EP0532500B1 - Geflechte und dessen herstellungsverfahren - Google Patents

Geflechte und dessen herstellungsverfahren Download PDF

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Publication number
EP0532500B1
EP0532500B1 EP91905651A EP91905651A EP0532500B1 EP 0532500 B1 EP0532500 B1 EP 0532500B1 EP 91905651 A EP91905651 A EP 91905651A EP 91905651 A EP91905651 A EP 91905651A EP 0532500 B1 EP0532500 B1 EP 0532500B1
Authority
EP
European Patent Office
Prior art keywords
braid
monofilaments
coating
expandable
braided
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
EP91905651A
Other languages
English (en)
French (fr)
Other versions
EP0532500A4 (de
EP0532500A1 (de
Inventor
J. Sellers Kite, Iii
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Federal Mogul Systems Protection Group Inc
Original Assignee
Bentley Harris Manufacturing Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bentley Harris Manufacturing Co filed Critical Bentley Harris Manufacturing Co
Publication of EP0532500A4 publication Critical patent/EP0532500A4/de
Publication of EP0532500A1 publication Critical patent/EP0532500A1/de
Application granted granted Critical
Publication of EP0532500B1 publication Critical patent/EP0532500B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
    • D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
    • D04C1/02—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof made from particular materials
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
    • D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
    • D04C1/06—Braid or lace serving particular purposes
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00—Industrial
    • D10B2505/12—Vehicles

Definitions

  • This invention relates to monofilament braided product and to methods for making same. It relates more particularly to braided product made up of monofilaments, typically of a resilient engineering plastic material and typically (but not necessarily) in the form of a tubular sleeve.
  • One known form of braided product is the ExpandoTM self-fitting protective oversleeve made by Bentley-Harris Manufacturing Co. of Lionville, Pennsylvania.
  • This tubular sleeve is expandable in that, when the ends are pushed toward each other it expands in diameter, and when they are released it returns to its original shape and size. This enables it to be pulled or pushed over objects of different diameters, including diameters greater than the unstressed or "rest" diameter of the sleeve, and also enable it to accommodate expansion, bending and twisting of hoses or wires which may run through it.
  • This expandable braided product also exhibits a "spring-back" or “memory” characteristic, whereby it tends to return to its rest diameter when released from longitudinal forces.
  • Such expandable braided sleeving has been widely used, for example to protect, and/or dress, wiring harnesses and hose assemblies.
  • Prior art patents include US-A-3334165 which discloses an overall coating of nylon as an impermeable, essentially protective sheath on top of a braid used to reinforce a hose.
  • GB-A-144860 discloses a method of making a continuous strip of a bias-cut woven fabric by applying a curable liquid binder to stabilise the fabric in its as-cut state, prior to use as reinforcement for a drive belt.
  • US-A-4870887 discloses a braided sleeve containing a rigid filament, for example a stainless steel wire, to prevent splaying of the sleeve when cut.
  • a rigid filament for example a stainless steel wire
  • the sleeve is coated with a polymeric material.
  • US-A-3048078 discloses a method of making an extensible electrical cable in which a textile braid is incorporated into an outer insulation layer of rubber.
  • an expandable braid comprising a plurality of braided monofilaments in which the braid is coated with an adherent solid elastomeric material extending from over-weave monofilaments to their associated underweave monofilaments at their respective cross-overs, thereby permitting the monofilaments to pivot with respect to each other as required to retain the desired expandable characteristics, while preventing splaying, the openings between said monofilaments being substantially free of said coating.
  • the coating is preferably applied by passing the braid continuously through a liquid bath containing the elastomeric coating material in flowable form, and then solidifying the coating in position on the braided product.
  • the viscosity of the liquid of the coating is such that it provides enough material in the proper places to fix the monofilaments against end splaying, while retaining the ability of the filaments to pivot with respect to each other, and the consequent ability of the sleeve to expand and shrink in cross-sectional size. If the coating does initially extend across the openings between the monofilaments, it is preferably broken by longitudinal compression of the braided material.
  • Figure 1 shows a section of expanded, braided tubular sleeving 8, constructed in accordance with the prior art and exhibiting undesired splaying of the monofilaments at its end 9.
  • Figure 2 shows a length of expandable, braided, tubular sleeving 10 in accordance with the present embodiment of the invention. It is made up of monofilaments such as 11, 12, 13, 14 in a simple single-strand two-over, two-under braid pattern. Each monofilament in this example is of engineered plastic, for example nylon or polyester, and is substantially rectangular in cross-section.
  • the monofilaments are covered with an adherent elastomeric coating 16.
  • the coating may contain a break where one monofilament crosses another, as indicated by the break lines such as 20, 21 in Figure 6.
  • the coating does not decrease substantially the areas of the openings such as 30, 31 between the monofilaments, so that space remains for the filaments to pivot at the cross-overs, one with respect to its adjacent neighbour, during expansion and contraction of the sleeve, according to the usual characteristic of such expandable braids.
  • the elastomeric coating tends to fix the positions of the cross-overs, but being elastomeric, it permits the necessary pivoting of the monofilaments with respect to each other. This fixing action of the elastomer material prevents the ends from splaying, as is important for the reasons pointed out above.
  • the retention of the openings such as 30, 31 also permits a wire or the like to be extracted and passed outwardly from the sleeve if so desired.
  • the coating may be applied, it is preferred to accomplish it by passing a continuous sleeve of the braided material through a bath of the coating material and then drying it in an oven.
  • a continuous, expandable braided tube of about 9.5mm (9.5x10 ⁇ 3 metres) rest diameter is made in conventional manner from 48 monofilaments of 11.1 tex, (100 denier) nylon, each monofilament about 0.75mm (30 mils) wide and about 0.25mm (10 mils) in thickness; the braided tubing is typically coiled on a spool in long lengths, eg, 609.6 metre lengths. The tubing from the spool is then run lengthwise downward into and through a bath of the coating material, continuing upwardly therefrom through a hot-air oven typically operating at about 150°C.
  • the liquid coating material may be resorcinol formaldehyde, with a viscosity of 15 N/s/m ⁇ 2, (15,000 centipoises) or less so that it will coat the monofilaments in the braid without closing the openings between them.
  • the tubing is subjected to stretching while passing through the bath, and until drying of the coating is complete.
  • the resultant braided tubing can be cut to length with ordinary scissors, and will then exhibit minimal tendency toward splaying. Nevertheless, when longitudinally compresses it will increase its diameter, and it will also exhibit memory in that, when unstressed, it tends to return to the diameter and length it had before compression.
  • the invention is applicable to a wide variety of sizes, shapes and materials of braids and of monofilaments, including monofilaments of round cross-section; it is also of wide applicability with respect to the number of monofilaments in the braid. While many important applications of the invention involve a tubular braid, the invention is also useful in making flat, mat-like expandable braid products.
  • the coating material is preferably elastomeric
  • at least some of the advantages of the invention may be realised by using a non-elastomeric material for the coating which does not bond the filaments rigidly together, but instead fractures upon compression and/or stretching of the braid, leaving low walls of coating material on each side of each monofilament at each cross-over to provide a positioning channel, or at least a high-friction surface, which resists the type of displacement of the monofilaments which occurs during splaying.
  • a similar effect exists in some case when an elastomeric material is used which fractures during stretching and/or compression.
  • Other coating procedures may also be used, so long as they do not result in such a thick, pervasive coating that the monofilaments cannot pivot, each with respect to its neighbour, as is required to exhibit the desired expandable characteristic.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Textile Engineering (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)

Claims (12)

  1. Ausdehnbares Geflecht umfassend eine Mehrzahl von geflochtenen Monofilamenten und eine Beschichtung eines anhaftenden festen elastomeren Materials auf diesen Fäden, welche diese Fäden an ihren richtigen Stellungen zueinander hält, um Aufspleißen der Enden dieses Geflechts zu vermeiden, während sie sich gegeneinander an jeder ihrer Überkreuzungsstellen drehen bzw. verschwenken können, so daß die Ausdehnungsmerkmale eines solchen Geflechts erhalten bleiben, wobei die Öffnungen zwischen diesen Monofilamenten praktisch frei von dieser Beschichtung sind.
  2. Ausdehnbares Geflecht nach Anspruch 1, dadurch gekennzeichnet, daß das elastomere Material aus der Gruppe gewählt ist, die aus Recorcin/Formaldehyd und Acryllatex besteht.
  3. Ausdehnbares Geflecht nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Monofilamente aus Kunststoffkonstruktionsmaterial sind.
  4. Ausdehnbares Geflecht nach Anspruch 3, dadurch gekennzeichnet, daß die Monofilamente aus Nylon oder Polyester sind.
  5. Ausdehnbares Geflecht nach irgendeinem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß sich die Beschichtung über praktisch die Gesamtheit der freiliegenden Oberflächen dieser Monofilamente durch die Länge dieses Geflechts erstreckt.
  6. Ausdehnbares Geflecht nach irgendeinem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Beschichtung etwa 0,025 mm bis etwa 0,5 mm (etwa 1 bis etwa 20 mils) Dicke hat.
  7. Verfahren zur Behandlung eines ausdehnbaren Geflechtes, umfassend eine Mehrzahl von verflochtenen Monofilamenten, zur Verminderung seiner Neigung an den Enden aufzuspleißen, während seine Ausdehnungseigenschaften beibehalten bleiben, gekennzeichnet durch die Stufe der Bildung einer festen Beschichtung eines anhaftenden festen elastomeren Materials auf diesen Monofilamenten dieses Geflechts, um sie in ihren richtigen relativen Stellungen zu halten und dadurch die Neigung für Aufspleißen an den Enden dieses Geflechts auf ein Minimum zu bringen, wobei die Beschichtung gestattet, daß die Monofilamente sich gegeneinander an ihren Überkreuzungsstellen drehen bzw. verschwenken, so daß sie die Ausdehnungsmerkmale dieses Geflechtes beibehalten, und wobei diese Bildungsstufe das Beschichten von praktisch allen freiliegenden Oberflächen dieser Monofilamente mit diesem elastomeren Material in fließfähiger Form ohne Füllen der Öffnungen zwischen diesen Monofilamenten umfaßt.
  8. Verfahren nach Anspruch 7, dadurch gekennzeichnet, daß das Material aus der Gruppe gewählt ist, die aus Recorcin/Formaldehyd und Acryllatex besteht.
  9. Verfahren nach Anspruch 7 oder 8, dadurch gekennzeichnet, daß die Beschichtung etwa 0,025 mm bis etwa 0,5 mm (etwa 1 bis etwa 20 mils) Dicke hat.
  10. Verfahren nach irgendeinem der Ansprüche 7 bis 9, dadurch gekennzeichnet, daß die Bildung dieser Beschichtung das Durchführen dieses Geflechts durch ein Bad des elastomeren Materials in seiner fließfähigen Form umfaßt und danach das Verfestigenlassen dieses Matrials auf diesem Geflecht.
  11. Verfahren nach Anspruch 10, dadurch gekennzeichnet, daß das elastomere Material in seiner fließfähigen Form eine Viskosität von nicht wesentlich größer als 15 N/s/m⁻² (15.000 cP) hat.
  12. Verfahren nach irgendeinem der Ansprüche 7 bis 11, dadurch gekennzeichnet, daß man den festen Überzug über diesen Monofilamenten, und den Öffnungen zwischen ihnen bildet und danach dieses geflochtene Erzeugnis zusammendrückt, um diese Beschichtung in den Bereichen zu brechen, wo sie diese Öffnungen bedeckt.
EP91905651A 1990-03-12 1991-02-28 Geflechte und dessen herstellungsverfahren Expired - Lifetime EP0532500B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US49280290A 1990-03-12 1990-03-12
US492802 1990-03-12
PCT/US1991/001303 WO1991014034A1 (en) 1990-03-12 1991-02-28 Braided product and method of making same

Publications (3)

Publication Number Publication Date
EP0532500A4 EP0532500A4 (de) 1992-12-15
EP0532500A1 EP0532500A1 (de) 1993-03-24
EP0532500B1 true EP0532500B1 (de) 1995-05-10

Family

ID=23957685

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91905651A Expired - Lifetime EP0532500B1 (de) 1990-03-12 1991-02-28 Geflechte und dessen herstellungsverfahren

Country Status (7)

Country Link
EP (1) EP0532500B1 (de)
JP (1) JP3101680B2 (de)
KR (1) KR0138249B1 (de)
CA (1) CA2078121C (de)
DE (1) DE69109675T2 (de)
ES (1) ES2074710T3 (de)
WO (1) WO1991014034A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8771817B2 (en) 2007-07-20 2014-07-08 Federal Mogul Systems Protection Method for applying an elastomer on a sheath

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6148865A (en) * 1996-12-02 2000-11-21 A & P Technology, Inc. Braided sleeve, tubular article and method of manufacturing the tubular article
US6250193B1 (en) 1996-12-02 2001-06-26 A & P Technology, Inc. Braided structure with elastic bias strands
GB9717821D0 (en) 1997-08-21 1997-10-29 Spinoza Marc H Fasteners
ES2156049B1 (es) * 1998-04-01 2002-02-01 Relats Sa Procedimiento para el tratamiento de tubos de proteccion.
ES2244334B1 (es) * 2004-05-19 2006-09-01 Relats, S.A. Tubo de proteccion.
GB2429154B (en) 2005-07-13 2011-06-01 Sull Ltd Apparatus for securing a line to a patient
GB2464932B (en) 2008-10-28 2013-07-03 Braidlock Ltd Methods and apparatus for securing a line
US10443166B2 (en) * 2015-10-30 2019-10-15 Federal-Mogul Powertrain Llc Braided textile sleeve with integrated opening and self-sustaining expanded and contracted states and method of construction thereof

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2393530A (en) * 1943-09-28 1946-01-22 Bentley Harris Mfg Co Flexible sleeving
GB697847A (en) * 1950-03-14 1953-09-30 Brev Filastic Et Procedes Bong Improvements in and relating to the treatment of textile materials
NL241696A (de) * 1958-07-28 1900-01-01
US3048078A (en) * 1960-04-29 1962-08-07 Kaplan Philip Method of producing extensible electric cables
FR1231457A (fr) * 1962-09-06 1960-09-29 Polymer Corp Procédé et appareil pour la fabrication de tubes en polyamides avec gaine extérieure et tubes conformes à ceux obtenus
GB1422936A (en) * 1971-11-24 1976-01-28 Alenco Hilyn Ltd Flexible pipe or hose lines
GB1448601A (en) * 1973-12-17 1976-09-08 Burlington Industries Inc Method of making and treating bias cut fabric
US4452279A (en) * 1982-02-16 1984-06-05 Titeflex Corporation Silicone/elastomer fiberglass sleeves
US4754685A (en) * 1986-05-12 1988-07-05 Raychem Corporation Abrasion resistant braided sleeve
US4870887A (en) * 1988-03-18 1989-10-03 The Bentley-Harris Manufacturing Company Braided sleeve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8771817B2 (en) 2007-07-20 2014-07-08 Federal Mogul Systems Protection Method for applying an elastomer on a sheath

Also Published As

Publication number Publication date
JPH05505000A (ja) 1993-07-29
JP3101680B2 (ja) 2000-10-23
ES2074710T3 (es) 1995-09-16
CA2078121A1 (en) 1991-09-13
EP0532500A4 (de) 1992-12-15
WO1991014034A1 (en) 1991-09-19
KR937000718A (ko) 1993-03-15
DE69109675D1 (de) 1995-06-14
KR0138249B1 (ko) 1998-05-15
DE69109675T2 (de) 1995-11-23
CA2078121C (en) 1999-07-20
EP0532500A1 (de) 1993-03-24

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