EP1123998A2 - Bande tubulaire en textile - Google Patents

Bande tubulaire en textile Download PDF

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Publication number
EP1123998A2
EP1123998A2 EP00124315A EP00124315A EP1123998A2 EP 1123998 A2 EP1123998 A2 EP 1123998A2 EP 00124315 A EP00124315 A EP 00124315A EP 00124315 A EP00124315 A EP 00124315A EP 1123998 A2 EP1123998 A2 EP 1123998A2
Authority
EP
European Patent Office
Prior art keywords
thread
hose band
band according
yarn
hose
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.)
Pending
Application number
EP00124315A
Other languages
German (de)
English (en)
Other versions
EP1123998A3 (fr
Inventor
Martina Reichel
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.)
Strahle & Hess & Co KG GmbH
Original Assignee
Strahle & Hess & Co KG GmbH
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 Strahle & Hess & Co KG GmbH filed Critical Strahle & Hess & Co KG GmbH
Publication of EP1123998A2 publication Critical patent/EP1123998A2/fr
Publication of EP1123998A3 publication Critical patent/EP1123998A3/fr
Pending legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
    • D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/22—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration
    • 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
    • D10B2505/06—Packings, gaskets, seals

Definitions

  • the invention relates to a textile hose band for Lining of bearing elements, the hose band designed as a knitted fabric with a 2-thread system is.
  • Such textile hose straps can be used for example, line bearing bushings that are of storage a stabilizer of a motor vehicle, or also torsion bar bearings of undercarriages.
  • the stored Part is here in the bearing bush around it Longitudinal axis held rotatable.
  • the textile Hose band can be the friction between the bearing bush and the part to be stored, e.g. the anti-roll bar Reduce.
  • the hose band is usually designed as a knitted fabric with a 2-thread system, a first thread the hose band the required Gives stability while the second thread is made of a material that is as possible low coefficient of friction with regard to has the part to be stored.
  • material for the first Thread is usually a polyester while for the second thread polytetrafluoroethylene is provided.
  • the textile hose band is usually made by plating manufactured, that is, the two threads are processed so that the first thread on the outside of the hose and the second thread on the inside of the hose appears.
  • both threads form common Rows of stitches.
  • the design of the hose band as clad knitted fabric requires great care in manufacturing of the hose band, as due to the knitting of the different threads set uneven thread tensions can. As a result, the two threads slip, so that especially the second, low-friction Thread on the inside of the hose band is arranged unevenly distributed. This can do that cause areas within the hose band train with relatively high friction, whereby in turn affects the functionality of the bearing element can be.
  • the cost of manufacturing the textile hose band are usually by that for the low-friction Thread used material determined. It it is therefore desirable to keep this proportion as low as possible to keep.
  • the object of the present invention is a textile To design hose band of the type mentioned at the outset, that the second thread if possible on one side of the hose band is evenly distributed and the hose band can be produced more cheaply.
  • the for the stability of the hose band provided first thread full rows of stitches, while the second, low-friction Thread does not form stitches, just over tuck loops in the course of the first thread is involved, but otherwise forms thread floats.
  • the thread floating formed by the second thread ensure that the second thread practically only on the inside of the hose band is evenly distributed.
  • the second thread is more even Sequence of tuck handles and thread floats.
  • the second thread alternately a tuck handle and a thread float trains.
  • the first thread is a right / left knit forms that on the outside only right Meshes arranged in a V-shape next to and below each other Mesh thighs and only on the inside left stitches with curved mesh heads and -feet shows, and the second thread over the mesh thighs the right stitch of the first thread afloat lies so that it is on the inside of the hose band runs.
  • a particularly low-friction, stable hose band can be achieved by thread floating two immediately adjacent rows of the second thread staggered by one stitch are.
  • a material for the first thread for example a chemical thread or a continuous chemical filament thread are used.
  • a chemical thread or a continuous chemical filament thread are used.
  • has proven to be particularly advantageous The use of polyester has been proven to be inexpensive is producible and has a high stability.
  • a high tenacity comes for the first thread Polyester used, for example a polyester with a strength of at least 30 cN / tex.
  • the yarn preferably 250 to 500 filaments.
  • the first thread has a fineness from about 900 dtex to about 2000 dtex, in particular 1200 to 1600 dtex.
  • a polytetrafluoroethylene material is preferably used for the second thread used as this is a special has low friction.
  • a filament yarn can be used for the second thread a ribbon thread is also used, the second thread preferably a fineness of 500 dtex up to approx. 1800 dtex, in particular 1100 to 1500 dtex.
  • the hose band is heat-treated.
  • the Hose band is heated to at least 200 ° C.
  • the heat treatment causes the Hose band, this being a special one has high stability.
  • Such stability is especially desirable because the textile Hose band for the production of the lined bearing element usually with high pressure and high Injection molded plastic or rubber material becomes.
  • the hose band on has little friction inside while it on the outside as rough and as rough as possible should have porous surface so that when Injection molding the plastic or rubber material of the bearing element form-fitting connection with the hose band.
  • FIG. 1 there is a reference number 10 overall occupied, sleeve-shaped bearing bush shown that is made of a plastic or rubber material and a central through opening 12 with a longitudinal axis 13, which has a part to be stored, for example a transverse stabilizer of a vehicle.
  • the through opening 12 is for reducing the friction between the bearing bush and the part to be stored lined with a textile hose band 14.
  • the lined bearing bush is manufactured such that the textile tubular band 14 mounted on a mandrel and then with liquid, plastic or rubber material under high pressure the bearing bush 10 is encapsulated. It is therefore desirable, the hose band 14 on his the bearing bush 10 facing outside with a rough and porous surface plastic or rubber material during injection molding connects positively with the hose band 14. In contrast, the hose band 14 should be on his Inside a low friction surface of the part to be stored.
  • tubular band 14 as a knitted fabric with a 2-thread system made with a polyester thread as the first thread with a fineness of preferably about 1500 dtex is used while for the second thread Polytetrafluoroethylene (PTFE) yarn is used a fineness of preferably 1300 dtex.
  • PTFE polytetrafluoroethylene
  • first thread 16 forms here the first thread 16 full courses 20 with on successive stitches 22, each one Mesh head 24 and two V-shaped aligned with each other Include mesh legs 26.
  • the first thread 16 forms a total of a right / left knitted fabric, the right stitches on the outside of the tubular band 14 and the left stitches on the inside of the hose band 14 are visible.
  • the second thread forms 18 no stitches, but a quick thread, the only about tuck 28 in the courses 20 of the first thread 16 is involved.
  • the second thread 18 thus forms between the tuck handles 28 thread floats 30 and is over in this area the mesh legs 26 and therefore on the inside of the hose band 14 arranged.
  • the hose band 14 is produced by means of a circular knitting machine, whose latch needles are individually let choose, preferably in a ratio of 1: 1, the first thread 16 being fully knitted while the second thread 18 is not processed by every second needle becomes.
  • the hose band 14 Since the second thread 18 does not have complete stitches four integration points, but only catch handles 28 having only two attachment points, to which a thread float 30 is connected, the hose band 14 only requires one low proportion of material for the second thread 18 compared to the material content for the first thread 16. Since the manufacturing costs for the hose band 14 essentially through the lower-friction second thread 18, which in the present exemplary embodiment is made of polytetrafluoroethylene is manufactured, determined, points thus the hose band 14 is relatively small overall Manufacturing costs.
  • the second thread shows 18 an offset such that tuck 28 and thread floats 30 two adjacent rows of thread 18 are arranged offset from one another, so that in Longitudinal direction of the hose band 14 of a thread float 30 a first row a tuck 28 of a second Row of thread 18 follows.
  • this does one Alignment of the catch handles 28 and the thread floats 30 in a direction oblique to the course 20 thread floats 30 aligned at an angle to one another each form an investment area for that of the bearing bush 10 parts to be stored, which within the bearing bush 10 arranged rotatably about its longitudinal axis 13 is.
  • the thread floats 30 are thus oblique to the axis of rotation aligned, and a rotation of the stored Part around the longitudinal axis 13 has the result that in the Area between the part to be stored and the hose band 14 dirt particles entered along the oblique aligned thread floats 30 from the area of Through opening 12 of the bearing bush 10 expelled become.
  • the bearing bush 10 thus shows a type "Self-cleaning effect".
  • the hose band 14 In the manufacture of the hose band 14, this is subjected to a heat treatment after the knitting process, by the tube tape 14, which has not yet been cut to length, continuously transported by a fixing device in which it remains for a dwell time of about 1 min. exposed to a temperature of approximately 240 ° C. This heat treatment causes the first, thread made of polyester, which the Hose band 14 receives additional stability.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
EP00124315A 2000-02-09 2000-11-16 Bande tubulaire en textile Pending EP1123998A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10005638A DE10005638A1 (de) 2000-02-09 2000-02-09 Textiles Schlauchband
DE10005638 2000-02-09

Publications (2)

Publication Number Publication Date
EP1123998A2 true EP1123998A2 (fr) 2001-08-16
EP1123998A3 EP1123998A3 (fr) 2002-06-26

Family

ID=7630299

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00124315A Pending EP1123998A3 (fr) 2000-02-09 2000-11-16 Bande tubulaire en textile

Country Status (2)

Country Link
EP (1) EP1123998A3 (fr)
DE (1) DE10005638A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104532461A (zh) * 2015-01-26 2015-04-22 浙江宝娜斯袜业有限公司 一种丝袜组织机构以及使用该丝袜组织结构的战斗袜

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3068053A (en) * 1960-02-16 1962-12-11 Russell Mfg Co Fabric bearing
US3115693A (en) * 1959-05-11 1963-12-31 Du Pont Process of making a knitted fabric
EP0202897A2 (fr) * 1985-05-17 1986-11-26 The Bentley-Harris Manufacturing Co. Palier en tricot
NL8600536A (nl) * 1986-03-03 1987-10-01 Ihc Holland Nv Lager.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1031024A (fr) * 1974-10-01 1978-05-09 Textron Inc. Palier revetu de tissu a faible resistance au frottement et methode de fabrication connexe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3115693A (en) * 1959-05-11 1963-12-31 Du Pont Process of making a knitted fabric
US3068053A (en) * 1960-02-16 1962-12-11 Russell Mfg Co Fabric bearing
EP0202897A2 (fr) * 1985-05-17 1986-11-26 The Bentley-Harris Manufacturing Co. Palier en tricot
NL8600536A (nl) * 1986-03-03 1987-10-01 Ihc Holland Nv Lager.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104532461A (zh) * 2015-01-26 2015-04-22 浙江宝娜斯袜业有限公司 一种丝袜组织机构以及使用该丝袜组织结构的战斗袜

Also Published As

Publication number Publication date
DE10005638A1 (de) 2001-08-23
EP1123998A3 (fr) 2002-06-26

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