EP3597805A1 - Lisse à tisser - Google Patents

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Publication number
EP3597805A1
EP3597805A1 EP18184366.5A EP18184366A EP3597805A1 EP 3597805 A1 EP3597805 A1 EP 3597805A1 EP 18184366 A EP18184366 A EP 18184366A EP 3597805 A1 EP3597805 A1 EP 3597805A1
Authority
EP
European Patent Office
Prior art keywords
section
heald
functional
single strand
pull
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.)
Withdrawn
Application number
EP18184366.5A
Other languages
German (de)
English (en)
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
Priority to EP18184366.5A priority Critical patent/EP3597805A1/fr
Priority to CN201910646393.6A priority patent/CN110735207A/zh
Publication of EP3597805A1 publication Critical patent/EP3597805A1/fr
Withdrawn legal-status Critical Current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
    • D03C9/02—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
    • D03C9/04—Metal healds

Definitions

  • the invention relates to a heald made from a single strand, the heald having a shaft section with a first shaft end and a second shaft end, a first pull section arranged on the first shaft end and a second pull section arranged on the second shaft end.
  • the heald body has an eyelet at at least one end, which is formed by a bent wire section which is welded to the heald body at at least one location, that the heald body is provided with at least one bend at at least one end and that at the a fastening element for fastening a tension spring is arranged at the bend end of the heddle body.
  • the invention is based on the object of structurally and / or functionally improving a heald mentioned at the beginning.
  • the heald can be a jacquard.
  • the heald can be a circular heald.
  • the single strand can be a round material.
  • the single strand can be made of a metal.
  • the single strand can be produced in a drawing process.
  • the metal can be a corrosion and acid resistant steel.
  • the single strand can be made from a wire.
  • the single strand can be made of a plastic.
  • the heald can have a longitudinal axis.
  • a direction of extension of the longitudinal axis can be referred to as the longitudinal direction.
  • the first shaft end and the second shaft end can limit the heald in the longitudinal direction.
  • the single strand can have an at least approximately circular cross section at the first shaft end and / or at the second shaft end.
  • the single strand can have an at least approximately constant cross-section over its length at the first shaft end and / or at the second shaft end.
  • the single strand can be present on the first shaft end and / or on the second shaft end at least approximately without cross-sectional changes.
  • the single strand can be present at least approximately without plastic cross-sectional changes at the first shaft end and / or at the second shaft end.
  • the single strand can be present on the first shaft end and / or on the second shaft end without any intended cross-sectional changes.
  • the single strand can be present at least approximately without flattening on the first shaft end and / or on the second shaft end.
  • the single strand can be present on the first shaft end and / or on the second shaft end without separation.
  • Heald from a single strand here means in particular that the heald is made from a single strand of material.
  • a heald from a single strand can also be referred to as a mono heald, in particular as a monowire heald if the single strand is a wire.
  • “Heald from a single strand” is to be understood in the present case in particular as distinct from a heald that is made from two interconnected strands of material.
  • a heald that is made from two interconnected strands of material can also be referred to as a double heald, in particular a double-wire heald if the strands of material are wires.
  • the heald can have an eye section.
  • the eye section can longitudinally divide the shaft section into a first shaft section part and one share the second shaft section part.
  • the eye section can be delimited by two legs.
  • the eye section with the two legs can be produced by separating the single strand.
  • a thread eye part can be arranged on the eye section.
  • the thread eye part can limit a thread eye.
  • the thread eye part can also be called a Maillon.
  • the thread eye part can be soldered or glued into the eye section.
  • the first pull section and the second pull section can serve to apply a tensile force to the heald in order to shift the heald in the longitudinal direction for shed formation and back.
  • the friction-reducing surface can be achieved by a roughness of the structure and / or a lattice structure of the material.
  • the friction-reducing surface can be achieved by manufacturing in a drawing process.
  • the heald can have a single functional section or a plurality of functional sections, in particular two or three functional sections.
  • the heald can have a first functional section, a second functional section and a third functional section.
  • the first functional section and the second functional section can be arranged on the first pull section.
  • the third functional section can be arranged on the second pull section.
  • the first pull section can be designed as an end loop.
  • the end loop can be trapezoidal or diamond-shaped.
  • the first tension section can be formed by plastic deformation of the single strand.
  • the end loop can have a clamping section.
  • the clamping section can be arranged on the longitudinal axis.
  • the clamping section can have a U-like shape.
  • the clamping section can have two clamping legs.
  • the clamping section can have a back.
  • the clamping legs can be arranged parallel to one another.
  • the clamping legs can be arranged at a distance from one another.
  • the clamping legs can have a predetermined distance from one another.
  • the back can connect the clamping legs with each other.
  • the first pull section in particular the clamping section, can serve to connect the heald with a pulling means.
  • the first pulling section in particular the clamping section, can serve to hold the heald positively, in particular frictionally connected to a traction device.
  • the first pull section in particular the clamping section, can serve to form a friction pairing with a pulling means.
  • the first pull section in particular the clamping section, can serve to clamp a pulling means.
  • the traction means can be limp.
  • the traction means can be a cord, in particular a harness cord.
  • the predetermined distance between the clamping legs can be matched to a predetermined traction means thickness, in particular harness cord strength.
  • the at least one functional section can be arranged on the clamping section.
  • the first functional section can be arranged on the clamping section.
  • a clamping element can be arranged or can be arranged on the first pull section.
  • the clamping element can be rigid or flexible.
  • the clamping element can be designed as a sleeve or hose.
  • the clamping element can serve to compress the end eyelet, in particular the clamping legs, in order to increase a holding force between the first pull section and the pulling means.
  • the end loop can have a closing section.
  • the end loop can be closed with the aid of the closing section.
  • one end of the single strand and an intermediate section of the single strand can be arranged parallel to one another.
  • one end of the single strand and an intermediate section of the single strand can be firmly connected to one another.
  • one end of the single strand and an intermediate section of the single strand can be glued, soldered or welded together.
  • a plastic element can be arranged on the closing section.
  • the plastic element can serve to form a stop for the clamping element.
  • the plastic element can serve to cover the end of the single strand.
  • the plastic element can serve as edge protection.
  • the plastic element can be produced in an injection molding process.
  • the plastic element can be molded onto the heald.
  • the closing section and the protective element can form a friction pairing and / or a positive connection.
  • the at least one functional section can be arranged on the closing section.
  • the second functional section can be arranged on the closing section.
  • the second tension section can be formed by plastic deformation of the single strand.
  • the second train section can be straight.
  • the second pull section can be designed without corrugation.
  • the second pull section can be designed with reduced corrugation.
  • the second pull section can be designed as a corrugation.
  • the corrugation can be wavy, zigzag or spiral.
  • the second pull section, in particular the corrugation can serve to connect the heald with a pull connector.
  • the second pull section, in particular the corrugation can serve to connect the heald with a non-positive, in particular friction, and / or positive connection with a pull connector.
  • the second pull section, in particular the corrugation can serve to form a friction pairing and / or a positive connection with a pull connector.
  • the train connector can be made of a plastic.
  • the train connector can be made in an injection molding process.
  • the tension connector can be molded onto the heald.
  • the pull connector can be used to connect the heald to a pulling means.
  • the pull connector can be profiled for connection to the pulling means.
  • the traction means can be a tension spring.
  • the tension spring can be a coil spring.
  • the tension connector can have a thread corresponding to the helical spring.
  • the at least one functional section can be arranged on the second pull section.
  • the third functional section can be arranged on the second pull section.
  • the at least one functional section can extend over a partial circumference of the single strand.
  • the first functional section can extend over a partial circumference of the single strand.
  • the first functional section can extend over a partial circumference of the clamping legs and / or the back.
  • the first functional section can extend on the inside over a partial circumference of the clamping legs and / or the back.
  • the at least one functional section can extend over an entire scope of the single strand.
  • the second functional section can extend over an entire scope of the single strand.
  • the second functional section can extend over an entire circumference of the closing section.
  • the third functional section can cover an entire scope of the Single strand extend.
  • the third functional section can extend over an entire circumference of the corrugation.
  • the increased roughness of the at least one functional section can be achieved by shape deviations in the form of grooves, scoring, scales, crests and / or a structure.
  • the increased roughness of the at least one functional section can be produced in an embossing, knurling or blasting process or chemically.
  • An effort, such as manufacturing and / or cost, can be reduced with the invention.
  • Productivity, operability and / or durability can be increased.
  • Suitability for increased thread tension, fine and finest warp threads and / or weaving machines running at increased speed can be increased.
  • Thread-protecting properties can be improved.
  • a high line density of warp threads is made possible.
  • Fabric quality can be improved.
  • a pairing between heald and traction device, especially harness cord, can be improved.
  • a need to use increased diameter harness cords can be avoided. This can reduce weight.
  • Fig. 1 shows a heald 100 designed as a jacquard heald.
  • the heald 100 is produced from a single strand with a circular cross section.
  • the heald 100 has a shaft section 102 with a first shaft end 104 and a second shaft end 106. At the first shaft end 104, a first pull section 108 designed as an end eyelet is arranged. At the second shaft end 106 there is a second tension section 110 designed as a corrugation.
  • the heald 100 has an eye section 112 which divides the shaft section into a first shaft section part and a second shaft section part. The eye section 112 is delimited by two legs which are produced by separating the single strand.
  • a thread eye part 114 is arranged and soldered to the eye section 112.
  • the heald 100 is made from a drawn wire made of a corrosion and acid-resistant steel and therefore has a friction-reducing surface.
  • the heddle 100 has a first functional section 116 and a second functional section 118 on the first pull section 108 and a third functional section 120 on the second pull section 110.
  • the functional sections 116, 118, 120 have an increased roughness compared to the friction-reducing surface.
  • Fig. 1 also shows the first pull section 108 with the first functional section 116 and the second functional section 118 and the second pull section 110 with the third functional section 120 in a detailed view.
  • the first pull section 108 which is designed as an end eyelet, is diamond-shaped due to the plastic shaping of the single strand and has a U-shaped clamping section 122 with two clamping legs 124, 126 and a back 128.
  • a harness cord can be clamped between the clamping legs 124, 126 in order to frictionally close the heald 100 and the harness cord to one another connect.
  • the first functional section 116 is arranged on the inside of the clamping section 122 to increase a frictional force. It is then not necessary to use harness cords with an increased diameter in order to ensure a required holding force or to increase a holding force.
  • a clamping element designed as a sleeve or hose can be arranged on the first pull section 108 and serves to compress the clamping legs 124, 126 in order to increase a holding force between the first pull section 108 and the harness cord.
  • the first pull section 108 designed as an end eyelet has a closing section 130.
  • One end of the single strand and an intermediate portion of the single strand are soldered to one another at the closing section 130.
  • a plastic element can be molded onto the closing section 130, which serves to form a stop for the clamping element and to cover the end of the single strand.
  • the second functional section is arranged on the closing section 130 to increase a frictional force over an entire circumference. A connection between the plastic element and the closing section 130 is thus improved.
  • the second tensile section 110 which is designed as a corrugation, is formed by plastic deformation of the single strand.
  • a tensile connector made of a plastic can be molded onto the second tensile section 110, which serves to connect the heald 100 and a helical tension spring to one another.
  • the third functional section 120 is arranged to increase a frictional force over an entire circumference on the second pull section 110. This improves a connection between the train connector and the second train section 110. Due to the improved connection, the second pull section 110 can in particular also be designed with reduced corrugation or straight. In this way, a manufacturing outlay and / or a weakening are reduced.
  • Fig. 2 shows a first train section 200, like first train section 108 according to Fig. 1 , with a first functional section 202 and the first functional section 202 in a detailed view.
  • the first functional section 202 is on the inside of the clamping legs 204, 206 and to increase a frictional force arranged on the inside on the back 208.
  • the first functional section 202 is formed by shape deviations in the form of grooves. For the rest, in addition, in particular Fig. 1 and the associated description.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
EP18184366.5A 2018-07-19 2018-07-19 Lisse à tisser Withdrawn EP3597805A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP18184366.5A EP3597805A1 (fr) 2018-07-19 2018-07-19 Lisse à tisser
CN201910646393.6A CN110735207A (zh) 2018-07-19 2019-07-17 综丝

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18184366.5A EP3597805A1 (fr) 2018-07-19 2018-07-19 Lisse à tisser

Publications (1)

Publication Number Publication Date
EP3597805A1 true EP3597805A1 (fr) 2020-01-22

Family

ID=63012856

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18184366.5A Withdrawn EP3597805A1 (fr) 2018-07-19 2018-07-19 Lisse à tisser

Country Status (2)

Country Link
EP (1) EP3597805A1 (fr)
CN (1) CN110735207A (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009008670A2 (fr) * 2007-07-09 2009-01-15 Namdo Mold Co., Ltd. Lisse
EP2166139A1 (fr) 2008-09-23 2010-03-24 Groz-Beckert KG Lisse Jacquard dotée d'une zone visuelle de fil imprégnée
KR20100044053A (ko) * 2008-10-21 2010-04-29 김재근 직기용 성형(사출) 종광에 육각형(벌집구조)을 성형하는 것

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009008670A2 (fr) * 2007-07-09 2009-01-15 Namdo Mold Co., Ltd. Lisse
EP2166139A1 (fr) 2008-09-23 2010-03-24 Groz-Beckert KG Lisse Jacquard dotée d'une zone visuelle de fil imprégnée
EP2166138A1 (fr) 2008-09-23 2010-03-24 Groz-Beckert KG Lisse Jacquard dotée d'une zone d'oeil gaufré
KR20100044053A (ko) * 2008-10-21 2010-04-29 김재근 직기용 성형(사출) 종광에 육각형(벌집구조)을 성형하는 것

Also Published As

Publication number Publication date
CN110735207A (zh) 2020-01-31

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