EP2224046B1 - Lisse en matière plastique - Google Patents

Lisse en matière plastique Download PDF

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Publication number
EP2224046B1
EP2224046B1 EP20090153820 EP09153820A EP2224046B1 EP 2224046 B1 EP2224046 B1 EP 2224046B1 EP 20090153820 EP20090153820 EP 20090153820 EP 09153820 A EP09153820 A EP 09153820A EP 2224046 B1 EP2224046 B1 EP 2224046B1
Authority
EP
European Patent Office
Prior art keywords
heald
plastic
width
guide surface
thread eye
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 - Fee Related
Application number
EP20090153820
Other languages
German (de)
English (en)
Other versions
EP2224046A1 (fr
Inventor
Ernst Heinemann
Johannes Dr. Bruske
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.)
Groz Beckert KG
Original Assignee
Groz Beckert KG
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 Groz Beckert KG filed Critical Groz Beckert KG
Priority to EP20090153820 priority Critical patent/EP2224046B1/fr
Priority to KR1020100016499A priority patent/KR101248795B1/ko
Priority to CN 201010141799 priority patent/CN101818398B/zh
Priority to JP2010040864A priority patent/JP5697817B2/ja
Publication of EP2224046A1 publication Critical patent/EP2224046A1/fr
Application granted granted Critical
Publication of EP2224046B1 publication Critical patent/EP2224046B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D03C9/02—Healds
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C9/00—Healds; Heald frames
    • D03C9/02—Healds
    • D03C9/024—Eyelets
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C9/00—Healds; Heald frames
    • D03C9/02—Healds
    • D03C9/026—Material used

Definitions

  • the invention relates to a heddle for weaving machines.
  • Weaving machines have a large number of strands that serve the Kettfaden Installation.
  • Each heald has at least one thread eye through which a warp thread passes. Additional warp threads pass through the gaps between adjacent strands.
  • healds of metal such as thin strips of sheet steel, formed.
  • the DE 43 36 362 C1 discloses a heddle made of steel strip or alternatively of fiber-reinforced plastic material.
  • To the heald includes a thread eye area containing a delimited by two webs thread eye.
  • the two webs are oriented parallel to each other. Seen longitudinally to the warp, the two webs are laterally offset from each other.
  • Transition areas connect to the thread eye, which merge into shallow shafts. The transition areas are inclined against the warp direction. As a result of this inclination, warp threads arranged between the heddle wire run along the edges of the transitional area.
  • This heddle consists of a flat metal strip, which is provided at the end with eyelets. Approximately in the middle of an opening is formed, which is bounded by two webs. Forming the region around the thread eye a thread eye area. The webs are bent out of the plane of the flat metal strip so that they are laterally offset from one another and spaced laterally relative to the warp direction to form a thread eye. The straight and flat webs go in each case in the region of the upper and lower end of the thread eye in the shafts. As a result, the thread eye has seen in the thread longitudinal direction at the top and bottom each have a sharp corner.
  • the plastic heddle according to the invention has a heddle body with a thread eye region and two guide surface sections adjoining the latter, which extend into the main body of the strand, i. go into their stems.
  • the thread eye region has one of two mutually parallel webs limited thread eye. From the webs guide surfaces extend over the Leit perennialabête to the Litzen2020ften.
  • An inventive feature of the plastic heald lies in the formation of the Leit perennialabitess.
  • This has a cross-section, on which three zones can be distinguished.
  • a middle zone of the cross-section forms a straight or curved connecting web, from the two ends of which legs extend away on both sides.
  • the guide surfaces are formed on the flanks of the legs. In cross-section, the two edges of the legs, which mark the guide surfaces, arranged on mutually parallel lines.
  • the warp direction to which the large flat sides of the Litzen2020fte and the guide surfaces of the Leit vomabitess are preferably oriented in parallel, is determined by the longitudinal direction of a warp with a closed shed. This "closed compartment position" is given when all heald frames are in the same position.
  • the webs limiting the thread eye and the legs of the Leit vomabitess each consist of flat material of preferably matching thickness. Also, the transition from the large flat sides of the shafts to the guide surfaces and to the outer sides of the thread eye limiting webs is preferably smooth and continuous. Further preferably, the thicknesses of the guide-bearing legs and the thicknesses of the shafts coincide with each other.
  • the connecting web formed on the guide surface section has at at least one point a thickness deviating from the thickness of the legs. This measure opens up wide creative freedom and makes it possible to form the Leit perennialabête on both sides not complementary. This has the consequence that adjacent healds can not lie flat in one another.
  • the non-complementary shaping of the guide surface sections is thus used as a means to adjacent healds on Keep your distance. This has advantages, in particular when using water weaving technology. It prevents the adhesion of adjacent strands in the thread eye area.
  • the width of the guide surface in the region of the transition to the respective web is smaller than in the region of the transition to the respective strut shaft.
  • the change in the width of the guide surface may be continuous from its first end, i. from the web-side end, to its second end, the shaft-side end.
  • the width of the guide surface at its first end may correspond to the width of the respective web, and the width of the guide surface at its second end may correspond to the width of the shaft of the main body of the heald.
  • the connecting web preferably has a triangular outline in plan view. It may be provided with a curvature or, as it is preferred, also just trained. It can have an increasing thickness towards the shaft.
  • the fulcrum portion has on both sides thereof shapes which are preferably not complementary to each other, the thread eye may have mating contours complementary to one another on both its sides.
  • the heald may be provided with other spacer means.
  • a spacer means may for example be arranged on the end eyelet or elsewhere.
  • Such spacer means are formed for example by projections, nubs, webs or the like, which can be arranged on a side surface of the heald.
  • FIG. 1 two healds 1, 2 of a loom are shown, which are reciprocally moved up and down to run two of warp threads 3 existing warp sheets 4, 5 up or down from the warp thread level and so open a shed 6.
  • the warp threads 3 are assigned to the healds 1, 2 healds 7, one of which in FIG. 2 partial and separate is shown.
  • the heald 7 is a preferably formed in one piece as a narrow elongated strip plastic body.
  • FIG. 3 exemplified end eyelet 8 may be arranged.
  • the end eyelet 8 may be integral with the heald 7 or a separate element attached thereto.
  • the heddle 7 has a thread eye region 9 with a thread eye 10.
  • the thread eye 10 serves to guide a warp thread 3a, which defines a Kettfadenlteilsraum 11.
  • the warp direction 11 corresponds to the longitudinal direction of the warp thread 3a, if it is led out neither up nor down from the warp thread level - so the weaving shank in question is in closed-Fach too.
  • FIG. 2 FIG. 3 illustrates another warp thread 3b that is not penetrated by the thread eye 10 that is in FIG. 2 illustrated healds 7, but through the thread eye of another heald of another weaving shank leads. The warp 3b passes through the between the heald 7 after FIG. 2 and their adjacent heald formed gap.
  • the thread eye 10 is bounded by two webs 12, 13 which are spaced apart in the warp longitudinal direction 11 and in a direction oriented transversely thereto and parallel to one another. On the webs 12, 13 are outside flat sliding surfaces 14, 15 are formed, which in particular also made FIG. 6 can be seen.
  • FIG. 6 shows the section AA of in FIG. 5 shown in side view heald 7.
  • the length of the sliding surfaces 14, 15 extends over the entire thread eye region 9, which in FIG. 4 is marked on the heald 7 between two dashed lines 17, 18 and ends at these lines.
  • the lines 17, 18 thus correspond to the ends of the thread eye region 9.
  • the thread eye 10 close with rounded transition wall sections 19, 20, which close the thread eye 10, as shown in Figure 2, upwards and downwards.
  • the wall sections 19, 20 still belong to the thread eye region 9.
  • the lines 17, 18 form the end thereof.
  • the thread eye region 9 in each case in a Leit vomab mustard 21, 22 via, to the shafts 23, 24 of the main body of the heald 7 connect.
  • the shafts 23, 24 lie in a common plane, preferably in the end 8 after FIG. 3 is arranged.
  • the webs 12, 13 are in FIG. 4 arranged above or below this level.
  • the sliding surfaces 14, 15 define an outer thread eye width 25 which is greater than twice the thickness 26 of each web 12, 13.
  • the sliding surfaces 14, 15 go on rounded edges 27, 28 in narrow sides, whose in the yarn longitudinal direction 11 to be measured Distance 29 is preferably greater than, or equal to, width 30 (FIG. FIG. 4 ) of the shaft 23 (or 24) of the main body of the heald 7 is.
  • the distance between the mutually facing edges of the webs 12, 13 sets a to be measured in the yarn longitudinal direction 11 ⁇ hrweite 31 a, the is preferably greater than the width of the sliding surfaces 14 and 15, respectively.
  • the distance of the inner surfaces 14a and 15a of the sliding surfaces 14 and 15 defines a transverse to the yarn longitudinal direction 11 to be measured ⁇ hrweite 31b, which is preferably less than or equal to the thickness 26 of the sliding surface 14, 15.
  • FIG. 7 illustrates the cross-section at the end of the thread eye portion 9 to the Leitzinabrough 22 (section BB of FIG. 5 ).
  • the cross section has a cranked shape.
  • the outer surfaces of the webs 32 and 33 preferably form trapezoidal guide surfaces 35, 36 whose cut edges are parallel to each other. The cut edges are thus in FIG. 7 dotted lines parallel to each other 37, 38.
  • the connecting web 34 is at an acute angle ⁇ ( FIG. 8 ) to lines 37, 38.
  • the distance between the guide surfaces 35, 36 or between the lines 37, 38 decreases along the Leit vomabitess 22 to the shaft 24 of the main body of the heald 7 and ends in its large flat side 47.
  • the guide surfaces 35, 36 are preferably arranged parallel to the warp thread longitudinal direction 11.
  • the width of the guide surface 35 takes, as FIG. 5 shows and by comparing the FIGS. 8 and 9 can be seen, starting from the thread eye region 9, starting from the shaft 24 of the main body of the heald 7 towards.
  • the guide surface 36 Preferably, the easier illustration remains only in FIG.
  • FIGS. 7 to 9 takes between the two, preferably triangular surfaces 40, 41 to be measured thickness 42 of the thread eye region 9 away to the shaft 24 towards.
  • the thickness exceeds 42, as the section DD in FIG. 9 shows, at least in a part of the guide surface portion 22, the thickness 43 of the shaft 24 of the main body of the heald 7 (FIG. FIG. 10 ).
  • the width B1 of the guide surface 35 is in FIG. 9 significantly larger than the existing on the opposite side width B2 of the recess.
  • B2 is constant along the baffle portion 22. Neighboring similar healds therefore can not fit together properly.
  • the sliding surface portion 22 thus forms a means for maintaining a minimum distance between the healds. In the case of water weaving machines, it is thus prevented that adjacent healds stick together due to the effect of the adhesion forces of the water present on the healds.
  • FIG. 1 in connection with FIG. 2 can be seen running the warp 3b during the up and down movement of the heald frames 1 and 2 along the side of the heald 7 along. It passes from the shaft 24 via the guide surfaces 35 on the sliding surface 14 and below the thread eye 10 again on the guide surface 35 'on the side surface of the shaft 24. Because all the surfaces are oriented in Kettfadenlnature 11, strikes the warp 3b at any point an edge. He will be spared. Also, the strand is spared. Even if edges should form at the edges of the guide surfaces 35, 35 ', 36 and / or the webs 12, 13 and / or the sliding surfaces 14, 15 with time, they can damage the warp 3b as little as the warp thread 3a.
  • the heddle 7 is particularly suitable for water weaving. It is expedient here if, in addition to or as an alternative to the above-discussed structures of the guide surface sections 21, 22, further spacer means are provided on the heddle 7.
  • Such a spacer means is for example in FIG. 11 illustrated by two adjacent healds 7, 7 '.
  • the end eyes 8, 8 ' are thicker than the respective shafts 23, 23', whereby the shafts 23, 23 'are kept at a distance.
  • FIG. 12 shows, on a heald at a suitable location, for example, to provide their end eyelet 8 a projection, for example in the form of a knot 44.
  • a nub may be formed, for example, on a flat side of a heald. It is also possible for a plurality of such nubs, for example, to be distributed over the side surface of the end eyelet 8.
  • FIG. 13 illustrates two adjacent healds 7, 7 ', the Aukaö réelleen 45, 45' are each surrounded by a tubular or annular projection 46, 46 '.
  • such a tubular or annular projection 46 can be arranged on each heald 7, 7 'on both flat sides of the heald.
  • spacer means Regardless of the specific configuration of the spacer means, it is, as will be apparent from the above, useful if a direct bonding adjacent healds is prevented both in the region of its thread eye 10 as well as in the region of their end eyelets 8 by suitable spacer means.
  • a heddle 7 according to the invention has a thread eye region 9 whose thread eye 10 is delimited by two webs 12, 13 which are parallel to one another.
  • the transition from the thread eye region 9 to the shafts 23, 24 is provided by a Leitzinabêt 21, 22, which has a Z-shaped cross-section.
  • the two mutually parallel legs 32, 33 of the Z-shaped cross section carry guide surfaces 35, 36, at which a warp 3b can strip along; without touching an edge of the heald 7.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)

Claims (14)

  1. Lisse (7) en matière synthétique
    comportant un corps de lisse qui
    présente une zone (9) d'oeillet pour fil comportant un oeillet pour fil (10) qui s'y trouve formé et qui est délimité par deux entretoises (12, 13) parallèles l'une à l'autre, deux parties (21, 22) formant les surfaces de guidage situées sur la zone (9) d'oeillet pour fil, aux extrémités opposées (17, 18), comportant chacune une surface de guidage (35, 36) ainsi que deux fûts (23, 24) qui se raccordent aux parties (21, 22) formant des surfaces de guidage,
    chaque section de partie formant une surface de guidage présentant deux branches parallèles entre elles portant les surfaces de guidage (35, 35', 36) et une entretoise de liaison reliant ces branches (32, 33), laquelle entretoise forme avec les deux branches (32, 33) un angle (α),
    caractérisée en ce que
    le corps de lisse est constitué de matière synthétique
    et en ce que l'entretoise de liaison (34) présente au moins à un endroit une épaisseur (41) qui s'écarte de l'épaisseur (43) des deux branches (32, 33).
  2. Lisse en matière synthétique selon la revendication 1 caractérisée en ce que les surfaces de guidage (35, 35', 36) et les grandes surfaces plates (47, 48) des fûts (23, 24) sont orientées chacune parallèlement à une direction (11) de passage du fil.
  3. Lisse en matière synthétique selon la revendication 1 caractérisée en ce que les entretoises (12, 13) et les branches (32, 33) présentent des épaisseurs (26) qui sont en correspondance exacte.
  4. Lisse en matière synthétique selon la revendication 1 caractérisée en ce que les branches (32, 33) et les fûts (23, 24) présentent des épaisseurs qui sont en correspondance exacte.
  5. Lisse en matière synthétique selon la revendication 1 caractérisée en ce que les deux surfaces de guidage (35, 36) de chacune des parties (21, 22) de surface de guidage s'étendent depuis une première extrémité des surfaces de guidage (35, 36) à partir du fût (23, 24) jusqu'à une deuxième extrémité des surfaces de guidage (35, 36) en direction des deux entretoises (12, 13).
  6. Lisse en matière synthétique selon la revendication 1 caractérisée en ce que la surface de guidage (35, 36) présente, à sa première extrémité orientée vers le fût (23, 24), une plus grande largeur qu'à sa deuxième extrémité orientée vers l'entretoise (12, 13).
  7. Lisse en matière synthétique selon la revendication 1 caractérisée en ce qu'au niveau de l'entretoise (12, 13) la largeur de la surface de guidage (35, 36) est inférieure à la moitié de la largeur du fût, tandis que la largeur de la surface de guidage (35, 36), au niveau du fût (23, 24), est supérieure à la moitié de la largeur du fût.
  8. Lisse en matière synthétique selon la revendication 1 caractérisée en ce que la largeur de la surface de guidage (35, 36) correspond à sa première extrémité à la largeur de l'entretoise (12, 13) et, à sa deuxième extrémité, à la largeur du fût (23, 24).
  9. Lisse en matière synthétique selon la revendication 1 caractérisée en ce que l'entretoise de liaison (34) présente au moins une surface supérieure (40, 41) comportant un contour triangulaire.
  10. Lisse en matière synthétique selon la revendication 1 caractérisée en ce que l'entretoise de liaison (34) présente une épaisseur qui s'accroît en direction du fût (23, 24).
  11. Lisse en matière synthétique selon la revendication 1 caractérisée en ce que la zone (9) d'oeillet pour fil présente des contours adaptés l'un à l'autre, complémentaires l'un de l'autre.
  12. Lisse en matière synthétique selon la revendication 1 caractérisée en ce que les fûts (23, 24) présentent des oeillets d'extrémité (8) à leurs extrémités situées à l'écart de l'oeillet (10) pour fil.
  13. Lisse en matière synthétique selon la revendication 12 caractérisée en ce que des moyens de maintien d'écart (44) sont prévus sur les oeillets d'extrémité (8).
  14. Lisse en matière synthétique selon la revendication 1 caractérisée en ce que le moyen de maintien d'écart (44) est constitué d'au moins une saillie prévue au moins sur un côté de la lisse (7).
EP20090153820 2009-02-26 2009-02-26 Lisse en matière plastique Expired - Fee Related EP2224046B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP20090153820 EP2224046B1 (fr) 2009-02-26 2009-02-26 Lisse en matière plastique
KR1020100016499A KR101248795B1 (ko) 2009-02-26 2010-02-24 플라스틱 재료의 힐드
CN 201010141799 CN101818398B (zh) 2009-02-26 2010-02-25 塑料材质的综片
JP2010040864A JP5697817B2 (ja) 2009-02-26 2010-02-25 プラスチック材料からなるヘルド

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20090153820 EP2224046B1 (fr) 2009-02-26 2009-02-26 Lisse en matière plastique

Publications (2)

Publication Number Publication Date
EP2224046A1 EP2224046A1 (fr) 2010-09-01
EP2224046B1 true EP2224046B1 (fr) 2011-08-31

Family

ID=40578389

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20090153820 Expired - Fee Related EP2224046B1 (fr) 2009-02-26 2009-02-26 Lisse en matière plastique

Country Status (4)

Country Link
EP (1) EP2224046B1 (fr)
JP (1) JP5697817B2 (fr)
KR (1) KR101248795B1 (fr)
CN (1) CN101818398B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2584078A1 (fr) 2011-10-21 2013-04-24 Groz-Beckert KG Lisse dotée d'un oeillet laissant passer le fil

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2505703B1 (fr) * 2011-03-28 2014-12-03 Groz-Beckert KG Lisse en matière synthétique et procédé de fabrication à partir d'une bande de feuilles
EP2505702B2 (fr) * 2011-03-28 2023-05-17 Groz-Beckert KG Lisse dotée d'un corps de lisse formé par sections de plusieurs couches de feuilles
EP2505701B1 (fr) * 2011-03-28 2014-12-31 Groz-Beckert KG Lisse en matière synthétique à plusieurs composants et son procédé de fabrication
FR3027314B1 (fr) * 2014-10-16 2019-04-26 Staubli Lyon Lisse pour metier a tisser et metier a tisser equipe d'une telle lisse
CN116288854B (zh) * 2023-01-09 2023-10-03 无锡长江精密纺织有限公司 一种经向缩率可变的综框装置

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Publication number Priority date Publication date Assignee Title
US5052446A (en) * 1989-06-12 1991-10-01 Sulzer Brothers Limited Thermoplastic heddle with braided fiber tube reinforcement
US5348055A (en) 1993-05-06 1994-09-20 Steel Heddle Mfg. Co. Heddle eyelet structure
DE4336362C1 (de) 1993-10-25 1994-10-13 Grob & Co Ag Fadenauge für Weblitze
CZ287292B6 (cs) 1999-03-16 2000-10-11 Seco, A.S. Nitěnka z pásového materiálu s rozvedeným niťovým očkem, způsob její výroby a tvárník pro tuto výrobu
CH695240A5 (de) * 2001-02-28 2006-02-15 Braecker Ag Weblitze und Verfahren zur Herstellung einer Weblitze.
FR2835538B1 (fr) * 2002-02-07 2004-05-21 Staubli Lyon Lisse et son procede de fabrication, dispositif de formation de la foule et metier a tisser incorporant une telle lisse
KR200377714Y1 (ko) * 2004-12-09 2005-03-10 네젠텍주식회사 직기용 종광
JP4126438B2 (ja) * 2005-03-23 2008-07-30 伊▲勢▼ 昌弘 細板型綜絖
DE102005030632B4 (de) * 2005-07-01 2009-07-30 Groz-Beckert Kg Fadenschonende Weblitze

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2584078A1 (fr) 2011-10-21 2013-04-24 Groz-Beckert KG Lisse dotée d'un oeillet laissant passer le fil
KR101997537B1 (ko) 2011-10-21 2019-07-09 그로츠-베케르트 카게 스레드-친화형 스레드 아이를 갖는 종광

Also Published As

Publication number Publication date
JP2010209509A (ja) 2010-09-24
JP5697817B2 (ja) 2015-04-08
KR101248795B1 (ko) 2013-04-03
CN101818398B (zh) 2013-09-04
EP2224046A1 (fr) 2010-09-01
KR20100097605A (ko) 2010-09-03
CN101818398A (zh) 2010-09-01

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