EP3591104B1 - Weblitze - Google Patents

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Publication number
EP3591104B1
EP3591104B1 EP19183786.3A EP19183786A EP3591104B1 EP 3591104 B1 EP3591104 B1 EP 3591104B1 EP 19183786 A EP19183786 A EP 19183786A EP 3591104 B1 EP3591104 B1 EP 3591104B1
Authority
EP
European Patent Office
Prior art keywords
sections
heddle
web
outer edge
legs
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.)
Active
Application number
EP19183786.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3591104A1 (de
Inventor
Christian Gerth
Mario Gusenko
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
Publication of EP3591104A1 publication Critical patent/EP3591104A1/de
Application granted granted Critical
Publication of EP3591104B1 publication Critical patent/EP3591104B1/de
Active 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
    • 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
    • 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
    • D03C9/022—Healds anti-buckling
    • 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
    • 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
    • D03C9/04—Metal healds

Definitions

  • the invention relates to a heddle having a shaft section, an eye section with two legs and a thread eye part made all the way closed with an outer edge, two support sections and two web sections, the thread eye part with its support sections being arranged on the legs and the web sections and the legs having two filled spaces limit.
  • a heald with a thread eye part made from a wire section is first known.
  • the wire section is formed into a ring, the ends of the wire section being guided to one another at the end.
  • Such a thread eye part is inserted between stranded wires, fastened there in a form-fitting manner as closely as possible and soldered to the stranded wires.
  • the invention is based on the object of providing a heald mentioned at the beginning which has a longer service life even under increased mechanical and chemical stress. Thread-damaging projections and / or their formation should be avoided. Setbacks that promote the accumulation of undesired residues and / or their formation should be avoided. Even partial loosening of a filling or even of the thread eye part is to be prevented.
  • the rectangular shape of the thread eye part and the outer edge running flat on the web sections require correspondingly shaped fillings of the spaces between the web sections and the legs and corresponding adhesion zones.
  • the functional interaction between the features of the heddle according to the invention brings about and reinforces favorable tension profiles, so that tension peaks that could lead to loosening of the fillings are reduced or avoided. This results in a combinatorial technical effect that turns out differently than the sum of the technical effects of the individual features.
  • the heald can be a jacquard heald.
  • the heddle can have a longitudinal axis, a width axis and a depth axis.
  • the longitudinal axis, the width axis and the depth axis can be arranged perpendicular to one another and intersect at an origin.
  • the heald can have two ends in the longitudinal direction.
  • the heald can have a pulling section at each end.
  • the tension section can be designed as a corrugation.
  • the pulling section can be designed as an end eyelet.
  • the end eyelet can be trapezoidal or diamond-shaped.
  • the shaft section and the eye section can be made from a single wire.
  • the shaft section and the eye section can be made of a corrosion-resistant and acid-resistant steel.
  • the shaft section can have a round cross section.
  • the eye section can divide the shaft section in the longitudinal direction into a first shaft section part and a second shaft section part.
  • the eye section with the two legs can be produced by separating a single wire.
  • the legs can each have a first angular section, a parallel section and a second angular section.
  • the parallel section can be arranged between the first angular section and the second angular section.
  • the legs can extend apart in the width direction at the first angular sections.
  • the legs can run together again at the second angular sections towards the second shaft section part.
  • the legs can run parallel to one another and to the longitudinal axis between the first angular sections and the second angular sections at the parallel sections. Transitions between the first angular sections and the parallel sections and between the parallel sections and the second angular sections can each run at an obtuse angle.
  • the thread eye part can have a thread eye.
  • the thread eye part can have an inner edge.
  • the inner edge can limit the thread eye.
  • the thread eye can have a rectangular shape.
  • the thread eye can have a greater extent in the longitudinal direction and a smaller extent in the width direction.
  • the inner edge can run at least approximately parallel to the longitudinal axis on the support sections.
  • the inner edge can run at least approximately parallel to the width axis on the web sections. Of the The inner edge can merge into a radius between the support sections and the web sections.
  • the thread eye can have a center point. The center point and the origin of the longitudinal axis, the latitude axis and the depth axis can correspond to one another.
  • the support sections can run at least approximately parallel to the longitudinal axis.
  • the web sections and the support sections can run at least approximately perpendicular to one another.
  • the web sections can run at least approximately parallel to the width axis.
  • the web sections can each have an at least approximately constant extension in the longitudinal direction over their extension in the width direction.
  • An extension of the web sections in the longitudinal direction and an extension of the support sections in the width direction can at least approximately correspond to one another.
  • a ratio of an extension of the web sections in the longitudinal direction and an extension of the support sections in the width direction can be approximately 1: 1 to approximately 2: 1.
  • An extension of the web sections in the longitudinal direction and an extension of the legs in the width direction can at least approximately correspond to one another.
  • a ratio of an extension of the web sections in the longitudinal direction and an extension of the legs in the width direction can be approximately 1: 1 to approximately 2: 1.
  • a web section and the first angular sections of the leg parts can delimit an intermediate space.
  • a web section and the second angular sections of the leg parts can delimit an intermediate space.
  • the spaces can each have a triangular shape.
  • a thread eye part that is produced so that it is closed all the way round can be closed all the way around without joining.
  • the support sections and the web sections can form four circumferentially arranged sections of the thread eye part.
  • the thread eye part can have a square, in particular rectangular shape. "Quadrangular" in this context does not necessarily mean that the thread eye part has four corners and / or four sides, but primarily refers to an arrangement of the support sections and the web sections, in particular to an arrangement of central axes of the support sections and the web sections.
  • the outer edge can extend along the support sections and the web sections.
  • the outer edge can extend along four sides. The sides can be assigned to the support sections and the web sections.
  • the outer edge can be straight and / or curved in sections.
  • the outer edge can run straight along the support sections.
  • the outer edge can be curved along the web sections.
  • the support sections and the web sections can merge into one another at an angle, edged, angular or radius-shaped.
  • the outer edge can run flat on the web sections.
  • An outer edge that runs flat on the web sections can be an outer edge that runs on the web sections without major elevations and depressions.
  • An outer edge that runs flat on the web sections can be an outer edge that runs on the web sections without edges, corners or angles.
  • the intermediate spaces can each be filled with a plastic filling. The intermediate spaces can each be completely filled.
  • the outer edge can run in an arc on the web sections.
  • the outer edge can have at least approximately the shape of a circular arc at the web sections.
  • the circular arc shape can have a central angle that is smaller than 180 °.
  • the circular arc shape can have a central angle that is smaller than 150 °, in particular smaller than 120 °, in particular smaller than 90 °.
  • the outer edge can run angular, edged, angular or radius-shaped between the support sections and the web sections.
  • angles, edges or corners of the outer edge of the thread eye part formed between the support sections and the web sections can be arranged at the angled, edged or angular transitions between the angled sections and the parallel sections of the legs.
  • a single-surface adhesion zone can each be formed between the web sections and the plastic fillings.
  • a single-surface adhesion zone can be an adhesion zone that is not interrupted by edges.
  • the Plastic fillings can be made from an epoxy resin.
  • the plastic fillings can be made from an adhesive.
  • the outer edge can be functionalized differently all around.
  • the outer edge can be profiled on the support sections for a form-fitting connection with the legs.
  • the outer edge can have a profile at least approximately geometrically complementary to a leg cross-section on the support sections for the form-fitting connection with the legs.
  • the outer edge can be functionalized on the web sections for an improved bond with the plastic fillings.
  • the thread eye part can be made from sheet metal.
  • the thread eye part can be produced in a stamping process.
  • the thread eye part can be reworked.
  • the thread eye part can be rounded.
  • the thread eye part can be hardened.
  • the thread eye part can be tempered.
  • the thread eye part can be surface protected.
  • the thread eye part can be nickel-plated.
  • the heddle according to the invention With the heddle according to the invention, favorable tension profiles are brought about and reinforced, in particular on the fillings of the spaces. Damaging voltage peaks are avoided. A secure hold of the fillings and the thread eye part is guaranteed even under increased mechanical and chemical stress. Thread-damaging projections and / or their creation is avoided. Setbacks that favor the accumulation of undesired residues and / or their formation are avoided.
  • the heddle according to the invention thus has a longer service life. Increased tissue quality can be achieved with maximum efficiency.
  • the heddle can also be used for the finest warp threads with increased thread tension and extremely fast running machines.
  • the heddle has a particularly thread-friendly and durable surface. Injuries to warp threads due to material fatigue or corrosion are prevented.
  • the heddle has an extremely smooth surface for improved thread sliding.
  • the heddle is butt and impact resistant.
  • the use of solder is avoided.
  • the heddle contributes to an increase in productivity and thus to an increase in profitability. Fabric defects and damage to warp threads can be reduced and a high quality fabric guaranteed. A high-quality fabric quality can be achieved with the heddle even with very high row densities.
  • Fig. 1 shows a heddle 100 with a thread eye part 102.
  • Fig. 2 shows the thread eye part 102 in plan view and in sectional view.
  • the heald 100 is a jacquard heald.
  • the heddle 100 has a longitudinal axis 104, a width axis 106 and a depth axis 108.
  • the axes 104, 106, 108 are arranged perpendicular to one another and intersect at an origin 110.
  • the thread eye part 102 has a center point 112.
  • the origin 110 and the center 112 correspond to one another.
  • the heddle 100 has a shaft section 114 and an eye section 116 with two legs 118, 120.
  • the heddle 100 is designed symmetrically in the area of the eye section 116 and the thread eye part 102.
  • the shaft section 114 extends along the longitudinal axis 104.
  • the eye section 116 divides the shaft section 114 into an upper shaft section part 122 and a lower shaft section part 124.
  • the legs 118, 120 each have an upper angular section 126, 128, a parallel section 130, 132 and a lower angular section 134, 136.
  • the legs 118, 120 starting from the upper shaft section part 122, diverge in the width direction at the upper angular sections 126, 128, converge again at the lower angular sections 134, 136 to the lower shaft section part 124 and run between the upper angular sections 126, 128 and the lower ones Angular sections 134, 136 on the parallel sections 130, 132 parallel to one another and to the longitudinal axis 104.
  • the angle sections 126, 128 and 134, 136 each enclose an acute angle.
  • the acute angles enclosed by the angle sections 126, 128 and 134, 136 are in the present case each approx. 20 ° to approx. 40 °, in particular approx. 30 °.
  • the transitions between the angular sections 126, 134 and 128, 136 and the parallel sections 130 and 132 each run at an obtuse angle.
  • the obtuse angles of the transitions between the angular sections 126, 134 or 128, 136 and the parallel sections 130 and 132 are in the present case in each case approx. 10 ° to approx. 30 °, in particular approx. 20 °.
  • the shaft section 114 and the eye section 116 are made from a single wire made of a corrosion-resistant and acid-resistant steel.
  • the shaft section 114 has a round cross section.
  • the eye section 116 with the two legs 118, 120 is produced in the present case by separating and reshaping the individual wire.
  • the legs 118, 120 each have a round cross section at the parallel sections 130, 132.
  • the thread eye part 102 has a rectangular shape with an outer edge 138, two support sections 140, 142, an upper web section 144, a lower web section 146, and an inner edge 148.
  • the support sections 140, 142 extend parallel to the longitudinal axis 104 and are spaced apart from the longitudinal axis 104 in the width direction.
  • the web sections 144, 146 extend parallel to the width axis 106, are spaced apart from the width axis 106 in the longitudinal direction and connect the support sections 140, 142 to one another.
  • the inner edge 148 delimits a thread eye 150.
  • the thread eye 150 has a rectangular shape.
  • the inner edge 148 runs on the support sections 140, 142 parallel to the longitudinal axis 104 and spaced apart from the longitudinal axis 104 in the width direction and at the web sections 144, 146 parallel to the width axis 106 and spaced apart from the width axis 106 in the longitudinal direction.
  • the inner edge 148 merges in a radius between the support sections 140, 142 and the web sections 144, 146.
  • the outer edge 138 runs on the support sections 140, 142 parallel to the longitudinal axis 104 and spaced apart from the longitudinal axis 104 in the width direction. On the web sections 144, 146, the outer edge 138 runs flat, arcuate without edges. The outer edge 138 has at least approximately an arc shape on the web sections 144, 146, the central angle ⁇ of which is approximately 90 °. The outer edge 138 runs angularly between the support sections 140, 142 and the web sections 144, 146. The angular course of the outer edge 138 between the support sections 140, 142 and the web sections 144, 146 takes place in each case with an obtuse angle.
  • the thread eye part 102 is produced so that it is closed all round.
  • the thread eye part 102 is produced in a stamping process from sheet metal made from corrosion- and acid-resistant steel.
  • the thread eye part 102 has been reworked and provided with a surface protection.
  • the thread eye part 102 is arranged with its support sections 140, 142 on the parallel sections 130, 132 of the legs 118, 120.
  • the edges of the outer edge 138 of the thread eye part 102 formed between the support sections 140, 142 and the web sections 144, 146 are arranged at the angled transitions between the angle sections 126, 134 and 128, 136 and the parallel sections 130 and 132 of the legs 118, 120 .
  • the upper angular sections 126, 128 of the limbs 118, 120 and the upper web section 144 delimit a triangular upper intermediate space 152.
  • the lower angular sections 134, 136 of the limbs 118, 120 and the lower web section 146 delimit a triangular lower interspace 154.
  • the spaces 152, 154 are each completely filled with a plastic filling 156, 158. Between the web sections 144, 146 and the plastic fillings 156, 158, a single-surface adhesion zone is formed in each case, which is not interrupted by edges.
  • the plastic fillings 156, 158 are made from an epoxy resin. The plastic fillings 156, 158 completely fill the corners between the legs 118, 120 and between the legs 118, 120 and the web sections 144, 146 and are designed to fit the cross sections of the legs 118, 120 and the cross sections of the web sections 144, 146 .
  • the outer edge 138 is functionalized differently all around.
  • the outer edge 138 is profiled in the form of a groove on the support sections 140, 142 for a form-fitting connection with the parallel sections 130, 132 of the legs 118, 120.
  • List of reference symbols 100 Heald 102 Thread eye part 104 Longitudinal axis 106 Latitude axis 108 Depth axis 110 origin 112 Focus 114 Shaft section 116 Eye segment 118 leg 120 leg 122 Shank section part 124 Shank section part 126 Angular section 128 Angular section 130 Parallel section 132 Parallel section 134 Angular section 136 Angular section 138 Outer edge 140 Support section not 142 Support section not 144 Web section 146 Web section 148 Inner edge 150 Thread eye 152 Space 154 Space 156 Plastic filling 158 Plastic filling ⁇ Center angle

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
EP19183786.3A 2018-07-05 2019-07-02 Weblitze Active EP3591104B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18181886 2018-07-05

Publications (2)

Publication Number Publication Date
EP3591104A1 EP3591104A1 (de) 2020-01-08
EP3591104B1 true EP3591104B1 (de) 2021-03-10

Family

ID=62874635

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19183786.3A Active EP3591104B1 (de) 2018-07-05 2019-07-02 Weblitze

Country Status (2)

Country Link
EP (1) EP3591104B1 (zh)
CN (1) CN110685049B (zh)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE214133C (de) 1908-10-14 1909-10-11 Weblitze
DE498038C (de) * 1925-09-17 1930-05-17 Walter Braecker Verfahren zur Herstellung von in Weblitzen einzusetzenden, aus Metallstreifen ausgestanzten Augen
CH692587A5 (de) 1997-09-16 2002-08-15 Braecker Ag Stabförmiges Fadenführungselement für Textilmaschinen, insbesondere Weblitze, und Verfahren zur Herstellung desselben.
FR2776676B1 (fr) 1998-03-31 2000-05-26 Staubli Lyon Procede de fabrication d'une lisse, lisse et dispositif de formation de la foule pour metier a tisser
CH695240A5 (de) * 2001-02-28 2006-02-15 Braecker Ag Weblitze und Verfahren zur Herstellung einer Weblitze.
DE102007048761B4 (de) * 2007-10-10 2011-11-24 Heinrich Derix Gmbh Weblitze
EP2166138A1 (de) 2008-09-23 2010-03-24 Groz-Beckert KG Jacquardlitze mit geprägtem Fadenaugenbereich
CN205152486U (zh) * 2015-10-28 2016-04-13 林文进 综丝片结构

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
CN110685049B (zh) 2022-10-25
EP3591104A1 (de) 2020-01-08
CN110685049A (zh) 2020-01-14

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