JP2004162228A - Electric selvage forming apparatus - Google Patents

Electric selvage forming apparatus Download PDF

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Publication number
JP2004162228A
JP2004162228A JP2002331732A JP2002331732A JP2004162228A JP 2004162228 A JP2004162228 A JP 2004162228A JP 2002331732 A JP2002331732 A JP 2002331732A JP 2002331732 A JP2002331732 A JP 2002331732A JP 2004162228 A JP2004162228 A JP 2004162228A
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JP
Japan
Prior art keywords
weft
ear
rotating member
supply side
yarn
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.)
Pending
Application number
JP2002331732A
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Japanese (ja)
Inventor
Hiroaki Hasegawa
浩章 長谷川
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.)
Tsudakoma Corp
Original Assignee
Tsudakoma Corp
Tsudakoma Industrial Co Ltd
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 Tsudakoma Corp, Tsudakoma Industrial Co Ltd filed Critical Tsudakoma Corp
Priority to JP2002331732A priority Critical patent/JP2004162228A/en
Publication of JP2004162228A publication Critical patent/JP2004162228A/en
Pending legal-status Critical Current

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Abstract

<P>PROBLEM TO BE SOLVED: To provide an electric selvage-forming apparatus giving a woven fabric having uniformized unevenness of the right and left weft ends. <P>SOLUTION: The electric selvage forming apparatus 10 has a rotatable rotary member 8 having a pair of guiding parts 14, 15 to pass at least two selvage yarns 12, 13 and a drive controller 9 to drive the rotary member 8 and control the rotation of the rotary member 8 at a prescribed reversing frequency. The rotary member 8 and the drive controller 9 are placed at each of the yarn feeding side and the side opposite to the yarn feeding side of the weft 7. The reversing frequency of the rotary member 8 is independently settable by the driving controller 9. <P>COPYRIGHT: (C)2004,JPO

Description

【0001】
【発明が属する技術分野】
本発明は、織機の電動耳組装置において、回転部材の反転周期を制御する技術に関する。
【0002】
【従来の技術】
特許第2933889号公報の技術は、ひねり耳形成装置を用いたひねり耳形成方法を開示している。そのひねり耳形成方法は、図1に示すように、2本のひねり糸(耳糸)2、3を導く2つの目孔(案内部)5、6を有する、ひねりディスク(回転部材)4を備えたひねり耳形成装置1において、ひねりディスク4を一方向に所定の回転数(速度)で回転させ、ついで、ひねりディスク4を反対方向に所定の回転数(速度)で回転させることによって、2本のひねり糸(耳糸)2、3のひねりの間で緯糸7を保持している。ひねり耳形成装置1は、緯糸7の給糸側および反給糸側に設けられるが、緯糸7の給糸側および反給糸側のひねり耳形成装置1は、2本のひねり糸(耳糸)2、3の開口に対する運動経過を、互いに無関係に制御できるようになっている。
【0003】
また、特表平11−501999号公報の技術は、プロペラ状の回転子(回転部材)に2つのからみ糸を通す腕を設けたレノ耳を形成する装置において、プロペラ状の回転子を一方向へ特定数の回転をさせた後に、プロペラ状の回転子の回転方向を反転させ、逆の回転方向へ回転することによって、からみ糸の撚りを解消できるようにしている。
【0004】
【発明が解決しようとする課題】
図2は、給糸側および反給糸側で、ひねりディスク4の反転周期をともに50ピックごとに設定して、織物25を製織した状態を示す。なお、図2において、経糸24はある一定本数ごとのみ図示してあり、緯糸7は50本ごとのみ図示してある。また、緯糸張力は、図示しない緯糸を含むすべての緯糸7に発生しているものとする。図2で、反給糸側の緯糸張力が給糸側の緯糸張力より大きいときに、給糸側および反給糸側でそれぞれ同じ50ピックの反転周期で製織すると、給糸側では、耳締まりが悪いため、緯糸端の跳ねは多くなり、また、反給糸側では、耳締まりが良いため、緯糸端の跳ねは少ない。このように、反給糸側より給糸側の方が反転時の緯糸端の跳ねが多くなる。
【0005】
上記のように、従来の技術によると、製織中に緯糸7の左右で、緯糸張力の差が生じると、緯糸張力が低い側の耳締まりが悪くなるために、緯糸端の跳ねの発生頻度が高くなる。このため、給糸側と反給糸側とで、ひねりディスク4の反転周期が同じに設定されると、緯糸張力が低い側に反転時の緯糸端の跳ねが多発するために、織物25全体の見た目のバランスが悪くなり、織物25の品質にも悪影響を与えかねないことにもなる。もともと、ひねりディスク4の反転時には、耳締まりが悪くなるため、耳部分の緯糸端の跳ねつまり緯糸7の端部の不規則な屈曲による不揃いが発生しやすい。
【0006】
したがって、本発明の目的は、電動耳組装置で耳形成を行った織物の左右の緯糸端の跳ねを均一化することである。
【0007】
【課題を解決するための手段】
上記目的のもとに、本発明は、少なくとも2本の耳糸が通過する一対の案内部を有した回転可能な回転部材と、この回転部材を回転駆動しかつ回転部材の回転を所定の反転周期で制御する駆動制御装置とを、緯糸の給糸側と反給糸側とにそれぞれ備える電動耳組装置において、それぞれの前記駆動制御装置により回転部材の反転周期を互いに独立して設定可能としている。
【0008】
回転部材の反転周期は、給糸側と反給糸側とでそれぞれ異なる状態として設定でき、また、織物の種類ごとに、設定できる。
【0009】
【発明の実施の形態】
図3は、本発明の電動耳組装置10を織機23の給糸側および反給糸側に組み込んだ状態を示す。給糸側の電動耳組装置10および反給糸側の電動耳組装置10は、シート状の経糸24の給糸側および反給糸側にあって、メインノズル26より緯入れされ筬27により織物25の織り前に筬打ちされた緯糸7を2本の耳糸12、13のひねり部分で保持する。
【0010】
図4は、給糸側および反給糸側の電動耳組装置10を示す。電動耳組装置10は、回転可能な回転部材8および駆動制御装置9を備える。
【0011】
回転部材8は、2本の耳糸12、13を導く2つの目孔による案内部14、15を有している。2本の耳糸12、13は、それぞれボビン16、17から引き出され、ガイド18を経て、回転部材8の案内部14、15を通り、互いに絡みあって、緯糸7の端部を保持する。
【0012】
回転部材8は、2本の耳糸12、13のひねり運動を妨げないように、回転部材8の外周側から駆動制御装置9の内部の回転伝達手段19により駆動される。なお、回転伝達手段19は、ローラやベルトなどの回転伝達要素により構成されている。
【0013】
駆動制御装置9は、回転部材8を回転駆動し、かつ回転部材8の回転を所定の反転周期で制御するために、内部に制御器11、駆動モータ20、および入力器22を有している。駆動モータ20は、回転方向の転換、回転数(回転速度)の変更可能なモータであり、制御器11により制御される。制御器11は、入力器22に入力された設定データを記憶し、この設定データをもとに織機23の主軸21と同期した状態で、駆動モータ20の回転方向、回転回数および回転数(回転速度)を制御する。
【0014】
回転部材8の反転周期は、入力器22を操作して、制御器11に対し給糸側および反給糸側ごとに互いに独立して設定可能であり、給糸側と反給糸側とでそれぞれ異なる状態として設定でき、また、製織条件として織物の種類ごとに設定できるようになっている。
【0015】
図5は、給糸側および反給糸側で、回転部材8の反転周期を互いに異なる状態に設定して製織した場合の状態を示す。図5でも、経糸24はある一定本数ごとのみ図示してあり、緯糸7は50本ごとのみ図示してある。また、緯糸張力は、図示しない緯糸を含むすべての緯糸7に発生しているものとする。
【0016】
例えば、給糸側および反給糸側で回転部材8の反転周期をともに同じに設定して製織した場合で、反給糸側の緯糸張力が給糸側の緯糸張力より大きく、緯糸端の跳ねが給糸側に多く発生しているとき、作業員は、一度織り上がった織物25の左右の耳部分を検査して、緯糸端の跳ねが多い側を判断し、入力器21を操作して給糸側および反給糸側で回転部材8の反転周期を互いに異なる値、一例として給糸側の反転周期を200ピックごと、反給糸側の反転周期を50ピックごとに設定して、再度、製織を行う。
【0017】
このようにすると、図5のように、給糸側の反転周期が反給糸側の反転周期より長いため、給糸側で回転部材8の反転する回数が少なくなり、結果的に反転時の緯糸端の跳ねの発生を抑えることができる。緯糸端の跳ねが多い側の反転周期を長くしたことにより、以前より緯糸端の跳ねが減少し、反対側の緯糸端の跳ねと比べて均一化されるため、織物25全体を見たときに緯糸端の跳ねが目立たなくなる。これによって、織り上がった織物25全体の見た目のバランスが良くなり、織物25の品質低下を防止することができる。
【0018】
このように、回転部材8の反転周期は、給糸側と反給糸側とでそれぞれ異なる状態として設定できる。このような個別的な設定は、左右の緯糸端の跳ねのあらゆる状態に対して有効に対応できる。
【0019】
また、回転部材8の反転周期は、製織条件としての織物25の種類ごとに、設定でき、制御器11の内部の記憶エリアに記憶できる。したがって、製織する織物25を変更した場合に、織物25ごとに設定された各反転周期に即座に変更でき、しかも、同じ織機23で違う織物25を製織する場合に、いちいちそれぞれの反転周期を設定し直さなくても、あらかじめ設定された各反転周期に容易に設定変更できる。なお、回転部材8は、特表平11−501999号公報の技術のように、プロペラ状の回転子により構成することもできる。
【0020】
【発明の効果】
本発明によれば、少なくとも2本の耳糸が通過する一対の案内部を有した回転可能な回転部材と、この回転部材を回転駆動しかつ回転部材の回転を所定の反転周期で制御する駆動制御装置とを、緯糸の給糸側と反給糸側とにそれぞれ備える電動耳組装置において、それぞれの前記駆動制御装置は、回転部材の反転周期を互いに独立して設定可能としたから、作業員が一度織り上がった織物の左右の耳部分を見て緯糸端の跳ねが多い側を判断し、緯糸端の跳ねが多い側の反転周期を反対側の反転周期より長く設定することによって、以前よりも緯糸端の跳ねが減少し、反対側の緯糸端の跳ねと比べて均一化されるため、織物全体を見たときに緯糸端の跳ねが目立たなくなり、これによって織り上がった織物全体の見た目のバランスが良くなり、織物の品質低下を防止することができる。
【0021】
また、回転部材の反転周期は、給糸側と反給糸側とでそれぞれ異なる状態として設定できるから、左右の緯糸端の跳ねのあらゆる状態に対して適切な対応が可能となる。
【0022】
さらに、回転部材の反転周期は、織物の種類ごとに、設定し、記憶・保存にできるから、製織する織物を変更した場合に、いちいちそれぞれの反転周期を設定し直さなくても、織物ごとに設定された各反転周期に即座に変更できる。
【図面の簡単な説明】
【図1】従来のひねり耳形成装置の側面図である。
【図2】従来のひねり耳形成装置による耳形成過程の説明図である。
【図3】本発明の電動耳組装置の組み付け状態の平面図である。
【図4】本発明の電動耳組装置の側面図である。
【図5】本発明の電動耳組装置による耳形成過程の説明図である。
【符号の説明】
1 ひねり耳形成装置
2 ひねり糸
3 ひねり糸
4 ひねりディスク
5 目孔
6 目孔
7 緯糸
8 回転部材
9 駆動制御装置
10 電動耳組装置
11 制御器
12 耳糸
13 耳糸
14 案内部
15 案内部
16 ボビン
17 ボビン
18 ガイド
19 回転伝達手段
20 駆動モータ
21 織機の主軸
22 入力器
23 織機
24 経糸
25 織物
26 メインノズル
27 筬
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a technique for controlling an inversion cycle of a rotating member in an electric ear assembly device of a loom.
[0002]
[Prior art]
Japanese Patent No. 2933889 discloses a twist ear forming method using a twist ear forming apparatus. As shown in FIG. 1, the twist ear forming method includes a twist disk (rotating member) 4 having two eye holes (guide portions) 5 and 6 for guiding two twist yarns (ear yarns) 2 and 3. In the twisting ear forming apparatus 1 provided, the twist disk 4 is rotated in one direction at a predetermined rotation speed (speed), and then the twist disk 4 is rotated in the opposite direction at a predetermined rotation speed (speed), whereby The weft 7 is held between the twists of the book twist threads (ear threads) 2 and 3. The twist ear forming device 1 is provided on the yarn supply side and the counter yarn supply side of the weft 7, but the twist ear forming device 1 on the yarn supply side and the counter yarn supply side of the weft 7 has two twist yarns (ear yarns). 2.) The course of movement for a few openings can be controlled independently of one another.
[0003]
Further, the technique disclosed in Japanese Patent Application Laid-Open No. 11-501999 discloses a device for forming a Leno ear in which a propeller-shaped rotor (rotating member) is provided with an arm through which two twine threads are passed. After a specific number of rotations, the direction of rotation of the propeller-shaped rotor is reversed, and by rotating in the opposite direction, twisting of the twine yarn can be eliminated.
[0004]
[Problems to be solved by the invention]
FIG. 2 shows a state in which the woven fabric 25 is woven by setting the reversal cycle of the twist disk 4 at every 50 picks on the yarn supply side and the non-yarn supply side. 2, only a certain number of warp yarns 24 are shown and only 50 of the weft yarns 7 are shown. Further, it is assumed that the weft tension is generated in all the wefts 7 including the weft not shown. In FIG. 2, when the weft tension on the non-supply side is larger than the weft tension on the supply side, weaving is performed at the same reversal cycle of 50 picks on the supply side and the non-supply side, respectively. Is poor, so that the weft ends bounce more. On the non-supply side, the ear tightness is good, so that the weft ends bounce less. As described above, the weft end bouncing at the time of reversal is greater on the yarn supplying side than on the non-yarn supplying side.
[0005]
As described above, according to the conventional technology, when a difference in the weft tension occurs between the left and right sides of the weft 7 during weaving, the ear tightness on the side where the weft tension is low deteriorates. Get higher. For this reason, if the reversal cycle of the twist disk 4 is set to be the same on the yarn supplying side and the non-yarn supplying side, the weft ends frequently bounce during reversal on the side where the weft tension is low, so that the entire fabric 25 Of the woven fabric 25 may be adversely affected, and the quality of the fabric 25 may be adversely affected. Originally, when the twist disk 4 is turned over, the tightness of the ear is deteriorated, so that the weft end of the ear portion, that is, irregularity due to the irregular bending of the end of the weft 7 is likely to occur.
[0006]
Therefore, an object of the present invention is to make the right and left weft ends of a woven fabric subjected to ear formation by an electric ear assembly device uniform.
[0007]
[Means for Solving the Problems]
To achieve the above object, the present invention provides a rotatable rotating member having a pair of guide portions through which at least two ear threads pass, a rotating member for rotating the rotating member, and a predetermined reversal of the rotation of the rotating member. A drive control device that controls the cycle, in an electric ear assembly device that is provided on each of the weft supply side and the non-supply side, in each of the drive control devices, the reversal period of the rotating member can be set independently of each other. I have.
[0008]
The reversal cycle of the rotating member can be set as different states on the yarn supply side and the counter yarn supply side, respectively, and can be set for each type of fabric.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
FIG. 3 shows a state in which the electric ear assembling device 10 of the present invention is installed on the yarn feeding side and the non-yarn feeding side of the loom 23. The electric ear assembly device 10 on the yarn supply side and the electric ear assembly device 10 on the non-yarn supply side are located on the yarn supply side and the non-yarn supply side of the sheet-like warp 24, and are weft-inserted from the main nozzle 26 to form a reed 27. The weft 7 beaten before the weaving of the fabric 25 is held by the twisted portions of the two ears 12 and 13.
[0010]
FIG. 4 shows the electric ear assembly device 10 on the yarn supplying side and the non-yarn supplying side. The electric ear assembly device 10 includes a rotatable rotating member 8 and a drive control device 9.
[0011]
The rotating member 8 has guide portions 14 and 15 with two eye holes for guiding the two ear threads 12 and 13. The two ear yarns 12 and 13 are pulled out from the bobbins 16 and 17, respectively, pass through the guides 18, pass through the guide portions 14 and 15 of the rotating member 8, are entangled with each other, and hold the end of the weft yarn 7.
[0012]
The rotation member 8 is driven by rotation transmission means 19 inside the drive control device 9 from the outer peripheral side of the rotation member 8 so as not to hinder the twist movement of the two ear threads 12 and 13. The rotation transmitting means 19 is constituted by a rotation transmitting element such as a roller or a belt.
[0013]
The drive control device 9 internally has a controller 11, a drive motor 20, and an input device 22 in order to rotationally drive the rotating member 8 and control the rotation of the rotating member 8 at a predetermined reversal cycle. . The drive motor 20 is a motor whose rotation direction can be changed and whose rotation speed (rotation speed) can be changed, and is controlled by the controller 11. The controller 11 stores the setting data input to the input device 22, and based on the setting data, synchronizes with the main shaft 21 of the loom 23, and rotates the rotation direction, the number of rotations, and the number of rotations of the drive motor 20. Speed).
[0014]
The reversal cycle of the rotating member 8 can be set independently for each of the yarn supply side and the non-yarn supply side with respect to the controller 11 by operating the input device 22. Each can be set as a different state, and the weaving conditions can be set for each type of fabric.
[0015]
FIG. 5 shows a state in which weaving is performed by setting the reversal periods of the rotating member 8 to different states on the yarn supply side and the non-yarn supply side. Also in FIG. 5, only the warp 24 is shown for every certain number, and the weft 7 is shown only for every 50. Further, it is assumed that the weft tension is generated in all the wefts 7 including the weft not shown.
[0016]
For example, when weaving is performed with the reversal period of the rotating member 8 set to be the same on both the yarn supplying side and the non-yarn supplying side, the weft tension on the non-yarn supplying side is larger than the weft tension on the yarn supplying side, and the weft end bouncing occurs. When a lot of yarns are generated on the yarn feeding side, the worker inspects the left and right ear portions of the woven fabric 25 once woven, determines the side where the weft end has much bounce, and operates the input device 21 to operate. The reversal cycle of the rotating member 8 is set to a different value on the yarn supply side and the non-yarn supply side, for example, the reversal cycle on the yarn supply side is set every 200 picks, and the reversal cycle on the non-yarn supply side is set every 50 picks. And weaving.
[0017]
In this case, as shown in FIG. 5, since the reversal cycle on the yarn supplying side is longer than the reversal cycle on the non-yarn supplying side, the number of reversals of the rotating member 8 on the yarn supplying side is reduced. The occurrence of bouncing of the weft end can be suppressed. By increasing the reversal period on the side where the weft end has many bounces, the bounce of the weft end is reduced as compared to before, so that it is uniform compared to the bounce of the weft end on the opposite side. The weft end bouncing is less noticeable. Thereby, the appearance balance of the whole woven fabric 25 is improved, and the quality of the woven fabric 25 can be prevented from deteriorating.
[0018]
Thus, the reversal cycle of the rotating member 8 can be set to be different between the yarn supply side and the non-yarn supply side. Such individual settings can effectively cope with any state of bouncing of the left and right weft ends.
[0019]
Further, the inversion cycle of the rotating member 8 can be set for each type of the fabric 25 as the weaving condition, and can be stored in a storage area inside the controller 11. Therefore, when the fabric 25 to be woven is changed, it can be immediately changed to each reversal cycle set for each of the fabrics 25, and when weaving a different fabric 25 on the same loom 23, each reversal cycle is set. The setting can be easily changed to each preset inversion cycle without re-setting. In addition, the rotating member 8 can also be comprised by the rotor of a propeller shape like the technique of Unexamined-Japanese-Patent No. 11-501999.
[0020]
【The invention's effect】
According to the present invention, a rotatable rotating member having a pair of guide portions through which at least two ear threads pass, and a drive for rotating the rotating member and controlling the rotation of the rotating member at a predetermined reversal cycle In the electric ear assembly device including a control device on each of the weft supply side and the non-yarn supply side, each of the drive control devices enables the reversal period of the rotating member to be set independently of each other. By looking at the left and right ears of the woven fabric once woven and determining the side with the most weft end bouncing, by setting the reversal cycle of the side with the most weft end bouncing longer than the reversing cycle on the opposite side, The bouncing of the weft ends is reduced compared to the bouncing of the weft ends on the opposite side, so that the bouncing of the weft ends is less noticeable when looking at the entire woven fabric. The balance of It is possible to prevent deterioration in the quality of the object.
[0021]
In addition, since the reversal cycle of the rotating member can be set to be different between the yarn supply side and the non-yarn supply side, it is possible to appropriately cope with any state of the left and right weft end bouncing.
[0022]
Furthermore, since the reversal cycle of the rotating member can be set and stored / stored for each type of fabric, when the fabric to be woven is changed, it is not necessary to set the reversal cycle for each fabric, but for each fabric. It can be changed immediately to each set inversion cycle.
[Brief description of the drawings]
FIG. 1 is a side view of a conventional twist ear forming device.
FIG. 2 is an explanatory diagram of an ear forming process by a conventional twist ear forming apparatus.
FIG. 3 is a plan view showing an assembled state of the electric ear assembly device of the present invention.
FIG. 4 is a side view of the electric ear assembly device of the present invention.
FIG. 5 is an explanatory diagram of an ear formation process by the electric ear assembly device of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Twist ear forming device 2 Twist thread 3 Twist thread 4 Twist disk 5 Eye hole 6 Eye hole 7 Weft 8 Rotary member 9 Drive control device 10 Electric ear assembly device 11 Controller 12 Ear thread 13 Ear thread 14 Guide part 15 Guide part 16 Bobbin 17 bobbin 18 guide 19 rotation transmitting means 20 drive motor 21 main shaft 22 of loom input device 23 loom 24 warp 25 fabric 26 main nozzle 27 reed

Claims (3)

少なくとも2本の耳糸が通過する一対の案内部を有した回転可能な回転部材と、この回転部材を回転駆動しかつ回転部材の回転を所定の反転周期で制御する駆動制御装置とを、緯糸の給糸側と反給糸側とにそれぞれ備える電動耳形成装置において、
それぞれの前記駆動制御装置は、回転部材の反転周期を互いに独立して設定可能としたことを特徴とする電動耳形成装置。
A rotatable rotary member having a pair of guide portions through which at least two ear yarns pass; and a drive control device for driving the rotary member to rotate and controlling the rotation of the rotary member at a predetermined reversal cycle. In the electric ear forming device provided on each of the yarn supply side and the counter yarn supply side,
Each of the drive control devices is capable of setting a reversal cycle of the rotating member independently of each other.
回転部材の反転周期は、給糸側と反給糸側とでそれぞれ異なる状態として設定できることを特徴とする請求項1記載の電動耳形成装置。The electric ear forming device according to claim 1, wherein the reversal period of the rotating member can be set to be different from each other between the yarn supplying side and the non-yarn supplying side. 回転部材の反転周期は、織物の種類ごとに、設定できることを特徴とする請求項1または2記載の電動耳組装置。The electric ear assembly device according to claim 1 or 2, wherein the inversion cycle of the rotating member can be set for each type of fabric.
JP2002331732A 2002-11-15 2002-11-15 Electric selvage forming apparatus Pending JP2004162228A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002331732A JP2004162228A (en) 2002-11-15 2002-11-15 Electric selvage forming apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002331732A JP2004162228A (en) 2002-11-15 2002-11-15 Electric selvage forming apparatus

Publications (1)

Publication Number Publication Date
JP2004162228A true JP2004162228A (en) 2004-06-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002331732A Pending JP2004162228A (en) 2002-11-15 2002-11-15 Electric selvage forming apparatus

Country Status (1)

Country Link
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