US1009030A - Rope. - Google Patents

Rope. Download PDF

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Publication number
US1009030A
US1009030A US60675611A US1911606756A US1009030A US 1009030 A US1009030 A US 1009030A US 60675611 A US60675611 A US 60675611A US 1911606756 A US1911606756 A US 1911606756A US 1009030 A US1009030 A US 1009030A
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Prior art keywords
strands
core
rope
interstices
cable
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Expired - Lifetime
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US60675611A
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Edward P Frederick
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    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B1/00Constructional features of ropes or cables
    • D07B1/06Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
    • D07B1/0673Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core having a rope configuration
    • D07B1/068Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core having a rope configuration characterised by the strand design
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B2201/00Ropes or cables
    • D07B2201/10Rope or cable structures
    • D07B2201/1028Rope or cable structures characterised by the number of strands
    • D07B2201/1036Rope or cable structures characterised by the number of strands nine or more strands respectively forming multiple layers

Definitions

  • This invention consists of a compound rope or cable.
  • this rope has been found of especial serviceability and durability in work on the Panama Canal in connection with ballast unloaders and in the work of relation of the external members'to the grooves or interstices between the internal .members; and
  • Fig. 3 is a transverse section through a rope or cable exhibltmg, also, the
  • 1 denotes a wire.
  • a group of wires 1 composes a strand- 2.
  • the structure as a whole will hereinafter be termed a compound rope or cable. It has heretofore been customary to form cables of this general character with a core composed of members having their lay in one direction and the external members with their lay in a difi'erent direction. Otherwise stated, the practice in the past has been to disregard divergence in the lay of the outer and inner members, The result has been great variety and conflict in the lay of the wires of the core and of the external units or members combined.
  • the present invention increases the strength'of a rope'or cable in, at least, two respects.
  • a hemp rope 3, or a wire may be used to form.
  • Interstices or grooves 5 are formed between the strands 2 that form the core 4, said corebeing composed of a plurality of strands 2 formed of wires 1. These interstices receive their shape and direction from the direction of the lay of the strands-2 forming said core.
  • the main feature of the present invention consists in imparting to the strands2 forming the sheath or outside layer of the rope or cable the same lay as that of the strands 2 forming the core 4 and, furthermore, in locating the strands 2 composing said sheath or outer layer in the interstices or grooves 5 of the core 4.
  • interstices 5 are formed on the outside of the core 4 between the strands 2 forming said core
  • interstices 6 are formed on the inner side of the external sheath layer, and, by reason of the location of the strands 2 of the outer layer in the interstices -5 of the core 4, the strands 2 of said'core lie in the interstices 6 of the outer layer, the interstices 5 and 6 be-' ing thus arranged in staggered relation to each other, by reason whereof the structure as a whole is, when completed, much more c'iosely bound together.
  • TL-A compound rope or cable comprising a core consisting of a series of spirallywound strands, each pair of which has an interstice therebetween, and a sheath incas ,”lng said core and consisting of a series of 2 ⁇ strands wound spirally around the same,
  • each pair of sheath strands having an interistice therebetween said sheath strands hav "ing exactly the same lay as the core strands and lying directlyin the interstices between said'core strands, and the core strands, in turn, lying exactly in the interstices-between the sheath strands, each strand of said core a cuted therebetween, and a sheath incasing said core and consisting of a series of strands wound spirally around the same, each pair of sheath strands having an interstice therebetween, said sheath strands having exactly the same lay as the core strandsand lying directly in the interstices between said core strands, and the core strands, in
  • each strand of said core and of said sheath being composed of a series of spirally-wound wires.

Description

P. FREDERICK,
ROPE.
APPLICATION FILED FEB. s, 1911.
Patented Nov. 14, 1911.
a iawwa Jew EDWARD r. FREDERICK, 01' ST. LOUIS, MISSOURI.
ROPE.
Specification of Letters Patent.
Patented Nov. 14, 1911.
Application filed February 6, 1911. Serial No. 606,756.
To all whom it may concern:
Be it known that I, EDWARD P. FREDERICK, a citizen of the United States, residing at the city of St. Louis, State of Missouri, have invented certain new and useful Improvements in Ropes, of which thefollowing is a specification, reference being had therein to the accompanying drawings.
This invention consists of a compound rope or cable. In forming same a new arrangement of the units or component parts is utilized by which greater pliability and increased strength are secured. As thus constructed, this rope has been found of especial serviceability and durability in work on the Panama Canal in connection with ballast unloaders and in the work of relation of the external members'to the grooves or interstices between the internal .members; and Fig. 3 is a transverse section through a rope or cable exhibltmg, also, the
relation of said ternal members. I
For the sake of perspicuity, distinction will hereinafter be made between the use of external members to the inthe terms wires, strands, ropes, and cables.
In the nomenclature of this description, 1 denotes a wire. A group of wires 1 composes a strand- 2. The structure as a whole will hereinafter be termed a compound rope or cable. It has heretofore been customary to form cables of this general character with a core composed of members having their lay in one direction and the external members with their lay in a difi'erent direction. Otherwise stated, the practice in the past has been to disregard divergence in the lay of the outer and inner members, The result has been great variety and conflict in the lay of the wires of the core and of the external units or members combined. therewith to form a rope or cable; In such a structure, members crossing each other at a right angle, or other abrupt angle, abrade each other, and thereby weaken the rope or cable. This drawback is obviated in the present invention bymaking the lay uniformly in the same direction, as shown in the drawings. Furthermore, due to this unlformity of lay, 1t is possible to use strands having larger wires, and thus the maximum strength of the rope or cable is.
increased. Thus, the present invention increases the strength'of a rope'or cable in, at least, two respects.
. A hemp rope 3, or a wire, may be used to form. the center member for the core 4, around which the strands 2 that form the outer layer are wound like a sheath. Interstices or grooves 5 are formed between the strands 2 that form the core 4, said corebeing composed of a plurality of strands 2 formed of wires 1. These interstices receive their shape and direction from the direction of the lay of the strands-2 forming said core.
.The main feature of the present invention consists in imparting to the strands2 forming the sheath or outside layer of the rope or cable the same lay as that of the strands 2 forming the core 4 and, furthermore, in locating the strands 2 composing said sheath or outer layer in the interstices or grooves 5 of the core 4. By reason of the strands 2 of the outer layer or sheath of the rope or cable lying in said interstices or grooves located between the strands 2 forming the core 4, abrasion of both the inner and the outer members is prevented, and it is possible to make a much more compact body than where the lay of the external members isacross, instead of in, said interstices. In this way, with less circumference, greater strength will be obtained than in the oldstyle ropes or cables in which, in the first place, the lay of the outer and inner members was not made uniform, and, in the second place, the members forming the outer between the inner members. Moreover, the flexibility of the rope or cable as a whole is enhanced by all the members having the same lay, as, thereby, they do not bind upon each other.
It will be observed that while interstices 5 are formed on the outside of the core 4 between the strands 2 forming said core, interstices 6 are formed on the inner side of the external sheath layer, and, by reason of the location of the strands 2 of the outer layer in the interstices -5 of the core 4, the strands 2 of said'core lie in the interstices 6 of the outer layer, the interstices 5 and 6 be-' ing thus arranged in staggered relation to each other, by reason whereof the structure as a whole is, when completed, much more c'iosely bound together. The chief advantages of this formation reside in preventing the wires 1 from creeping or twisting out of their places, when the'rope or cable is placed in working service, and thereby obtaining a greater amount of natural wear during the working life thereof, vand also, in producing rope or cable having a greater adaptability to bending stresses and a greater ultimate tensile or breaking strength than is obtained. in a rope or cable ofordinary type or a compound rope or cable composed of strands which do not lie in the interstices of the core. Having thus described my said invention, what I claim and desire to secure by Letters- Patent is: TL-A compound rope or cable comprising a core consisting of a series of spirallywound strands, each pair of which has an interstice therebetween, and a sheath incas ,"lng said core and consisting of a series of 2 {strands wound spirally around the same,
each pair of sheath strands having an interistice therebetween, said sheath strands hav "ing exactly the same lay as the core strands and lying directlyin the interstices between said'core strands, and the core strands, in turn, lying exactly in the interstices-between the sheath strands, each strand of said core a duced therebetween, and a sheath incasing said core and consisting of a series of strands wound spirally around the same, each pair of sheath strands having an interstice therebetween, said sheath strands having exactly the same lay as the core strandsand lying directly in the interstices between said core strands, and the core strands, in
turn, lying exactly in the interstices between the sheath strands, each strand of said core and of said sheath being composed of a series of spirally-wound wires.
In testimony whereof I- hereunto atfix my signature in the presence of two witnesses. EDWARD P. FREDERICK. Witnesses:
GLADYS WALTON, GEORGE G. ANDERSON.
US60675611A 1911-02-06 1911-02-06 Rope. Expired - Lifetime US1009030A (en)

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US60675611A US1009030A (en) 1911-02-06 1911-02-06 Rope.

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2567300A (en) * 1949-06-30 1951-09-11 American Steel & Wire Co Wire rope
DE767343C (en) * 1938-02-02 1952-05-29 Alfred Dietz Tightrope
DE767423C (en) * 1936-12-18 1952-08-07 Alfred Dietz Stranded spiral rope with several strand layers
US3079460A (en) * 1959-04-10 1963-02-26 Gar Wood Ind Inc Welding cable
US3181291A (en) * 1962-11-13 1965-05-04 Jones & Laughlin Steel Corp Wire rope configuration
US5834699A (en) * 1996-02-21 1998-11-10 The Whitaker Corporation Cable with spaced helices
US6030346A (en) * 1996-02-21 2000-02-29 The Whitaker Corporation Ultrasound imaging probe assembly
US6117083A (en) * 1996-02-21 2000-09-12 The Whitaker Corporation Ultrasound imaging probe assembly
US6658836B2 (en) 2001-03-14 2003-12-09 The Goodyear Tire & Rubber Company Hybrid cord
US10276692B1 (en) 2017-11-30 2019-04-30 Taiwan Semiconductor Manufacturing Co., Ltd. Fin diode structure and methods thereof
WO2023109984A1 (en) * 2021-12-15 2023-06-22 AŽD Praha s.r.o. A cable and rail connector

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767423C (en) * 1936-12-18 1952-08-07 Alfred Dietz Stranded spiral rope with several strand layers
DE767343C (en) * 1938-02-02 1952-05-29 Alfred Dietz Tightrope
US2567300A (en) * 1949-06-30 1951-09-11 American Steel & Wire Co Wire rope
US3079460A (en) * 1959-04-10 1963-02-26 Gar Wood Ind Inc Welding cable
US3181291A (en) * 1962-11-13 1965-05-04 Jones & Laughlin Steel Corp Wire rope configuration
US5834699A (en) * 1996-02-21 1998-11-10 The Whitaker Corporation Cable with spaced helices
US6030346A (en) * 1996-02-21 2000-02-29 The Whitaker Corporation Ultrasound imaging probe assembly
US6117083A (en) * 1996-02-21 2000-09-12 The Whitaker Corporation Ultrasound imaging probe assembly
US6658836B2 (en) 2001-03-14 2003-12-09 The Goodyear Tire & Rubber Company Hybrid cord
US10276692B1 (en) 2017-11-30 2019-04-30 Taiwan Semiconductor Manufacturing Co., Ltd. Fin diode structure and methods thereof
US10910483B2 (en) 2017-11-30 2021-02-02 Taiwan Semiconductor Manufacturing Co., Ltd. Fin diode structure and methods thereof
WO2023109984A1 (en) * 2021-12-15 2023-06-22 AŽD Praha s.r.o. A cable and rail connector

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