JPS61194286A - Rope or cable and its production - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a novel rope or coogle and method of manufacturing the same. The manufacture of ropes or cables is an ancient art, but modern materials and methods have greatly improved this ancient technique.

The following US patents and their patent descriptions provide detailed descriptions of the invention and represent the most detailed prior art known to applicants.

Puller, U.S. Pat. Decorative rope consisting of a heated or straight central core and a woven or plaited covering.

No. 2,146,275 to Thompson, Feb. 7, 1939, for impregnated woven sheaths. A core of aligned threads is joined at intervals to form a non-porous layer around the core and an outer covering of neoprene to prevent moisture ingress.

Guler, U.S. Pat. A rope with an elastic core is wrapped in a woven or knitted covering and used for packing.

U.S. Pat. No. 2,737,075, issued March 6, 1956, to Boillière for Cord Structures @ a plurality of gaugings are successively plaited onto the core so as to loosely ( It is placed over the core.

Crepe's 1961 5 for wire and its manufacturing method
U.S. Patent 1 dated May 23rd! No. 2985056. Animal and synthetic fibers are twisted together, moistened and bonded to provide high tensile strength, and then covered with strands of fluted synthetic fibers to form laces for use in tennis racquets and the like. The strands and core are held together by dried, hardened synthetic fibers. The purpose of the cover is to make it last longer.

Morieras U.S. Patent dated August 6, 1966 @3 for cables with bonded organic filament insulation
No. 265809. The center conductor is surrounded by bonded aligned heating threads of latex-impregnated insulating fibers.

Next, the pods are woven around the core. The structure is focused through a die and cured in a dryer.

The purpose is for the rope to have good insulation and tensile strength.

U.S. Pat. No. 1g34, issued July 29, 1969, to Durkee et al.
No. 57717. The wire stokund is arranged into several cables in a straight line and bundled into a thicker cable, and the gap on the outside of this bundle accepts a thinner cable to fill and smooth the outer periphery. A molded plastic strip with butt or lap joints fills the outer gap. A caulk of soft plastic material is then added. A thin binder of glass adhesive tape holds the strip in place, followed by a layer of acrylic resin that is then cured into a helical envelope of nylon or other plastic. This cable is suitable for hanging cables and the outer covering forms a watertight wall.

1975 lO month 1 of 7th against draw string rope
U.S. Pat.
Dated U.S. Divisional Patent No. 4,019,940. A plurality of slightly heated filaments are aligned in parallel and bonded together by a binder placed primarily on the surface of the thread to form a core.

This core is surrounded by a non-porous I- of flexible, water-impermeable insulating material. A jacket is plaited over the insulation and a final coating of neoprene is applied to complete the rope. The binder is applied only to the surface of the thread to promote flexibility and to provide good insulation to the rope.

Transparent work/#(open) using reinforced plastic products
Philip's US Patent No. 1 dated February 3, 1976 for a method of manufacturing work tubes ξ! 393633
No. 8. A fiberglass tube, such as a plaited coating, is filled with a core of resin-impregnated fibers. The tube is taut to reduce its diameter and the core is impregnated with excess resin to cover it. The resin then hardens to create a strong rod of reinforced plastic that, when bent, is taut to create the curved shape of the product.

'aJ! Morieras's 19.82 against Cable
US Pat. No. 4,312,260, dated January 26, 2013.

A core is formed by a bundle of aligned threads. The threads are impregnated at non-perpendicular spacing to the filaments of the aligned fibers. Mix the haze areas regularly.

That is, the impregnated non-flexible portion and the impregnated flexible portion of the core are mixed in an orderly manner. The core is surrounded by a bonded outer layer, which is covered with a layer of oak. The spacing between the impregnated sections is to provide some flexibility to the final product, and the impregnated sections are intended to provide tensile strength.

U.S. Patent No. 341 of December 10, 1968 to Kirapan
No. 5919, U.S. Pat. No. 344, May 27, 1969.
No. 6002, US Patent dated December 29, 1970! 35
No. 51280 is also of interest. These patents show that a twisted yarn having a core consisting of a bundle of unheated monofilaments can be wrapped or gauged around the core to complete the twisted yarn.

Several parallel filaments are arranged in a straight line and consolidated to form a core, which is then wrapped to form a uniform jacket that is torsionally stable. This jacket is coated with Frethane or other plastic material that penetrates the core without penetrating it. next,
This Frethane and other materials are cured. The rope or cable thus has a core consisting of parallel filaments that move freely within the gun at the cretange. In some cases, the shell, such as a woven pod, may be impregnated with frethane or used without impregnation.

The various objects, advantages, and novel features of the present invention will become more apparent from the following detailed description with reference to the accompanying drawings. In the figure, the same 8 original reference numerals in 2 indicate similar parts.

Now, in Figure N1, a plurality of filaments 8 are organized into a group of preferably unheated filaments parallel to C in a process zone 10, dried in a process zone 11, solidified into a core 7 in a process zone 12, In processing zone 13, the ribbon is wound to form jacket 9 and further compressed or consolidated in processing zone 14. Next, a plastic material 19 such as Frethane is transferred to process zone 1.
5 and compressed in process zone 166ζ to form a wrapper of jacket 9, the plastic material only penetrating this wrapper and not the filaments 8, which are free to move relative to each other.・Finally, the Frethane and other materials 19 that have penetrated into the jacket 8 are processed in process zone 1.
At 7, it is cured to provide the finished rope or googly. In the knitting process zone 10, the filament 8
From supply #[21, Sarabanko Registration Board 2
2 (not to scale in Figure 42) aperture 2
2a. Registration plate 22 is shown only schematically. The number of apertures 22a may be much greater than the number shown, and the apertures may be arranged symmetrically about the filament to align the filaments 8 in a substantially parallel relationship.

Each source 21 can supply a number of filaments 8 to the untwisted yarn, and each opening allows a similar plurality of filaments 8 to pass from the source 21 . The filament 8 leaving the plate 22 passes into the drying zone 11 where it passes through a drying chamber 23 heated by any suitable heat source 24.

After drying, the filament 8 is solidified by a die 26. A device 11, such as a pair of rollers 25 (the drive of which is not shown), guides the core 7 of the filament 8, which has already been solidified into a compressed core 27. The filament 8 is also pulled from the supply source 21 Mta.
It also serves to pull out the registration plate 22 through the upper part 20. solidified core 2 of filament 8
7 is then coated in process zone 13 to provide jacket 9. In the present embodiment, the jacket 9 is wrapped around the consolidated core 27 by wrapping or intertwining ribbons or tapes 29a and 29b from respective anti-pools 28a and 28b in opposite directions (443 (arrows shown in the figure), the parallel filaments 8 cannot be twisted together inadvertently or unwillingly. Tension on each spool is controlled by a friction release device (not shown) acting on the respective spool 28a and 28b. The stronger the friction, the more force is required to pull the ribbon from the spools 28a, 28b, and the greater the pull as the ribbons 29a and 29b are wound around the core, the more the core is at this stage. Mechanisms for such winding, which are tightly compressed, are known and are schematically illustrated in Figures 1 and 3.

Since the ribbons 29a and 29b are ribbons of absorbent material, the later applied Frethane 19 easily impregnates the ribbons, but does not penetrate into the core (ζ).Furthermore, if desired, the ribbons 29a and 29b i.e. more than one spool can be used at a time, but preferably as many as 14 spools are used to prevent twisting of the wrapped filament.For ribbons, knitted fabrics are used. is preferred, but other ribbons may also be used, such as ribbons made of woven or non-woven fabrics or acid-containing films.For simplicity, faster lamination, and lower cost, a narrow woven polyester ribbon is used around the core. It is preferable to wrap the ribbon by spirally winding it in opposite directions.The overlap of the ribbons can also be adjusted to provide a desired number of strips at one point along the axis.

Although it has been found that it is preferable to wrap the core with the same number of ribbons in each direction, as long as the wrapping completely covers the core, one or more ribbons can be wrapped around the core in the same direction. It is possible to provide an effective outer covering by winding it into a spiral.

Hardened core 27 and outer skin 29a, 2 of filament 8
The rope or googly 30 consisting of 9b now passes through the gouging 32 and enters the processing zone 14 for further compaction to the predetermined dimensions. The rope 30 is pulled out from the roller 25, passes through the coating process zone 13, and is forced to pass through the die 32 by means of ropes 33 and 34, etc., but the drive VIat for these rollers is not shown. .

The rope or coogle 30 from the compaction process zone 14 is transferred to the process zone 15 into a bath 35 of flex or other material in a tank 36.
Enter. Replenishment of the bath is carried out through a pipe 40 as required. The material can also be extruded directly onto ropes or couples.

Ropes coated with frethane or other materials are in process zone 16.
It is then sent out from the die 38.

The die extrudes and impregnates the jacket 9 of the rope with fretane or other material. At the same time, excess coating is wiped off and returned to bath 35. The openings in the gouer 3B are chosen so that only the jacket 9 is forced to be impregnated with frettane or other material, but not into the core or inner bundle of the filaments 8, which remain free.

Preferably, the filaments 8 are not penetrated at all or to a very small extent, and only to the very outside of the bundle. On the other hand, it is not a prerequisite to completely impregnate all the doves of the ribbon to their depth. It is preferable that the O-Fletane penetrates almost completely into each layer of the ribbon and does not fully penetrate into the filament 8. The impregnated rope is drawn through the die 38 by a device such as a roller 39, which is driven 1M.
Location is not shown. Flexures 19 can be left on the outer surface of the rope or cable for abrasion and moisture protection purposes.

The rope or couple then advances to the hardening or swallowing zone 17 where it is hardened, for example in an open 42 heated by a suitable heat source 43. A device such as a pair of rows 44 pulls the rope from the rollers 39 through an opening 42 and the finished rope 18 is discharged and wound onto a suitable spool 46.

While the rope is being wound onto a spool, or at any appropriate time after leaving the hardening open 42, an indicia 47 may be placed on the rope so that the length of the rope that has been pulled out or used can be readily identified. . In Figure 11g6, a cross-section of the finished rope or cable is shown, with the outer ribbon 29b and inner ribbon 29a showing infiltration of cured phrethane or other material by stippling. There are thousands of filaments! As shown in Figure 4. The filament remains free. That is, they do not adhere to each other or to the cured urethane-impregnated shag 9.

Although it is preferable to use a covering such as furetane, it is of course also desirable in some cases to substitute an outer covering 48 which can be directly covered over the jacket 9 by means of tufting, extrusion, etc., as shown in FIG. It is.

In some cases, as shown in Figures 1 and 7, it is desirable to first impregnate the jacket 9 with a flexible material and then cover the jacket 9 with the above-mentioned outer skin. Additionally, it may be desirable to place the plaited outer skin 48 over the rope of FIGS. 5 or 7 and then impregnate the outer skin 48 with a flexure or the like. In this case, this impregnation can be accomplished by any suitable device, such as passing through a separate tank similar to the tank shown at 36 in Figure @1.

In another successful and preferred embodiment, the core includes approximately 33,000 filaments 8 of 6 denier polyester per filament. The aperture or hole in die 26 is approximately 0.185 inches in diameter. ribbon 29
When pulling out a, 29b from the spools 28a, 28b, the tension is approximately 12 bonds. The wrapping angle is approximately 35°,
The overlapping portion is approximately 4096. Therefore, rope 30
There are a total of about four layers or ribbons at any point along the . The swallow temperature in the drying room is gradual and inconclusive, but should preferably be about 200'P. The opening in die 32 is approximately 0.250 inches in diameter. Ribbon 29a, 29b
is made of polyester and is about 1 inch wide. The cure open humidity is about 200"P. The finished rope or cable has an outside diameter of about 0.250" and the walls of jacket 9 after impregnation and curing are about 0.080" thick. Other outside dimensions Ropes or cables with fibers are made using this method.Fletane-impregnated shag has improved abrasion resistance and water resistance.

The rope or cable of the invention has many advantages. The rope does not unravel, so there is no need to heat seal or end tap the rope when it is cut. Rope manufacturing allows for tighter tolerances.

This rope is available in a variety of standard end terminations. For example, eyes can simply be made at both ends of the rope and secured with any desired device, such as a metal sleeve, or the ropes can be spliced.

This rope or cable is excellent for use when constructing and laying a thick net for reinforcing concrete seawalls. As a result, the rope is highly resistant to ultraviolet light, most chemicals, and biological conditions encountered in many operational force deployment sites. This rope or cable is also very useful in conditions where a high dielectric constant is desired. The rope also has high tensile strength. For example, a rope with an outside diameter of 1 inch is 3500
A rope with an outside diameter of inches has a tensile strength of 7,000 bonds, and a rope with an outside diameter of 1 inch has a tensile strength of 15,000 bonds. Lengths up to 25,000 feet are easily obtained without core joints.

Because the parallel filaments of the core are free, ie, not glued or joined together, the rope or cable is more flexible than other ropes of similar strength. The tightly wrapped shag is compressed and holds the core firmly, eliminating the need for any adhesion of fibers and eliminating the need for a plaited covering over the core. Of course, there is no problem in placing such a holder over the wrapped shag. Made of hardened plastic or other material, the shag and core are held together so that the rope or coogle can be cut without unraveling. No bonding, heating or melting required to prevent separation. As mentioned above,
The hardened coating creates a wear-resistant and water-resistant wall. Unlike ropes which are not waterproof, the invention can be used with minimal risk when creating conductive paths near high voltage lines or towers.

Double-chrap ropes are relatively flammable and strong, but they tend to retain moisture (which makes them more conductive when warmed) and when subjected to tension, the double-chrap ropes The undesirable stretching of a braided rope occurs.These disadvantages are not present in the rope or cable of the present invention, which is water resistant, yet flammable and strong, primarily due to its non-heated core. It exhibits minimal elongation under tension.

The method of the present invention allows ropes or cables to be manufactured more quickly than conventional methods.

The ropes or cables of the present invention can be manufactured at speeds of, for example, about 4 minutes per minute, and if desired can be increased to speeds of about 80 feet per minute without winding or heating. It is manufactured using a single machine, and has a waste rate of 1 or less, which surpasses the current speed and production loss.

By varying the tension in wrapping the wrapping, the dimensions of the compression die, and the hardness of the flexure and other materials, the required burnability, dimensions, and tensile strength of the ropes or coogles of the present invention can be achieved, thereby reducing production speed, machinery, etc. Or there is no need to change the feed arrangement. These factors lead to a reduction in manufacturing costs and allow the rope or cable of the present invention to be made at a low price.

Although the specific structure for carrying out the present invention has been illustrated and explained above,
It is understood that various modifications and rearrangements of parts are possible without departing from the basic inventive concept and its scope, and that these modifications and rearrangements may be made without departing from the description herein, except as indicated in the appended claims. It will be clear to those skilled in the art that it is not limited to any particular type.

[Brief explanation of drawings]

Figure 1 is a highly schematic diagram illustrating the method for carrying out the invention to produce a rope according to the invention; Figure 2 shows the core of the rope or couple to be produced, positioned by a registration plate; 2 in Figure 111 showing the fiber bundles
Figure 3 is an enlarged schematic cross-sectional view along line 2-2; Figure 3 is a non-scale cross-sectional view taken along line 3-3 of Figure Wi1 showing one method of wrapping around the core; 5 is an enlarged sectional view taken along line 4-4 in FIG. 1 showing the inner surface state of the core of
The figure shows an enlarged partial cross-section of the rope or cable shown in Fig. 4 which has been knitted in a pall, and Fig. 6 shows the external appearance of the rope or couple impregnated with frethane produced by the method of the present invention. FIG. 87 is an enlarged partial cross-sectional view of the rope or cable of FIG. In the figure, numeral 8 is a filament, 9 is a jacket, 17 is a curing process zone, 7.27 is a core, 18.30 is a rope or google, 19 is a plastic material, 26
．． 32.38 is Gui.

Claims (1)

[Claims] 1. a) straightening and compressing a plurality of filaments under tension to form a core; b) one or more filaments so as to completely cover the core; c) applying an outer covering to the wrapped core. 2. The method of claim 1, wherein the core is wrapped in one or more tapes in opposite directions, and the same number of tapes are used in each direction. 3. The method of claim 1, wherein the outer covering is a curable plastic material that impregnates the envelope but not the core. 4. The manufacturing method according to claim 1, wherein the outer covering is a woven sheath. 5. The manufacturing method according to claim 4, which comprises the step of impregnating the serpentine sheath with a curable plastic material. 6. The method of claim 3, wherein the outer covering further comprises a plaited sheath covering the plastic material. 7. The manufacturing method according to claim 6, which comprises the step of impregnating the fluted sheath with a curable plastic material. 8. A method according to claim 3, characterized in that the plastic material forms a covering over the encapsulated core. 9. The manufacturing method according to claim 3, wherein the tape is made of an absorbent ribbon. 10. The manufacturing method according to claim 1, wherein the core filament is not substantially heated. 11. a) Step of aligning a plurality of filaments to form a core; b) Passing the core through a first sizing die to compress the filament and applying back tension; c) Above. spirally wrapping one or more tapes around the compressed core to completely cover the core; and d) passing the encapsulated core through a second sizing die to coat the curable plastic material. e) removing excess coating of plastic material from the outer surface of the encapsulant, and f) passing the encapsulant core through a curing step to form the plastic material. A method of manufacturing a rope or cable, which comprises the step of curing the material. 12. The method of claim 10, wherein one or more tapes are wound in opposite directions around the core, the number of tapes being the same in each direction. 13. A method according to claim 11, characterized in that after step f) a pupated sheath is placed over the encapsulated core. 14. The manufacturing method according to claim 11, wherein the tape is made of an absorbent ribbon. 15. While step e) is being carried out, a thin layer of plastic material is left surrounding the encapsulation to improve its moisture and abrasion resistance. The manufacturing method described in. 16. The manufacturing method according to claim 13, which comprises the step of impregnating the woven sheath with a curable plastic material. 17. a) a core consisting of linearly arranged compressed parallel filaments independent of each other; and b) one or more filaments wrapped helically around the core so as to completely cover it. c) an outer covering surrounding the wrapped core; 18. The rope of claim 17, wherein the core is wrapped with one or more tapes in opposite directions, the number of tapes being the same in each direction. 19. The rope of claim 17, wherein the outer covering is a hardened plastic material that the envelope impregnates but not the core. 20. The rope of claim 19, wherein said plastic material is a polyurethane polymer. 21. The rope of claim 19, wherein said outer covering further comprises a plaited sheath covering said plastic-impregnated envelope. 22. A rope as claimed in claim 21, characterized in that the plaited sheath is impregnated with a hardened plastic material. 23. The rope according to claim 19, wherein the tape is comprised of an absorbent ribbon. 24. The rope of claim 17, wherein said outer covering comprises a serpentine sheath. 25. The rope according to claim 24, characterized in that the plaited sheath is impregnated with hardened plastic. 26. The rope of claim 17, wherein the core is a polyester monofilament. 27. A rope according to claim 19, comprising a layer of said plastic material surrounding said envelope to improve the abrasion resistance and moisture resistance of the rope. 28. The rope of claim 17, wherein said core filament is substantially unheated.