At Cortland we engineer and manufacture rope, sling and specialist products for a wide range of commercial, industrial and research purposes. All of our products are designed and manufactured to exacting standards and we ensure the right combination of materials, constructions and jackets are used to meet your strictest application requirements. Alternatively contact us to discuss any custom application requirement you may have or go to our 'custom application' section. Skip to Navigation. Search this site:.
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A rope is a bundle of flexible fibers twisted or braided together to increase its overall length and tensile strength. The use of ropes for hunting, carrying, lifting, and climbing dates back to prehistoric times. Ropes were originally made by hand using natural fibers. Modern ropes are made by machines and utilize many newer synthetic materials to give them improved strength, lighter weight, and better resistance to rotting.
More than half of the rope manufactured today is used in the fishing and maritime industries. Although the origin of rope is unknown, the Egyptians were the first people to develop special tools to make rope. Egyptian rope dates back to to B. Other Egyptian rope was made from the fibers of date palms, flax, grass, papyrus, leather, or camel hair. The use of such ropes pulled by thousands of slaves allowed the Egyptians to move the heavy stones required to build the pyramids.
By about B. Rope and the craft of rope making spread throughout Asia, India, and Europe over the next several thousand years. By the fourth century, rope making in India had become so specialized that some makers produced rope intended only for use with elephants.
Leonardo da Vinci drew sketches of a concept for a ropemaking machine, and by the late s several working machines had been built and patented. Rope continued to be made from natural fibers until the s when synthetic materials such as nylon became popular. Despite the changes in materials and technology, rope making today remains little changed since the time of the ancient Egyptians.
Rope is sometimes generally referred to as cordage and can be divided into four categories based on its diameter. Cordage under 0.
These are not considered to be true rope. Cordage with a diameter of 0. Cordage over about 1. Rope construction involves twisting fibers together to form yarn.
For twisted rope, the yarn is then twisted into strands, and the strands twisted into rope. Three-strand twisted rope is the most common construction.
For braided rope, the yarn is braided rather than being twisted into strands. Double-braided rope has a braided core with a braided cover. Plaited rope is made by braiding twisted strands. Other rope construction includes combinations of these three techniques such as a three-strand twisted core with a braided cover. The concept of forming fibers or filaments into yarn and yarn into strands or braids is fundamental to the rope-making process.
Rope may be made either from natural fibers, which have been processed to allow them to be easily formed into yarn, or from synthetic materials, which have been spun into fibers or extruded into long filaments. Natural fibers include hemp, sisal, cotton, flax, and jute. Another natural material is called manila hemp, but it is actually the fibers from a banana plant. Sisal was used extensively to make twine, but synthetic materials are replacing it.
Manila rope is still used by traditionalists, but it can rot from the inside, thus losing its strength without giving any outward indication. Synthetic fibers include nylon, polyester, polypropylene and aramid.
Polypropylene costs the least, floats on water, and does not stretch appreciably. For these reasons it makes a good water ski tow rope. Nylon is moderately expensive, fairly strong, and has quite a bit of stretch. It makes a good mooring and docking line for boats because of its ability to give slightly, yet hold.
Aramid is the strongest, but is also very expensive. Nylon and polyester may be spun into fibers about inches cm long. Ropes made from spun synthetic fibers feel fuzzy and are not as strong as ropes made from long, continuous filaments.
Some ropes use two different synthetic materials to achieve a combination of high strength and low cost or high strength and smooth surface finish.
Wire rope may be made from iron or steel wires. This is commonly referred to as cable and is used in bridges, elevators, and cranes. It is made by a different process than fiber or filament ropes. Fibers and filaments are first formed into yarn. The yarn is then twisted, braided, or plaited according to the type of rope being made. The diameter of the rope is determined by the diameter of the yarn, the number of yarns per strand, and the number of strands or braids in the finished rope.
If the rope is to be made from long filaments of synthetic material, several filaments are grouped together in a process called doubling or throwing. This produces a sliver of multiple plies of filaments. The level of quality control depends on the intended use of the rope. Ropes intended for general purpose use are sold by diameter and tensile strength.
Tensile strength is determined by breaking a sample piece under load. Basic raw material specification and a visual inspection are the only quality control measures used for these ropes. Ropes intended for high-risk applications—such as rappelling, rescue work, and lifting objects over people—are more closely inspected and tested.
These ropes have a finite service life and may also have a color code or other coding to indicate the date of manufacture.
Some ropes incorporate some type of wear tracer formed into the rope. These tracers are usually a single yarn of contrasting color placed just under the outer wrap of yarn. Should any abrasion or overextension of the rope occur, this filament would be exposed, indicating an unsafe condition and requiring that the rope be replaced. The future of rope making is directly linked to improvements in materials. Over the years, almost every conceivable type of rope configuration has been attempted.
In the past, new materials have allowed rope makers to reduce the diameter of the rope while maintaining the tensile strength and improving the resistance to weathering and abrasion. It is expected that a new generation of very strong, very light fibers and forming techniques will produce even further improvements in ropes. Merry, Barbara. The Splicing Handbook. International Marine, Foster, G. Toggle navigation. Made How Volume 2 Rope Rope. Periodical Foster, G. Betts Chris Cavette.
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Rope manufacturing company. Guaranteed high resistance since Commercial Marine. Leisure Marine. Wool Scouring. Folch Ropes, SA - Ctra. B km 9,3, Apdo.
DAEHAN ROPE CO.,LTD.
I have gathered in my conversations with many of you that unlike the rest of our industry, our Tufropes sales team is helping and encouraging innovation thrive, bringing ideas to life, and ensuring that people can easily collaborate across the business and the country. Tufropes appears to be making a big attempt to performing better when it comes to employee agility, customer service, and more. Good things happen when people bring their best to their jobs, thinking up new and better business processes in their spare time, and going out of their way - with a smile on their face - to serve their customers well. All of this is especially important in a fast-changing business landscape where information moves more rapidly than ever before, and technology gives any customer or employee the power to be heard companywide in an instant. The new frontier in business is all about responding faster to a landscape defined by speed and hyper-transparency. Question: Is Tufropes succeeding in accomplishing this?
Diameters available range from 3mm—32mm. Commercial grade shock cord and associated assemblies are also made on site. IMR prides itself on bespoke designs, working with customers and prospects to resolve engineering issues using various diameter cordage and terminations. Our designs and assemblies can be found in aircraft crew and passenger seats, military jet ejection seats, launch systems for UAVs, Helicopter winching systems, storage and restraint systems on military transporters, missile decoy towing systems, seismic mapping systems, theatre rigging, sash windows, sports and leisure equipment — the list of uses is vast. In addition to shock cord , IMR produces braided rope and cordage from 0. Many of our products meet stringent flame retardancy standards. The Company holds ISO accreditation. Operating from the original site of the Cartridge Ropery, Heywood — founded by Healey Brothers in , Ibex Marina Ropes is proud of its rich British manufacturing history and heritage. Almost uniquely, we produce natural, synthetic and elasticated rope, cordage and assemblies under one roof and supply throughout the world to a vast array of industries. As well as the bulk manufacture of a range of natural and synthetic ropes and cords, from narrow braids up to 32mm diameter heavy duty shock cord, Ibex Marina Ropes manufactures and supplies a multitude of assemblies, both as standard products and bespoke engineered solutions.
Wire Rope & Cable
We offer a vast array of competitively priced, highest quality ropes and cordage as well as accessories. Not sure exactly what you're after? Count on us to provide you with exactly what you're looking for.
A rope is a bundle of flexible fibers twisted or braided together to increase its overall length and tensile strength. The use of ropes for hunting, carrying, lifting, and climbing dates back to prehistoric times. Ropes were originally made by hand using natural fibers. Modern ropes are made by machines and utilize many newer synthetic materials to give them improved strength, lighter weight, and better resistance to rotting. More than half of the rope manufactured today is used in the fishing and maritime industries. Although the origin of rope is unknown, the Egyptians were the first people to develop special tools to make rope. Egyptian rope dates back to to B. Other Egyptian rope was made from the fibers of date palms, flax, grass, papyrus, leather, or camel hair. The use of such ropes pulled by thousands of slaves allowed the Egyptians to move the heavy stones required to build the pyramids. By about B.
We protect people and the environment they live in
Top Suppliers. Just as there are endless ways to knot a rope, there are many different types of rope available. The rope you need might be single or double braided, twisted, hollow, plaited or constructed in another manner. To assist in your sourcing efforts and understanding of the rope marketplace, we have compiled lists of top fire protection system suppliers in the tables below. The first table identifies top U. The second table lists globally known rope suppliers ranked by estimated revenue. Here is a list of the top U.
Product solutions for multiple markets
Our ropes are known for its toughness, flexibility and good resistance to wear and tear damage. View Complete Details. We manufacture Industrial Plastic Rope,which are widely used in construction,marine etc. We are manufacturing Polypropylene Danline Rope which can be used for many commercial purpose. We manufacture danline ropes in various colors as per our clent's requirement. Danline rope is made of the finest Virgin Polypropylene Raw Materials. The rigidly controlled standards ensure the most flexible, best balanced, longest wearing rope. We manufacture rope with Red and Blue tracer. Polpropylene Danline Rope recommended uses are Fishing, anchor and dock line,agriculture and even for a vast range of netting applications. We manufacture it in various sizes ranging from 2mm to 32mm.
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Pelican Rope is an ISO certified manufacturer of high performance synthetic and specialty rope products, rope lanyards, slings and custom rope assemblies. For over 40 years our devotion to innovation, quality and customer service has yielded a diverse UL Certified product line designed to not only meet or exceed the standards established by the Cordage Institute , the U.
Marlow Ropes Ltd are a privately owned British manufacturer of specialist synthetic fibre ropes and assemblies. Our factory in Hailsham, East Sussex boasts a wide range of rope making capabilities and technologies. We distribute around the world and have our own sales and distribution company in the USA. Since then he has helped develop the business through roles in production, planning and operations before becoming Managing Director in