GB1578858A - Wire-rope with load-carrying core fibres - Google Patents
Wire-rope with load-carrying core fibres Download PDFInfo
- Publication number
- GB1578858A GB1578858A GB8575/77A GB857577A GB1578858A GB 1578858 A GB1578858 A GB 1578858A GB 8575/77 A GB8575/77 A GB 8575/77A GB 857577 A GB857577 A GB 857577A GB 1578858 A GB1578858 A GB 1578858A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rope
- wire
- steel
- fibres
- fibre
- 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
Links
Classifications
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
- D07B1/141—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising liquid, pasty or powder agents, e.g. lubricants or anti-corrosive oils or greases
- D07B1/142—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising liquid, pasty or powder agents, e.g. lubricants or anti-corrosive oils or greases for ropes or rope components built-up from fibrous or filamentary material
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/005—Composite ropes, i.e. ropes built-up from fibrous or filamentary material and metal wires
-
- 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
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2047—Cores
- D07B2201/2067—Cores characterised by the elongation or tension behaviour
- D07B2201/2068—Cores characterised by the elongation or tension behaviour having a load bearing function
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/20—Organic high polymers
- D07B2205/2046—Polyamides, e.g. nylons
- D07B2205/205—Aramides
-
- 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
- D07B2401/2055—Improving load capacity
-
- 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
- D07B2401/206—Improving radial flexibility
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2501/00—Application field
- D07B2501/20—Application field related to ropes or cables
- D07B2501/2061—Ship moorings
Description
(54) WIRE-ROPE WITH LOAD-CARRYING CORE FIBRES
(71) We ELKEM-SPIGERVERKET
A/S, a Company incorporated under the laws of Norway of, Elkemhuset, Middelthunsgate 27, Oslo 3, Norway, do hereby declare the invention, for which we pray that a patent may be granted to us, and the method by which it is to be performed, to be particularly described in and by the following statement:
The invention relates to steel-wire-ropes with load-carrying core fibres.
A steel-wire-rope consists as known of several parts (or strands) which are laid helically around a central part (the core).
The parts (or strands) of which the steelwire-rope is built up, consist of wires and/or fibres or fibre yarns which are also laid helically around a central part or core.
The cores as well as a number of the strands can ccnsist of steel wire alone, or of fibre or fibre yarns, possibly also a combination of steel wire and fibre or fibre yarns.
Fibre or fibre yarns in the above mentioned combination is used in wire-rope where there is desired a flexible rope combined with lower weight as compared with a rope which is built up of only steel wires.
The fibre material which has been used up till now, that is natural fibre, e.g. sisal, manila, jute, hemp, cotton, etc., of manmade fibre, e.g. propylene, nylon 6 and 6.6, polyester, poly vinyl chloride and similar fibres of thermoplastic and/or thermosetting material, have physical properties, (breaking strength, elongation etc.) which are far below those of the steel wire, and these types of fibres can therefore not be used as loadcarrying elements. Their function has up till now been to carry the lubricants and/or impregnants which are necessary to prevent the penetration of moisture; which will cause corrosion, into the rope, and at the same time to prevent excessive friction between the fibres, and lubricate the steel wires from inside as the steel-wire-rope is used. The fibre core give important support to the cross-section crush resistance of the rope.
Accordingly the present invention provides a steel-wire-rope incorporating a core of aromatic polyamide fibres, which fibres act as load carrying elements. The polyamide fibres may be formed of material such as that known under the trade name ARENCA" or " KEVLAR", which materials have proved to ha e sufficient strength to be utilized as load-carrying elements together with the steel elements.
In this way there is obtained a flexible steel-wire-rope with low weight and high breaking strength, in which at the same time the fibres may be lubricated and/or impregnated with lubricant.
With certain so-called spring lay ropes produced according to the invention, there was obtained an increase in the breaking load of 113, whilst the weight of the rope is increased by only 17% in relation to the 1SO-standard.
In other types of steel wire rope which have been produced according to the invention there was obtained an increase in breaking load of 40--100% while the weight of the rope was only increased by 3-5% in relation to the ISO-standards.
The advantages derived from the invention are:
1. Considerable increase of the breaking
load for most wire-rope constructions.
2. Higher flexibility, use of smaller
winch drums, and saving of space.
3. Lower weight in relation to the
breaking load as compared with known
constructions.
4. Great advantages in use of steel
wire-rope for anchorlines for off-shore
drilling rigs, ships etc., on the deep sea,
as the breaking length of the ropes will
be considerably improved.
5. The invention can lead to a con
siderable simplification in the production
of steel wire ropes using a lower number
of wires, in constructions where this new
fibrecore act as a load-carrying member.
The load-carrying fibre elements in the rope may be made of aramids such as poly-p-benzamide, poly-p-phenylene terephthalamide and their copolymers.
WHAT WE CLAIM IS:
1. A steel-wire-rope incorporating a core of aromatic polyamide fibres, which fibres act as load-carrying elements.
**WARNING** end of DESC field may overlap start of CLMS **.
Claims (4)
1. Considerable increase of the breaking
load for most wire-rope constructions.
2. Higher flexibility, use of smaller
winch drums, and saving of space.
3. Lower weight in relation to the
breaking load as compared with known
constructions.
4. A steel-wire-rope substantially as herein described.
4. Great advantages in use of steel
wire-rope for anchorlines for off-shore
drilling rigs, ships etc., on the deep sea,
as the breaking length of the ropes will
be considerably improved.
5. The invention can lead to a con
siderable simplification in the production
of steel wire ropes using a lower number
of wires, in constructions where this new
fibrecore act as a load-carrying member.
The load-carrying fibre elements in the rope may be made of aramids such as poly-p-benzamide, poly-p-phenylene terephthalamide and their copolymers.
WHAT WE CLAIM IS:
1. A steel-wire-rope incorporating a core of aromatic polyamide fibres, which fibres act as load-carrying elements.
2. A steel-wire-rope according to Claim 1
in which the fibres are lubricated and/or
impregnated with lubricant.
3. A steel-wire-rope according to Claim 1 or Claim 2 in which the fibres are made of poly-p-benzamide, poly-p-phenylene terephthalamide or their copolymers.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO760684A NO760684L (en) | 1976-03-02 | 1976-03-02 | ST} LTAU WITH LOADING FIBER ELEMENTS. |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1578858A true GB1578858A (en) | 1980-11-12 |
Family
ID=19882749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8575/77A Expired GB1578858A (en) | 1976-03-02 | 1977-03-01 | Wire-rope with load-carrying core fibres |
Country Status (12)
Country | Link |
---|---|
AU (1) | AU513676B2 (en) |
CH (1) | CH599393A5 (en) |
DE (2) | DE7706296U1 (en) |
DK (1) | DK86677A (en) |
ES (1) | ES456411A1 (en) |
FI (1) | FI59627C (en) |
FR (1) | FR2343080A1 (en) |
GB (1) | GB1578858A (en) |
IT (1) | IT1115263B (en) |
NL (1) | NL7702082A (en) |
NO (1) | NO760684L (en) |
ZA (1) | ZA771031B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001014630A1 (en) * | 1999-08-26 | 2001-03-01 | Otis Elevator Company | Tension member for an elevator |
WO2013029848A3 (en) * | 2011-09-01 | 2013-04-25 | Gustav Wolf Seil- Und Drahtwerke Gmbh & Co. Kg | Elevator cable in the shape of a steel cable having a core made of high strength synthetic fibres |
US9352935B2 (en) | 1998-02-26 | 2016-05-31 | Otis Elevator Company | Tension member for an elevator |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3140103A1 (en) * | 1981-10-09 | 1983-04-28 | Roland 5000 Köln Lorkowski | Angling line |
DE3317708A1 (en) * | 1983-05-16 | 1984-11-29 | Akzo Gmbh, 5600 Wuppertal | Reinforcing cable comprising at least two components |
EP0126965B1 (en) * | 1983-05-16 | 1989-03-15 | Akzo Patente GmbH | Reinforcement cord made of at least two components |
DE3410703A1 (en) * | 1984-03-23 | 1985-10-03 | Akzo Gmbh, 5600 Wuppertal | Reinforcing cable consisting of at least two components |
ZA862009B (en) * | 1985-04-15 | 1986-10-29 | Otis Elevator Co | Composite cable for rope-drawn transportation system |
AT407761B (en) * | 1989-10-31 | 2001-06-25 | Teufelberger Seil Ges M B H | Wire rope |
-
1976
- 1976-03-02 NO NO760684A patent/NO760684L/en unknown
-
1977
- 1977-02-21 ZA ZA00771031A patent/ZA771031B/en unknown
- 1977-02-25 NL NL7702082A patent/NL7702082A/en unknown
- 1977-02-28 DK DK86677A patent/DK86677A/en not_active Application Discontinuation
- 1977-02-28 IT IT20758/77A patent/IT1115263B/en active
- 1977-03-01 ES ES456411A patent/ES456411A1/en not_active Expired
- 1977-03-01 FI FI770648A patent/FI59627C/en not_active IP Right Cessation
- 1977-03-01 GB GB8575/77A patent/GB1578858A/en not_active Expired
- 1977-03-01 CH CH255677A patent/CH599393A5/xx not_active IP Right Cessation
- 1977-03-02 DE DE7706296U patent/DE7706296U1/en not_active Expired
- 1977-03-02 AU AU22838/77A patent/AU513676B2/en not_active Expired
- 1977-03-02 DE DE19772708904 patent/DE2708904A1/en not_active Withdrawn
- 1977-03-02 FR FR7706130A patent/FR2343080A1/en active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9352935B2 (en) | 1998-02-26 | 2016-05-31 | Otis Elevator Company | Tension member for an elevator |
WO2001014630A1 (en) * | 1999-08-26 | 2001-03-01 | Otis Elevator Company | Tension member for an elevator |
WO2013029848A3 (en) * | 2011-09-01 | 2013-04-25 | Gustav Wolf Seil- Und Drahtwerke Gmbh & Co. Kg | Elevator cable in the shape of a steel cable having a core made of high strength synthetic fibres |
Also Published As
Publication number | Publication date |
---|---|
DE2708904A1 (en) | 1977-09-08 |
ZA771031B (en) | 1978-01-25 |
FI59627C (en) | 1981-09-10 |
NL7702082A (en) | 1977-09-06 |
FR2343080B1 (en) | 1981-11-13 |
ES456411A1 (en) | 1978-07-01 |
DK86677A (en) | 1977-09-03 |
FI59627B (en) | 1981-05-29 |
IT1115263B (en) | 1986-02-03 |
NO760684L (en) | 1977-09-05 |
CH599393A5 (en) | 1978-05-31 |
FI770648A (en) | 1977-09-03 |
AU2283877A (en) | 1978-09-07 |
FR2343080A1 (en) | 1977-09-30 |
DE7706296U1 (en) | 1977-06-16 |
AU513676B2 (en) | 1980-12-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |