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US20070181206A1 - Heald shaft comprising a heald support rod - Google Patents

Heald shaft comprising a heald support rod Download PDF

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Publication number
US20070181206A1
US20070181206A1 US11/632,210 US63221005A US2007181206A1 US 20070181206 A1 US20070181206 A1 US 20070181206A1 US 63221005 A US63221005 A US 63221005A US 2007181206 A1 US2007181206 A1 US 2007181206A1
Authority
US
United States
Prior art keywords
heddle
profiled
frame part
rib
bar
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.)
Abandoned
Application number
US11/632,210
Other languages
English (en)
Inventor
Joost Deseyne
Frank Stockman
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.)
Picanol NV
Verbrugge NV
Original Assignee
Individual
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 Individual filed Critical Individual
Assigned to PICANOL N.V., VERBRUGGE N.V. reassignment PICANOL N.V. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DESEYNE, JOOST, STOCKMAN, FRANK
Publication of US20070181206A1 publication Critical patent/US20070181206A1/en
Abandoned legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C9/00—Healds; Heald frames
    • D03C9/06—Heald frames
    • D03C9/0608—Construction of frame parts
    • D03C9/0616—Horizontal upper or lower rods
    • D03C9/0633—Heald bars or their connection to other frame parts
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C9/00—Healds; Heald frames
    • D03C9/06—Heald frames
    • D03C9/0691—Arrangements of means for damping or noise reduction

Definitions

  • the invention relates to a heddle frame with at least one frame part and with at least one heddle bar attached to the frame part.
  • the heddle frames should be as light as possible to permit high weaving speeds, while on the other hand they should be as dimensionally stable and bending-resistant as possible.
  • the frame parts are therefore made from a lightweight material, preferably as hollow sections, in order to achieve the highest possible bending resistance.
  • the heddle bars which are adapted to the shape of the heddles and which are subject to wear due to the movements of the heddles, are on the other hand made from a hardest possible and wear-proof material, in particular steel.
  • the different materials for the frame parts on the one hand and the heddle bars on the other lead to problems with the attachment of the heddle bars to the frame parts.
  • the frame parts are extruded sections made from an aluminium alloy.
  • the upper frame part is provided with a downward projecting flange and the lower frame part with an upward projecting flange. Webs running in the longitudinal direction project from these flanges and form between them a receiving groove for the middle web of a T-shaped heddle bar.
  • the middle web of the heddle bar is glued into the groove.
  • the webs of the flange of the frame part are provided with projections.
  • the frame parts and the heddle bars are placed in a press and held so that they cannot move relative to one another when the adhesive thermally sets at around 120° C.
  • the object underlying the present invention is to provide a heddle frame of the type mentioned above where a simple and secure connection is provided between the frame part and the heddle bar that can be achieved without presses or gauges or the like.
  • the frame part is provided with a profiled rib running in the longitudinal direction, and in that the heddle bars comprise a profiled longitudinal groove gripping around the profiled rib.
  • the profiled rib can without any difficulty be dimensioned so thick that the risk of damage is relatively low.
  • the material of the heddle bar has a relatively greater strength, so that the longitudinal groove provided in the heddle bar does not present a major risk of damage.
  • the profiled rib of the frame part and the profiled longitudinal groove of the heddle bars form a positive connection transverse to the longitudinal direction.
  • a positive connection of this type means that during assembly the frame part and the heddle bar are precisely aligned relative to one another without a press, a gauge or a template or the like being required. It is here of particular advantage here if the profiled rib of the frame part with the profiled longitudinal groove of the heddle bar forms a snap-in connection. A snap-in connection of this type permits particularly easy assembly.
  • the profiled rib of the frame part is glued to the longitudinal groove of the heddle bar.
  • the adhesive for example a thermally setting adhesive, increases the firmness of the connection between the frame part and the heddle bar. At the same time, the adhesive compensates for play between the profiled rib and the longitudinal groove without however determining their position, which is fixed by the positive connection.
  • FIG. 1 shows a view of a heddle frame in accordance with the invention
  • FIG. 2 shows a section along the line II-II in FIG. 1 ,
  • FIG. 3 shows a section through the profiled rib of the frame part in a larger scale
  • FIG. 4 shows a section through a heddle bar that does not yet have its final form
  • FIG. 5 shows a section through the heddle bar in accordance with FIG. 4 after it has received its final form
  • FIG. 6 shows a partial section similar to FIG. 2 in a larger scale
  • FIG. 7 shows a partial section similar to FIG. 6 with an additional cushioning strip
  • FIG. 8 shows a partial section through an embodiment for heddles with J-shaped eyelets.
  • a heddle frame as shown in FIG. 1 has a frame made up of an upper frame part 10 , a lower frame part 11 and side parts 13 , 14 that connect the former two.
  • the upper and lower frame parts 10 , 11 have downward and upward facing flanges 15 , 16 respectively, to which are attached heddle bars 17 , 18 .
  • the heddle bars 17 , 18 accommodate eyelets 19 , 20 of heddles 21 that are provided between the eyelets with a thread eye 22 through which warp threads run.
  • the intention is for such heddle frames to be on the one hand as light as possible and on the other hand to be as bending-resistant or deformation-resistant as possible. Since the eyelets 19 , 20 on the heddle bars 17 , 18 are guided with play for handling reasons, the heddle bars 17 , 18 must comprise a material as wear-proof as possible.
  • the frame parts 10 , 11 are preferably made from extruded light metal sections, i.e. sections of aluminium or of aluminium alloy. As can be seen from FIG. 2 , in the embodiment the frame parts comprise a flat and rectangular cross-section of which the main extent is in the direction of movement, i.e. in the vertical direction.
  • the frame parts 10 have four hollow chambers which if necessary can also be filled with stiffener inserts or cushioning inserts or the like.
  • a flange 23 provided with a profiled rib 24 projects downwards from the upper frame part 10 .
  • a heddle bar 17 is mounted on this profiled rib 24 and is a flat strip provided with a profiled longitudinal groove gripping around the profiled rib 24 .
  • the profiled rib 24 which has an end area 26 tapering outwards in dovetail form, is shown to larger scale in FIG. 3 .
  • the heddle bar 17 is an extruded steel section initially extruded in the form as shown in FIG. 4 . It first has a longitudinal groove 25 ′ rectangular in cross-section, the side flanks of which are extended by means of longitudinal ribs 27 , 28 projecting beyond the contour of the strip which is flat per se. These longitudinal ribs 27 , 28 then undergo plastic deformation by cold-rolling such that they are inside the outer contour, the result being a straight and smooth outside. The longitudinal ribs 27 , 28 are now pressed into the previously rectangular longitudinal groove 25 ′ such that the longitudinal groove 25 undercut in dovetail form is obtained, as shown in FIG. 5 . As can be seen from FIGS.
  • the longitudinal rib 28 is somewhat smaller in cross-section than the longitudinal rib 27 .
  • the result is, in the area where the longitudinal rib 27 was located previously, a groove flank 29 that forms with the bottom of the longitudinal groove 25 a smaller angle than that formed by the groove flank 30 rolled from the longitudinal rib 28 . Since the bottom of the longitudinal groove 25 is somewhat wider than the outer end of the dovetail-like part 26 of the profiled rib, the heddle bar 17 can be hooked over and then pressed onto the profiled rib 24 with its groove flank 29 , with the groove flank 30 engaging with (snapping onto) the profiled rib.
  • an adhesive for example a thermally setting adhesive, is applied into the longitudinal groove 25 before clipping on of the heddle bar 17 . Even if this adhesive loses its adhesive effect over the course of time, it retains its function of compensating for play while it is still present. The loss of adhesive effect over time can be advantageous for removal of the heddle bar 17 . For that reason an adhesive can be purposely used that loses its adhesive effect after a given time.
  • the undercut longitudinal groove 25 is machined into the section of the heddle bar 17 by milling or slotting or the like.
  • the lower frame part 11 has the same cross-section as the upper frame part and is arranged mirror-symmetrically thereto, i.e. the flange 23 of the upper frame part 10 is opposite the matching flange of the lower frame part.
  • the heddle bar 18 has a form corresponding to heddle bar 17 and is attached in the same way. It is provided here that the groove flank 29 forming a narrower angle is at the bottom, i.e. the heddle bar 18 is mirror-symmetrical to heddle bar 17 .
  • the profiled rib 24 is not designed solid, but has a hollow chamber running in the longitudinal direction.
  • the heddle bars 17 , 18 are not clipped onto the profiled ribs 24 , but slid on in the longitudinal direction. In this embodiment it can then be provided that the play between the profiled surface of the profiled rib 24 and the profiled longitudinal groove 25 is relatively small.
  • an adhesive can be achieved by coating the outer surface of the profiled rib 24 and/or the inner surface of the profiled groove 25 with an adhesive before connecting the profiled rib 24 and the profiled longitudinal groove 25 .
  • the heddle bars 17 , 18 are provided with holes at a distance to one another and open to the bottom of the longitudinal groove 25 .
  • An adhesive can then be applied under pressure through the holes to the opposite surfaces of the profiled rib 24 and the longitudinal groove 25 after assembly.
  • the flange 23 ′ of the frame part 10 is provided with a profiled rib 24 ′ that is wider than the end face with dovetail-like profile.
  • the eyelets 19 of the heddles 21 are designed C-shaped and grip around the heddle bar 17 both upwards and downwards.
  • the heddles 21 are drawn along by the heddle bars 17 and 18 during raising and lowering of the heddle frame.
  • a cushioning strip 31 made of plastic or the like is provided that is opposite the ends of the eyelets 19 of the heddles 21 .
  • the heddle bars 17 , 18 and the eyelets 19 are dimensioned such that when a heddle frame is raised or lowered, the ends of the eyelets 19 of the heddles 21 contact the cushioning strip 31 of the upper frame part 10 or of the lower frame part 11 respectively.
  • the heddle bars 17 , 18 only have the task of guiding the heddles transversely to the movement of the heddle frame. They can then also be made of aluminium or of an aluminium alloy.
  • J-shaped eyelets 19 ′ are provided for the heddles 21 .
  • the heddle bars 17 ′ are designed to correspond to these eyelets, i.e. they extend from the longitudinal groove 25 ′ only to one side, i.e. to the associated frame part.
  • the invention is not limited to the embodiments shown. Changes can be made in particular with regard to the design of the eyelets 19 of the heddles 21 and hence also the form of the heddle bars 17 , 18 . The same applies for the form and the arrangement of the strip-like cushioning element 31 .
  • Materials other than aluminium or aluminium alloys can also be used for the upper and lower frame parts 10 , 11 , in particular fibre reinforced plastic material, such as for example plastic material reinforced by carbon fibres or Kevlar fibres.
  • Other materials are also possible for the heddles bars 17 , 18 , in particular high-strength and low-wear plastics.
  • the invention is also suitable for heddle frames having only one frame part 10 or 11 with a heddle bar 17 or 18 attached thereto.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Vehicle Body Suspensions (AREA)
  • Body Structure For Vehicles (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Transmission Devices (AREA)
US11/632,210 2004-07-16 2005-07-13 Heald shaft comprising a heald support rod Abandoned US20070181206A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102004035996.2 2004-07-16
DE102004035996A DE102004035996A1 (de) 2004-07-16 2004-07-16 Webschaft mit Litzentragstange
PCT/EP2005/007594 WO2006008043A1 (fr) 2004-07-16 2005-07-13 Lame comportant une tringle porte-lisses

Publications (1)

Publication Number Publication Date
US20070181206A1 true US20070181206A1 (en) 2007-08-09

Family

ID=35295429

Family Applications (1)

Application Number Title Priority Date Filing Date
US11/632,210 Abandoned US20070181206A1 (en) 2004-07-16 2005-07-13 Heald shaft comprising a heald support rod

Country Status (7)

Country Link
US (1) US20070181206A1 (fr)
EP (2) EP1953278B1 (fr)
JP (1) JP2008506855A (fr)
CN (1) CN1989280B (fr)
AT (2) ATE459740T1 (fr)
DE (3) DE102004035996A1 (fr)
WO (1) WO2006008043A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090277527A1 (en) * 2007-05-14 2009-11-12 Groz-Beckert Kg Dividable two-part heald shaft
US20160029496A1 (en) * 2014-07-23 2016-01-28 Apple Inc. Adaptive processes for improving integrity of surfaces

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2037019B1 (fr) * 2007-09-11 2009-12-09 Groz-Beckert KG Rails de support de corde collée
CN102011237A (zh) * 2009-09-04 2011-04-13 余定泉 用于无梭织机的超强合金铝综框及其生产工艺
CN103935773B (zh) * 2014-04-21 2016-02-17 深圳市海弘装备技术有限公司 一种用于综丝分离及输送的装置和方法
IT201900009114A1 (it) * 2019-06-17 2020-12-17 Itema Spa Quadro-liccio per telai di tessitura comprendente un dispositivo di frenatura del movimento per inerzia delle maglie nelle fasi di inversione di moto del quadro-liccio

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2655947A (en) * 1950-11-18 1953-10-20 Hilma L G Berglund Hand weaving loom
US2674273A (en) * 1948-12-15 1954-04-06 Froehlich A G E Heddle frame for looms
US3151634A (en) * 1963-05-02 1964-10-06 Steel Heddle Mfg Co Loom harness
US3754577A (en) * 1968-09-13 1973-08-28 Contraves Ag Harness frame support rod possessing increased bending strength
US4160467A (en) * 1978-01-05 1979-07-10 Woodruff Jed R Hand loom having rotary heddle assembly
US4387742A (en) * 1979-07-13 1983-06-14 Grob & Co. Aktiengesellschaft Weaving heddle frame
US4404995A (en) * 1981-04-10 1983-09-20 Steel Heddle Manufacturing Co. Heddle frame assembly construction and method
US4492256A (en) * 1982-06-30 1985-01-08 Steel Heddle Manufacturing Company Extruded heddle rod and cap
US4643232A (en) * 1985-12-13 1987-02-17 Wagner Theodor E Harness frame for a weaving loom
US4913193A (en) * 1989-02-14 1990-04-03 Steel Heddle Mfg. Co. Light weight heddle support bar
US5232025A (en) * 1991-03-14 1993-08-03 Sulzer Brothers Limited Shaft rod and heald frame for a loom
US5483996A (en) * 1994-02-08 1996-01-16 Grob & Co. Akt Heddle frame corner joint
US20050011577A1 (en) * 2003-07-18 2005-01-20 Jean-Paul Froment Heddle frame and weaving loom provided with at least one such frame
US20050109417A1 (en) * 2003-10-07 2005-05-26 Groz-Beckert Kg Shaft rod for weaving machines
US20070113913A1 (en) * 2005-11-23 2007-05-24 F.I.R.S.T. S.P.A. Crossbar for heald-carrying frames of weaving looms with improved attachment of the heald-carrying plate

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7103289U (de) * 1971-01-29 1971-06-03 Egelhaaf C Litzentragschienenhalter fuer webeschaefte
US3895655A (en) * 1974-04-12 1975-07-22 Rockwell International Corp Harness frame for looms
DE2610311C3 (de) * 1976-03-12 1978-10-19 Gebrueder Schmeing, 4280 Borken Verbindung einer Litzentragschiene mit einem metallischen Schaftstab
JPS59479U (ja) * 1982-06-21 1984-01-05 株式会社丸山製作所 綜絖枠の横梁とヘルドロツドの取付構造
JPS59149981U (ja) * 1983-03-25 1984-10-06 株式会社山田ドビ− ライダレス綜絖枠における綜絖バ−と支持ロツドとの連結構造
DE19917791C1 (de) * 1999-04-20 2000-09-28 Schmeing Gmbh & Co Verfahren zur Herstellung eines Schaftstabes für Webschäfte
DE19962977B4 (de) * 1999-12-24 2012-03-08 Picanol N.V. Webschaft für eine Webmaschine
IT1318130B1 (it) * 2000-07-06 2003-07-23 Nuova O M V S R L Traversa a piu' componenti per quadri portalicci a rumorosita' ridotta di telai di tessitura.

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2674273A (en) * 1948-12-15 1954-04-06 Froehlich A G E Heddle frame for looms
US2655947A (en) * 1950-11-18 1953-10-20 Hilma L G Berglund Hand weaving loom
US3151634A (en) * 1963-05-02 1964-10-06 Steel Heddle Mfg Co Loom harness
US3754577A (en) * 1968-09-13 1973-08-28 Contraves Ag Harness frame support rod possessing increased bending strength
US4160467A (en) * 1978-01-05 1979-07-10 Woodruff Jed R Hand loom having rotary heddle assembly
US4387742A (en) * 1979-07-13 1983-06-14 Grob & Co. Aktiengesellschaft Weaving heddle frame
US4404995A (en) * 1981-04-10 1983-09-20 Steel Heddle Manufacturing Co. Heddle frame assembly construction and method
US4492256A (en) * 1982-06-30 1985-01-08 Steel Heddle Manufacturing Company Extruded heddle rod and cap
US4643232A (en) * 1985-12-13 1987-02-17 Wagner Theodor E Harness frame for a weaving loom
US4913193A (en) * 1989-02-14 1990-04-03 Steel Heddle Mfg. Co. Light weight heddle support bar
US5232025A (en) * 1991-03-14 1993-08-03 Sulzer Brothers Limited Shaft rod and heald frame for a loom
US5483996A (en) * 1994-02-08 1996-01-16 Grob & Co. Akt Heddle frame corner joint
US20050011577A1 (en) * 2003-07-18 2005-01-20 Jean-Paul Froment Heddle frame and weaving loom provided with at least one such frame
US20050109417A1 (en) * 2003-10-07 2005-05-26 Groz-Beckert Kg Shaft rod for weaving machines
US20070113913A1 (en) * 2005-11-23 2007-05-24 F.I.R.S.T. S.P.A. Crossbar for heald-carrying frames of weaving looms with improved attachment of the heald-carrying plate

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090277527A1 (en) * 2007-05-14 2009-11-12 Groz-Beckert Kg Dividable two-part heald shaft
US7726347B2 (en) * 2007-05-14 2010-06-01 Groz-Beckert Kg Dividable two-part heald shaft
US20160029496A1 (en) * 2014-07-23 2016-01-28 Apple Inc. Adaptive processes for improving integrity of surfaces
US10649497B2 (en) * 2014-07-23 2020-05-12 Apple Inc. Adaptive processes for improving integrity of surfaces

Also Published As

Publication number Publication date
WO2006008043A1 (fr) 2006-01-26
CN1989280A (zh) 2007-06-27
DE502005008849D1 (de) 2010-02-25
ATE459740T1 (de) 2010-03-15
ATE454488T1 (de) 2010-01-15
EP1769111A1 (fr) 2007-04-04
JP2008506855A (ja) 2008-03-06
EP1769111B1 (fr) 2010-03-03
DE502005009141D1 (de) 2010-04-15
DE102004035996A1 (de) 2006-02-02
EP1953278A2 (fr) 2008-08-06
CN1989280B (zh) 2012-02-29
EP1953278A3 (fr) 2008-09-03
EP1953278B1 (fr) 2010-01-06

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Legal Events

Date Code Title Description
AS Assignment

Owner name: VERBRUGGE N.V., BELGIUM

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:DESEYNE, JOOST;STOCKMAN, FRANK;REEL/FRAME:018963/0279

Effective date: 20070126

Owner name: PICANOL N.V., BELGIUM

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:DESEYNE, JOOST;STOCKMAN, FRANK;REEL/FRAME:018963/0279

Effective date: 20070126

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION

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