US2737075A - Cord structure - Google Patents
Cord structure Download PDFInfo
- Publication number
- US2737075A US2737075A US308104A US30810452A US2737075A US 2737075 A US2737075 A US 2737075A US 308104 A US308104 A US 308104A US 30810452 A US30810452 A US 30810452A US 2737075 A US2737075 A US 2737075A
- Authority
- US
- United States
- Prior art keywords
- casings
- core
- cord structure
- cord
- casing
- 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
- D07B1/02—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics
- D07B1/04—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics with a core of fibres or filaments arranged parallel to the centre line
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/02—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics
-
- 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
- D07B2201/1092—Parallel strands
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
- D07B2201/2088—Jackets or coverings having multiple layers
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
- D07B2201/209—Jackets or coverings comprising braided structures
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
- D07B2201/2091—Jackets or coverings being movable relative to the internal structure
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2401/00—Aspects related to the problem to be solved or advantage
- D07B2401/20—Aspects related to the problem to be solved or advantage related to ropes or cables
- D07B2401/2005—Elongation or elasticity
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2401/00—Aspects related to the problem to be solved or advantage
- D07B2401/20—Aspects related to the problem to be solved or advantage related to ropes or cables
- D07B2401/205—Avoiding relative movement of components
Definitions
- This invention relates in general to cord structures, and more specifically to cords'which include braided casings.
- the primary object of this invention is to provide an improved cord structure which-is formed of a core and a plurality of casings, said core and casings having equal elongations whereby the same break simultaneously to produce a cord having a maximum strength.
- Another object of this invention is to provide an improved cord structure which includes a core having surrounded the same a plurality of casings, said casings being normally independent of said core whereby a maximum of flexibility is obtained.
- Another object of this invention is to provide an improved cord structure which includes a core and a pinrality of casings surrounding the same and extending coaxially therewith, said casings reducing in cross-section when tensioned so as to interlock with adjacent casings and the core.
- a further object of this invention is to provide an improved cord structure which may be formed with existing braiding machines, said cord structure including a flexible core having surrounding the same a plurality of braided casings, said casings being normally independent of said core, and being adapted to form an integral unit therewith when placed under tension.
- Figure 1 is a side elevational view of the cord structure which is the subject of this invention, the cord structure having one end thereof broken off and the other end thereof having the casings cut off at different points to show the relationship thereof.
- Figure 2 is a transverse sectional view taken substantially upon the plane located by the section line 22 of Figure 1 and shows the general cross-section of the cord structure;
- Figure 3 is an enlarged view of a section of one of the casings, and shows the construction of the braiding thereof.
- the cord construction which is the subject of this invention, the cord construction being referred to in general by the reference numeral 10.
- the cord construction includes a flexible core 12 which is formed of a plurality of twisted strands 14. Surrounding the core 12 and extending coaxially therewith is a first casing 16.
- the casing 16 is formed of a plurality of strands 18 which are braided together.
- the second casing 20 is of a similar construction to the casing 16 and extends coaxially therewith.
- the casing 20 is formed of a plurality of strands 22 which are braided together.
- the outer casing 24 Surrounding both the casing 16 and 20 and the core 12 is an outer casing 24.
- the outer casing 24 extends coaxially with the casings 16 and 20, and is also similarly formed.
- the casing 24 is formed of a plurality of strands 26 which are braided together.
- Each of the strands which are utilized forforming the core 12 and the casings 16, 20 and 24, isof a similar construction and is formed of a plurality of threads twisted together.
- the number of strands required to form the core and the casings may vary as desired in order to provide the desired cord structure.
- the casings 16, 20 and 24 loosely surround the next inner portion of the cord structure and are freely slidable thereon. Due to this novel arrangement, each of the casings is independent from the other casings and from the core 12.
- the relationship of the casings to the core and the other-casings is such when they are placed under tension they act in the same manner as the conventional Chinese finger-trap to tightly grip and to interlock with the next inner portion of the cord structure.
- the gripping and interlocking action of the casings is simultaneous so that the casings and the core function as a unit to equally resist tensional forces exerted thereon.
- the casings and the core will break simultaneously.
- the casings and the core are so formed that the elongations are equal and the load on the cord structure is properly divided between the core and the casings.
- a typical cord conforming to the spirit of this invention would have the following construction:
- carrier 26 picks/inch Yarn, 210/3 Outside cover:
- carrier 26 picks/inch Yarn, 210/3
- the above cord when formed of nylon was tested under test procedures set forth in the Federal Specification CCC-T-191b, Textile Test Methods, 15 May 1951.
- the test samples were conditioned at 65-32% relative humidity and 70:2 F. for 6 hours prior to the test.
- a cord structure which includes a core having a plurality of casings loosely disposed thereon when relaxed and being adapted to tightly interlock with the same to form an integral unit when under tension, a cord structure of maximum strengthmay beproduced when the elongation of the core and the casings are equal.
- a cord construction comprising .a core, a plurality of successive casings surrounding said core and coaxial therewith, ,sa'id casings being slidable with respect to each other and to said core when in a relaxed state and tightly interlocked therewith and with each other when under tension, said core being formed of a plurality of strands, each of said casings being formed said core and said casings being equal.
Description
March 1956 e. H. POlRlER ETAL 2,737,075
' CORD STRUCTURE Filed Sept. 5, 1952 Fig.
L 26 George H. Pair/er Homer J. Pele/ml INVENTOR.
BY w -M Unied Stat Q CORD STRUCTURE George H. Poirier, Woonsocket, and Homer J. Pelchat,
' Rumford, R. I.
Application September 5, 1952, Serial No. 308,104 2 Claims. (Cl. 87-6) This invention relates in general to cord structures, and more specifically to cords'which include braided casings.
The primary object of this invention is to provide an improved cord structure which-is formed of a core and a plurality of casings, said core and casings having equal elongations whereby the same break simultaneously to produce a cord having a maximum strength.
Another object of this invention is to provide an improved cord structure which includes a core having surrounded the same a plurality of casings, said casings being normally independent of said core whereby a maximum of flexibility is obtained.
Another object of this invention is to provide an improved cord structure which includes a core and a pinrality of casings surrounding the same and extending coaxially therewith, said casings reducing in cross-section when tensioned so as to interlock with adjacent casings and the core.
A further object of this invention is to provide an improved cord structure which may be formed with existing braiding machines, said cord structure including a flexible core having surrounding the same a plurality of braided casings, said casings being normally independent of said core, and being adapted to form an integral unit therewith when placed under tension.
With these objects definitely in view, this invention resides in certain novel features of construction, combination and arrangement of elements and portions as will be hereinafter described in detail in the specification, particularly pointed out in the appended claims, and illustrated in the accompanying drawings which form a material part of this application and in which:
Figure 1 is a side elevational view of the cord structure which is the subject of this invention, the cord structure having one end thereof broken off and the other end thereof having the casings cut off at different points to show the relationship thereof.
Figure 2 is a transverse sectional view taken substantially upon the plane located by the section line 22 of Figure 1 and shows the general cross-section of the cord structure;
Figure 3 is an enlarged view of a section of one of the casings, and shows the construction of the braiding thereof.
Similar characters of reference designate similar or identical elements and portions throughout the specification and throughout the different views of the drawings.
Referring now to the drawings in detail, it will be seen that there is illustrated in Figure l the cord construction which is the subject of this invention, the cord construction being referred to in general by the reference numeral 10. The cord construction includes a flexible core 12 which is formed of a plurality of twisted strands 14. Surrounding the core 12 and extending coaxially therewith is a first casing 16. The casing 16 is formed of a plurality of strands 18 which are braided together.
Surrounding both the casing 16 and the core 12 is a sec- 2,737,075 7 1?? fre 1.95s
Surrounding both the casing 16 and 20 and the core 12 is an outer casing 24. The outer casing 24 extends coaxially with the casings 16 and 20, and is also similarly formed. The casing 24 is formed of a plurality of strands 26 which are braided together.
While there has been illustrated three separate casings surrounding the core 12, it will be understood that the number of casings may be varied. as desired to produce the desired strength and size of cord.
Each of the strands which are utilized forforming the core 12 and the casings 16, 20 and 24, isof a similar construction and is formed of a plurality of threads twisted together. The number of strands required to form the core and the casings may vary as desired in order to provide the desired cord structure. I
In order that a maximum of flexibility may be obtained, the casings 16, 20 and 24 loosely surround the next inner portion of the cord structure and are freely slidable thereon. Due to this novel arrangement, each of the casings is independent from the other casings and from the core 12.
The relationship of the casings to the core and the other-casings is such when they are placed under tension they act in the same manner as the conventional Chinese finger-trap to tightly grip and to interlock with the next inner portion of the cord structure. The gripping and interlocking action of the casings is simultaneous so that the casings and the core function as a unit to equally resist tensional forces exerted thereon.
In order that maximum strength may be obtained from the cord structure 10, it is desired that the casings and the core will break simultaneously. In order that this may be possible, the casings and the core are so formed that the elongations are equal and the load on the cord structure is properly divided between the core and the casings. By forming a cord structure which includes a core and a plurality of casings which when relaxed act independently of each other so as to permit maximum flexibility and when under tension, interlock and function as an integral unit, it will be seen that the cord structure having maximum flexibility as well as maximum strength per unit of weight may be produced.
A typical cord conforming to the spirit of this invention would have the following construction:
Core yarn, 210/5/3 Ends, 7 Inner cover:
32, carrier 26 picks/inch Yarn, 210/3 Outside cover:
36, carrier 26 picks/inch Yarn, 210/3 The above cord when formed of nylon was tested under test procedures set forth in the Federal Specification CCC-T-191b, Textile Test Methods, 15 May 1951. The test samples were conditioned at 65-32% relative humidity and 70:2 F. for 6 hours prior to the test.
The results obtained in the test were as follows:
Breaking strength -925 lbs. Elongation 53.0 yds./lb. (35%) Other experiments were made with cords of similar construction in which the elongation of the various casings and the core were not identical. In such cases 3 the breaking strength was much less than that set forth above.
In view of the foregoing, it will be seen that by providing a cord structure which includes a core having a plurality of casings loosely disposed thereon when relaxed and being adapted to tightly interlock with the same to form an integral unit when under tension, a cord structure of maximum strengthmay beproduced when the elongation of the core and the casings are equal.
Minor modifications .of the cord structure vary in minor details from the embodiment of the cord structure illustrated and described here, .may be resorted to without departure from thespirit and scope of this invention, .asdefined in the independent claims.
Having described the invention, what is claimed as new is:
1. A cord construction comprising .a core, a plurality of successive casings surrounding said core and coaxial therewith, ,sa'id casings being slidable with respect to each other and to said core when in a relaxed state and tightly interlocked therewith and with each other when under tension, said core being formed of a plurality of strands, each of said casings being formed said core and said casings being equal.
References Cited in the file of this patent UNITED STATES PATENTS I 341,219 Cadbury May 4, 1886 590,199 Ziegler Sept. 14, 1897 752,414 Price Feb. 16, 1904 2,093,838 Kellems Sept. 21, 1937 2,291,568 Balch July 28, 1942 2,452,228 Dawes a -Oct. 26, 1948 2,549,382 Mitterway Apr. 17, 1951 FOREIGN PATENTS 3,145 Australia V. July 20, .1931 282,534 Great Britain-.. Dec. 29, .1927 482,932 Great Britain Apr. 7, 1938
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US308104A US2737075A (en) | 1952-09-05 | 1952-09-05 | Cord structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US308104A US2737075A (en) | 1952-09-05 | 1952-09-05 | Cord structure |
Publications (1)
Publication Number | Publication Date |
---|---|
US2737075A true US2737075A (en) | 1956-03-06 |
Family
ID=23192561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US308104A Expired - Lifetime US2737075A (en) | 1952-09-05 | 1952-09-05 | Cord structure |
Country Status (1)
Country | Link |
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US (1) | US2737075A (en) |
Cited By (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2979982A (en) * | 1956-02-29 | 1961-04-18 | Shuford Mills Inc | Buoyant cordage |
US3030851A (en) * | 1959-02-06 | 1962-04-24 | Glanzstoff Ag | Mountaineering ropes |
US3036490A (en) * | 1957-09-18 | 1962-05-29 | Glanzstoff Ag | Mountaineering ropes |
US3073209A (en) * | 1959-01-16 | 1963-01-15 | Glanzstoff Ag | Mountaineering ropes of core-mantle structure |
US3078755A (en) * | 1961-01-27 | 1963-02-26 | Samson Cordage Works | Braided cordage |
US3130630A (en) * | 1962-10-02 | 1964-04-28 | Thomas Taylor & Sons Inc | Elastically stretchable cordage |
US3187752A (en) * | 1962-04-27 | 1965-06-08 | American Cyanamid Co | Non-absorbable silicone coated sutures and method of making |
US3911785A (en) * | 1974-01-18 | 1975-10-14 | Wall Ind Inc | Parallel yarn rope |
EP0020130A1 (en) * | 1979-05-30 | 1980-12-10 | Marlow Ropes Limited | Ropes |
US4321854A (en) * | 1979-06-01 | 1982-03-30 | Berkley & Company, Inc. | Composite line of core and jacket |
US4412474A (en) * | 1980-08-29 | 1983-11-01 | Tokyo Rope Manufacturing Co., Ltd. | Fiber cordage |
US4640178A (en) * | 1984-02-01 | 1987-02-03 | Teufelberger Gesellschaft M.B.H. | Rope |
US4640179A (en) * | 1984-06-25 | 1987-02-03 | Cameron Robert W | Composite metallic core line |
FR2627784A1 (en) * | 1988-02-26 | 1989-09-01 | Thomson Csf | Towing cable for linear seismic prospecting antenna - with elastic core and sheath deforming until point where it stiffens under traction |
US5823925A (en) * | 1985-11-08 | 1998-10-20 | Blodgett & Blodgett, P.C. | Stretching apparatus using elastic cords |
US6099961A (en) * | 1997-05-07 | 2000-08-08 | Petroleo Brasileiro S.A.-Petrobras | Synthetic cable provided with protection against soil ingress |
US20050192581A1 (en) * | 2004-02-27 | 2005-09-01 | Molz Fred J. | Radiopaque, coaxial orthopedic tether design and method |
EP2028308A3 (en) * | 2007-08-14 | 2009-03-18 | New England Ropes Corp. | Climbing rope comprising two braided layers |
US20100094423A1 (en) * | 2008-10-15 | 2010-04-15 | Warsaw Orthopedic, Inc. | Systems and methods for assessment of tension in an implant |
US20100162882A1 (en) * | 2007-08-14 | 2010-07-01 | Shakespeare William C | Arborist's climbing rope |
CN101906699A (en) * | 2010-07-06 | 2010-12-08 | 北京光华纺织集团有限公司 | Ribbon braided rope |
US20110005039A1 (en) * | 2009-07-08 | 2011-01-13 | Ganz Jonathan E | Temporary sheet splice apparatus and method |
WO2017013107A1 (en) | 2015-07-22 | 2017-01-26 | Teufelberger Fiber Rope Gmbh | Rope made of textile fiber material |
US20190301089A1 (en) * | 2016-04-11 | 2019-10-03 | Lankhorst Euronete Portugal, S.A. | Hoisting rope |
US11883243B2 (en) | 2019-10-31 | 2024-01-30 | Orthopediatrics Corp. | Assessment of tension between bone anchors |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US341219A (en) * | 1886-05-04 | Joel cadbtjet and joseph geoege eollason | ||
US590199A (en) * | 1897-09-14 | Elastic covered cord | ||
US752414A (en) * | 1904-02-16 | Covered elastic cord | ||
GB282534A (en) * | 1926-11-08 | 1927-12-29 | Luke Turner & Co Ltd | Improvements in or relating to covered elastic cords, rings, bands and the like |
AU314531A (en) * | 1931-07-20 | 1932-08-11 | Percy Adamson | Correction of clerical error |
US2093838A (en) * | 1936-02-17 | 1937-09-21 | Kellems Products Inc | Gripping device |
GB482932A (en) * | 1937-02-23 | 1938-04-07 | James R Kendrick Co Inc | Improvements in elastic threads |
US2291568A (en) * | 1941-10-29 | 1942-07-28 | Union Asbestos & Rubber Co | Tube covering and method of making |
US2452228A (en) * | 1947-03-25 | 1948-10-26 | Robert T Dawes | Elastic parachute shroud and method of making it |
US2549382A (en) * | 1949-07-22 | 1951-04-17 | White S Dental Mfg Co | Braided driving belt |
-
1952
- 1952-09-05 US US308104A patent/US2737075A/en not_active Expired - Lifetime
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US341219A (en) * | 1886-05-04 | Joel cadbtjet and joseph geoege eollason | ||
US590199A (en) * | 1897-09-14 | Elastic covered cord | ||
US752414A (en) * | 1904-02-16 | Covered elastic cord | ||
GB282534A (en) * | 1926-11-08 | 1927-12-29 | Luke Turner & Co Ltd | Improvements in or relating to covered elastic cords, rings, bands and the like |
AU314531A (en) * | 1931-07-20 | 1932-08-11 | Percy Adamson | Correction of clerical error |
US2093838A (en) * | 1936-02-17 | 1937-09-21 | Kellems Products Inc | Gripping device |
GB482932A (en) * | 1937-02-23 | 1938-04-07 | James R Kendrick Co Inc | Improvements in elastic threads |
US2291568A (en) * | 1941-10-29 | 1942-07-28 | Union Asbestos & Rubber Co | Tube covering and method of making |
US2452228A (en) * | 1947-03-25 | 1948-10-26 | Robert T Dawes | Elastic parachute shroud and method of making it |
US2549382A (en) * | 1949-07-22 | 1951-04-17 | White S Dental Mfg Co | Braided driving belt |
Cited By (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2979982A (en) * | 1956-02-29 | 1961-04-18 | Shuford Mills Inc | Buoyant cordage |
US3036490A (en) * | 1957-09-18 | 1962-05-29 | Glanzstoff Ag | Mountaineering ropes |
US3073209A (en) * | 1959-01-16 | 1963-01-15 | Glanzstoff Ag | Mountaineering ropes of core-mantle structure |
US3030851A (en) * | 1959-02-06 | 1962-04-24 | Glanzstoff Ag | Mountaineering ropes |
DE1173823B (en) * | 1959-02-06 | 1964-07-09 | Glanzstoff Ag | Safety mountain rope |
US3078755A (en) * | 1961-01-27 | 1963-02-26 | Samson Cordage Works | Braided cordage |
US3187752A (en) * | 1962-04-27 | 1965-06-08 | American Cyanamid Co | Non-absorbable silicone coated sutures and method of making |
US3130630A (en) * | 1962-10-02 | 1964-04-28 | Thomas Taylor & Sons Inc | Elastically stretchable cordage |
US3911785A (en) * | 1974-01-18 | 1975-10-14 | Wall Ind Inc | Parallel yarn rope |
EP0020130A1 (en) * | 1979-05-30 | 1980-12-10 | Marlow Ropes Limited | Ropes |
US4321854A (en) * | 1979-06-01 | 1982-03-30 | Berkley & Company, Inc. | Composite line of core and jacket |
US4412474A (en) * | 1980-08-29 | 1983-11-01 | Tokyo Rope Manufacturing Co., Ltd. | Fiber cordage |
US4640178A (en) * | 1984-02-01 | 1987-02-03 | Teufelberger Gesellschaft M.B.H. | Rope |
US4640179A (en) * | 1984-06-25 | 1987-02-03 | Cameron Robert W | Composite metallic core line |
US5823925A (en) * | 1985-11-08 | 1998-10-20 | Blodgett & Blodgett, P.C. | Stretching apparatus using elastic cords |
FR2627784A1 (en) * | 1988-02-26 | 1989-09-01 | Thomson Csf | Towing cable for linear seismic prospecting antenna - with elastic core and sheath deforming until point where it stiffens under traction |
US6099961A (en) * | 1997-05-07 | 2000-08-08 | Petroleo Brasileiro S.A.-Petrobras | Synthetic cable provided with protection against soil ingress |
US20050192581A1 (en) * | 2004-02-27 | 2005-09-01 | Molz Fred J. | Radiopaque, coaxial orthopedic tether design and method |
EP2028308A3 (en) * | 2007-08-14 | 2009-03-18 | New England Ropes Corp. | Climbing rope comprising two braided layers |
US7703372B1 (en) | 2007-08-14 | 2010-04-27 | New England Ropes Corp. | Climbing rope |
US20100162882A1 (en) * | 2007-08-14 | 2010-07-01 | Shakespeare William C | Arborist's climbing rope |
US8136438B2 (en) | 2007-08-14 | 2012-03-20 | New England Ropes Corp. | Arborist's climbing rope |
US20100094423A1 (en) * | 2008-10-15 | 2010-04-15 | Warsaw Orthopedic, Inc. | Systems and methods for assessment of tension in an implant |
US20110005039A1 (en) * | 2009-07-08 | 2011-01-13 | Ganz Jonathan E | Temporary sheet splice apparatus and method |
US8225462B2 (en) * | 2009-07-08 | 2012-07-24 | Ganz Jonathan E | Temporary sheet splice apparatus and method |
CN101906699B (en) * | 2010-07-06 | 2011-09-07 | 北京光华纺织集团有限公司 | Ribbon braided rope |
CN101906699A (en) * | 2010-07-06 | 2010-12-08 | 北京光华纺织集团有限公司 | Ribbon braided rope |
WO2017013107A1 (en) | 2015-07-22 | 2017-01-26 | Teufelberger Fiber Rope Gmbh | Rope made of textile fiber material |
US11319665B2 (en) | 2015-07-22 | 2022-05-03 | Tuefelberger Fiber Rope Gmbh | Rope made of textile fiber material |
US20190301089A1 (en) * | 2016-04-11 | 2019-10-03 | Lankhorst Euronete Portugal, S.A. | Hoisting rope |
US10954629B2 (en) * | 2016-04-11 | 2021-03-23 | Lankhorst Euronete Portugal, S.A. | Hoisting rope |
US11883243B2 (en) | 2019-10-31 | 2024-01-30 | Orthopediatrics Corp. | Assessment of tension between bone anchors |
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