EP3591104A1 - Lisse - Google Patents

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Publication number
EP3591104A1
EP3591104A1 EP19183786.3A EP19183786A EP3591104A1 EP 3591104 A1 EP3591104 A1 EP 3591104A1 EP 19183786 A EP19183786 A EP 19183786A EP 3591104 A1 EP3591104 A1 EP 3591104A1
Authority
EP
European Patent Office
Prior art keywords
sections
heald
legs
web
outer edge
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.)
Granted
Application number
EP19183786.3A
Other languages
German (de)
English (en)
Other versions
EP3591104B1 (fr
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/fr
Application granted granted Critical
Publication of EP3591104B1 publication Critical patent/EP3591104B1/fr
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
    • 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
    • D03C9/022—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 heald having a shaft section, an eye section with two legs and a circumferentially closed thread eye piece 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 thread eye part made from a wire section has become known.
  • the wire section is formed into a ring, the ends of the wire section being brought together at the end.
  • Such a thread suction part is inserted between the stranded wires, fastened there as tightly as possible and soldered to the stranded wires.
  • the document DE 214133 A referenced which reveals a heald with a soldered-in Maillon, the Maillon being designed as a ring with a joint.
  • the object of the invention is to provide a heald which is mentioned at the outset and which has an extended service life even under increased mechanical and chemical stress. Protruding protrusions and / or their occurrence should be avoided. Returns that favor unwanted residues and / or their occurrence should be avoided. Even a partial loosening of a filling or even the thread suction part should be prevented.
  • the heald according to the invention achieves unexpected technical advantages. It has been found that the filling no longer breaks out when the heald according to the invention is used.
  • heald according to the invention can be used longer in a weaving machine and replacement intervals are extended.
  • the rectangular shape of the thread suction part and the outer edge running flat on the web sections necessitate 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 heald according to the invention brings about and intensifies favorable tension profiles, so that tension peaks which could lead to the fillings being released are reduced or avoided.
  • the result is a combinatorial technical effect that is different than the sum of the technical effects of the individual features.
  • the heald can be a jacquard.
  • the heald 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 each have a pull section at the ends.
  • the pull section can be designed as a corrugation.
  • the pull section can be designed as an end loop.
  • the end loop can be trapezoidal or diamond-shaped.
  • the shaft section and the eye section can be produced from a single wire.
  • the shaft portion and the eye portion can be made of a corrosion 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 cutting 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 diverge in the width direction at the first angular sections.
  • the legs can run together again at the second angle 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. 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 suction 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 larger extension in the longitudinal direction and a smaller extension 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 at the web sections.
  • the The inner edge can transition radially between the support sections and the web sections.
  • the thread eye can have a center. The center point and the origin of the longitudinal axis, the width 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 correspond at least approximately 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 correspond at least approximately 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 a space.
  • a web section and the second angular sections of the leg parts can delimit a space.
  • the spaces can each have a triangular shape.
  • a thread suction part manufactured to be closed all round can be closed all round without joining.
  • the support sections and the web sections can form four circumferentially arranged sections of the thread suction part.
  • the thread eye part can have a quadrangular, in particular rectangular, shape. In this context, "quadrangular” does not necessarily imply that the thread eye part has four corners and / or four sides, but rather 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 run straight and / or curved in sections.
  • the outer edge can run straight along the support sections.
  • the outer edge can run curved along the web sections.
  • the support sections and the web sections can merge into one another in an angular, angular, angular or radius-shaped manner.
  • the outer edge can run flat on the web sections.
  • An outer edge running flat on the web sections can be an outer edge which runs on the web sections without major elevations and depressions.
  • An outer edge running flat on the web sections can be an outer edge which runs on the web sections without edges, corners or angles.
  • the gaps can each be filled with a plastic filling. The gaps can each be completely filled.
  • the outer edge can run in an arc at the web sections.
  • the outer edge can have at least approximately a circular arc shape on the web sections.
  • the circular arc shape can have a central angle that is less than 180 °.
  • the circular arc shape can have a central angle that is less than 150 °, in particular less than 120 °, in particular less than 90 °.
  • the outer edge can run between the support sections and the web sections in an angular, angular, angular or radius-shaped manner.
  • 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, angular or angular transitions between the angled sections and the parallel sections of the legs.
  • a single-surface adhesion zone can 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 positive connection with the legs.
  • the outer edge can have a profile at least approximately geometrically complementary to a leg cross-section at the support sections for the positive connection with the legs.
  • the outer edge can be functionalized on the web sections for an improved material connection with the plastic fillings.
  • the thread suction part can be made from sheet metal.
  • the thread suction part can be produced in a stamping process.
  • the thread eye part can be reworked.
  • the thread eye part can be rounded.
  • the thread suction part can be hardened.
  • the thread eye part can be left on.
  • the thread suction part can be surface-protected.
  • the thread eye part can be nickel-plated.
  • the heald according to the invention With the heald according to the invention, favorable stress profiles are brought about and reinforced, in particular on the fillings of the intermediate 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. Protruding protrusions and / or their occurrence is avoided. Returns that favor unwanted residues and / or their occurrence are avoided.
  • the heald according to the invention thus has an extended service life. Increased tissue quality can be achieved with maximum efficiency.
  • the heald can also be used for the finest warp threads with increased thread tension and extremely fast-running machines.
  • the heald has a particularly thread-protecting and durable surface. Injuries to warp threads due to material fatigue or corrosion are prevented.
  • the heald has an extremely smooth surface for improved thread sliding.
  • the heald is bumpy and impact-resistant.
  • the use of solder is avoided.
  • the heald 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 can be guaranteed. Even with very high row densities, a high quality fabric quality can be achieved with the heald.
  • Fig. 1 shows a heald 100 with a thread eye part 102.
  • Fig. 2 shows the thread suction part 102 in top view and in sectional view.
  • the heald 100 is a jacquard heald.
  • the heald 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 112.
  • the origin 110 and the center 112 correspond to each other.
  • the heald 100 has a shaft section 114 and an eye section 116 with two legs 118, 120.
  • the heald 100 is symmetrical 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 angle section 126, 128, a parallel section 130, 132 and a lower angle section 134, 136.
  • the legs 118, 120 diverge from the upper shaft section part 122 at the upper angle sections 126, 128 in the width direction, converge again at the lower angle sections 134, 136 towards the lower shaft section part 124 and run between the upper angle sections 126, 128 and the lower ones Angular sections 134, 136 on the parallel sections 130, 132 to one another and to the longitudinal axis 104 are parallel.
  • the angle sections 126, 128 and 134, 136 each form an acute angle.
  • the acute angles enclosed by the angle sections 126, 128 and 134, 136 in the present case are each approximately 20 ° to approximately 40 °, in particular approximately 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 or 132 are in each case approximately 10 ° to approximately 30 °, in particular approximately 20 °.
  • the shaft portion 114 and the eye portion 116 are made from a single wire made of a corrosion 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 here by cutting and reshaping the individual wire.
  • the legs 118, 120 each have a round cross section on 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 extends 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 on 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 radially between the support sections 140, 142 and the web sections 144, 146.
  • the outer edge 138 extends 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 in a flat, arched manner without edges.
  • the outer edge 138 has at least approximately a circular arc shape on the web sections 144, 146, the center angle ⁇ of which is approximately 90 °.
  • the outer edge 138 extends between the support sections 140, 142 and the web sections 144, 146 in an angular manner. The angular course of the outer edge 138 between the support sections 140, 142 and the web sections 144, 146 takes place at an obtuse angle.
  • the thread suction part 102 is made closed all round.
  • the thread suction part 102 is produced in a stamping process from a sheet of a corrosion and acid-resistant steel.
  • the thread suction part 102 is reworked and provided with a surface protection.
  • the thread suction 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 suction part 102 formed between the support sections 140, 142 and the web sections 144, 146 are arranged at the angular transitions between the angle sections 126, 134 or 128, 136 and the parallel sections 130 and 132 of the legs 118, 120 ,
  • the upper angular sections 126, 128 of the legs 118, 120 and the upper web section 144 delimit a triangular upper space 152.
  • the lower angular sections 134, 136 of the legs 118, 120 and the lower web section 146 delimit a triangular lower space 154.
  • the spaces 152, 154 are each completely filled with a plastic filling 156, 158.
  • a single-surface adhesion zone is formed between the web sections 144, 146 and the plastic fillings 156, 158, which is not interrupted by edges.
  • the plastic fillings 156, 158 are made of 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 lie against the cross sections of the legs 118, 120 and against the cross sections of the web sections 144, 146 ,
  • the outer edge 138 is functionalized differently all around.
  • the outer edge 138 is profiled on the support sections 140, 142 for a positive connection with the parallel sections 130, 132 of the legs 118, 120.
  • LIST OF REFERENCE NUMBERS 100 heald 102 Fadenaugteil 104 longitudinal axis 106 width axis 108 depth axis 110 origin 112 Focus 114 shank portion 116 Augabterrorism 118 leg 120 leg 122 Shaft section part 124 Shaft section part 126 angle section 128 angle section 130 parallel section 132 parallel section 134 angle section 136 angle section 138 outer edge 140 support section 142 support section 144 web section 146 web section 148 inner edge 150 thread eye 152 gap 154 gap 156 Plastic filling 158 Plastic filling ⁇ Central angle

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

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=62874635

Family Applications (1)

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

Country Status (2)

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

Citations (7)

* 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
FR2776676A1 (fr) 1998-03-31 1999-10-01 Staubli Lyon Procede de fabrication d'une lisse, lisse et dispositif de formation de la foule pour metier a tisser
CH692587A5 (de) 1997-09-16 2002-08-15 Braecker Ag Stabförmiges Fadenführungselement für Textilmaschinen, insbesondere Weblitze, und Verfahren zur Herstellung desselben.
EP1252944A2 (fr) * 2001-02-28 2002-10-30 Bräcker AG Lisse et procédé de fabrication d'une lisse
DE102007048761A1 (de) * 2007-10-10 2009-04-16 Heinrich Derix Gmbh Weblitze
EP2166138A1 (fr) 2008-09-23 2010-03-24 Groz-Beckert KG Lisse Jacquard dotée d'une zone d'oeil gaufré

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205152486U (zh) * 2015-10-28 2016-04-13 林文进 综丝片结构

Patent Citations (7)

* 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.
FR2776676A1 (fr) 1998-03-31 1999-10-01 Staubli Lyon Procede de fabrication d'une lisse, lisse et dispositif de formation de la foule pour metier a tisser
EP1252944A2 (fr) * 2001-02-28 2002-10-30 Bräcker AG Lisse et procédé de fabrication d'une lisse
DE102007048761A1 (de) * 2007-10-10 2009-04-16 Heinrich Derix Gmbh Weblitze
EP2166138A1 (fr) 2008-09-23 2010-03-24 Groz-Beckert KG Lisse Jacquard dotée d'une zone d'oeil gaufré

Also Published As

Publication number Publication date
CN110685049A (zh) 2020-01-14
EP3591104B1 (fr) 2021-03-10
CN110685049B (zh) 2022-10-25

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