or rim on the bottom side of the neck 322 .
  • the annular bearing surface 322 b is configured to bear against cam surfaces 324 c of arms 324 .
  • Each arm 324 defines a hole 324 d ( FIGS. 11 and 12 ) that receives a pin 326 that pivotally couples the arm 324 to the housing 302 .
  • the hole 324 d is at an intermediate location between an upper and a lower end of the arm 324 .
  • Each arm 324 has an upper portion 324 a between the hole 324 d and the cam surface 324 c, and a lower portion 324 b between the hole 324 d and the roller 304 .
  • the upper and lower portion 324 a and 324 b do not extend parallel to each other. Instead, in the embodiment shown in FIG. 12 , the upper portion 324 b is angled inwardly toward central axis H-H.
  • the interference between the cam surfaces 324 c and the annular bearing surface 322 b sets a certain spacing between the opening 301 between the rollers 304 .
  • the interference prevents the opening 301 from decreasing.
  • the set initial size of the opening 301 can be considered a minimum size of the opening 301 .
  • the interference between cam surfaces 324 c and annular bearing surface 322 b does not prevent the arms 324 from rotating about the intermediate position 326 to enlarge the opening 301 between the rollers 304 beyond the initially set minimum size.
  • This enlargement of the opening 301 between the rollers 304 may be useful in situations where a certain enlarged portion (e.g., a kink, or a splice between cables) of filamentary material that exceeds the initial set minimum size of the opening 301 is directed into the opening 301 .
  • a certain enlarged portion e.g., a kink, or a splice between cables
  • the enlarged portion of the filamentary material as it passes the rollers 304 , will urge the lower portions 324 b of the arms 324 radially outward to spread the rollers slightly further apart to permit the enlarged portion to pass, thereby avoiding crushing the enlarged portion and possibly damaging the filamentary material, or causing the filament to break.
  • the lower portions 324 b may be biased by biasing members (e.g., springs) 328 that extend between the lower portions 324 b of arms 324 and the housing 302 .
  • Each arm 324 may have a retainer 324 e ( FIG. 11 ) for retaining an end of a biasing member 328 in engagement with the arm 324 .
  • the biasing members 328 are configured to urge the lower portions 324 b of the arms 324 radially inwardly toward axis H-H so that, in the example given above, if the rollers 304 temporarily spread apart to permit an enlarged portion to pass, the biasing members 328 will restore the arms 324 back towards their initial set position corresponding to the set minimum opening size of opening 301 .
  • the biasing members 328 permit some amount of temporary self-adjustment of the rollers 304 even after an initial minimum opening 301 size is set.
  • the apparatus 300 is adjustable and can be set by a user for filamentary material of different thicknesses (i.e., diameter).
  • a user can thread (rotate) the ring 320 fully or substantially into collar 302 a (e.g., clockwise) in order to spread rollers 304 substantially apart to set the opening 301 to a large or even maximum size.
  • a user can then feed a filament (e.g., wire) through the bore 305 of the ring 320 , through the opening 303 , and through the opening 301 .
  • a user can thread (rotate) the ring 320 out of collar 302 a (e.g., counterclockwise) to permit the lower portions 324 b of the arms 324 to rotate toward axis H-H due to the force on the arms 324 from springs 328 .
  • This will move the rollers 304 toward the central axis H-H and into contact with the filamentary material, lightly squeezing the material.
  • the user can thread (rotate) the ring 320 into the collar 302 a (e.g., clockwise) again until the opening 301 is large enough for the filamentary material to contact only one or the other of the rollers 304 , but does not contact both rollers 304 .

Landscapes

  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
US17/438,720 2019-03-14 2020-03-05 Adjustable filamentary material guide Pending US20220153549A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US17/438,720 US20220153549A1 (en) 2019-03-14 2020-03-05 Adjustable filamentary material guide

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962818413P 2019-03-14 2019-03-14
PCT/US2020/021135 WO2020185498A1 (en) 2019-03-14 2020-03-05 Adjustable filamentary material guide
US17/438,720 US20220153549A1 (en) 2019-03-14 2020-03-05 Adjustable filamentary material guide

Publications (1)

Publication Number Publication Date
US20220153549A1 true US20220153549A1 (en) 2022-05-19

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US17/438,720 Pending US20220153549A1 (en) 2019-03-14 2020-03-05 Adjustable filamentary material guide

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US (1) US20220153549A1 (zh)
JP (1) JP2022525346A (zh)
BR (1) BR112021017942A2 (zh)
TW (1) TW202039348A (zh)
WO (1) WO2020185498A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114955720A (zh) * 2022-06-09 2022-08-30 南通大学 一种具有润滑紧致效果的纺织用导线器

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113830615B (zh) * 2021-07-29 2023-11-17 武汉船用机械有限责任公司 排缆装置

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US2519461A (en) * 1947-02-08 1950-08-22 Western Electric Co Strand distributing apparatus
US2660382A (en) * 1948-04-02 1953-11-24 Wilson John Hart Level winding device
US2738161A (en) * 1954-04-05 1956-03-13 Otis H Chupp Wire line guide and stabilizer
US2976749A (en) * 1956-11-12 1961-03-28 Moeller & Neumann Gmbh Roller guide for rolling mills
US3312421A (en) * 1965-06-07 1967-04-04 Northern Electric Co Delayed return distributor
US4143834A (en) * 1976-02-25 1979-03-13 The Furukawa Electric Co., Ltd. Wire forcing device for a wire take up apparatus
US4179083A (en) * 1976-02-25 1979-12-18 The Furukawa Electric Co., Ltd. Wire forcing device for a wire take up apparatus
US4592521A (en) * 1983-11-22 1986-06-03 Oy Nokia Ab Device for guiding a cable onto a reel
US4700875A (en) * 1984-09-13 1987-10-20 Mario Fabris Roller entry guide
US5937689A (en) * 1997-11-10 1999-08-17 Fabris; Mario Triple roller entry guide
US9132459B2 (en) * 2008-12-22 2015-09-15 Danieli & C. Officine Meccaniche Spa Adjustment device for guide rollers and relative adjustment method
US20200047229A1 (en) * 2017-05-04 2020-02-13 Danieli & C. Officine Meccaniche Spa Apparatus and method to guide metal products

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DE1710077A1 (de) * 1968-02-07 1971-03-11 Hirschburger Kg Eugen Spulmaschine mit hin- und herbewegtem Fadenfuehrer
US3621190A (en) * 1968-11-26 1971-11-16 Furukawa Electric Co Ltd Continuous winding apparatus
US4623100A (en) * 1985-03-11 1986-11-18 North American Philips Corporation Spooling machine, especially for flat wire
US4643367A (en) * 1985-05-10 1987-02-17 John D. Hollingsworth On Wheels, Inc. Card wire winding tool and method
US5209414A (en) * 1991-10-30 1993-05-11 Dana Corporation Apparatus for precisely winding a coil of wire

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Publication number Priority date Publication date Assignee Title
US2519461A (en) * 1947-02-08 1950-08-22 Western Electric Co Strand distributing apparatus
US2660382A (en) * 1948-04-02 1953-11-24 Wilson John Hart Level winding device
US2738161A (en) * 1954-04-05 1956-03-13 Otis H Chupp Wire line guide and stabilizer
US2976749A (en) * 1956-11-12 1961-03-28 Moeller & Neumann Gmbh Roller guide for rolling mills
US3312421A (en) * 1965-06-07 1967-04-04 Northern Electric Co Delayed return distributor
US4143834A (en) * 1976-02-25 1979-03-13 The Furukawa Electric Co., Ltd. Wire forcing device for a wire take up apparatus
US4179083A (en) * 1976-02-25 1979-12-18 The Furukawa Electric Co., Ltd. Wire forcing device for a wire take up apparatus
US4592521A (en) * 1983-11-22 1986-06-03 Oy Nokia Ab Device for guiding a cable onto a reel
US4700875A (en) * 1984-09-13 1987-10-20 Mario Fabris Roller entry guide
US5937689A (en) * 1997-11-10 1999-08-17 Fabris; Mario Triple roller entry guide
US9132459B2 (en) * 2008-12-22 2015-09-15 Danieli & C. Officine Meccaniche Spa Adjustment device for guide rollers and relative adjustment method
US20200047229A1 (en) * 2017-05-04 2020-02-13 Danieli & C. Officine Meccaniche Spa Apparatus and method to guide metal products

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114955720A (zh) * 2022-06-09 2022-08-30 南通大学 一种具有润滑紧致效果的纺织用导线器

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WO2020185498A1 (en) 2020-09-17
BR112021017942A2 (pt) 2021-11-16
JP2022525346A (ja) 2022-05-12
TW202039348A (zh) 2020-11-01

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