US3605818A - High pressure hose - Google Patents

High pressure hose Download PDF

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Publication number
US3605818A
US3605818A US695163A US3605818DA US3605818A US 3605818 A US3605818 A US 3605818A US 695163 A US695163 A US 695163A US 3605818D A US3605818D A US 3605818DA US 3605818 A US3605818 A US 3605818A
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Prior art keywords
yarns
ribbon
hose
textile
ply
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Adolph J Balchan
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Parker Hannifin Corp
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Uniroyal Inc
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D23/00—Producing tubular articles
    • B29D23/001—Pipes; Pipe joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/80—Component parts, details or accessories; Auxiliary operations
    • B29C53/8008—Component parts, details or accessories; Auxiliary operations specially adapted for winding and joining
    • B29C53/8016—Storing, feeding or applying winding materials, e.g. reels, thread guides, tensioners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/026—Doubling winders, i.e. for winding two or more parallel yarns on a bobbin, e.g. in preparation for twisting or weaving
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H55/00—Wound packages of filamentary material
    • B65H55/005—Wound packages of filamentary material with two or more filaments wound in parallel on the bobbin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/06—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/40—Yarns in which fibres are united by adhesives; Impregnated yarns or threads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/38—Thread sheet, e.g. sheet of parallel yarns or wires
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2321/00—Characterised by the use of unspecified rubbers

Definitions

  • Hose comprises a rubbery interior tube, a ply of reinforcing textile wrapped therearound, and a second rubbery tube disposed about this ply, the reinforcing textile being made up of the polymeric binder-impregnated ribbon, the interior and second rubbery tubes being vulcanized to the binder and hence tenaciously secured to the binder-impregnated textile ply.
  • This invention relates to the production of reinforcing ribbon for use in the manufacture of high pressure hose or other like textile-reinforced rubbery articles. More particularly, the invention relates to the production of a reinforcing ribbon from substantially no twist multifilament yarns and to the use of such ribbon as a textile reinforcement for medium and high pressure hose.
  • twisted yarns have posed a number of serious problems.
  • the twisted yarns are first wound on a bobbin to provide a yarn package, the bobbin being wound with a single yarn, a pair of yarns, or three or four yarns, as required.
  • these yarns are not bonded ice to one another. Accordingly, it has been found that in the subsequent hose braiding operation, numerous faults occur.
  • faults include: the separation of the yarn ends with a resulting non-uniform lay of yarns, loose yarns, buckling of loose yarn ends, sloughed yarns, bad builds on the bobbin, e.g., dropped yarn ends, telescoping of yarns wrapped on the bobbin, etc.
  • These faults in turn, either result in the production of defective hose with consequent production loss, or else the hose making machinery must be stopped to correct such faults, leading to expensive down time.
  • the present invention provides a method for the production of a package of reinforcing ribbon for use in the manufacture of pressure hose and other textile-reinforced rubber articles.
  • the method involves impregnating multifilament yarns, these yarns being characterized by substantially no twist, with a polymeric binder in an amount equal to at least ten per cent by weight of the yarns (expressed on a dry basis), bringing the yarns together in side-by-side substantially parallel relationship with their adjacent edges touching, winding the yarns about a core while the yarns are still wet with the polymeric binder, and drying.
  • the drying serves to bond the yarns to one another at their adjacent edges to form the ribbon and additionally to weakly bond adjacent layers of the ribbon to one another.
  • the resulting package of reinforcing ribbon holds its form, has no tendency whatsoever to telescope, 'the ribbon is characterized by high tensile strength, and the outermost layer of ribbon is readily strippable from the layers therebeneath.
  • the invention further comprehends a high pressure rubbery hose that has been textile-reinforced by use of the foregoing ribbon, as by braiding, spiral wrapping, or the like.
  • Such high pressure hose comprises a rubbery in- Iterior tube, a ply of reinforcing textile wrapped therearound, and a second rubbery tube disposed about said ply, the reinforcing textile comprising the foregoing ribbon, as in the form of braid, spiral wrap, or the like, the ribbon being impregnated with the polymeric binder, the interior and second rubbery tubes being vulcanized to the binder and hence tenaciously secured to the fabric ply.
  • FIG. 1 is a schematic perspective view, partially in section, illustrating suitable apparatus for carrying out the method of my invention
  • FIG. 2 illustrates a single multitilarnent yarn of substantially no twist, i.e., not greater than one-half turn per inch;
  • FIG. 3 illustrates my package of reinforcing ribbon, with adjacent layers of ribbon strippably secured to one another, and with the four individual yarns at the end of the ribbon having been partially separated from one another;
  • FIG. 4 is a view in partial section of a high pressure hose made in accordance with my invention.
  • this method involves impregnating multilament yarns characterized by substantially no twist with a polymeric binder in an amount equal to at least ten percent by weight of said yarns on a dry basis, bringing the yarns tgether in a side-by-side substantially parallel relationship with their adjacent edges touching, winding the yarns about a core, e.g., a spool or bobbin, while the strands are still wet with the polymeric binder, and drying so as to bond the yarns to one another at their adjacent edges via the polymeric binder so as to form the ribbon, and additionally to weakly bond adjacent layers of the ribbon to one another, such that the outermost ribbon layer can be readily stripped from an adjacent layer therebeneath.
  • a core e.g., a spool or bobbin
  • FIG. 1 there is schematically illustrated means for carrying out the method of my invention.
  • These means generally include a plurality of containers 10, each each containing a spool about which is wrapped a multilament yarn characterized by substantially no twist (the spool and wrapped yarn not being shown), eyelet guides 12 and 14, a vessel 16 containing therein a bath 18 containing polymeric binder material, eyelet guides 20 and 22, pigtail guide 24, yarn tensioning device 26, reciprocating yarn guide 28, and pick-up bobbin 30.
  • I utilize two or more multililament yarns to make up the reinforcing ribbon. As illustrated in FIG. l, four such yarns are employed. Generally I have found it best to employ from about 2 to l2 yarns in making the ribbon. Thus, while more than l2 yarns could be employed, it would serve no particular advantage. Preferably, the ribbon is formed from 3 to 6 yarns.
  • substantially no twist mean a twist of from zero to no more than 0.5 turn per inch, and this expression is intended to designate the foregoing definition throughout the speciiication and claims.
  • a yarn having substantially no twist is schematically illustrated in FIG. 2.
  • Yarns having substantially no twist are occasionally referred to as having manufacturers twist, which expression designates yarns wherein no additional twist to the yarns has been imparted by the manufacturer after their production.
  • FIG. 1 in connection with the method of my invention, there is illustrated the taking ofi of four separate no twist yarns 32a, 32b, 32C, and 32d from the spools housed in respective containers a, 10b, 10c, and 10d.
  • These yarns are passed through four apertures in eyelet guides 12 and 14. It will be noted that the yarns are maintained in spaced parallel relationship by these eyelet guides.
  • the yarns are passed into the bath 18 housed within vessel 16, each such yarn passing beneath guide bar 34, which guide bar is mounted on the inner walls of vessel 16.
  • Three spaced separator plates 36 are mounted on guide bar 34, with the four yarns being separated from one another by the separator plates. This insures that no fouling of the yarns will occur during their immersion in the bath and hence promotes thorough impregnation of each such yarn with the polymeric binder material in the bath.
  • the yarns are passed out of the bath and through the apertures in eyelet guides 20 and 22.
  • the yarns are then brought together by passage through pigtail guide 24. This serves to collect the yarns and bring them together in parallel relationship.
  • the four yarns are then passed through tensioning device 26 which serves to regulate and equalize the tensions on the yarns and additionally causes the yarns to be disposed in the form of a band or ribbon, that is, in parallel substantially coplanar alignment.
  • the four yarns, in such parallel coplanar alignment, are then passed through reciprocating yarn guide 28 and then wrapped about bobbin 30.
  • the reciprocating yarn guide have a channel-like U) cross section, the interior width of the channel substantially approximating the sum of the widths of the four yarns or just slightly in excess of such sum.
  • the yarns after having been impregnated with polymeric binder material, are wound about the bobbin while still wet with the polymerio binder.
  • the drying also results in the bonding of adjacent touching edges of the yarns making up the ribbon.
  • ribbon package that is lirm, tight, holds its form, and is completely resistant to telescoping, sloughing or the like.
  • Yet such ribbon package is such that the outermost ribbon layer may be readily stripped from a ribbon layer therebeneath.
  • the multitilament yarns employed in making the reinforcing ribbon it is essential that these iilaments be continuous.
  • the composition of the filaments in the yarns may vary as desired, depending upon the nature and properties desired in the ultimate fabric-reinforced article.
  • any of the well known continuous filaments may be employed, including, by way of example, polyamides, such as polyhexamethylene adipamide and polycaproamide; polyesters, such as ethylene terephthalate polymers and copolymers; acrylic polymers and copolymers such as polyacrylonitrile; vinyl polymers such as polyvinyl alcohol, polyvinyl chloride and polyvinylidene chloride; uon'nated ethylene polymers such as polytetrafluoroethylene and polytriclluoromonochloroethylene; polyhydrocarbons such as linear polypropylene and copolymers of ethylene with other polymerizable monomers; regenerated cellulose; cellulose acetate; polyurethanes; and the like.
  • filament yarns from natural sources such as silk, glass, and the like.
  • a particularly suitable material for the continuous filaments is a biconstituent lilament made up of polyamide and polyester, e.g., nylon-polyester or the like.
  • Such biconstituent filaments are produced commercially, for example, by Allied Chemical under the trade name EF-121.” (Frequently such biconstituent filaments of nylon-polyester are referred to as merged filaments?)
  • these filaments are obtained by the simple expedient of melt mixing polyamide and polyester, e.g., nylon and polyethylene terephthalate, and thereafter extruding the resulting molten mixture in iilamentary form.
  • Such merged nylon-polyester laments or fibers generally will contain from 30 to 90% by weight of polyester.
  • These biconstituent filaments are more fully described in the Apr. 16, 1966 issue of Chemical Week at page 35. See also Chemical and Engineering News, page 57A, of Sept. 5, 1966i.
  • biconstituent filaments made up of nylon and polyester either the nylon or the polyester may make up the continuous phase. It appears that for biconstituent filaments ⁇ wherein the polyester is at least about 40 percent by weight of the filament, the polyester is the continuous phase, whereas at levels of less than about 40 percent by weight polyester, the nylon is the continuous phase. I have found that particularly advantageous results are obtained utilizing a biconstituent filament of nylon-polyester wherein the nylon is present in about 70 percent by ⁇ weight and the polyester is present in about percent by weight.
  • the multi-yarn reinforcing ribbon of my invention is to be used for the reinforcement of high pressure rubber hose or like textile-reinforced rubber articles
  • the nature of the polymeric binder employed in bath 18 should be such as to promote adhesion as between the ribbon and the subsequently applied rubbery material.
  • any water-based or organic-solvent based solutioning bath known to the art to be suitable for solutioning cords to promote adhesion of subsequently applied rubber stock can be used as the dipping medium for the yarns and to make the ribbon.
  • Those skilled in the art can readily select a suitable solutioning bath for any given filamentary material utilized in the multi-filament yarns making up the ribbon.
  • the Well known RFL solutioning bath i.e., an aqueous resorcinol-formaldehyde rubber latex solutioning material.
  • RFL solutioning baths are illustrated in U.S. Pats. 2,128,229; 2,128,635; 2,429,397; 2,561,215; and 2,615,826. See also Rubber World, October 1954, at p. 126, and Rubber World, September 1957, at pp. 847- 851.
  • polyester is employed as the filamentary material for the yarns, or where a biconstituent polyamidepolyester iilamentary material is employed with the polyester making up the continuous phase, I have found it particularly advantageous to employ a two-dip solutioning technique, as described in U.S. Pat. 3,533,460.
  • a preferred method for promoting good adhesion as between a subsequently applied .rubber stock on yarns wherein the multi-filaments therein are made up of polyester Ifilaments or polyester-nylon filaments with the polyester being the continuous phase involves (l) dipping the filaments in an aqueous slurry of a phenol-blocked isocyanate containing dissolved therein water-soluble epoxy resin, drying at about 400 F. for about 2 minutes, and (2) then dipping the dried yarns in an aqueous solution bath comprising resorcinol-formaldehyde resin and a latex of a terpolymer of butadiene, vinyl pyridine, and styrene.
  • the package is subjected to drying.
  • the drying conditions may vary over wide limits; the higher the temperature employed, the less time required. For instance, at a temperature of the order of 400 F. only a few minutes will generally be required, whereas at room temperature a few days may be needed.
  • the prior art has utilized twisted yarns of multi-filament material in treatment with the solutioning bath. Immersion of such twisted yarns in the solutioning bath results in a solids pick-up, on a dry basis, generally of the order of from about 4 to 7 percent by weight.
  • the foregoing range for solids pick-up was in large part due to the geometrical configuration of the yarns. In other wards, the twist imparted to the yarns, resulting in relatively tight yarns of circular cross section, tended to prevent penetration of the solutioning material to the interior of the yarn bundle. Rather, there essentially resulted merely a surface coating by the solids from the solutioning bath.
  • the prior art had to accept a solids pick up of the order of 4 to 7 percent and further had to accept as adequate the resulting adhesion values as between the so treated yarns and a subsequently applied rubber stock.
  • the amount of solids pick-up from the impregnating bath can and should be at least about 10 percent of the weight of the yarns, expressed on a dry basis. This amount of pick-up is markedly greater than that heretofore contemplated and employed in the art.
  • the amount of polymeric material impregnating the yarns should be, on a dry basis, at least about ten percent by weight of the yarns, desirably from about l0 to 25 percent by weight, and most preferably from about 12 to 15 percent by weight.
  • the polymeric ybinder material is present in relatively high concentration, e.g., of the order of from about 10 to 40 percent by weight. More preferably, the polymerio binder is present in the bath in a range 0f from about 12 to 25 percent by weight.
  • the flat multifilament yarn bundles are bonded va the binder to one another at their adjacent edges to form a cohesive ribbon.
  • Such drying also serves to weakly cohere or bond (via the polymeric binder) a given layer of ribbon to adjacent layers of ribbon therebeneath and thereabove.
  • FIG. 3 Such a package is illustrated in FIG. 3.
  • This package is tight, completely resistant to telescoping, and yet the free and of the ribbon 38 is readily strippable from. the package for use, as in braiding or spiral wrapping to form a textile reinforcement for a hose or the like.
  • the end of ribbon 3S is shown with the four yarn ends 32a, 32h, 32C, and 32d partly separated. This is merely to identify each yarn as a component of the overall four yarn ribbon. In actual practice the ends are, of course, bonded to one another by the polymeric binder.
  • the multi-yarn ribbon of this invention may be considered to be substantially rectangular in cross section, with the width being at least twice the thickness, and generally several times the thickness.
  • Typical ribbons for use e.g. as in the braiding of a textile reinforcement for hose, may be of the order of a thickness of about 0.014 inch and a width of about 0.156 inch, although either larger or smaller ribbons may be prepared and employed, as desired.
  • My multi-yarn ribbons are also characterized by the fact that the individual yarns making up the ribbon tend to be flattened. That is, they too may be considered to be of substantially rectangular cross section, with the length of the rectangle (or width of the yarn) being in alignment with the width of the ribbon and the height of the rectangle corresponding to the thickness of the ribbon. This tends to further impart a flatness to the overall ribbon.
  • My ability to use relatively flattened (rectangular cross section) yarns arises from the fact that each yarn has substantially no twist, as compared to the twisted yarns used heretofore in the production of high pressure hose, such twisted yarns being essentially circular in cross section.
  • the number of laments making up the substantially no twist yarns utilized in the preparation of my reinforcing ribbon nor the denier of the multi-filament yarn is critical.
  • the number of filaments per yarn will be from about 50 to 2000, preferably from about 100 to 1000, and most preferably from about 150' to 400.
  • the yarn denier is advantageously from about 1100 to 4400, although higher or lower deniers may also be employed if desired.
  • the ribbon package of my invention is particularly suited for use in the production of textile reinforced rubber hose or like textile reinforced rubber articles.
  • a polymeric binder capable of promoting adhesion as between the ribbon yarns and a subsequently applied solid rubber.
  • such methods involve inserting a rubber tubing over a mandrel (this rubber tubing ultimately serving as the interior tubing of the nished hose. Thereafter, a textile reinforcing ply is laid about the rubber tubing, as by the braiding of the yarns over the rubber tubing, spiral wrapping of the yarns, or the likeI
  • a textile reinforcing ply is laid about the rubber tubing, as by the braiding of the yarns over the rubber tubing, spiral wrapping of the yarns, or the likeI
  • my polymeric binder-impregnated ribbon is desirably braided over the interior rubber tubing, although spiral wrapping or the like could be employed if desired.
  • the lead sheath technique which technique is well known in the art. Essentially this involves encasing the hose in a lead sheath (formed about the hose by lead extrusion) followed by subjecting the so encased hose to vulcanizing conditions, as by vulcanizing in steam at 60 p.s.i.g. for 60 minutes. Thereafter, the lead sheath is stripped off so as to obtain the vulcanized high pressure textile-reinforced hose.
  • more than one ply of reinforcing textile may be employed. ln such instance, then after the second rubbery tube is disposed over the iirst ply, a second ply of reinforcing textile is disposed over the second rubbery tube, followed by disposing an outer rubbery tube over the second ply. Thereafter, vulcanization is effected as previously described.
  • FIG. 4 Such a two ply textile-reinforced hose is illustrated in FIG. 4, the hose being generally designated by the reference numeral 40.
  • This hose comprises an interior rubbery tube 42, a reinforcing ply 44 disposed thereover, a second rubbery tube 46 disposed about the reinforcing ply 44, a second reinforcing ply 48 disposed about second rubbery tube 46, and an outer rubbery tube 50 surrounding the second reinforcing ply 48.
  • Each of plies 44 and 48 are made up of braided ribbon 38 (FIG. 3), such ribbon previously having been thoroughly impregnated with polymeric binder.
  • each rubbery layer 42, 46, 50 is vulcanized to the adjacent polymeric binder and hence is tenaciously secured to its respective adjacent reinforcing ply.
  • my ribbon permits the obtaining of a close tight pack in the braiding operation, with the ribbon maintaining its flat rectangular shape in the hose carcass.
  • the braided ribbon presents an essentially regular, even profile, as compared to the irregular profile resulting from braiding with twisted (circular cross section) yarns.
  • Such irregular profile is manifested by the appearance of hills and valleys over the hose carcass. Accordingly, the attaching of couplings to the hose often results in only intermittent contact, with resultant failure by virtue of the hose being pulled out of the coupling.
  • Hose types include, by way of example, special purpose hose, hydraulic hose, air conditioning hose, tank truck hose, gas and oil hose, LPG hose, air hose, welding hose, acid hose, utility hose, agricultural hose, automotive hose, garden hose, paint and lacquer hose, etc.
  • the nature of the rubbery stock material used in preparing textile-reinforced hoses and like textile-reinforced articles is not critical. Virtually all of the usual rubbers known in the art, whether natural or synthetic, may be employed, for example, polychloropene, nitrile rubber, SBR, butyl rubber, natural rubber, synthetic natural rubber, ethylene-propylene copolymer rubber, EPDM rubber (ethylene-propylene-diene rubber, also referred to in the art as EPT rubber), polyurethane rubber, chlorosulfonated polyethylene rubber, reclaim rubber, and the like.
  • the rubber employed in the rubbery stock material may, if desired, be mixed with other components such as, eg., polyvinyl chloride.
  • a mixture may comprise a blend of polyvinyl chloride with nitrile rubber, for instance, the commercial product known as OZO (Uniroyal, Inc.).
  • EXAMPLE l In this example, the apparatus illustrated in FIG. 1 was employed. Commercial RFL latex solution (40% solids, from Versatile Products, Pine Brook, NJ., under the designation Capitol 232 RFL Solution was diluted with water to solids and was employed as such as the bath 18.
  • Commercial RFL latex solution (40% solids, from Versatile Products, Pine Brook, NJ., under the designation Capitol 232 RFL Solution was diluted with water to solids and was employed as such as the bath 18.
  • the ribbon package was then hot air dried at 225 F. for two hours, followed by cooling to room temperature.
  • the ribbon showed a solids pick up of about 14 percent by weight.
  • the four yarns making up the ribbon were bonded at their adjacent edges to form a flat coplanar ribbon (four yarn ends as one), each such yarn having been thoroughly impregnated throughout its interior.
  • the ribbon package was essentially a unitary, solid, tight mass, with each layer of ribbon being bonded to adjacent layers therebeneath and thereabove, the topmost layer of ribbon being readily strippable from the layers therebeneath.
  • EXAMPLE 2 Ribbon packages made as described in Example 1 were utilized to make SAE 100R3 hydraulic hose.
  • This is a seamless oil resistant hose made up of an inner polychloroprene tube, a ply of high tenacity flat organic yarn braid, an intermediate polychloroprene layer, a second braided ply, and polychloroprene cover.
  • Polychloroprene tube stock was extruded to size over a flexible plastic mandrel.
  • a standard New England Butt Braider, double deck, 24 spool machine was used to apply both the first and second braided plies.
  • Example l wenty-four ribbon packages of the type prepared in Example l where used.
  • the first ply was braided over the polychloroprene tube, a polychloroprene layer (to size) was placed over the first braid, and the second ply was braided thereover.
  • a polychloroprene cover was extruded to size over the second braid.
  • the uncured hose was then covered with a lead sheath by means of a lead press, and the so encased hose was vulcanized for 45 minutes with 60 p.s.i.g. steam.
  • the lead sheath was then stripped from the hose.
  • the resultant hose was subjected to quality control testing in accordance with the SAE specification requirements and was found to fully conform thereto. Adherence between the rubber layers and textile plies was outstanding.
  • a high pressure hose comprising a cylindrical rubbery interior layer, a cylindrical ply of reinforcing textile ribbon braided fiat around said layer in such a way that the inner surface of said ply is in contact with the outer surface of said layer, and a second cylindrical rubbery layer disposed around and in contact with the outer surface of said ply, said ribbon comprising a plurality of relatively flattened substantially untwisted multi-filament yarns in side-by-side substantially parallel relationship with their adjacent edges touching one another, said yarns being thoroughly impregnated and surface-coated with a polymeric binder in an amount equal to from l0 percent to 25 percent by weight of said yarns on a dry basis and being bonded to one another by said polymeric binder to make up said ribbon, said ribbon being characterized by sufficient flexibility to enable it to be applied around said layer from wound ribbon packages by a braiding operation to form said cylindrical ply, said polymeric binder being capable of promoting adhesion between said yarns and said rubbery layers, said interior and second rubbery layers
  • a hose as defined in claim 1 which has two cylindrical plies of braided reinforcing textile ribbon as defined in said claim, said plies being separated by a cylindrical rubbery layer additional to said cylindrical rubbery interior layer referred to in said claim, and meets the specifications for SAE R3 hydraulic hose.
  • a hose as defined in claim 1 wherein said polymeric binder comprises dried solids deposited from an aqueous resorcinol-formaldehyde rubber latex solutioning material.
  • Hose as defined in claim 1 wherein said multi-filament yarns are formed from nylon.
  • a high pressure hose comprising a cylindrical rubbery interior layer, reinforcing textile comprising a cylindrical ply of reinforcing textile ribbon spirally Wrapped fiat around said layer in such a way that the inner surface of said ply is in contact with the outer surface of said layer, and a second cylindrical rubbery layer disposed around and in contact with the outer surface of said ply, said ribbon comprising a plurality of relatively flattened substantially untwisted multi-filament yarns in side-by-side substantially parallel relationship with their adjacent edges touching one another, said yarns being thoroughly impregnated and surface-coated with a polymeric binder in an amount equal to from 10 percent to 25 percent by weight of said yarns on a dry basis and being bonded to one another by said polymeric binder to make up said ribbon, said ribbon being characterized by sufficient flexibility to enable it to be applied around said layer from wound ribbon packages by a spiral wrapping operation to form said cylindrical ply, said polymeric binder being capable of promoting adhesion between said yarns and said rubbery layers, said

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
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  • Textile Engineering (AREA)
  • Organic Chemistry (AREA)
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  • Manufacturing & Machinery (AREA)
  • Medicinal Chemistry (AREA)
  • Reinforced Plastic Materials (AREA)
  • Laminated Bodies (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Decoration Of Textiles (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Nonwoven Fabrics (AREA)
  • Moulding By Coating Moulds (AREA)
US695163A 1968-01-02 1968-01-02 High pressure hose Expired - Lifetime US3605818A (en)

Applications Claiming Priority (1)

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US69516368A 1968-01-02 1968-01-02

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US3605818A true US3605818A (en) 1971-09-20

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US695163A Expired - Lifetime US3605818A (en) 1968-01-02 1968-01-02 High pressure hose

Country Status (9)

Country Link
US (1) US3605818A (ja)
JP (2) JPS4933697B1 (ja)
BE (1) BE725408A (ja)
DE (2) DE1817233B2 (ja)
FR (1) FR1594259A (ja)
GB (2) GB1233929A (ja)
LU (1) LU57719A1 (ja)
NL (1) NL6817257A (ja)
SE (1) SE351477B (ja)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3750712A (en) * 1970-07-16 1973-08-07 K Brand High pressure hose
US3779308A (en) * 1970-01-22 1973-12-18 Goodyear Tire & Rubber Cooling system including reinforced hose
US3918499A (en) * 1971-01-25 1975-11-11 Gates Rubber Co Hose
US5316046A (en) * 1986-12-27 1994-05-31 The Yokohama Rubber Co., Ltd. Power steering hose
US5372163A (en) * 1991-05-10 1994-12-13 Toyoda Gosei Co., Ltd. Reinforced hose
US5381834A (en) * 1993-09-14 1995-01-17 Teleflex Incorporated Hose assembly including reinforced layer having wear reducing fibers
US5445191A (en) * 1994-08-11 1995-08-29 General Motors Corporation High pressure brake hose with reinforcing layer of nonwater-based adhesive coated polyvinyl alcohol fibers
US5660210A (en) * 1992-03-05 1997-08-26 Toyoda Gosei Co., Ltd. Layered rubber hose with reinforcing
WO2005056452A1 (en) * 2003-12-03 2005-06-23 Dow Global Technologies Inc. Elongated cross section elastic fibers for stable packages
US7063181B1 (en) 2000-04-27 2006-06-20 Dana Corporation Fluid-borne noise suppression in an automotive power steering system
US20070227646A1 (en) * 2004-09-06 2007-10-04 Prime Polymer Co., Ltd Method for Producing Fiber-Reinforced Resin Composition
US20090211660A1 (en) * 2008-02-26 2009-08-27 Johnson Alan C Controlled expansion hose
US11015743B2 (en) * 2018-02-19 2021-05-25 Gates Corporation Pressure hose
CN115058810A (zh) * 2022-04-05 2022-09-16 山东超越纺织有限公司 莫代尔、双抗腈纶、桑蚕丝纤维紧密赛络纺纱工艺

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52128446U (ja) * 1976-03-26 1977-09-30
DE3211417C2 (de) * 1982-03-27 1986-12-18 Uranit GmbH, 5170 Jülich Vorrichtung zum Herstellen von Kreuzwicklungsschichten für faserverstärkte, rotationssymmetrische Wickelkörper
DE3408251A1 (de) * 1984-03-07 1985-09-12 Phoenix Ag, 2100 Hamburg Schlauch aus gummi oder gummiaehnlichem werkstoff

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3779308A (en) * 1970-01-22 1973-12-18 Goodyear Tire & Rubber Cooling system including reinforced hose
US3750712A (en) * 1970-07-16 1973-08-07 K Brand High pressure hose
US3918499A (en) * 1971-01-25 1975-11-11 Gates Rubber Co Hose
US5316046A (en) * 1986-12-27 1994-05-31 The Yokohama Rubber Co., Ltd. Power steering hose
US5372163A (en) * 1991-05-10 1994-12-13 Toyoda Gosei Co., Ltd. Reinforced hose
US5660210A (en) * 1992-03-05 1997-08-26 Toyoda Gosei Co., Ltd. Layered rubber hose with reinforcing
US5381834A (en) * 1993-09-14 1995-01-17 Teleflex Incorporated Hose assembly including reinforced layer having wear reducing fibers
US5445191A (en) * 1994-08-11 1995-08-29 General Motors Corporation High pressure brake hose with reinforcing layer of nonwater-based adhesive coated polyvinyl alcohol fibers
US7063181B1 (en) 2000-04-27 2006-06-20 Dana Corporation Fluid-borne noise suppression in an automotive power steering system
US20070116952A1 (en) * 2003-12-03 2007-05-24 Dow Global Technologies Inc. Elongated cross section elastic fibers for stable packages
WO2005056452A1 (en) * 2003-12-03 2005-06-23 Dow Global Technologies Inc. Elongated cross section elastic fibers for stable packages
US20070227646A1 (en) * 2004-09-06 2007-10-04 Prime Polymer Co., Ltd Method for Producing Fiber-Reinforced Resin Composition
US8012283B2 (en) * 2004-09-06 2011-09-06 Prime Polymer Co., Ltd. Method for producing fiber-reinforced resin composition
US20090211660A1 (en) * 2008-02-26 2009-08-27 Johnson Alan C Controlled expansion hose
US7694695B2 (en) 2008-02-26 2010-04-13 The Gates Corporation Controlled expansion hose
EP2250417A2 (en) * 2008-02-26 2010-11-17 The Gates Corporation Controlled expansion hose
EP2250417A4 (en) * 2008-02-26 2012-05-30 Gates Corp REGULATED EXPANSION HOSE
CN101960194B (zh) * 2008-02-26 2013-08-14 盖茨公司 膨胀软管及其制造方法
US11015743B2 (en) * 2018-02-19 2021-05-25 Gates Corporation Pressure hose
US11614182B2 (en) 2018-02-19 2023-03-28 Gates Corporation Reinforcement layer
CN115058810A (zh) * 2022-04-05 2022-09-16 山东超越纺织有限公司 莫代尔、双抗腈纶、桑蚕丝纤维紧密赛络纺纱工艺
CN115058810B (zh) * 2022-04-05 2024-06-07 山东超越纺织有限公司 莫代尔、双抗腈纶、桑蚕丝纤维紧密赛络纺纱工艺

Also Published As

Publication number Publication date
BE725408A (ja) 1969-06-13
LU57719A1 (ja) 1970-07-01
DE1817730A1 (de) 1970-05-06
DE1817233B2 (de) 1975-09-25
GB1233930A (ja) 1971-06-03
GB1233929A (ja) 1971-06-03
DE1817233A1 (de) 1969-09-18
FR1594259A (ja) 1970-06-01
JPS4933697B1 (ja) 1974-09-09
SE351477B (ja) 1972-11-27
JPS4933698B1 (ja) 1974-09-09
NL6817257A (ja) 1969-07-04

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