EP1274890B1 - Boitier de rapiere pour rapiere de metier a tisser - Google Patents

Boitier de rapiere pour rapiere de metier a tisser Download PDF

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Publication number
EP1274890B1
EP1274890B1 EP01929512A EP01929512A EP1274890B1 EP 1274890 B1 EP1274890 B1 EP 1274890B1 EP 01929512 A EP01929512 A EP 01929512A EP 01929512 A EP01929512 A EP 01929512A EP 1274890 B1 EP1274890 B1 EP 1274890B1
Authority
EP
European Patent Office
Prior art keywords
edges
guides
metal plates
gripper
thickness
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 - Lifetime
Application number
EP01929512A
Other languages
German (de)
English (en)
Other versions
EP1274890A1 (fr
Inventor
Kristof Roelstraete
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
Original Assignee
Picanol NV
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 Picanol NV filed Critical Picanol NV
Publication of EP1274890A1 publication Critical patent/EP1274890A1/fr
Application granted granted Critical
Publication of EP1274890B1 publication Critical patent/EP1274890B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/12—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein single picks of weft thread are inserted, i.e. with shedding between each pick
    • D03D47/20—Constructional features of the thread-engaging device on the inserters
    • D03D47/23—Thread grippers
    • D03D47/233—Carrying grippers

Definitions

  • the invention relates to a gripper housing for a gripper a weaving machine, in particular for a Geberreifer from one or more metal plates whose edges are at least make part of guides for threads.
  • the invention is based on the object, a gripper housing of the type mentioned above in such a way that its weight can be further reduced.
  • the edges of the metal plates are bent over. This can be in a simple way a broadening of Achieve edges of the metal plates, which for even more advantages leads. Due to the bending creates a guide surface, which requires no further processing and yet allows a gentle treatment of the threads. The actual Edges of punched or cut metal plates are due to the bending over the guides reset and do not come in contact with threads. she therefore require no processing. In addition, that leads Bending the edges to a stiffening of the metal plates or sheet metal, so that it may be possible to further reduce the sheet thickness.
  • the Guides forming edges of metal plates with a surround are widened.
  • This enclosure made of a rod-shaped body or can be formed with a pipe allow also a broadening and also a stiffening the metal plates.
  • the attachment is conveniently carried out by welding or soldering.
  • a can also Gluing be made.
  • Such bezels also have the advantage that the edges of the metal plates are not after punching or cutting must be processed.
  • the metal plates on one or both sides except the material used as guides edges removed is.
  • the removal of the material can, for example, by etching be performed.
  • this solution must be provided be that the edges of the metal plates, as far as they are later Forming guides for threads, being processed, i. polished and polished.
  • the Gebergreifer 10 shown in Fig. 1 is used to a Weft 11 held by a feeder 12 is to pick up and bring in a shed 13.
  • the Shed 13 is formed of warp threads 14, 15 which are raised and lowered. Once the Gebergreifer 10 the weft has taken, this is separated from the tissue 16. After the insertion of the weft thread 11 in the shed 13 this is struck at the edge of the fabric 16.
  • the encoder gripper 10 brings the weft until about in the middle of the shed 13.
  • the weft 11 is taken over there by a receiving gripper, not shown and brought to the opposite side.
  • the Geberreifer 10 is mounted on a rapier band 17, the by means of a drive, not shown, together with the Geberreifer 10 pushed into the shed 13 and off this is pulled out again.
  • the Geberreifer 10 includes a base body, which consists of a Sheet metal, in particular a sheet steel plate, to a in is bent essential tubular housing.
  • the Geberreifer 10 has predominantly a U-shaped cross-section.
  • Of the Cross bar 18 is located on the top of the rapier band 17 and is attached to this by means not shown screws. From this crossbar 18 protrude two side cheeks 19, 20 upwards. From the side wall 20 is up in the direction to the middle of a section 21 bent at the one after inside bent section 22 connects that into the interior of the gripper housing protrudes.
  • the thread clamp 27 consists of a stationary clamping part 28 and a movable clamping part 29, the weft 11th between them.
  • the stationary clamping part 28 is by means of Screws 30 attached to the side wall 19 of the Gebergreifers.
  • the guides 23, 24, 25, 26, 31, 32 forming edges of the the housing of Gebergreifers 10 forming metal plate each bent inwards so that they form a kind of fold.
  • the bending is be performed with a bending radius.
  • This bending radius is slightly larger than the thickness of the metal plate, so that the Guides 23 to 26, 31, 32 bearing surfaces for weft threads and warp threads that are much wider than the thickness the metal plate are. Because of this training, it is possible while keeping the thickness of the metal plate very low the guides 23 to 26, 31, 32 a sufficient width have and not as a knife or cutting edge for sliding over it Threads work.
  • the Geberreifer 10 'of FIG. 4 is in principle accordingly the Geberreifer 10 of FIG. 1 to 3, so that on whose description is referenced. There is a difference first in that the section 22 'is not made in one piece the metal plate made with the remaining wall sections is, but its own metal plate is with the one bent neck portion 21 'by welding connected is. In this embodiment, the guides 23 'formed by the edges of the metal plate, 25 ', 26', 31 '(and the guides not visible in FIG. 4) a width greater than the thickness of the metal plate is, from which the gripper housing is formed.
  • the metal plate forming the portion 22 ' is up the guide 26 'forming edge machined on both sides by etching been, so that the thickness over the the guide 26 'forming edge is reduced. Also the guide 26 ' forming edge is on the outside even later by means of grinding and / or polishing has been edited to make a smooth, round To form surface.
  • a metal plate is provided instead of the metal plate 22 ', the total thickness of the guide 26 'has. at another modified embodiment, the section 19 'in total the thickness of the guide 31'.
  • the increased thickness in This section may be for recording the Forces of the thread clamp 27 advantageous.
  • the gripper housing shown in Fig. 5 of a gripper rapier 10 "corresponds to the structure of the embodiment to Fig. 1 to 3, so that reference is made to the description thereof becomes.
  • the edges of the metal plate containing the guides 23 “, 25 “, 26", 31 “(as well as the invisible guides 24 and 32) are to achieve the thickness of the metal plate Overlapping width provided with a border.
  • the Guides 23 “and 25” are of a curved, in Cross-section circular rod formed with a longitudinal groove provided and attached to the edges of the metal plate is.
  • the guides 26 "and 31” It is also possible to widen the edges in the area of these guides by causing these edges are enclosed with a slotted, round tube.
  • These Presets are preferably made of a wear-resistant Steel and are preferably welded to the metal plate.
  • the invention is of course not on the illustrated Embodiments limited. She can in particular can also be used with gripper grippers, with metal strips which form guides. Furthermore It is also possible, the different ways by means of which guides are formed which are wider than the Thickness of the metal plate are to combine with each other, i. in the area of some guides the edges of the metal plate bend over and in the range of other guides the edges with to provide a mount. There are also other designs of borders possible, in particular the use of strip-shaped, inside or outside in the area next to the edges welded strips.

Claims (6)

  1. Corps de pinces pour une pince d'une machine à tisser, en particulier pour une pince de transmission composée d'une ou de plusieurs plaques métalliques dont les bords forment au moins partiellement des guidages pour des fils,
    caractérisé en ce que
    au moins une partie des bords des plaques métalliques qui forment des guidages (23, 24, 25, 26, 31, 32), ont une largeur supérieure à l'épaisseur des plaques métalliques.
  2. Corps de pinces selon la revendication 1, caractérisé en ce que les bords des plaques métalliques formant les guidages (23, 24, 25, 26, 31, 32) sont recourbés.
  3. Corps de pinces selon la revendication 2, caractérisé en ce que les bords formant les guidages (23 à 26, 31, 32) sont recourbés avec un rayon de courbure supérieur à l'épaisseur des plaques métalliques.
  4. Corps de pinces selon la revendication 1, caractérisé en ce que les bords des plaques métalliques formant les guidages (23", 24", 25", 26", 31 ", 32") sont élargis au moyen d'une bordure.
  5. Corps de pinces selon la revendication 4, caractérisé en ce que les bordures possèdent un côté extérieur arrondi.
  6. Corps de pinces selon la revendication 1, caractérisé en ce que du matériau est enlevé des plaques métalliques sur l'un ou les deux côtés, mis à part les bords servant de guidage (23', 25', 26', 31').
EP01929512A 2000-04-17 2001-04-06 Boitier de rapiere pour rapiere de metier a tisser Expired - Lifetime EP1274890B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10018939 2000-04-17
DE10018939A DE10018939A1 (de) 2000-04-17 2000-04-17 Greifergehäuse für einen Greifer einer Webmaschine
PCT/EP2001/003931 WO2001079596A1 (fr) 2000-04-17 2001-04-06 Boitier de rapiere pour rapiere de metier a tisser

Publications (2)

Publication Number Publication Date
EP1274890A1 EP1274890A1 (fr) 2003-01-15
EP1274890B1 true EP1274890B1 (fr) 2005-12-07

Family

ID=7639013

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01929512A Expired - Lifetime EP1274890B1 (fr) 2000-04-17 2001-04-06 Boitier de rapiere pour rapiere de metier a tisser

Country Status (7)

Country Link
US (1) US6923220B2 (fr)
EP (1) EP1274890B1 (fr)
CN (1) CN1291085C (fr)
AT (1) ATE312217T1 (fr)
AU (1) AU2001256261A1 (fr)
DE (2) DE10018939A1 (fr)
WO (1) WO2001079596A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090012852A1 (en) * 2007-07-03 2009-01-08 Right Media, Inc. Data marketplace and broker fees

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3192698A (en) * 1960-01-27 1965-07-06 Alfred W Vibber Twisting spindle balloon control
DE1256169B (de) * 1960-03-28 1967-12-07 Draper Corp Schussfadeneinsetzer fuer Webmaschinen mit Entnahme des Schussfadens von ortsfesten Vorratspulen
US3081796A (en) * 1961-04-20 1963-03-19 Draper Corp Filling carrier for shuttleless looms
DE1221118B (de) * 1963-08-09 1966-07-14 Palitex Project Co Gmbh Doppeldraht-Zwirn- und Spinnspindel
IT1132844B (it) * 1980-09-15 1986-07-09 Nuovo Pignone Spa Perfezionamenti nelle pinze passatrama per telai tessili
EP0272206A3 (fr) * 1986-11-19 1990-03-07 GebràœDer Sulzer Aktiengesellschaft Organe d'insertion du fil de trame pour métier à tisser à griffes
EP0441099B1 (fr) * 1990-02-05 1996-01-31 Sulzer RàœTi Ag Griffe porteuse pour métiers à tisser à griffes
DE9202068U1 (fr) * 1991-04-10 1992-04-02 Gebrueder Sulzer Ag, Winterthur, Ch
EP0812938B1 (fr) * 1996-06-14 2001-04-04 Sulzer Textil AG Corps porteur pour un pince-fil et pince d'amenée pour un métier à tisser à griffes avec un tel corps porteur
JPH1136159A (ja) 1997-07-11 1999-02-09 Toyota Autom Loom Works Ltd レピア織機における緯入れ装置
BE1011480A3 (nl) * 1997-10-03 1999-10-05 Picanol Nv Gevergrijper voor een grijperweefmachine.

Also Published As

Publication number Publication date
US20030136460A1 (en) 2003-07-24
CN1425087A (zh) 2003-06-18
US6923220B2 (en) 2005-08-02
WO2001079596A1 (fr) 2001-10-25
ATE312217T1 (de) 2005-12-15
DE50108315D1 (de) 2006-01-12
DE10018939A1 (de) 2001-10-18
CN1291085C (zh) 2006-12-20
AU2001256261A1 (en) 2001-10-30
EP1274890A1 (fr) 2003-01-15

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