CN101387036A - Thread clamp for a gripper head and method for operating the same - Google Patents

Thread clamp for a gripper head and method for operating the same Download PDF

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Publication number
CN101387036A
CN101387036A CNA200810213867XA CN200810213867A CN101387036A CN 101387036 A CN101387036 A CN 101387036A CN A200810213867X A CNA200810213867X A CN A200810213867XA CN 200810213867 A CN200810213867 A CN 200810213867A CN 101387036 A CN101387036 A CN 101387036A
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CN
China
Prior art keywords
yarn
deflecting element
folder
clamping
weft yarn
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Pending
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CNA200810213867XA
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Chinese (zh)
Inventor
M·巴霍芬
R·德因考
R·鲁格
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SURTEKE CO Ltd
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SURTEKE CO Ltd
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Publication date
Application filed by SURTEKE CO Ltd filed Critical SURTEKE CO Ltd
Publication of CN101387036A publication Critical patent/CN101387036A/en
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    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/12Looms 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
    • D03D47/20Constructional features of the thread-engaging device on the inserters
    • D03D47/23Thread grippers

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

Abstract

The invention relates to a thread clamp for a rapier head and an operating method thereof. A thread clamp for a rapier head (10) for the firm clamping of weft threads (2, 2', 2'', 2''') in a rapier weaving machine is presented. The thread clamp (1) has first and second holding members (3, 4) which can be pressed against one another in a clamping region (3a, 4a) in order to hold the weft threads. Moreover, one or more deflection elements (7, 7') are provided at the thread clamp in order to deflect the weft thread or threads (2, 2', 2'', 2''') and to increase the holding force, with at least one deflection element (7, 7') being controllable.

Description

The yarn folder and the method for operating thereof that are used for gripper head
Technical field
The present invention relates to yarn folder, have the gripper head of this yarn folder and handle method, and the Rapier looms of this yarn folder, above-mentioned yarn folder is used for for the gripper head of firm grip according to the described Rapier looms weft yarn of the preorder of claim 1, and above-mentioned Rapier looms has this yarn and thread head or have this gripper head or prepare to implement this method.
Background technology
In Rapier looms, weft yarn is by being incorporated in the shed open for latitude (bringer) arrow shaft, described for latitude arrow shaft be fixed to that the arrow shaft body of rod (rod) is gone up or flexible belt on, and connect latitude and conveying at the core branchpoint place of shed open by extractor (taker) arrow shaft.Have the task that the weft yarn that is provided is provided reliably for latitude arrow shaft, described weft yarn is introduced shed open and accurately weft yarn is guided to for latitude arrow shaft.Each arrow shaft all comprises the gripper head of band yarn folder, so that firmly clamp weft yarn during wefting insertion.At automatic clamped-in style yarn folder, that is under the situation of passive yarn folder, carry out yarn by the predetermined clamping region of weft yarn being drawn in or pulled out corresponding yarn folder and connect latitude.In order to make the fabric of weft yarn with different-thickness and different smoothnesss, can in one or two gripper head, use in check yarn folder, initiatively open or unload for the yarn folder of latitude arrow shaft simultaneously, and the yarn of extractor arrow shaft presss from both sides initiatively closed or loads.
Common yarn folder mainly comprises a lever as holder, and described holder forms a wedge-like clamping gap that is used for firmly clamping weft yarn with second holder, and clamping gap is tapered towards the direction of the point of rotation of lever simultaneously.Clamping force is the most weak in the porch of leading to the yarn folder, and increases towards the inside of yarn folder now.If heavy filling/pick yarn and fine filling yarn be wefting insertion one by one, then especially clamping automatically under the situation of yarn folder, produce a kind of situation, wherein need the heavy filling/pick yarn of larger clamping force originally during batch yarn folder porch, firmly to be clamped, clamping force is so low herein, so that the heavy filling/pick yarn only faintly is held, and needs the fine filling yarn of less clamping force further to be drawn in the yarn folder, herein with they corresponding clampings consumingly.Operation disruption may take place in both cases, because the clamping of heavy filling/pick yarn is firm inadequately during wefting insertion, and the too strong and possibility tearing of fine filling yarn clamping during transferring to extractor arrow shaft.
When introducing the weft yarn of two kinds of different-thickness simultaneously, produce another problem.In most of the cases, the yarn extracting device does not allow in check weft yarn order.For example, if during batching weft yarn, at first produce thicker weft yarn and produce thin weft yarn then, therefore mainly be to form flexible clamping gap to enlarge by thick weft yarn in addition, and dangerous, the fine yarn that promptly batches subsequently is clamped in and falls short of in the clamping gap and become waste.
Summary of the invention
The objective of the invention is gripper head is utilized the yarn folder, be used for firmly clamping the weft yarn of Rapier looms, gripper head has this yarn folder simultaneously, with utilize a kind of method and handle this yarn folder, and utilize a kind of Rapier looms, described Rapier looms has this yarn folder, or has this gripper head or prepare to implement this method, and described method can be introduced different weft yarns one by one or simultaneously and especially also introduce multiple different weft yarn with this yarn folder.
This purpose is by the described yarn folder of claim 1, by the described gripper head of claim 8, reaches by the described method of claim 9 with by the described Rapier looms of claim 14 according to the present invention.
Comprise first and second holders according to the yarn folder that is used for firmly clamping the gripper head of Rapier looms weft yarn of the present invention, described first and second holders can clamp in clamping region toward each other, so that one or more weft yarn of clamping.In addition, the place is provided with one or more deflecting elements at the yarn folder, so that make one or more weft yarn deflection and increase chucking power, at least one deflecting element can be controlled simultaneously.For this reason, if desired, at least one deflecting element can be provided with its executive component, so that drive deflecting element, especially separates with two holders.The executive component of at least one deflecting element can be made for example magnetic or piezoelectric-actuator.Advantageously, when in the yarn folder, clamping one or more weft yarn, can control at least one deflecting element.
In a favourable variant scheme, two holders are made automatic clamping and/or are designed to passive clamping device.In another favourable variant scheme, at least one deflecting element is formed lever or be installed on the lever arm.
In another favourable variant scheme, at least one deflecting element is installed in the clamping region, and in another favourable variant scheme, at least one deflecting element is the next door that is installed to clamping region.Nature also can provide a plurality of controllable deflecting elements, described a plurality of deflecting elements for example one in clamping region and all the other deflecting elements be separately positioned on the one or both sides place of clamping region.
In method according to the yarn folder of the gripper head that is used for handling Rapier looms of the present invention, described yarn anchor clamps have first and second holders, two holders compress in clamping region toward each other, one or more weft yarn of clamping and one or more deflecting elements are set in clamping region, make one or more weft yarn deflection by described deflecting element, and increase the chucking power of yarn folder.In addition, for introducing one or more weft yarn, control at least one deflecting element.If desired, can control at least one in check deflecting element to each independent wefting insertion.
In an advantageous embodiments of method, during batching and/or shift one or more weft yarn, can shrink at least one in check deflecting element and/or between the introductory phase, can pass through one or more weft yarn of the other clamping of at least one in check deflecting element, because above-mentioned at least one in check deflecting element is inserted in the route of yarn.
In another advantageous embodiments of method, one or more weft yarn is drawn in and is used in the clamping region accepting, be clamped in the clamping region by holder, above-mentioned holder compresses toward each other and subsequently at least one in check deflecting element is inserted in the route of yarn.
In another advantageous embodiments of method, for one or more yarn is transferred on the extractor arrow shaft, at least one in check deflecting element is taken out from the route of yarn and subsequently one or more weft yarn is pulled out from be installed in the clamping region that supplies the latitude gripper head.
In addition, the present invention relates to gripper head, especially relate to for the gripper head of latitude arrow shaft or extractor arrow shaft and relate in addition and have according to one of them described Rapier looms of above-mentioned variant scheme and/or have according to the yarn folder of the described gripper head of above-mentioned explanation and/or prepare to implement according to the described method of above-mentioned explanation.
Compare with the yarn folder of prior art, according to yarn folder of the present invention, gripper head and method and in addition to have advantage according to Rapier looms of the present invention be to can be used for different weft yarn on a large scale, the weft yarn that for example has different fineness, different fabric construction or make with different materials with a kind of yarn folder.The yarn folder is applicable to the situation of wherein introducing multiple different weft yarns simultaneously.On the one hand, one or more weft yarn is not hindered or injury by controllable one or more deflecting element during batching, because between the introductory phase, these deflecting elements can be taken out from the route of yarn, and between the introductory phase one or more weft yarn in addition by the deflecting element clamping in the route that inserts yarn.If desired, can during one or more weft yarn is transferred to extractor arrow shaft, take out one or more in check deflecting elements, not pull out above-mentioned weft yarn or do not injure them so that do not hinder.If replace common in check yarn folder with automatic clamped-in style yarn folder with controllable deflecting element, then less for the cost and the complexity that drive required power of deflecting element and energy, because during driving, needn't supply or overcome clamping force.
The explanation of the foregoing description is only as example.Other advantageous embodiments can be found out from dependent claims and accompanying drawing.And in text of the present invention, illustrated and some embodiment of illustrating and each characteristics in the variant scheme can make up mutually, so that form new embodiment.
Below, with reference to embodiment and more sets forth in detail the present invention of accompanying drawing.
Description of drawings
Fig. 1 is the cutaway view of embodiment when wefting insertion begins of Rapier looms,
Fig. 2 illustrates gripper head with perspective view and has the embodiment that presss from both sides according to yarn of the present invention,
Fig. 3 is the detailed view of yarn folder among the embodiment of Fig. 2,
Fig. 3 A, 3B are the cutaway views that passes the embodiment of Fig. 2 under every kind of situation during the wefting insertion and during weft yarn batches or shifts,
Fig. 4 is the detailed view according to second embodiment of yarn folder of the present invention,
Fig. 4 A, 4B are the cutaway views that passes the embodiment of Fig. 4 under every kind of situation during the wefting insertion and during weft yarn batches or shifts.
The specific embodiment
Fig. 1 illustrates the cutaway view that the embodiment of Rapier looms 20 begins to locate at wefting insertion.In this embodiment, Rapier looms comprises: for latitude arrow shaft, described have a gripper head 10 for latitude arrow shaft; Many weft yarns 2,2 ', 2 ", 2 " ', described many weft yarns 2,2 ', 2 ", 2 " ' go out from unshowned yarn storage device tractive; Warp yarn 21; Color selector 23, described color selector 23 have a plurality of yarn extracting device 23a, are used for inserting so that one or more weft yarn 2 is submitted to confession latitude arrow shaft; With reed 24, described reed 24 is used for beating up for the weft yarn that inserts at slay (beat-up) or fabric edge place.The shed open 22 that warp yarn 21 forms between reed 24 and the slay edge, one or more weft yarn 2 is introduced in the above-mentioned shed open 22.Gripper head 10 comprises yarn folder 1, so as between the introductory phase one or more weft yarn 2 of clamping securely.If desired, the Rapier looms of this embodiment can have among other Fig. 1 unshowned parts such as extractor arrow shaft, shed open forms part, transmission device and/or control device.
Fig. 2 illustrates the embodiment of gripper head 10 with perspective view, and described gripper head 10 has the yarn folder that is used for firm grip weft yarn 2 according to of the present invention.The yarn folder of this embodiment comprises first and second holders 3,4, and described first and second holders 3,4 can compress among the 4a toward each other at clamping region 3a, so that one or more weft yarn of clamping.In addition, at yarn folder place one or more deflecting elements 7 are set, so that make one or more yarn parallel 2 deflections and increase chucking power, at least one deflecting element 7 can be controlled simultaneously.First and second holders 3,4 and at least one deflecting element 7 can randomly form lever arm, and described lever arm can be around rotating shaft 5 rotations.If desired, gripper head 10 can comprise under lower part 11, upper part 12 and the every kind of situation lateral parts 14 on one or both sides.If consideration relates to the details of the structure of yarn folder, then referring to following Fig. 3,3A, 3B, 4,4A, the explanation of detailed view among the 4B.
Fig. 3 illustrates the detailed view of the yarn folder of Fig. 2 embodiment, and Fig. 3 A and 3B respectively are illustrated in during the wefting insertion and weft yarn passes the cutaway view of the embodiment of Fig. 2 during batching or shifting.The yarn folder 1 of this embodiment comprises first and second holders 3,4, and described first and second holders 3,4 can compress among the 4a toward each other at clamping region 3a, so that one or more weft yarn 2 of clamping.In addition, at yarn folder place one or more deflecting elements 7 are set, so that make one or more yarn 2 deflections and increase chucking power, at least one deflecting element 7 can be controlled simultaneously.
In order to drive, at least one deflecting element 7 can be equipped with its executive component if desired, so that drive deflecting element, especially drives this deflecting element and two supporters 3,4 separately, and the executive component of at least one deflecting element for example can be made magnetic or piezoelectric-actuator simultaneously.Yet other suitable executive component also can use, and it is that non-contact type driving deflecting element is feasible that while magnetic executive component has advantage.Executive component can for example comprise electromagnet 8, the magnetisable parts collaborative work of described electromagnet 8 and deflecting element 7.Yet, the magnetic executive component also can comprise magnetisable part, for example as ferromagnetic component or permanent magnet 8, described magnetisable parts are connected on the deflecting element 7, and with another magnetisable parts collaborative work, above-mentioned another magnetisable parts can be installed in the outside of gripper head, for example are installed in the arrow shaft tape guide of Rapier looms.If desired, another magnetisable parts can be designed to permanent magnet or be designed to the magnetic core or the yoke of electromagnet, above-mentioned another magnetisable parts-if desired-be installed in the arrow shaft tape guide.Because the executive component of deflecting element 7 oneself, so, can drive and/or control at least one deflecting element when one or more weft yarn being clamped in yarn when pressing from both sides in 1.
In a favourable variant scheme, at least one deflecting element 7 forms lever arm or is installed on the lever arm.Therefore, first and second holders 3,4 and at least one deflecting element 7 all randomly can be made a lever arm in each case, for example as shown in Figure 3, make the lever arm of two arm-type levers that can pivot around its rotating shaft 5.
In another favourable variant scheme, two holders 3,4 can be designed to automatic clamping device and/or passive clamping device.Therefore, for example can be in each case with first and second holders 3,4 and at least one deflecting element is made flexible or their elasticity axle journals are engaged or they are applied spring force, so that holder is compressed toward each other and/or make deflecting element remain in assigned position, for example being in one or more weft yarn wherein can deflection or the deflecting element route position freely that makes yarn wherein.Second holder 4 for example as shown in Figure 3 normally the pressure effect by spring 6.1 so that holder is compressed toward each other, and/or for example pressure or the tension force effect by spring 6.2 of deflecting element.Yet, if desired, also can control the contact pressure of two holders 3,4, extra executive component wherein is set for this reason, so that open and/or close and/or unload and/or load the clamping region 3a of two holders, 4a.
In another favourable variant scheme, at least one deflecting element 7 is installed in the place, side of clamping region 3a, 3b shown in Fig. 3,3A and 3B.Nature also can provide a plurality of controllable deflecting elements, and described a plurality of controllable deflecting elements for example can be installed on the both sides of clamping region or randomly in clamping region and in the side place or both sides of side clamping region.
In yarn folder 1 or in the relevant gripper head, one or more uncontrollable or fixing deflecting element 12a can be set in addition, so that make one or more weft yarn deflection and randomly increase chucking power.For example, fixing deflecting element 12a can form at the upper part place of relevant gripper head, and described relevant gripper head makes the route deflection of yarn in addition.
Fig. 4 illustrates the detail drawing according to second embodiment of yarn of the present invention folder, and Fig. 4 A and 4B are illustrated in during the wefting insertion respectively and weft yarn passes the cutaway view of the embodiment of Fig. 4 during taking out or shifting.The yarn folder 1 of second embodiment comprises first and second holders 3,4, and described first and second holders 3,4 compress among the 4a toward each other at clamping region 3a, so that one or more weft yarn 2 of clamping.In addition, the place is provided with one or more deflecting elements 7 ' at the yarn folder, so that make one or more weft yarn 2 deflections and increase chucking power, at least one deflecting element 7 ' can be controlled simultaneously.
Fig. 4, second embodiment and the Fig. 3 shown in 4A and the 4B, the different of 3A and the embodiment shown in the 3B only are because the installation and the design of at least one in check deflecting element 7 '.About the structure of yarn folder and the details that may change referring to above-mentioned in conjunction with Fig. 3, the explanation of first embodiment that the explanation of 3A and 3B is illustrated.
In a second embodiment, deflecting element 7 ' is installed in the clamping region 3a of holder 3,4, and among the 4a, for example the route concentric type with yarn is installed in the clamping region.If desired, in the respective clamp part in clamping region a passage or otch can be set, at least one deflecting element 7 ' can insert in the above-mentioned clamping region, so that make one or more weft yarn deflection.Nature also can be provided with a plurality of controllable deflecting elements, described a plurality of controllable deflecting elements for example can be installed on the both sides of clamping region and randomly be installed in the clamping region and the one or both sides of next door clamping region on.
If desired, deflecting element 7 ' can be made in a longitudinal direction most of symmetry and to the small part symmetry.For this reason, can for example be designed to the caliper lever to deflecting element, described caliper lever can for example have a frame shape at the middle part, so that deflecting element can be installed on the both sides of first and/or second holder 3,4.When deflecting element 7 ' as Fig. 4, be installed in the clamping region 3a of holder shown in 4A and the 4B, in the time of near the center of 3b, the symmetry of deflecting element 7 ' or especially favourable to the design of small part symmetry.
Below, with reference to Fig. 2,3,3A, 3B, 4,4A and 4B explanation are according to the embodiment of the method for the invention.Be used to have first and second holders 3, the yarn of the gripper head that 4 Rapier looms is used presss from both sides in 1 method of operating, and two holders at clamping region 3a, are compressed among the 4a toward each other, one or more weft yarn 2 is clamped in the clamping region, with one or more deflecting elements 7,7 ', 12a are set, utilize described deflecting element 7,7 ', 12a can make one or more weft yarn 2 deflections, and can increase the chucking power of yarn folder.In addition, in order to introduce one or more weft yarn 2, correspondingly control at least one deflecting element 7,7 '.If desired, can control at least one in check deflecting element 7,7 ' to each independent wefting insertion.
In the advantageous embodiment of method, during batching and/or shift one or more weft yarn 2, as shown in Fig. 3 B and 4B, extract at least one in check deflecting element 7,7 ', and/or passing at least one in check deflecting element other one or more weft yarn of clamping between the introductory phase, wherein as Fig. 3 A and 4A as shown in the route of in check deflecting element insertion yarn.
In another advantageous embodiments of method, with at least one in check deflecting element 7,7 ' moves extractor arrow shaft to from the route of the yarn that is used to shift one or more weft yarn 2, with at last with one or more weft yarn from being installed in clamping region 3a for the latitude gripper head, pull out among the 4a.
In another advantageous embodiments of method, one or more yarn 2 extractions are used to batch clamping region 3a, among the 4a, with holder 3,4 clampings, described holder 3,4 compresses in clamping region toward each other, at last at least one in check deflecting element 7,7 ' is inserted in the route of yarn.
In addition, the present invention includes Rapier looms, described Rapier looms has according to one of them described yarn folder 1 of above-mentioned variant scheme and/or has according to described gripper head 10 of above-mentioned explanation and/or preparation to be implemented according to the described method of above-mentioned explanation.
According to the described yarn folder of above-mentioned explanation, gripper head and method, with yarn in the prior art Folder is compared, and having advantage is can press from both sides with same yarn than relative broad range to select different latitudes Yarn for example has different fineness, different fabric tissues or the latitude made from different materials Yarn. Yarn folder is applicable to that especially also one of them connects one or introduce simultaneously multiple different weft yarn The situation of line. If holder forms passive clamping device, then owing in check deflecting element, Higher chucking power be can obtain, the power of deflecting element and energy consumption be used for driven simultaneously less than usefulness In the power and the energy consumption that drive common in check yarn folder.

Claims (14)

1. yarn presss from both sides, and described yarn folder is used for gripper head (10), for the weft yarn (2 in the firm grip Rapier looms, 2 ', 2 ", 2 ' ' '); above-mentioned yarn folder (1) has first and second holders (3; 4), first and second holders (3,4) can be at clamping region (3a; compress toward each other 4a); so that one or more weft yarn of clamping reaches and wherein at above-mentioned yarn folder place one or more deflecting elements (7,7 ') is set; so that make one or more weft yarn (2,2 ', 2 ", 2 ' ' ') deflection; and increase chucking power; it is characterized in that at least one deflecting element (7,7 ') is controllable.
2. according to the described yarn of claim 1 folder, wherein executive component (8) the especially magnetic executive component of at least one deflecting element (7,7 ') with it so that drive deflecting element, especially drives deflecting element and two holders (3,4) and separates.
3. according to the described yarn folder of claim 1 or claim 2, wherein when one or more weft yarn (2,2 ', 2 ", 2 ' ' ') when being clamped in the yarn folder, can control at least one deflecting element (7,7 ').
4. according to one of them described yarn folder of claim 1-3, wherein two holders (3,4) are made automatic clamping and/or are made for passive clamping device.
5. according to one of them described yarn folder of claim 1-4, wherein at least one deflecting element (7,7 ') is made lever arm or is installed on the lever arm.
6. according to one of them described yarn folder of claim 1-5, wherein at least one deflecting element (7,7 ') be installed in clamping region (3a, 4a) in.
7. according to one of them described yarn folder of claim 1-6, wherein at least one deflecting element (7,7 ') is installed to clamping region (3a, side 4a).
8. gripper head, described gripper head have according to one of them described yarn folder (1) of aforesaid right requirement.
9. handle the method for the yarn folder (1) of the gripper head (10) that is used for Rapier looms, described yarn folder (1) has first and second holders (3,4), in said method, two holders are being compressed zone (3a, compress toward each other 4a), be clamped in one or more weft yarn in the clamping region and one or more deflecting elements (7,7 ' are set, 12a), by described deflecting element (7,7 ', 12a) make one or more weft yarn deflection, and the chucking power of increase yarn folder, it is characterized in that, control at least one deflecting element (7,7 ') and be used for introducing respectively one or more weft yarn.
10. in accordance with the method for claim 9, wherein each independent wefting insertion is all controlled at least one in check deflecting element (7,7 ').
11. according to claim 9 or the described method of claim 10, wherein batching and/or shifting one or more weft yarn (2,2 '; 2 " 2 ' ' '), extract at least one in check deflecting element (7,7 ') out, and/or wherein between the introductory phase, pass through one or more yarn of the other clamping of at least one in check deflecting element, wherein above-mentioned deflecting element is inserted in the route of yarn.
12. according to one of them described method of claim 9-11, wherein draw one or more weft yarn (2,2 '; 2 ", 2 ' ' ') be used to receive clamping region (3a, 4a) in, be clamped in the clamping region by holder (3,4), described holder (3,4) compresses toward each other, and wherein subsequently at least one in check element (7,7 ') is moved in the route of yarn.
13. according to one of them described method of claim 9-12, wherein be with one or more yarn (2,2 ', 2 "; 2 ' ' ') transfer on the extractor arrow shaft; at least one in check deflecting element (7,7 ') is extracted out from the route of yarn and after this with one or more weft yarn (2; 2 '; 2 ", 2 ' ' ') from clamping region (3a, 4a) the middle extraction out.
14. Rapier looms, described Rapier looms have according to one of them described yarn folder (1) of claim 1-7 and/or have according to the described gripper head of claim 8 (10), and/or are equipped to enforcement according to one of them described method of claim 9-13.
CNA200810213867XA 2007-09-12 2008-09-11 Thread clamp for a gripper head and method for operating the same Pending CN101387036A (en)

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EP07116269.7 2007-09-12
EP07116269 2007-09-12

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CN102459733A (en) * 2009-06-10 2012-05-16 林道尔·多尼尔有限责任公司 Device and method for introducing the weft into a gripper weaving machine
CN105220318A (en) * 2015-11-19 2016-01-06 长乐力天针纺有限公司 A kind of weaving sword head send latitude sword clamping device
CN105220318B (en) * 2015-11-19 2018-01-05 长乐力天针纺有限公司 One kind weaving sword head bringer sword clamping device
CN105506838A (en) * 2015-12-07 2016-04-20 苏州经贸职业技术学院 Rapier conveying belt guide rail device for rapier loom
CN105506838B (en) * 2015-12-07 2017-04-26 苏州经贸职业技术学院 Rapier conveying belt guide rail device for rapier loom
CN109137238A (en) * 2017-06-15 2019-01-04 意达股份公司 For crawl/release weft yarn improvement system in gripper shuttle loom
CN109137238B (en) * 2017-06-15 2021-06-25 意达股份公司 Improved system for gripping/releasing weft threads in gripper weaving machines
CN110760979A (en) * 2019-12-02 2020-02-07 朱惠忠 Rapier loom for weft yarn bundle weaving and operation method thereof

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