US2977839A - Nylon tubing with braided cover and method of making - Google Patents

Nylon tubing with braided cover and method of making Download PDF

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Publication number
US2977839A
US2977839A US751268A US75126858A US2977839A US 2977839 A US2977839 A US 2977839A US 751268 A US751268 A US 751268A US 75126858 A US75126858 A US 75126858A US 2977839 A US2977839 A US 2977839A
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United States
Prior art keywords
tubing
bath
tube
braided
nylon
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
Application number
US751268A
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English (en)
Inventor
Robert B Koch
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Polymer Corp
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Polymer Corp
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Filing date
Publication date
Priority to NL241696D priority Critical patent/NL241696A/xx
Application filed by Polymer Corp filed Critical Polymer Corp
Priority to US751268A priority patent/US2977839A/en
Priority to DE19591303367D priority patent/DE1303367C2/de
Priority to AT550759A priority patent/AT262702B/de
Priority to CH7630059A priority patent/CH393010A/fr
Application granted granted Critical
Publication of US2977839A publication Critical patent/US2977839A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/12—Ropes or cables with a hollow core
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • 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
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/26—Lining or sheathing of internal surfaces
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04D—TRIMMINGS; RIBBONS, TAPES OR BANDS, NOT OTHERWISE PROVIDED FOR
    • D04D1/00—Ropes or like decorative or ornamental elongated trimmings made from filamentary material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/10—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements not embedded in the wall
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • D07B2205/00—Rope or cable materials
    • D07B2205/20—Organic high polymers
    • D07B2205/2039—Polyesters
    • D07B2205/2042—High performance polyesters, e.g. Vectran
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S138/00—Pipes and tubular conduits
    • Y10S138/01—Adhesive

Definitions

  • This invention relates to nylon tubing and is particutent larly concerned with the production of a tubing upon which is applied a braided covering composed of synthetic plastic textile fibres.
  • the invention is especially useful in connection'with applying a synthetic textile fibre on the outside .of an extruded nylon tube and in bonding the braid to the tube in a manner to be described below. by means of which a tube of great strength, marked flexibility and extremely varied adaptability can be produced.
  • Figure 1 is a sectional-elevational view of apparatus :Piatented Apr; 4, 196 1 2 which I employ in braided tubing; v
  • Figure 2 is a plan view of Figure 1;
  • Figure :3 is a section of finished braided tubing partly broken away to illustrate certain details of the construction
  • Figure 4 is an enlarged partial cross section of a tubing having one layer of braided cover.
  • Figure-5 is a view similar to that of Figure 4 but showing a double layer of braiding on the tube. 1
  • a braided tubing of the charatcer described can be produced by first passing the tubing through a .bathsof a solvent agent for the tubing which is adapted toplasticize the surface thereof, then applying the fibres of the braid to the tubingwhile the surface is still plasticized by passing the tubing through a braiding machine and subsequently passing the braided tubing through a suitable water bath as will further appear, in order to -cure the; product and remove excess plasticizing solvent.
  • nylon tubes having nylon textile coverings having nylon textile coverings
  • high molecular weight linear polyamides for both the tube and the braid.
  • polyhexamethyl'ene' adipamide and polymerized epsilon caprolactam are especially useful with the present invention and, therefore, are preferred.
  • polycaprolactam seems to be somewhat superior because of its greater toughness and higher resistance to flex fatigue although both are satisfactory.
  • the first step in 'thebasic technique which I have developed for use in manufacturing my improved product is to plasticize the surface of the tube and to this end I prepare a bath of a suitable plasticizing agent, pref erably an aqueous solution of resorcinol because I have found that excellent results can be obtained with this material.
  • the bath is placed in a suitable tank 7 which is provided withheating means 8 so that the resorcinol bath 9 may be kept at any temperature desired.
  • the tank is preferably provided with a cover 10 through which a specific gravity gauge 11 may be inserted into the bath in order to determine the specific gravity of the bath.
  • the resorcinol should have a specific gravity ranging between 1.045 and 1 .051 when the resorcinol is at a temperature of The specific gravity will change with the temperature and the higher the temperature thelower the specific gravity. It might alsobe noted that evaporation of water will increase the specific gravity of the resorcinol bath. In order to prevent too rapid evaporation it is suggestedthat the surface of the bath be covered with polyethylene balls to a depth of approximately inch. Such balls will float on the bath and prevent rapid evaporation of v the water. A metallic cover can also be used to accomplish the same purpose;
  • the nylon tubing 12 is introduced at the left o tank as viewed in Figures 1 and. 2 and, is passed dqwn under the guide rollers l3 which' are arrangedtohold the tube under the surface of the bath.
  • the direction the manufacture of my. improved r of travel, of course, is'from left to right as indicated by the. arrows in Figure 1.
  • the tank is relatively long in relation to its depth but this relationship can vary as may be convenient in practice, the controlling factor being that the plasticizing action of the resorcinol factor being that the plasticizing action of the resorcinol on the surface of the tube is a timeatemperature relationship. If the bath is relatively cool, say in the neighborhood of room temperature, it is necessary, of course, that the tubing remain in the bath 'for a greater period of time than may be necessary with elevated temperatures. The matter of temperature will be discussed more fully hereinafter.
  • a suitable braiding machine 14 which may be of any desired type familiar to the art. I have employed for this purpose a 24-carrier War-dwell braider and the results obtained have been highly satisfactory. However, it is obvious that any suitable type of braiding machine may be used.
  • the braiding angle at which the fibers are applied to the tube is not of the essence of the invention insofar as its basic characteristics are concerned but the use to which the finished product is to be put will dictate to some extent the braiding angle which will yield the best product for that particular purpose. From a practical standpoint the braid angle may vary from somewhere near 28 to as much as 50 or even somewhat more. I prefer to apply the braid at a 42" angle..
  • the braiding angle is known as the helix angle and with an angle ranging between 38 and 42, very little stretch or shrinkage of the tube will occur when the tube is under internal pressure. Increasing the helix angle above 42 tends to cause a contraction of the tube when under internal pressure and lowering the helix angle below 38 tends to cause elongation of the tube when under pressure. Certain experimental results also indicate that the burst strength of the tube may drop off somewhat when the helix angle falls below 34 or goes much above 50. Between these limits, apparently, the burst strength remains substantially constant.
  • the braided tube 12a may be passed over a Wheel 15 and then led through a curing zone which, in my preferred practice, takesv the form of a fiat elongated tank 16 containing a bath of hot water 17, the braided tubing passing under suitable guide wheels 18 in the tank which serve to hold the tubing under the surface of the bath.
  • the effect of the bath is to cure the product by removing any excess plasticizing agent which may be prescut so as to avoid possible later degradation of the fin,- ished product.
  • the action of the bath is two-fold: (1) excess resorcinol is dissolved by the hot water'and there by removed and (2) the heat of the bath increases the plasticizing effect of the resorcinol. This tends to more deeply plasticize the surface of the nylon tube and at the same time, to plasticize the fibers of the braid which are in close proximity to the surface of the tube. In this way a strong bond is created by virtue of the fusion of these two surfaces. It should also be noted that the effect.
  • the temperature of the water bath 17 should be maintained somewhere between F. and 212 F. and preferably near F. because I have found that this temperature yields excellent results.
  • the period of time during which the braided tube remains in the water bath will depend upon its temperature and the quantity of excess plasticizing agent which may have to be removed. Therefore, the size of the hot water tank will have to be related to the speed of travel of the braided tube so that it will remain in the heating bath sufficiently long to accomplish the desired results.
  • the braided tube can be passed out of the bath and dried to remove moisture and then run to whatever form of storage may be appropriate or desired.
  • the tube Since the purpose of the bath is to plasticize the surface of the tube, the tube must be permitted to remain in the bath at whatever temperature may be employed until such time as there is sufiicient plasticizing effect to enable the soft surface to develop a bond with those fibres of the braid which are relatively near or in contact with the surface. Outwardly of this region the other fibres of the braid are not coated with or embedded in the plastic surface so that they do not lose their ability to move freely one over another and, therefore, do not in any way impair the flexibility of the braid as a whole.
  • the technique I employ with my invention lends itself extremely well to securing this result because I have found that plasticization is not sufiieient to involve more than the first few layers of the braid.
  • Another feature of my invention is the possibility of using a braid containing a mixture of nylon and polyester fibres of the character mentioned.
  • a polyester fibre prepared from terephthalic acid and ethylene glycol has somewhat greater strength than nylon as well as being somewhat less elastic.
  • a blend of the two fibres therefore, will result in a product having a somewhat greater burst strength.
  • it may be slightly less flexible but for some purposes this would not be an objectionable factor.
  • a blend or mixture of the two types of braiding material may vary widely insofar as the content of each is concerned, but I have found that good practical results are obtainable with blends containing anywhere from 5% to 50% of nylon.
  • nylon of course, will lend itself to a fusion type of bond as described above and this would be obtainable to a greater or less degree depending upon the percentage of nylon which may be included.
  • Afusion type of bond obviously, is somewhat. more secure than is a purely mechanical type of bond so that the determining factor in deciding upon the percentage of nylon to be included in a blended braid would be the degree of fusion bonding. that may be desirable for the purpose to which the finished product is to be put. 7
  • nylon tubing braided in accordance with the present invention will be strong and flexible. It will lend itself with remarkable facility to flaring and the application of flare fittings or couplings so that various lengths of tubing can be connected together as may be required to meet specific conditions.
  • the braid will not ravel when the tube is cut to desired lengths or when the braided surface is subjected'to mechanical abrasion sufficient to cause a break.
  • .can take the place of other and less desirable types of braided tubing presently available in the art. For a given purpose it can be madev with a much smaller overall dimension without impairment of its carrying capacity and as a consequence it will weigh less than other types of braided tubes.
  • fibres which method comprises passing the tubing through a bath of a solvent agent for the tubing adapted to plasticize the surface thereof, then applying the said fibres by passing the tubing through a braiding machine while the surface is still plasticized, and passing the braided tubing through an aqueous bath adapted to remove excess solvent and cure the product.
  • the method of applying a nylon braid on a nylon tube which comprises passing the tube through a resorcinol bath to plasticize the surface, applying the braid to the tube after it leaves the bath and while the surface is still plasticized, and then passing the braided tube through a hot water bath.
  • the method of applying nylon braid on a nylon tube which comprises passing the tube through a bath of an agent adapted to plasticize the surface of the tube, passing the tube through a braiding machine while the surface is still plasticized, and passing the braided tube through an aqueous bath adapted to remove excess plasticizing agent and cure the product.
  • the method of claim 1 which also includes application of a second braid layer on said first applied layer by passing the braided tube through a bath of a solvent agent for the fibres of the first layer to plasticize the surface thereof, then passing the tube through a braiding machine while the surface of the first braid layer is still plasticized, and then passing the tubing with both braids applied through an aqueous bath adapted to remove excess solvent and cure the product.
  • the covering includes fibre made from terephthalic acid and ethylene glycol, and further, wherein the solvent is a bath of resorcinol heated to from 140 F. to 180 F.
  • a method of applying a synthetic fibre braid to the surface of nylon tubing where the tubing is chosen from the class which consists of polyhexamethylene adiparnide and polymerized epsilon caprolactam and the 'braid fibre is chosen'from the class which consists of the same but including also polyester fibre prepared from terephthalic acid and ethylene glycol, said method comprising passing the tubing through a bath of resorcinol to plasticize the surface thereof, then applying the said fibres by passing the tubing through a braiding machine while the surface is still plasticized, and passing the braided tubing through a heated water bath to remove excess resorcinol and cure the product.
  • a method of applying a synthetic fibre braid to the surface of polyhexamethylene adipamide tubing comprising passing the tubing through a bathof resorcinol at room temperature to plasticize the surface thereof, then applying the said fibres by passing the tubing through a braiding machine while the surface is still plasticized, and passing the braided tubing through a heated water bath to remove excess resorcinol and cure the product.
  • nylon tubing carrying a braided and fibers made from terephthalic acid and ethylene glycol, the covering being composed of a plurality of superimposed filament layers with layers lying close to the surface of the tube being bonded thereto and layers lying outwardly thereof being free to move and slip with respect to one another.
  • nylon tubing carrying a braided textile covering from the class consisting of high molecular weight linear polyamides, the covering being composed of a plurality of superimposed filament layers, with layers lying close to the surface of the tube being bonded thereto and layers lying outwardly thereof being free to move and slip with respect to one another.
  • nylon tubing carrying a braided nylon textile covering said covering being composed of a plurality of superimposed filament layers with layers lying close to the surface of the tube being fused thereto and layers lying outwardly thereof being free to move and slip with respect to one another.
  • the method of applying a synthetic fiber braid to the surface of nylon tubing which comprises subjecting the tubing to the action of a solvent agent adapted to plasticize both the tubing and the braid, continuing the treatment until the surface of the tubing is plasticized, then applying the braid to the tubing while the surface is still plasticized, and then removing excess plasticizing solvent and curing the product.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Textile Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
US751268A 1958-07-28 1958-07-28 Nylon tubing with braided cover and method of making Expired - Lifetime US2977839A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL241696D NL241696A (de) 1958-07-28
US751268A US2977839A (en) 1958-07-28 1958-07-28 Nylon tubing with braided cover and method of making
DE19591303367D DE1303367C2 (de) 1958-07-28 1959-07-27 Verfahren zum herstellen eines mit einem geflecht aus polyamidfasern ueberzogenen polyamidschlauches
AT550759A AT262702B (de) 1958-07-28 1959-07-27 Schlauch aus Kunststoff und Verfahren zu seiner Herstellung
CH7630059A CH393010A (fr) 1958-07-28 1959-07-28 Procédé et appareil pour la fabrication de tubes en polyamides avec gaine extérieure et tubes ainsi obtenus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US751268A US2977839A (en) 1958-07-28 1958-07-28 Nylon tubing with braided cover and method of making

Publications (1)

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US2977839A true US2977839A (en) 1961-04-04

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US751268A Expired - Lifetime US2977839A (en) 1958-07-28 1958-07-28 Nylon tubing with braided cover and method of making

Country Status (5)

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US (1) US2977839A (de)
AT (1) AT262702B (de)
CH (1) CH393010A (de)
DE (1) DE1303367C2 (de)
NL (1) NL241696A (de)

Cited By (35)

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Publication number Priority date Publication date Assignee Title
US3334165A (en) * 1962-09-06 1967-08-01 Polymer Corp Method of bonding a nylon cover onto a braided nylon hose
US3383258A (en) * 1963-08-30 1968-05-14 Alfred Roberts & Sons Ltd Method of making a flexible high pressure hose
US3413169A (en) * 1964-08-13 1968-11-26 Dynamit Nobel Ag Method of making a hose combination of a plastic liner and a fibrous sheath
US3421405A (en) * 1964-10-14 1969-01-14 Norristown Rug Mfg Co Braided rug employing thermoplastic tubing
US3610420A (en) * 1968-06-26 1971-10-05 Westinghouse Electric Corp Porous support tubes for reverse osmosis
US3773089A (en) * 1971-10-28 1973-11-20 Imp Eastman Corp Hose construction and method of forming the same
US3790419A (en) * 1970-07-17 1974-02-05 Uniroyal Inc Method of making textile-reinforced all-polymeric hose
US3791415A (en) * 1972-05-15 1974-02-12 Hydraflow Supply Inc Resilient flexible hose
US3828112A (en) * 1973-03-14 1974-08-06 Moore & Co Samuel Composite hose for conductive fluid
US3861973A (en) * 1973-02-27 1975-01-21 Rilsan Corp Polyamide hose and preparation thereof
US3881975A (en) * 1973-04-26 1975-05-06 Rilsan Corp Polyamide hose and preparation thereof
US3905398A (en) * 1974-04-23 1975-09-16 Moore & Co Samuel Composite reinforced hose wherein the reinforcing material is braided aromatic polyamide filaments
US3914146A (en) * 1974-02-19 1975-10-21 Rilsan Corp Polyester hose and preparation thereof
US3944453A (en) * 1974-07-05 1976-03-16 Imperial-Eastman Corporation Hose construction
US3947619A (en) * 1973-10-17 1976-03-30 Bayer Aktiengesellschaft Method of joining fabrics
US3988189A (en) * 1973-09-14 1976-10-26 Parker-Hannifin Corporation Method of constructing a hose
US4064913A (en) * 1976-10-04 1977-12-27 Parker-Hannifin Corporation Flexible reinforced hose and method of making the same
US4276908A (en) * 1978-08-25 1981-07-07 The Polymer Corporation Bonded thermoplastic hose
US4308895A (en) * 1980-01-25 1982-01-05 Parker-Hannifin Corporation Flame bonded hose
US4547626A (en) * 1983-08-25 1985-10-15 International Standard Electric Corporation Fire and oil resistant cable
US4684556A (en) * 1984-02-14 1987-08-04 Tokyo Gas Co., Ltd. Tubular lining material for pipe line
US4754685A (en) * 1986-05-12 1988-07-05 Raychem Corporation Abrasion resistant braided sleeve
US4850999A (en) * 1980-05-24 1989-07-25 Institute Fur Textil-Und Faserforschung Of Stuttgart Flexible hollow organ
WO1991014034A1 (en) * 1990-03-12 1991-09-19 The Bentley-Harris Manufacturing Company Braided product and method of making same
US5186992A (en) * 1990-03-12 1993-02-16 The Bentley-Harris Manufacturing Company Braided product and method of making same
US5381834A (en) * 1993-09-14 1995-01-17 Teleflex Incorporated Hose assembly including reinforced layer having wear reducing fibers
US5628788A (en) * 1995-11-07 1997-05-13 Corvita Corporation Self-expanding endoluminal stent-graft
US5638870A (en) * 1992-03-31 1997-06-17 Daiwa Seiko, Inc. Fiber-reinforced thermoplastic tubular body
US5700269A (en) * 1995-06-06 1997-12-23 Corvita Corporation Endoluminal prosthesis deployment device for use with prostheses of variable length and having retraction ability
US5849037A (en) * 1995-04-12 1998-12-15 Corvita Corporation Self-expanding stent for a medical device to be introduced into a cavity of a body, and method for its preparation
US5968091A (en) * 1996-03-26 1999-10-19 Corvita Corp. Stents and stent grafts having enhanced hoop strength and methods of making the same
US20030149472A1 (en) * 1995-11-07 2003-08-07 Leonard Pinchuk Modular endluminal stent-grafts and methods for their use
US20110197421A1 (en) * 2009-08-27 2011-08-18 Hartline John M Method of Forming Mesh Golf Tee
US10617777B2 (en) * 2018-04-27 2020-04-14 KleanTouch LLC Sanitizing door handle with external fluid container
CN113650273A (zh) * 2021-08-30 2021-11-16 河北工业大学 一种轻质耐高压复合材料管材、制备方法及制备系统

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US1204065A (en) * 1912-09-21 1916-11-07 Textile Machine Works Braiding and coating mechanism.
US2025038A (en) * 1932-04-20 1935-12-24 Johns Manville Apparatus for making a braided product
GB491542A (en) * 1937-03-09 1938-09-05 Longdon & Company Ltd F Improvements in and relating to wrapped threads and the manufacture thereof
FR855058A (fr) * 1939-01-18 1940-05-01 Cordon de tirage perfectionné et procédé pour sa fabrication
US2257648A (en) * 1939-11-18 1941-09-30 Nat Standard Co Reinforcing element and method of manufacture
US2262514A (en) * 1940-04-27 1941-11-11 Resistoflex Corp Manufacture of covered tubing
US2284728A (en) * 1941-01-09 1942-06-02 Dreyfus Camille Braid
US2366853A (en) * 1942-08-07 1945-01-09 Flex O Tube Company Method of manufacturing flexible hose
US2426413A (en) * 1943-07-07 1947-08-26 Henleys Telegraph Works Co Ltd Manufacture of insulated electric conductors
US2512433A (en) * 1946-03-22 1950-06-20 Ici Ltd Hose pipe and method of making same
US2608901A (en) * 1950-12-22 1952-09-02 Barnhardt Mfg Company Cylindrical absorptive fibrous body and the manufacture thereof
US2652093A (en) * 1949-03-02 1953-09-15 Gates Rubber Co Method of making reinforced rubber hose
US2824485A (en) * 1953-11-20 1958-02-25 Francis J Gregory Tennis string or like article

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1204065A (en) * 1912-09-21 1916-11-07 Textile Machine Works Braiding and coating mechanism.
US2025038A (en) * 1932-04-20 1935-12-24 Johns Manville Apparatus for making a braided product
GB491542A (en) * 1937-03-09 1938-09-05 Longdon & Company Ltd F Improvements in and relating to wrapped threads and the manufacture thereof
FR855058A (fr) * 1939-01-18 1940-05-01 Cordon de tirage perfectionné et procédé pour sa fabrication
US2257648A (en) * 1939-11-18 1941-09-30 Nat Standard Co Reinforcing element and method of manufacture
US2262514A (en) * 1940-04-27 1941-11-11 Resistoflex Corp Manufacture of covered tubing
US2284728A (en) * 1941-01-09 1942-06-02 Dreyfus Camille Braid
US2366853A (en) * 1942-08-07 1945-01-09 Flex O Tube Company Method of manufacturing flexible hose
US2426413A (en) * 1943-07-07 1947-08-26 Henleys Telegraph Works Co Ltd Manufacture of insulated electric conductors
US2512433A (en) * 1946-03-22 1950-06-20 Ici Ltd Hose pipe and method of making same
US2652093A (en) * 1949-03-02 1953-09-15 Gates Rubber Co Method of making reinforced rubber hose
US2608901A (en) * 1950-12-22 1952-09-02 Barnhardt Mfg Company Cylindrical absorptive fibrous body and the manufacture thereof
US2824485A (en) * 1953-11-20 1958-02-25 Francis J Gregory Tennis string or like article

Cited By (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3334165A (en) * 1962-09-06 1967-08-01 Polymer Corp Method of bonding a nylon cover onto a braided nylon hose
US3383258A (en) * 1963-08-30 1968-05-14 Alfred Roberts & Sons Ltd Method of making a flexible high pressure hose
US3413169A (en) * 1964-08-13 1968-11-26 Dynamit Nobel Ag Method of making a hose combination of a plastic liner and a fibrous sheath
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Also Published As

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DE1303367B (de) 1973-06-28
AT262702B (de) 1968-06-25
DE1303367C2 (de) 1974-02-14
CH393010A (fr) 1965-05-31
NL241696A (de) 1900-01-01

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