US3557540A - Stranding machine - Google Patents

Stranding machine Download PDF

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Publication number
US3557540A
US3557540A US748693A US3557540DA US3557540A US 3557540 A US3557540 A US 3557540A US 748693 A US748693 A US 748693A US 3557540D A US3557540D A US 3557540DA US 3557540 A US3557540 A US 3557540A
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machine
wires
spool
wire
supported
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US748693A
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English (en)
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Mario Martinez
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    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
    • D07B7/02—Machine details; Auxiliary devices
    • D07B7/08—Alarms or stop motions responsive to exhaustion or breakage of filamentary material fed from supply reels or bobbins
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B3/00—General-purpose machines or apparatus for producing twisted ropes or cables from component strands of the same or different material
    • D07B3/02—General-purpose machines or apparatus for producing twisted ropes or cables from component strands of the same or different material in which the supply reels rotate about the axis of the rope or cable or in which a guide member rotates about the axis of the rope or cable to guide the component strands away from the supply reels in fixed position
    • D07B3/04—General-purpose machines or apparatus for producing twisted ropes or cables from component strands of the same or different material in which the supply reels rotate about the axis of the rope or cable or in which a guide member rotates about the axis of the rope or cable to guide the component strands away from the supply reels in fixed position and are arranged in tandem along the axis of the machine, e.g. tubular or high-speed type stranding machine
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
    • D07B7/02—Machine details; Auxiliary devices

Definitions

  • This invention relates to a stranding machine for stranding wire'or the like into cable or rope and in particular to a high speed stranding machine.
  • the spools of wire are normally supported within a drum structure which is supported for rotation in large diameter bearings, the wire from thespools passing through the drum at its periphery.
  • An object of the present invention is to provide a stranding machine, especially a high speed stranding machine, in which the centrifugal forces acting on the wires are balanced and drums and large bearings are not required, thereby avoiding the disadvantages of known machines and probably producing a saving in the cost of manufacture of the machine.
  • a stranding machine comprising a plurality of spaced apart spools mounted for rotation in cradles non-rotatably supported in spaced apart bearing structures, the wire from each or some of the spools passing therefrom in a curved path partly around the adjacent spool and through one or more of the spaced apart bearing structures and following a sinusoidal path about the longitudinal axis of the machine, the wires between the bearing structures being supported by a rotatable curved support member.
  • each wire along at least part of its path passing through a bearing structure and crossing another strand of Wire within said structure following the other path.
  • each wire where it passes through a bearing structure crosses the strand of wire from the adjacent spool, the arrangement being such that towards the outlet end of the machine the strands of wire alternate spools lie side-by-side in one group and the strands of wirefrom the intervening spools lie side-by-side in a second group.
  • the wires between the bearing structures may be supported by a rotatable curved support member comprising a sheet or strip or a group or groups of juxtaposed ropes 3,557,540 Patented Jan. 26, 1971 or wires supported within each bearing and being outwardly curved between the spaced apart bearings.
  • the sheet or strip or wires or ropes may consist of a continuous length of sheet or strip material or rope or wire extending from the first bearing structure and terminating in the last bearing structure.
  • the length of the sheet or strip or rope or wire may be spirally wound about the axis of the machine.
  • the support member may be curved transversely of the machine.
  • the support member may be coated with a wear resistant material such as ceramics applied by plating or spraying.
  • the support members may be supported within each bearing structure by a block engaged with a rotatable part of the bearing.
  • FIG. 1 is a diagrammatic side elevation of a first embodiment of a stranding machine according to the present invention
  • FIG. 2 is a section through one of the spaced-apart bearing structures
  • FIG. 3 is a section taken along the line 33 indicated on FIG. 2,
  • FIG. 4 is an end view of a tie member of the rotatable support member for supporting the strands of wire
  • FIG. 5 shows an alternative form of tie member
  • FIG. 6 is a side elevation of a second embodiment of a stranding machine according to the present invention.
  • FIG. 7 is an end view of the machine shown in FIG. 6,
  • FIG. 8 is a section through the upper part of one of the bearing structures of FIG. 6,
  • FIG. 9 is a diagrammatic perspective view of part of a rotatable support member of FIG. 6,
  • FIG. 10 is a side view of a spool and cradle, partly broken away to reveal details
  • FIG. 11 is a section taken on the line 1111 indicated on FIG. 10,
  • FIG. 12 is a section taken on the line 1212 indicated on FIG. 10, and
  • FIG. 13 is a diagrammatic representation of a support member wound about the axis of the machine.
  • the high speed stranding machine shown in FIGS. 1 to 3 comprises a plurality of spaced apart spools 10, 11, 12, 13, 14 and 15, each of the spools 11-15 being supported in a cradle 16 which is supported in bearing structures 17, the centre of gravity of each spool 1tl-15 and supporting cradle 16 lying below the longitudinal axis of shaft portions 18 of each cradle 16.
  • Each bearing structure 17 is supported on a pedestal 19, only one of which is shown in FIG. 1, and includes a toothed pulley 20 driven by a belt or chain 21 from a toothed pulley 22 mounted on a drive shaft 23 which may be common to all pedestals 19.
  • a brake 24 operated by a control system, not shown.
  • each bearing structure 17 Extending from each bearing structure 17 are opposed rotatable support members 25 each comprising a group of wires or ropes 25a which are curved away from the longitudinal axis of the machine so as to form a smooth curved support path for wires from the spools 10-15.
  • the support path is sinusoidal about the longitudinal axis of the machine.
  • bearing structures 17 is shown more clearly in FIG. 2 and comprises a sleeve 26 to which the toothed pulley 20 is secured, the sleeve 26 being carried in bearings 27 secured to the pedestal structure 19.
  • the sleeve 26 is provided with axially extending extensions 28 each of which supports a bearing 29 in which the ends of the shaft portions 18 of adjacent cradles 16 are mounted.
  • Each block 30 may comprise a nylon reinforced block of plastics material and receives the wires 25a of each support member 25 which may be continuous from one end of the machine to the other, or may comprise lengths of wire secured at each end to a block 30.
  • the blocks 30 may be formed of metal with an insert of plastics material through which the wires 25 pass.
  • Each of the groups of wires 25a are held together by clamp members 31 as shown more clearly in FIG. 4.
  • Each clamp member 31 comprises an outer portion 31a provided with recesses for locating the wires 25a and an inner portion 31b having recesses 31c forming guides for the wires from the spools 10-15. The clamp members 31 prevent the wires from the spools 10-15 from falling downwardly when the machine is stationary.
  • the group of wires 25a may be curved transversely of the machine as shown in FIG. and the wires 25 may be coated with a wear resistant material, such as a ceramic material, which may be applied by plating or spraying.
  • the wires 25a may comprise high tensile steel wires or comprise ropes formed from nylon or any other suitable material.
  • the stranding machine described with reference to FIGS. 1 to 5 operates as follows; wire from the spool passes through the first bearing structure 17 and is guided by one of the support members 25 extending partly around the bobbin 11 and then through the second hearing structure 17 and guided by one of the support members 25 extending partly around the bobbin 12 and so on.
  • the wire from the spool 11 passes through the second bearing structure 17 and is supported by the other support member 25 extending partly around the bobbin 12 and so on.
  • the wires from the spools cross each other within the sleeves 26 of the bearing structures 17. It will be appreciated that the groups of wires or ropes 25a provide smoothly curved paths for the wires from the spools preventing the wires from being kinked. The wires follow the sinusoidal path and centrifugal forces acting on each wire are balanced.
  • the support members 25 may not all be in a common plane, for example the two support members 25 extending between the second and third bearing structures 17 may be disposed in a plane at right angles to the plane of the two support members 25 extending between the first and second bearings 17.
  • the support members 25 may be wound about the axis of the machine as shown in FIG. 13.
  • the support member 25 need not be supported in large diameter bearings and the centrifugal forces imposed on the wires in the region of a support member 25 are balanced by the centrifugal forces acting on the wire in the region of the adjacent support members 25.
  • the strands of wires from the bobbins 10'-15 are drawn off through a closing die by any suitable hauling apparatus located at the delivery end of the machine.
  • the wires from each bobbin 11-15 may be drawn off through a curved guide tube and the wires may be maintained under tension by applying a retarding force to each spool.
  • FIGS. 6 to 12 The embodiment shown in FIGS. 6 to 12 comprises three spools 32, 33 and 34.
  • the spool 32 is supported in a bearing structure 35 located at one end of the machine.
  • Each spool 33 and 34 is supported in a cradle 36 which are themselves supported in spaced apart bearing structures 37 described in greater detail hereafter.
  • the bearing structures 37 are mounted on spaced apart stands 38.
  • an axially movable closing die 39 supported on a stand 40 and moved by operating a hand wheel 41.
  • Adjacent the stand 40 is a haul-off capstan 42 driven from a variable ratio gear box 43 having an input shaft 44.
  • each spaced apart bearing structure 37 comprises a rigid casing 47 secured to the upper end of the associated stand 38.
  • a rotatable member 49 having axially extending extensions 50 each provided at its outer end with a frusto-conical bearing support 51 housing a bearing 52.
  • the stub axle53 is provided with a flared opening 55 having one end aligned with a channel 56 provided in a guide member 57 mounted in the bearing support 51.
  • FIG. 8 Supported in the right hand bearing 52, as viewed in FIG. 8, is a stub axle 58 secured to an end wall 59 of the adjacent cradle 36.
  • a disc 60 Mounted on each bearing support 51 for rotation therewith is a disc 60 having radially extending arms for supporting outwardly curved support members 61 which extend between the bearing structures 37.
  • the upper half of FIG. 8 illustrates one method of securing the support members 61, where the wires from the spools pass externally over the support members 61, and the lower half of FIG. 8 illustrates a method of securing the support members 61 where the wires from the spools pass inwardly of the support members 61.
  • each arm of each support disc 60 is provided with a channel 62 which is curved at its outer end and in which is received and secured the end of a support member 61 formed by a sheet or strip of metal as shown in FIG. 9.
  • the bore of the member 49 is curved and provided with a similarly curved wear resistant strip of metal 63 over which passes the wires from the spools.
  • Each side of the member 49 is provided with a ring 64 having slots 65 in which the ends of the strip 63 are received and which serve to locate the strip 63 circumferentially of the member 49.
  • each support member 61 is received in the curved bore of the support member 49 and they are overlapped and secured thereto by fixing screws 66.
  • the support members 61 are again received in slots 65 of the rings 64.
  • the arms of each disc 60 are bent towards the adjacent spool and each arm is provided at its outer end with a hinged clip 67 which engages the support members 61.
  • each bearing structure 37 has mounted thereon a geared sprocket 68 engaged by a chain or toothed belt 69.
  • Supported in the spaced apart stands 38 and 40 are interconnected shafts 70, 71 and 72 on which are mounted sprockets 73 each engaged by the chain or belt 69.
  • the shaft 72 is provided with a sprocket 74 engaged by a chain or belt 75 which is also engaged with a sprocket 76 mounted on a shaft 77 connected to the input shaft 44 by a coupling 78.
  • the shaft 70 is connected to a shaft 46 which is driven from a motor 45.
  • each support member 61 may be provided with guide rings 82 secured to one side or the other of the support member 61 depending whether the wires are to pass beneath or over the exterior thereof.
  • a guide 83 Located at the outlet end of the machine is a guide 83.
  • each pintle 84 has secured to it a disc 86 having an axially directed flange 86a at its outer periphery and carries a spring loaded driving pin 86b which engages in a hole in the side of the spool.
  • a fly-wheel 88 mounted on each pintle 84 through a ball and helical groove connection 87 is a fly-wheel 88 to which is secured a ring '89 having an axially directed flange 89a.
  • a band brake 90 comprising a pad 91 of fiiction material secured to a band 92 having one end fixed to a member 93 secured to cradle structure 36a and having its other end fixed to a rod 94 of a pneumatic actuator 95 mounted on the cradle 36.
  • the free end of the rod 94 is screw-threaded and has mounted thereon an adjustable abutment 96 for a spring 97.
  • the spring 97 urges the brake 90 towards the on position and the brake 90 is released by releaving the air pressure in the actuator 95.
  • the brake 90 is adjusted by controlling the air pressure of the actuator 95 to give the required degree of friction to the spool, thereby maintaining the wire fed from the spool at a predetermined tension.
  • the brake 90 is applied to prevent rotation of the spool when the machine is stopped for any reason and prevents the spool overrunning due to inertia.
  • the machine is provided with means to stop the machine should a wire break during operation and such means comprises a block 98 which is secured to the cradle 36, the block 98 having a recess 99 in which is normally received the flange 89a of the ring 89.
  • a duct 100 which communicates with the recess 99 and which is supplied with air under pressure through a conduit 101.
  • a duct 102 which communicates with the recess 99 on the side opposite to that of duct 100.
  • the duct 102 has its inlet aligned with the outlet of duct 100 and is connected to a conduit 103 connected to a control circuit which includes the actuator 95.
  • the flange 89a acts as an obturating valve and prevents air issuing from the duct 100 entering the duct 102. It will be appreciated that during rotation of the spool the pintles 84 will rotate with it and the fiy-wheels 88 will be urged towards the discs 86. If the wire from a spool breaks then due to the friction applied to the spool it will slow down.
  • the inertia of the fly-wheels 88 causes them to rotate relative to the pintles '84 and due to the ball and helical groove connection 87 they will move axially along the pintles 84 in a direction away from the spool and thus move the flange 89a away from the recess 99 thus allowing air from duct 100 to enter duct 102.
  • the increase of pressure in the duct 1.02 is used as a signal to operate brake means to stop the machine and to effect venting of the actuator 95-, the spring 97 then urging the band brake 90 to the fully-on position.
  • the brake means of the machine may comprise a brake or brakes associated with the main drive shafts 46, 70, 71, 72.
  • the blocks 98 and associated parts also prevent the machine from being started if one of the pintles '84 is not properly or fully engaged with its spool.
  • the air flow from duct 100 is not prevented from entering the duct 102 until the pintle 84 is fully engaged.
  • Spring means 104 are provided for returning the fly-wheels 88 to their inoperative position.
  • Each cradle 36 is provided with weights 105 to prevent rotation thereof about the longitudinal axis of the machine.
  • each cradle 36 Mounted on one of the weights 105 of each cradle 36 is a block 106 having a central opening 107 in which is pivotally mounted a member 108.
  • the block 106 is provided with a duct 109 connected to a conduit 110 and a duct 111 connected to a conduit 112.
  • the ducts 109 and 111 are aligned with each other and communicate with the opening 107.
  • the member 108 hangs vertically downwards and prevents air from duct 109 entering the duct 111. If for any reason, such as a failure of one of the bearings 52, the
  • the motor 45 drives the shafts 46, 70, 71, 72 and rotation of the shafts 46, 70, 71, 72 effects rotation of the members 49 via the sprockets 73, chains or belts '69 and sprockets 68, and this results in rotation of the support members 61 about the longitudinal axis of the machine.
  • the haul-off capstan 42 is driven from the gear box 43 and pulls the wires through the closing die 39.
  • the wire from each spool 32, 33-, 34 passes through the associated guide member 57 and is guided onto the inside or the exterior of the support member 61, as the case may be, the wires from adjacent spools crossing within the members 49.
  • the wires follow a sinus oidal path along the machine.
  • the machine described with reference to FIGS. 6 to 12 can comprise more than three spools, the number of spools depending on the number of wires to be stranded into the rope or cable.
  • the brakes 90 apply a retarding force to the spools thus producing the necessary tension to the strands of wire and serve to brake the spools should a strand of wire fracture, thereby preventing the spool overrunning due to inertia and spilling off its wire.
  • the brakes 90 instead of being actuated by a pneumatic system may be operated remotely by a hydraulic or electric control system can also include wire breakage sensing means to effect shut down of the machine if a wire breakage occurs.
  • the wires from the spools run in parallel paths as far as the guide 83 which brings them together before entering the closing die 39. Centrifugal forces acting on the wires are balanced due to the fact that the wires follow the sinusoidal path and therefore the wires are not urged into wearing contact with the guides 82 by any considerable force and also the tension applied to the wires need only be sufiicient to keep them in tension and does not have to prevent the wires from looping out between the guides 82.
  • a stranding machine comprising a plurality of spaced-apart spools, means mounting said spools, in cradles, spaced-apart bearing structures, means non-rotatably mounting said cradles in said structures, rotatable curved support members mounted for rotation in said structure, the strand from each spool passing therefrom in a curved path partly around the adjacent spool and being supported on said rotatable curved support members and passing through at least one of said spaced-apart bearing structures so as to follow a sinusoidal path symmetrical about the longitudinal axis of the machine.
  • a stranding machine comprising a plurality of spaced-apart spools, means mounting said spools in cradles, spaced-apart bearing structures, means non-rotatably mounting said cradles in said structures, two rotatable curved support members mounted for rotation in said structures, the curved support members forming two sinusoidal paths disposed symmetrical about the axis of the machine, the strand from each spool passing therefrom in a curved path partly around the adjacent spool and being supported on said rotatable curved support members and passing through said spaced-apart bearing structures, each wire strand along at least part of its path crossing another strand of wire from the other sinusoidal path within one of said bearing structures.
  • a stranding machine as claimed in claim 2 wherein each wire strand crosses the wire strand from the adjacent spool, the arrangement being such that towards the outlet end of the machine the strands of wire from alternate spools lie side-by-side in one group and the strands of wire from the intervening spools lie side-by-side in a second group.
  • a stranding machine as claimed in claim 1 in which the strands of wires from the spools pass over the outer surface of the rotatable curved support members.
  • a stranding machine as claimed in claim 1 in which the strands of wires from the spools pass over the internal surface of the rotatable curved support members.
  • a stranding machine as claimed in claim 2 in which the strands of wires from the spools pass over the outer surface of the rotatable curved support members.
  • a stranding machine as claimed in claim 2 in which the strands of wires from the spools pass over the internal surface of the rotatable curved support members.
  • a stranding machine as claimed in claim 1 in which the support member is wound about the longitudinal axis of the machine.
  • a stranding machine as claimed in claim 2 in which the support member is wound about the longitudinal axis of the machine.
  • each bearing support structure includes a rotatably mounted member, means mounting said member in fixed structure, axially extending portions on said member, bearings supported in said axially extending portions, said cradles being supported in said bearings, means supporting said curved support members from said rotatably mounted member.
  • each bearing support structure includes a rotatably mounted member, means mounting said member in fixed structure, axially extending portions on said member, bearing supported in said axially extending portions, said cradles being supported in said bearings, means supporting said curved support members from said rotatably mounted member.
  • each bearing support structure includes a rotatably mounted member, means mounting said member in fixed structure, axially extending portions on said member, bearings supported in said axially extending portions, said cradles being supported in said bearings, means supporting said curved support members from said rotatably mounted member, said means comprising support members mounted on said rotatably mounted member.
  • a stranding machine comprising a plurality of spaced-apart spools, means mounting said spools, in cradles, spaced-apart bearing structures, means non-rotatably mounting said cradles in said structures, rotatably curved support members mounted for rotation in said structures, the strand from each spool passing therefrom in a curved path partly around the adjacent spool and being supported on said rotatable curved support members and passing through said spaced-apart bearing structures so as to follow a sinusoidal path symmetrical about the longitudinal axis of the machine, means for braking said machine and each cradle being provided with brake means and means for sensing breakage of said strand connected to said brake means.
  • a stranding machine as claimed in claim 13 in which said brake means comprises a brake, spring means for urging said brake to the fully on position and actuator means for urging said brake to the off position.
  • a stranding machine as claimed in claim 13 in which said means for sensing breakage of said strand comprises a pintle for mounting said spool in said cradle,
  • a fly-wheel mounted on said pintle and adapted to overrun said pintle upon breakage of said strand, means for moving said fly-wheel axially of said pintle upon the fiywheel overrunning said pintle upon breakage of said strand, an obturating member on said fly-wheel, opposed conduits on each side of said obturating member, means supplying fiuid under pressure to one conduit, means connecting the other conduit to means for actuating said brake means, said obturating member being moved by said fiy-wheel from its obturating position upon said axial movement of said fly-wheel.
  • a stranding machine as claimed in claim 13 in which said means for sensing breakage of said strand comprises a pintle for mounting said spool in said cradle, a fly-wheel mounted on the pintle, a ball and helical groove connection between said fiy-wheel and pintle to cause axial movement of said pintle upon the fiy-whee] overrunning said pintle upon breakage of said strand, an obturating member on said fly-Wheel, opposed conduits on each side of said obturating member, means supplying fiuid under pressure to one conduit, means connecting the other conduit to means for actuating said brake means, said obturating member being moved by said flywheel from its obturating position upon axial movement of said fiy-wheel.
  • a stranding machine as claimed in claim '13 in which means are provided for sensing excessive rocking movement of each cradle about the longitudinal axis of the machine, said means comprising a block secured to the lower side of said cradle, an opening in said block, an obturating member in said opening, means pivotally mounting the upper part of said obturating member in said opening, a first passage in said block, means connecting said first passage to a source of pressure fluid, a second passage in said block, means connecting said second passage to control means for operating said brake means for the machine, said first and second passages having openings aligned on opposite sides of the obturating member, excessive rocking movement of said cradle causing said block to move and said obturating member to remain substantially fixed so that said passages communicate with each other to cause operation of said brake means.
  • Apparatus for sensing breakage of wire from a spool and for applying a braking force to said spool comprising rotatable pintles for supporting said spool, at least one pintle having a drum, a friction band contacting said drum, a fly-wheel mounted on a pintle and adapted to overrun said pintle upon breakage of said Wire, means for moving said fly-wheel axially of said pintle upon overrun of said fiy-wheel, an obturating member on said fiy-wheel, opposed conduits on each side of said obturating member, means supplying fluid under pressure to one conduit, means connecting the other conduit to means for actuating said friction band, said obturating member being moved by said fiy-wheel from its obturating position upon said axial movement of said fiy-wheel.
  • Apparatus for sensing excessive rocking movement of a non-rotatably mounted cradle for a spool comprising a block secured to the lower side of said cradle, an opening in said block, and obturating member in said opening, means pivotally mounting the upper part of said obturating member in said opening, a first passage in said block, means connecting said first passage to a source of pressure fiuid, a second passage in said block, means connecting said second passage to control means for operating said brake means for the machine, said first and second passages having openings aligned on opposite sides of the obturating member, excessive rocking movement of said cradle causing said block to move and said obturating member to remain substantially fixed so that said passages communicate with each other to cause operation of said brake means.

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US748693A 1967-08-03 1968-07-30 Stranding machine Expired - Lifetime US3557540A (en)

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Application Number Priority Date Filing Date Title
GB35677/67A GB1175589A (en) 1967-08-03 1967-08-03 Improvements in or relating to Stranding Machines

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US3557540A true US3557540A (en) 1971-01-26

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US748693A Expired - Lifetime US3557540A (en) 1967-08-03 1968-07-30 Stranding machine

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US (1) US3557540A (es)
AT (1) AT284672B (es)
CH (1) CH494857A (es)
DE (1) DE1785019C3 (es)
ES (1) ES356825A1 (es)
FR (1) FR1576119A (es)
GB (1) GB1175589A (es)
SE (1) SE344480B (es)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3830050A (en) * 1971-06-25 1974-08-20 Hamana Iron Works Co Wire stranding machine
US4114361A (en) * 1974-01-29 1978-09-19 Barmag Barmer Maschinenfabrik Ag Twisting machine process for stranding wires
US4640087A (en) * 1983-07-26 1987-02-03 Giorgio Targa Rope-making machine
ES2621879A1 (es) * 2017-03-16 2017-07-05 Twistperfect, S.L. Procedimiento de hilado y/o torcido de hilos y máquina de hilado y/o torcido de hilos, mejorados
CN117423517A (zh) * 2023-12-19 2024-01-19 河北方科电缆有限公司 一种自动化的电缆制作装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109577050A (zh) * 2019-01-23 2019-04-05 上海海事大学 卧式绳缆制股机

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE294262C (es) *
US2723525A (en) * 1953-06-23 1955-11-15 Edmands Company Wire twisting machine
FR1434496A (fr) * 1964-06-30 1966-04-08 Machine rapide à torsader
BE678555A (es) * 1966-03-28 1966-09-01

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3830050A (en) * 1971-06-25 1974-08-20 Hamana Iron Works Co Wire stranding machine
US4114361A (en) * 1974-01-29 1978-09-19 Barmag Barmer Maschinenfabrik Ag Twisting machine process for stranding wires
US4640087A (en) * 1983-07-26 1987-02-03 Giorgio Targa Rope-making machine
ES2621879A1 (es) * 2017-03-16 2017-07-05 Twistperfect, S.L. Procedimiento de hilado y/o torcido de hilos y máquina de hilado y/o torcido de hilos, mejorados
CN117423517A (zh) * 2023-12-19 2024-01-19 河北方科电缆有限公司 一种自动化的电缆制作装置
CN117423517B (zh) * 2023-12-19 2024-02-23 河北方科电缆有限公司 一种自动化的电缆制作装置

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Publication number Publication date
DE1785019C3 (de) 1981-11-19
GB1175589A (en) 1969-12-23
AT284672B (de) 1970-09-25
CH494857A (de) 1970-08-15
SE344480B (es) 1972-04-17
FR1576119A (es) 1969-07-25
DE1785019A1 (de) 1971-06-16
DE1785019B2 (de) 1978-05-24
ES356825A1 (es) 1970-05-01

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