US2476731A - Wire rope splice and method of making the same - Google Patents

Wire rope splice and method of making the same Download PDF

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Publication number
US2476731A
US2476731A US619967A US61996745A US2476731A US 2476731 A US2476731 A US 2476731A US 619967 A US619967 A US 619967A US 61996745 A US61996745 A US 61996745A US 2476731 A US2476731 A US 2476731A
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Prior art keywords
sleeve
rope
strands
splice
live
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Expired - Lifetime
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US619967A
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Jr William Hobbs
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JOHN A ROEBLING'S SONS Co
ROEBLINGS JOHN A SONS CO
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ROEBLINGS JOHN A SONS CO
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G11/00—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes
    • F16G11/02—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes with parts deformable to grip the cable or cables; Fastening means which engage a sleeve or the like fixed on the cable
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/4989—Assembling or joining with spreading of cable strands
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49925—Inward deformation of aperture or hollow body wall
    • Y10T29/49927—Hollow body is axially joined cup or tube
    • Y10T29/49929—Joined to rod
    • Y10T29/49931—Joined to overlapping ends of plural rods

Definitions

  • This invention relates to sleeve splices for wire ropes or cables and methods of making them, the object of the invention being to provide an improved sleeve splice securing the full strength of the rope while simple and cheap to manufacture.
  • the invention is especially applicable in connection with rope eyes formed by bending back the dead end of the rope to form the eye and securing this to the live rope by compressing or swaging a sleeve over the two portions of the rope, but the broader features of the invention are applicable, also, in connection with splicing wire ropes together in other relations and for other purposes.
  • Figure 1 is a side'view of the rope eye with the sleeve enclosing the dead end and live rope before compression or swaging of the sleeve;
  • Figure 2 shows a completed eye
  • Figure 3 is an enlarged illustrative cross section through the sleeve and ropes of Figure 2, this Figure 3 showing a fiber center rope;
  • Figure 4 is a diagram illustrating the die action for compressing or swaging the sleeve about the ropes, the dies being shown in a preferred form and in position for pressing;
  • Figure 5 is a similar view showing the second step in the pressing operation, from which further action of the dies compresses the sleeve and ropes into the form like that shown in Figures 2 and 3;
  • Figure 6 is an enlarged view similar to Figure 4, with a rope having a wire strand center;
  • Figure 7 is a view illustrating the sleeve, ropes and dies of Figure 6 in the completed form of the splice.
  • the rope eye is shown as of a common form consisting of the live rope A bent to form the eye and with the dead end B compressed or swaged with the rope A in the sleeve C, the eye being shown as having the common thimble or lining D, although this may be omitted and the eye may be of any other form.
  • the live rope is first passed through the sleeve and bent to form the eye, the strands of the dead end B of Figures 1 to 3 are then spread by opening the dead end and then pushed through the sleeve so as to enclose partially or fully, and preferably only partially, the live rope A, as shown in Figure 1, and the sleeve is then compressed under heavy pressure over the live rope A and the spread strands of the dead end B to form the sleeve splice as shown in Figures 2 and 3.
  • the ends of the sleeve are formed at such an angle that the taper of the sleeve ends is substantially retained in the pressing operation and the sleeve reduced by flowing of the metal so as to elongate the sleeve while retaining this angle in the splice, as shown in the completed thimble splice of Figure 2.
  • the bore of the sleeve is thus straight and uniform and grips the ropes throughout and the rope moves smoothly with no sharp shoulders on the sleeve.
  • the ends of the thimble are preferably formed with an angle of 40 to depending upon conditions of the metal and the swaging pressure and method used.
  • the live rope A is shown complete with its fiber center I at the lower right of the sleeve and the strands and fibrous center 2 of the dead end B are spread around the top left side and bottom of the live rope, but it will be understood that this is only illustrative and a cross section of the complete splice will show difierent arrangements of the rope, dead end strands and fiber, depending upon the character of the rope and the swaging pressure and method of swaging used.
  • the only important feature is that the live rope A shallnot be bent in the sleeve, but shall be central to the eye and straight through the sleeve, so that the pull on the live rope is in a straight line, thus securing the full strength of the rope.
  • the metal of the sleeve flows into the voids within the sleeve and the sleeve may be thickened slightly at the right and left sides, as shown in Figure 7, which lat ter feature in the method shown aids in compacting the splice, but is not essential, depending upon the swaging actionemployed.
  • a wire rope eye splice which comprises an unopened live section of wire rope passing straight through an open end sleeve of uniform bore with the helically laid wire strands of the dead end of the rope separated and introduced into the sleeve in a form spread about the helically laid wire strands of said unopened section, said sleeve being die pressed upon said section and strands so that the sleeve is reduced in external diameter
  • a method of forming a wire rope eye splice which comprises passing a section of wire rope through an open end metal sleeve having a straight bore of uniform size, opening the dead end of the wire rope to separate the strands thereof and introducing said strands into said sleeve in a form spread about the unopened live section of wire rope, and compressing the sleeve about said live section and spread strands with sufficient pressure to reduce the diameter of the sleeve, thicken the walls thereof and compress said spread strands about a major portion of the peripheral surface of said live section.
  • a method of forming a wire rope splice which comprises passing an unopened section of one of a pair of rope member through an open end sleeve having a uniform circular bore with its open ends tapered at an angle between 40 and to the axis of said sleeve, opening an end of the other of said rope members to spread the wire strands thereof and introducing said spread wire strands into the sleeve in a position distributed about the helically laid strands of said unopened member, and compressing the sleeve throughout its length to reduce its diameter and produce elongation thereof and to compress the spread strands about a major portion of the surface of the unopened rope member.

Description

y 9, 1949. w. HOBBS, JR mmm WIRE ROPE SPLICE AND METHOD OF MAKING THE SAME Filed 000. 3, 1945 1N V ENTOR fizz/AM 5955.5; Jf
ATTORN EU Patented July 19, 1949 WIRE ROPE SPLICE AND METHOD OF MAKING THE SAME William Hobbs, Jr., Morrisville, Pa., assignor to John A. Roeblings Sons Company, Trenton. N. J., a corporation of New Jersey Application October 3, 1945, Serial No. 619,967
6 Claims.
This invention relates to sleeve splices for wire ropes or cables and methods of making them, the object of the invention being to provide an improved sleeve splice securing the full strength of the rope while simple and cheap to manufacture.
The invention is especially applicable in connection with rope eyes formed by bending back the dead end of the rope to form the eye and securing this to the live rope by compressing or swaging a sleeve over the two portions of the rope, but the broader features of the invention are applicable, also, in connection with splicing wire ropes together in other relations and for other purposes.
For a full understanding of the invention a detailed description will now be given, in connection with the accompanying drawings forming a part of this specification, of a rope eye with sleeve splice embodying the invention in a preferred form and made by the preferred method, and the features forming the invention will then be specifically pointed out in the claims.
In the drawings:
Figure 1 is a side'view of the rope eye with the sleeve enclosing the dead end and live rope before compression or swaging of the sleeve;
Figure 2 shows a completed eye;
Figure 3 is an enlarged illustrative cross section through the sleeve and ropes of Figure 2, this Figure 3 showing a fiber center rope;
Figure 4 is a diagram illustrating the die action for compressing or swaging the sleeve about the ropes, the dies being shown in a preferred form and in position for pressing;
Figure 5 is a similar view showing the second step in the pressing operation, from which further action of the dies compresses the sleeve and ropes into the form like that shown in Figures 2 and 3;
Figure 6 is an enlarged view similar to Figure 4, with a rope having a wire strand center; and
Figure 7 is a view illustrating the sleeve, ropes and dies of Figure 6 in the completed form of the splice.
Referring to the drawings, the rope eye is shown as of a common form consisting of the live rope A bent to form the eye and with the dead end B compressed or swaged with the rope A in the sleeve C, the eye being shown as having the common thimble or lining D, although this may be omitted and the eye may be of any other form.
The preferred method of forming the splice by compressing or swaging the sleeve dead end,
and live rope together is by compression of the sleeve and ropes within the suitably formed dies E, F, illustrated in Figures 4 and 5, either with or without turning of the sleeve between pressing steps.
The live rope is first passed through the sleeve and bent to form the eye, the strands of the dead end B of Figures 1 to 3 are then spread by opening the dead end and then pushed through the sleeve so as to enclose partially or fully, and preferably only partially, the live rope A, as shown in Figure 1, and the sleeve is then compressed under heavy pressure over the live rope A and the spread strands of the dead end B to form the sleeve splice as shown in Figures 2 and 3. In this die compression, the ropes and sleeve will pass through the intermediate form illustrated in Figure 5 to the final form of Figure 3, securing a uniform and strong grip of the sleeve on the ropes with the live rope running straight through the sleeve.
The ends of the sleeve are formed at such an angle that the taper of the sleeve ends is substantially retained in the pressing operation and the sleeve reduced by flowing of the metal so as to elongate the sleeve while retaining this angle in the splice, as shown in the completed thimble splice of Figure 2. The bore of the sleeve is thus straight and uniform and grips the ropes throughout and the rope moves smoothly with no sharp shoulders on the sleeve. For this result the ends of the thimble are preferably formed with an angle of 40 to depending upon conditions of the metal and the swaging pressure and method used. r
In Figure 3, the live rope A is shown complete with its fiber center I at the lower right of the sleeve and the strands and fibrous center 2 of the dead end B are spread around the top left side and bottom of the live rope, but it will be understood that this is only illustrative and a cross section of the complete splice will show difierent arrangements of the rope, dead end strands and fiber, depending upon the character of the rope and the swaging pressure and method of swaging used. The only important feature is that the live rope A shallnot be bent in the sleeve, but shall be central to the eye and straight through the sleeve, so that the pull on the live rope is in a straight line, thus securing the full strength of the rope. With the die pressing shown and heavy pressure, the metal of the sleeve flows into the voids within the sleeve and the sleeve may be thickened slightly at the right and left sides, as shown in Figure 7, which lat ter feature in the method shown aids in compacting the splice, but is not essential, depending upon the swaging actionemployed.
In Figures 6 and 7 I have illustrated the thimble splice eye with a rope having a wire rope center, Figure 6 showing the live rope G with the rope center 3, the strands of the dead end H spread around the top of the live rope G and the seven strands of the wire rope center 4 of the dead end spread between the live rope and dead end. It will be understood that this is only an unopened live section of wire rope which comprises said section of unopened rope passing straight through an open end sleeve of straight circular bore with said rope end opened and the strands introduced into the sleeve about said unopened section, said sleeve being die pressed upon said section and strands so that its external diameter is reduced, the sleeve is elongated and the walls thereof are thickened.
2. A wire rope eye splice which comprises an unopened live section of wire rope passing straight through an open end sleeve of uniform bore with the helically laid wire strands of the dead end of the rope separated and introduced into the sleeve in a form spread about the helically laid wire strands of said unopened section, said sleeve being die pressed upon said section and strands so that the sleeve is reduced in external diameter,
elongated and the walls thereof are thickened.
strands thereof introduced into the sleeve about strands of the opened member about the heli- I cally laid wire strands of another unopened rope member, and compressing a sleeve of uniform circular bore upon said spread wire strands and unopened rope member under such pressure as to compress the spread strands about a major portion of the peripheral surface of said unopened member.
5. A method of forming a wire rope eye splice which comprises passing a section of wire rope through an open end metal sleeve having a straight bore of uniform size, opening the dead end of the wire rope to separate the strands thereof and introducing said strands into said sleeve in a form spread about the unopened live section of wire rope, and compressing the sleeve about said live section and spread strands with sufficient pressure to reduce the diameter of the sleeve, thicken the walls thereof and compress said spread strands about a major portion of the peripheral surface of said live section.
6. A method of forming a wire rope splice which comprises passing an unopened section of one of a pair of rope member through an open end sleeve having a uniform circular bore with its open ends tapered at an angle between 40 and to the axis of said sleeve, opening an end of the other of said rope members to spread the wire strands thereof and introducing said spread wire strands into the sleeve in a position distributed about the helically laid strands of said unopened member, and compressing the sleeve throughout its length to reduce its diameter and produce elongation thereof and to compress the spread strands about a major portion of the surface of the unopened rope member. 7
WILLIAM HOBBS,- JR.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date 219,860 Healey Sept. 23, 1879 826,063 Reid July 17, 1906 1,368,480 Brown Feb, 15, 1921 1,387,334 Vignos Aug. 9, 1921 1,397,040 Dillon Nov. 15, 1921 1,720,272 Harris July 9, 1929 1,927,382 Andrew Sept. 19, 1933 2,276,571 Grympa Mar. 17, 1942 2,327,683 Warner Aug. 24, 1943 2,346,412 Bratz Apr. 11, 1944
US619967A 1945-10-03 1945-10-03 Wire rope splice and method of making the same Expired - Lifetime US2476731A (en)

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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2819923A (en) * 1955-08-17 1958-01-14 Anderson Doyle Suspension sling
US2889603A (en) * 1954-04-05 1959-06-09 Bethlehem Steel Corp Compression sleeve and method of compressing for wire rope slings
US2947504A (en) * 1955-02-03 1960-08-02 Preformed Line Products Co Cable suspension and anchoring means and method
US3010184A (en) * 1958-11-13 1961-11-28 Amp Inc Method of making an electrical connection
US3010183A (en) * 1956-11-23 1961-11-28 Amp Inc Method and apparatus for forming a crimped connection
US3184817A (en) * 1962-04-05 1965-05-25 Archer Marie Cable clamps
US3242545A (en) * 1964-04-15 1966-03-29 Sahm Otto Tubular rope clip
US3407477A (en) * 1964-12-09 1968-10-29 Sahm Otto Method of joining a rope clip to a rope
US3426395A (en) * 1966-07-09 1969-02-11 Otto Sahm Rope clamp
US3871071A (en) * 1973-09-24 1975-03-18 Thomas & Betts Corp Method of forming an electrical connection
US4242777A (en) * 1977-07-13 1981-01-06 Bourard Daniel P J Marked cable sling
US4498222A (en) * 1982-06-20 1985-02-12 Nsk-Warner K.K. Clinching process of buckle base and wire rope
US5113551A (en) * 1990-03-23 1992-05-19 Lift-All Company, Inc. Verifiable swaged fitting
US20030221296A1 (en) * 2002-04-12 2003-12-04 Gijsel Geert Van Suspension system
US20100037554A1 (en) * 2008-08-13 2010-02-18 Oh Michael H-S Cable locking device and method
US20100108840A1 (en) * 2008-10-30 2010-05-06 Oh Michael H-S Quick threaded rod locking devices and method
US20150059132A1 (en) * 2011-10-19 2015-03-05 Trw Automotive Gmbh Method and device for connecting a wire cable to a cable guide
US8998155B2 (en) 2008-10-30 2015-04-07 Erico International Corporation Quick threaded rod locking devices and method
US9188193B2 (en) 2011-12-06 2015-11-17 Erico International Corporation Cable locking device
USD836430S1 (en) * 2017-04-14 2018-12-25 Stephan W. Tillitski Wire termination device
US10228044B2 (en) * 2015-10-29 2019-03-12 Factor 55, Llc Splicer thimble for rope
US10677316B2 (en) 2015-10-29 2020-06-09 Factor 55, Llc Clevis mount thimble

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US219860A (en) * 1879-09-23 Improvement in splices for wire ropes
US826063A (en) * 1905-03-07 1906-07-17 Joseph Reid Well-drilling cable.
US1368480A (en) * 1918-12-05 1921-02-15 William H Brown Method of uniting two parallel wire-cable members
US1387334A (en) * 1920-02-03 1921-08-09 American Mine Door Company Cable-splice
US1397040A (en) * 1919-02-24 1921-11-15 American Mine Door Company Cable-splice
US1720272A (en) * 1927-10-05 1929-07-09 Warren B Harris Harness cord for looms
US1927382A (en) * 1930-09-10 1933-09-19 Gen Cable Corp Electric connecter
US2276571A (en) * 1939-08-30 1942-03-17 Theodore J Grypma Splicing method
US2327683A (en) * 1942-06-04 1943-08-24 Nat Telephone Supply Co Wire holding device
US2346412A (en) * 1942-04-25 1944-04-11 American Chain & Cable Co Method and means for holding end loops in cables

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US219860A (en) * 1879-09-23 Improvement in splices for wire ropes
US826063A (en) * 1905-03-07 1906-07-17 Joseph Reid Well-drilling cable.
US1368480A (en) * 1918-12-05 1921-02-15 William H Brown Method of uniting two parallel wire-cable members
US1397040A (en) * 1919-02-24 1921-11-15 American Mine Door Company Cable-splice
US1387334A (en) * 1920-02-03 1921-08-09 American Mine Door Company Cable-splice
US1720272A (en) * 1927-10-05 1929-07-09 Warren B Harris Harness cord for looms
US1927382A (en) * 1930-09-10 1933-09-19 Gen Cable Corp Electric connecter
US2276571A (en) * 1939-08-30 1942-03-17 Theodore J Grypma Splicing method
US2346412A (en) * 1942-04-25 1944-04-11 American Chain & Cable Co Method and means for holding end loops in cables
US2327683A (en) * 1942-06-04 1943-08-24 Nat Telephone Supply Co Wire holding device

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2889603A (en) * 1954-04-05 1959-06-09 Bethlehem Steel Corp Compression sleeve and method of compressing for wire rope slings
US2947504A (en) * 1955-02-03 1960-08-02 Preformed Line Products Co Cable suspension and anchoring means and method
US2819923A (en) * 1955-08-17 1958-01-14 Anderson Doyle Suspension sling
US3010183A (en) * 1956-11-23 1961-11-28 Amp Inc Method and apparatus for forming a crimped connection
US3010184A (en) * 1958-11-13 1961-11-28 Amp Inc Method of making an electrical connection
US3184817A (en) * 1962-04-05 1965-05-25 Archer Marie Cable clamps
US3242545A (en) * 1964-04-15 1966-03-29 Sahm Otto Tubular rope clip
US3407477A (en) * 1964-12-09 1968-10-29 Sahm Otto Method of joining a rope clip to a rope
US3426395A (en) * 1966-07-09 1969-02-11 Otto Sahm Rope clamp
US3871071A (en) * 1973-09-24 1975-03-18 Thomas & Betts Corp Method of forming an electrical connection
US4242777A (en) * 1977-07-13 1981-01-06 Bourard Daniel P J Marked cable sling
US4498222A (en) * 1982-06-20 1985-02-12 Nsk-Warner K.K. Clinching process of buckle base and wire rope
US5113551A (en) * 1990-03-23 1992-05-19 Lift-All Company, Inc. Verifiable swaged fitting
US20030221296A1 (en) * 2002-04-12 2003-12-04 Gijsel Geert Van Suspension system
US7346962B2 (en) 2002-04-12 2008-03-25 Erico International Corporation Suspension system
US20100037554A1 (en) * 2008-08-13 2010-02-18 Oh Michael H-S Cable locking device and method
US20100108840A1 (en) * 2008-10-30 2010-05-06 Oh Michael H-S Quick threaded rod locking devices and method
US9915277B2 (en) 2008-10-30 2018-03-13 Erico International Corporation Quick-threaded rod locking device and method
US8434725B2 (en) 2008-10-30 2013-05-07 Erico International Corporation Quick threaded rod locking devices and method
US11773884B2 (en) 2008-10-30 2023-10-03 Erico International Corporation Quick-threaded rod locking device and method
US8998155B2 (en) 2008-10-30 2015-04-07 Erico International Corporation Quick threaded rod locking devices and method
US11572905B2 (en) 2008-10-30 2023-02-07 Erico International Corporation Quick-threaded rod locking device and method
US9303676B2 (en) 2008-10-30 2016-04-05 Erico International Corporation Quick-threaded rod locking device and method
US8132767B2 (en) 2008-10-30 2012-03-13 Erico International Corporation Quick threaded rod locking devices and method
US11047409B2 (en) 2008-10-30 2021-06-29 Erico International Corporation Quick-threaded rod locking device and method
US10578137B2 (en) 2008-10-30 2020-03-03 Erico International Corporation Quick-threaded rod locking device and method
US10253845B2 (en) * 2011-10-19 2019-04-09 Trw Automotive Gmbh Method and device for connecting a wire cable to a cable guide
US20150059132A1 (en) * 2011-10-19 2015-03-05 Trw Automotive Gmbh Method and device for connecting a wire cable to a cable guide
US9188193B2 (en) 2011-12-06 2015-11-17 Erico International Corporation Cable locking device
US10228044B2 (en) * 2015-10-29 2019-03-12 Factor 55, Llc Splicer thimble for rope
US10677316B2 (en) 2015-10-29 2020-06-09 Factor 55, Llc Clevis mount thimble
USD836430S1 (en) * 2017-04-14 2018-12-25 Stephan W. Tillitski Wire termination device

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