US861230A - Wire rope. - Google Patents
Wire rope. Download PDFInfo
- Publication number
- US861230A US861230A US30311306A US1906303113A US861230A US 861230 A US861230 A US 861230A US 30311306 A US30311306 A US 30311306A US 1906303113 A US1906303113 A US 1906303113A US 861230 A US861230 A US 861230A
- Authority
- US
- United States
- Prior art keywords
- rope
- wires
- strands
- wire
- tapering
- 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.)
- Expired - Lifetime
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Classifications
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
- D07B1/0673—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core having a rope configuration
- D07B1/0686—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core having a rope configuration characterised by the core design
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B5/00—Making ropes or cables from special materials or of particular form
- D07B5/005—Making ropes or cables from special materials or of particular form characterised by their outer shape or surface properties
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/10—Rope or cable structures
- D07B2201/1024—Structures that change the cross-sectional shape
Definitions
- This invention has reference to an improved method of manufacturing wire ropes for haulage, hoisting and other purposes and to the tapered wire rope or product so produced; and essentially consists in dropping or removing one or more wires from the outside layer of each strand, and changing the diameter of the inside'or core wires, or reducing their number at the various steps or reductions, so as to produce a tapered wire rope.
- the main feature of my improvements is an alteration in the circumference or diameter of the rope by reduc ing or increasing the number of wire filaments in each strand and so varying the size of the ropes made in this way in any length or size in the ordinary construction
- With the wires laid in one direction and the strands in the other direction in construction usually termed Langs or Albert lay with the wires and strands laid in the same direction right or left, or in the make of rope called flattened strand either in Langs or ordinary construction.
- Wire ropes made in this way can have any number of strands from 3 to 9 and from 5 to 91 wires per strand.
- FIG. 1 represents four inner wires as covered with ten outer wires.
- Fig. 2 illustrates the strands as having three inner wires as covered with nine outer wires, both the outer and inner wires of the strands shown in Fig. 1 having each a wire removed to reduce the diameter and produce a taper on the complete rope.
- Fig. 3 illustrates the strands as having seven inner wires and eleven outer wires, and
- Fig. 4 illustrates same with seven inner wires and ten outer wires, the outer wires being one less than in Fig. 3, and the inner Wires the same as in Fig. 3 but reduced in diameter to give the tapered formation to rope.
- Fig. 5 is a plan view of the rope showing its tapering form, with cross sections at several points to show the diminishing number of strands.
- the novel feature of the invention is to make a rope tapering from one size to another, keeping the outside wires a of strands always the same size to avoid welds or brazes, but at the various steps or reductions in size to drop a wire from the outside layer a (which wire is broken off or tucked into the center when the strands are being laid into rope); and to maintain the evenness of the strands to either reduce the number of the inside wires b by one or more, or reduce the diameter of these inside wires. In this way a rope can be reduced by any given size at each step.
- a rope measures 1 inches at thickest end is made as shown in Fig. 1 of six strands with 10 outside wires 0. decimal .110 and 4 inside wires b each of same size decimal .110 in center of strand.
- the size of rope is reduced to 1 inches diameter.
- a rope which measures 1 inches diameter at thickest end with six strands each having 11 outside wires a of decimal .103 and seven inside wires b of decimal .092 by removing as shown in Fig. 4 one wire from each of the outside strands a and reducing the diameter of each of the inside wires b to decimal .082 inches, the outside diameter of rope is reduced to inches.
- the same process is followed in taking a further wire or more from the outside and a corresponding reduction in the number or in the diameter of the inside or core wires.
- the center core 0 round which the strands are spun can be made of jute, hemp, manila, and other fibrous material, and of iron or steel or of a combination of any of the above named materials, which is also reduced in size at each step.
- a tapering rope having strands composed of a plurality of filaments, diminishing in number throughout its length.
- a tapering rope having strands composed of a plurality of filaments diminishing in number and a tapering core for said rope.
- a tapering rope having strands composed of a plu rality of filaments diminishing in number and a tapering core for each of said strands.
- a tapering rope having a tapering core composed of a diminishing number of filaments.
- a tapering rope having strands composed of a diminishing number of filaments in their outer layer, a tapering core having a diminishing number of filaments for each of said strands, and a tapering core for the rope.
Landscapes
- Ropes Or Cables (AREA)
Description
v NOi 861,230. 1 PATENTED JULY 23, 1907. A.B.ALLAN.
WIRE ROPE.
APPLICATION FILED FEB. 26, 1906.
WITNESSES Q Q 5 ZZ f7 INVENTOR MM 40mm 6441M ATTORNEYS -11! NORRIS PETERS co;,'wAs'l-|marnu, u, c.
PATENTED JULY 23, 1907. A. B. ALLAN.
WIRE ROPE. APPLICATION 21mm IEB.2B,1906.
2 SHEETS-SHEET 2.
w l'mi'zssEs ATTORNEYS ALEXANDER B. ALLAN, OF GLASGOW, SOOTIZAND.
WIRE ROPE.
Specification of Letters Patent.
Patented July 23, 1907.
Application filed February 26, 1906. Serial No. 303.113.
To all whom it may concern:
Be it known that I, ALEXANDER BRANDER ALLAN, wire-rope manufacturer, a subject of the King of Great Britain and Ireland, and a resident of Rutherglen, Glasgow, Scotland, have invented certain new and useful Improvements in Wire Ropes, of which the following is a specification, and for which a patent has been applied for in Great Britain, No. 13,057, dated the 24th June, 1905.
This invention has reference to an improved method of manufacturing wire ropes for haulage, hoisting and other purposes and to the tapered wire rope or product so produced; and essentially consists in dropping or removing one or more wires from the outside layer of each strand, and changing the diameter of the inside'or core wires, or reducing their number at the various steps or reductions, so as to produce a tapered wire rope.
The main feature of my improvements is an alteration in the circumference or diameter of the rope by reduc ing or increasing the number of wire filaments in each strand and so varying the size of the ropes made in this way in any length or size in the ordinary construction With the wires laid in one direction and the strands in the other direction, in construction usually termed Langs or Albert lay with the wires and strands laid in the same direction right or left, or in the make of rope called flattened strand either in Langs or ordinary construction. Wire ropes made in this way can have any number of strands from 3 to 9 and from 5 to 91 wires per strand. And in order that my said invention and the manner of carrying same into practice may be properly understood I have hereunto appended a sheet of explanatory diagrammatic drawings of transverse sections of wire ropes each with six strands of wire, in which Figure 1 represents four inner wires as covered with ten outer wires. Fig. 2 illustrates the strands as having three inner wires as covered with nine outer wires, both the outer and inner wires of the strands shown in Fig. 1 having each a wire removed to reduce the diameter and produce a taper on the complete rope. Fig. 3 illustrates the strands as having seven inner wires and eleven outer wires, and Fig. 4 illustrates same with seven inner wires and ten outer wires, the outer wires being one less than in Fig. 3, and the inner Wires the same as in Fig. 3 but reduced in diameter to give the tapered formation to rope. Fig. 5 is a plan view of the rope showing its tapering form, with cross sections at several points to show the diminishing number of strands.
Referring to these drawings :the novel feature of the invention is to make a rope tapering from one size to another, keeping the outside wires a of strands always the same size to avoid welds or brazes, but at the various steps or reductions in size to drop a wire from the outside layer a (which wire is broken off or tucked into the center when the strands are being laid into rope); and to maintain the evenness of the strands to either reduce the number of the inside wires b by one or more, or reduce the diameter of these inside wires. In this way a rope can be reduced by any given size at each step.
As an example a rope measures 1 inches at thickest end is made as shown in Fig. 1 of six strands with 10 outside wires 0. decimal .110 and 4 inside wires b each of same size decimal .110 in center of strand. By taking 1 wire from each of both the outside wires a and from the inside wires 1) as shown in Fig. 2 the size of rope is reduced to 1 inches diameter.
Alternatively as shown in Fig. 3 with a rope which measures 1 inches diameter at thickest end with six strands each having 11 outside wires a of decimal .103 and seven inside wires b of decimal .092, by removing as shown in Fig. 4 one wire from each of the outside strands a and reducing the diameter of each of the inside wires b to decimal .082 inches, the outside diameter of rope is reduced to inches. The same process is followed in taking a further wire or more from the outside and a corresponding reduction in the number or in the diameter of the inside or core wires. The center core 0 round which the strands are spun can be made of jute, hemp, manila, and other fibrous material, and of iron or steel or of a combination of any of the above named materials, which is also reduced in size at each step.
Having now described my invention, what I claim as new, and desire to secure by Letters Patent is 1. A tapering rope having a diminishing number of ma ments.
-2. A tapering rope having strands composed of a plurality of filaments, diminishing in number throughout its length.
3. A tapering rope having strands composed of a plurality of filaments diminishing in number and a tapering core for said rope.
4. A tapering rope having strands composed of a plu rality of filaments diminishing in number and a tapering core for each of said strands.
5. A tapering rope having a tapering core composed of a diminishing number of filaments.
6. A tapering rope having strands composed of a diminishing number of filaments in their outer layer, a tapering core having a diminishing number of filaments for each of said strands, and a tapering core for the rope.
In testimony whereof I have signed my name to this specification, in the presence of two subscribing witnesses.
ALEX. B. ALLAN.
Witnesses R. C. THOMSON, WM. RUTHERFORD.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US30311306A US861230A (en) | 1906-02-26 | 1906-02-26 | Wire rope. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US30311306A US861230A (en) | 1906-02-26 | 1906-02-26 | Wire rope. |
Publications (1)
Publication Number | Publication Date |
---|---|
US861230A true US861230A (en) | 1907-07-23 |
Family
ID=2929683
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US30311306A Expired - Lifetime US861230A (en) | 1906-02-26 | 1906-02-26 | Wire rope. |
Country Status (1)
Country | Link |
---|---|
US (1) | US861230A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3092956A (en) * | 1960-09-08 | 1963-06-11 | Macwhyte Company | 7-strand wire rope |
US4827708A (en) * | 1986-09-23 | 1989-05-09 | Drahtseilwerk Saar Gmbh | Wire rope |
-
1906
- 1906-02-26 US US30311306A patent/US861230A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3092956A (en) * | 1960-09-08 | 1963-06-11 | Macwhyte Company | 7-strand wire rope |
US4827708A (en) * | 1986-09-23 | 1989-05-09 | Drahtseilwerk Saar Gmbh | Wire rope |
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