JP2010106379A - Cylindrical woven fabric and method for producing the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cylindrical woven fabric 1 making a guide cord slightly longer than the cylindrical woven fabric 1 penetrate a vertically opened double-woven part 2 formed in the cylindrical woven fabric 1 to enable a tape to be easily connected to the guide cord. <P>SOLUTION: The cylindrical woven fabric 1 is woven by opening a plurality of warp yarns 5 in a prescribed order while adding tension to the warp yarns 5, and interweaving weft yarns 6 in the opening, and simultaneously the vertically opened double-woven part 2 extending in the length direction of the cylindrical woven fabric 1 is formed. The guide cord 7 fed with the warp yarn 5 is inserted into the vertically opened double-woven part 2 without extending the guide cord 7, and the resultant cylindrical woven fabric 1 thus woven is shrunk in the length direction by releasing the tension of the woven cylindrical woven fabric 1. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention is a woven fabric woven in a cylindrical shape, a longitudinal sack weaving portion extending in the length direction is formed in a part of the circumferential direction, and a tubular shape formed by inserting a guide cable into the vertical sack weaving portion The present invention relates to a woven fabric and a manufacturing method thereof.

  In general, a hose used as a fire hose or the like has a rubber or synthetic resin lining on the inner surface of a jacket made of a tubular fabric. And especially in a fire hose, for communication between a fire engine and a tube tip, as shown in JP-A-8-322959 and JP-A-2003-225319, a communication line is placed along the jacket. Has been done.

  On the other hand, the applicant applies a hermetic treatment to a tubular fabric in which elastic warp yarns and weft yarns are woven into a cylindrical shape as an air column of a tent, and a tape as an extension suppressing means on a part of the circumferential direction of the cylindrical fabric. When the fluid pressure is applied to the inside, the tubular woven fabric stretches, and the portion where the tape is attached is restrained from being stretched and invented to bend in an arch shape, as Japanese Patent Application No. 2008-42436, etc. Patent application.

  However, in these things, it is difficult to fix a communication line or a tape with respect to a cylindrical fabric. If it is fixed to the inner surface of the tubular woven fabric, the internal flow path becomes narrow, and if it is fixed to the outer side, it is easily damaged by external force. If the communication line is damaged, communication may be interrupted. If the tape is damaged, the communication line is broken and the expansion of the tubular fabric cannot be suppressed.

  In addition, it is difficult to firmly fix the communication line or tape to the tubular fabric. The tape can be sewn, but it is not easy to sew the wall of the cylindrical member, and the communication line cannot be sewn itself.

  It can also be done by means such as bonding, but it is easy to peel off while being rolled or stretched every time it is used or stored, and it is easy to cut when the communication line in the fire hose is peeled off from the tubular fabric, Moreover, if the tape in the air column of the tent is peeled off from the tubular fabric, the elongation of the tubular fabric cannot be appropriately suppressed.

  Therefore, in the air column of the tent, a vertical opening bag weaving portion is formed in a part of the cylindrical fabric in the circumferential direction, and the communication wire or tape is inserted into the vertical opening bag weaving portion, so that the communication line or tape is securely tubed. It was found to be fixed to the woven fabric.

  FIG. 1 shows an example thereof, and a vertical sack weaving portion 2 extending in the length direction is formed in a part of the circumferential direction of the tubular fabric 1, and the longitudinal sack weaving portion 2 extends over the entire length thereof. The communication line 3 is inserted. FIG. 2 shows another example, in which a tape 4 is inserted into the vertical opening bag weaving portion 2.

  In these examples, when a pressure fluid is fed into the tubular fabric 1 and an internal pressure is applied, the tubular fabric 1 swells in a cylindrical shape as a whole and the vertical sack weaving portion 2 is flattened by the internal pressure, The communication line 3 and the tape 4 inserted through are closely attached to the inner surface of the vertical mouth pouch weaving portion 2 and securely fixed without shifting.

  However, the formation of the vertical sack weaving portion 2 in the tubular woven fabric 1 can be easily performed by designing the woven structure in the normal fabric structure. However, in the long tubular woven fabric 1, It is not always easy to insert the communication line 3 or the tape 4 into the cable. In the following description, it will be described that the tape 4 is inserted into the vertical sack weaving portion 2, but the situation is exactly the same in the communication line 3 unless otherwise specified.

  When weaving a tubular woven fabric, it is impossible to directly weave the tape 4 having a considerable width into the vertical opening bag weaving portion 2 because of the structure of the loom. Although the communication line 3 is thinner than the tape 4, it is still much thicker and more rigid than the warp yarn constituting the tubular fabric 1, and it is extremely difficult to handle and weave it like a warp yarn in a loom.

  Therefore, when weaving, a thin guide line is supplied with the warp and woven so as to be inserted into the vertical sack weaving part 2, and then the tape 4 is connected to one end of the guide stake and the guide cable is passed through the vertical sack weaving part 2. The tape 4 is pulled by pulling.

  According to this method, when weaving the tubular fabric 1, the guide rope is woven with a length that matches the length of the tubular fabric 1. Therefore, at the terminal portion, the end of the guide line coincides with the end of the tubular fabric 1, and the tape 4 cannot be connected to the guide line. When the terminal of the guide line is pulled out from the vertical sack weaving portion 2 and connected to the tape 4, the terminal on the opposite side of the guide tract is drawn into the vertical sack weaving portion 2 of the tubular fabric 1, and the guide rope can be pulled. become unable.

  Such a problem does not occur if a guide rope having a length equal to or longer than the length of the tubular fabric 1 can be inserted into the vertical sack weaving portion 2, but the guide rope is supplied together with the warp of the tubular fabric 1 and is tubular. Since the fabric 1 is taken up as the weaving progresses, it is impossible to feed a guide line longer than the tubular fabric 1 woven when the tubular fabric 1 is woven.

Both ends of the tubular fabric 1 are cut by cutting the tubular fabric 1 inserted through the guide wire into a length longer than a predetermined length, and cutting only the tubular fabric 1 at a predetermined length while leaving only the guide wire at both ends. However, it is very uneconomical that the tubular fabric must be discarded in order to form the connection allowance.
JP-A-8-322959 JP 2003-225319 A

  The present invention has been made in view of such circumstances. As described above, a guide line slightly longer than the tubular fabric 1 is inserted into the vertical-mouthed pouch weave portion 2 formed in the tubular fabric 1, and the guide cord is inserted into the guide cord. An object of the present invention is to provide a cylindrical fabric 1 to which a tape can be easily connected.

  Thus, the tubular woven fabric of the present invention is a tubular woven fabric comprising a plurality of warp yarns arranged in an annular shape and weft yarns spirally woven with respect to the warp yarns. A vertical sack weaving portion extending in the length direction is formed in the portion, and a guide rope longer than the tubular woven fabric is inserted in the vertical sack weaving portion in a meandering state.

  Further, the method for manufacturing a tubular fabric of the present invention opens a plurality of warp yarns in a predetermined order while applying tension, and weaves the tubular fabric by weaving the weft yarn in the opening, A longitudinal sack weaving portion extending in the length direction is formed, and the guide cord supplied with the warp yarn is inserted into the longitudinal sack weaving portion without stretching, and then the tension of the woven tubular woven fabric is released to the length. It is characterized by contracting in the direction.

  In the method of the present invention, it is preferable to use, as the warp yarn, a yarn that is easily extended by tension. Synthetic fiber wound yarns are suitable as the yarns that are easily stretched and used as warp yarns.

  Further, in the method of the present invention, the guide cable can be inserted into the longitudinal sack weaving portion without applying a tension or while applying a tension much smaller than the tension applied to the warp yarn. .

  According to the present invention, since the tubular woven fabric is woven while applying tension to the warp yarn, the tubular woven fabric is woven in a slightly stretched state, and the guide cord woven therein is stretched without being stretched. The same length as the cylindrical fabric is inserted.

  When the tension of the tubular fabric woven in this way is released, the stretched tubular fabric contracts due to its elasticity, but the guide line inserted therein is not stretched, so the tubular fabric of the tubular fabric is not stretched. In accordance with the shrinkage, the meandering line is meandered in the vertical sack weaving portion, and a guide cord longer than the length of the tubular woven fabric is inserted into the vertical sack weaving portion.

  Therefore, when the end of the guide line is pulled out from one end of the tubular fabric, the guide line is pulled out by extending the meandering in the vertical woven portion, and the guide line is drawn into the vertical woven portion on the opposite side of the tubular fabric. There is no end.

  Therefore, a tape can be connected to the guide cable pulled out at the one end, the guide cable can be pulled out and pulled from the opposite side, and the tape can be easily drawn into the longitudinal bag weaving portion.

  The present invention will be described below with reference to the drawings. 3 and 4 show a tubular woven fabric 1 of the present invention, in which weft yarns 6 are spirally woven into a plurality of warp yarns 5 arranged in an annular shape, and a part of the circumferential direction thereof is shown. A vertical mouth pouch weaving portion 2 is formed, and a guide rope 7 is inserted into the vertical mouth pouch weaving portion 2. And the guide rope 7 is longer than the cylindrical fabric 1, and meanders in the vertical sack weaving portion 2 as shown in FIG.

  FIG. 5 shows a method of weaving the tubular woven fabric 1 with the annular loom 8 according to the method of the present invention. A plurality of warp yarns 5 are arranged radially and an opening device (not shown) provided on the outer periphery thereof. The weft yarn 6 fed out from the bobbin 10 mounted on the shuttle 9 that rotates in the opening in a predetermined order is woven into the warp yarn 5 group in a spiral manner, and the tubular fabric 1 Is woven.

  At this time, in the present invention, by setting the opening order of the warp yarns 5, the vertical sack weaving portion 2 is formed in the tubular fabric 1, and the guide rope 7 supplied from the outside together with the warp yarns 5 is the vertical sack weaving portion 2. Sent in.

  In the present invention, the warp yarn 5 is supplied in a stretched state with the tension applied thereto, and the guide rope 7 is supplied in the same length as the stretched warp yarn 5 without being stretched. The tension of the woven tubular fabric 1 is released and contracted in the length direction. As a result, the tubular woven fabric 1 contracts, but the guide rope 7 inserted into the vertical sack weaving portion 2 does not contract.

  As the warp yarn 5, it is preferable to use a yarn that is easily stretched by tension. As such a yarn, a synthetic fiber wound yarn is suitable. As the air column of the tent, a stretch warp is used as the warp 5 of the tubular fabric 1, so that the tubular fabric 1 is woven in a state where the stretch warp is extended and the guide rope 7 does not have stretch. By using a yarn, the present invention can be implemented.

  Further, the warp yarn 5 does not need to have particularly large stretchability. In particular, even if it is not a yarn characterized by stretchability, even a normal yarn can be stretched more or less if sufficient tension is applied.

  Therefore, even if it is not particularly stretchable, the tubular fabric 1 is woven in a state where the warp yarn 5 is stretched by applying a sufficiently large tension, and the guide rope 7 is not subjected to tension or is applied to the warp yarn. The present invention can be carried out by inserting it into the longitudinal sack weaving portion while applying a tension much smaller than the applied tension.

  According to the present invention, the tubular woven fabric 1 is woven in a state where the warp yarn 5 is stretched, and the guide rope 7 is supplied together with the warp yarn 5 without being stretched and inserted into the longitudinal sack weaving portion 2, and then the woven tubular shape. When the tension applied to the fabric 1 is released and contracted, only the tubular fabric 1 contracts in the length direction and the guide cable 7 does not contract. Therefore, the guide cable 7 is shown in FIG. As a result, the guide rope 7 longer than the length of the tubular woven fabric 1 is inserted into the vertical sack weaving portion 2.

  Therefore, when the end of the guide rope 7 is pulled out from the vertical sack weaving portion 2 at one end of the tubular fabric 1, the guide rope 7 can be pulled out by releasing the meandering, and at the other end of the tubular fabric 1. The guide cable 7 can be pulled out from both ends of the tubular fabric 1 without the guide cable 7 being drawn into the vertical sack weaving portion 2.

  Therefore, the tape 4 or the communication line 3 is connected to one end of the guide line 7 and pulled from the other end of the guide line 7 so that the tape 4 or the communication line 3 is easily drawn into the vertical bag weaving portion 2 and inserted therethrough. It can be done.

Perspective view of a state where a communication line is inserted through a tubular woven fabric of a fire hose A perspective view of a state where a tape is inserted into a tubular woven fabric of an air column of a tent Cross-sectional view of the tubular fabric of the present invention The perspective view of the tubular fabric of the present invention The top view of the annular loom which shows the state which manufactures the cylindrical fabric of this invention

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Cylindrical fabric 2 Longitudinal bag weaving part 5 Warp thread 6 Weft thread 7 Guide rope

Claims (5)

In the tubular fabric (1) comprising a plurality of warp yarns (5) arranged in an annular shape and a weft yarn (6) woven in a spiral with respect to the warp yarn (5), the tubular fabric (1) A longitudinal sack weaving portion (2) extending in the length direction is formed in a part of the circumferential direction, and a guide line (7) longer than the tubular woven fabric (1) is meandered in the longitudinal sack weaving portion (2). Cylindrical woven fabric characterized by being inserted The plurality of warps (5) are opened in a predetermined order while applying tension, and the weft yarn (6) is woven into the openings to weave the tubular fabric (1). Longitudinal pouch weaving portion (2) extending in the lengthwise direction is formed, and guide line (7) supplied together with warp yarn (5) is inserted into said vertical pouch pouch weaving portion (2) without stretching, and is then woven. The tubular woven fabric (1) is released from the tension and contracted in the length direction. The method for producing a tubular woven fabric according to claim 2, characterized in that a thread that is easily extended by tension is used as the warp thread (5). The method for producing a tubular woven fabric according to claim 3, wherein the warp yarn (5) is a crimped yarn of synthetic fiber. Inserting the guide rope (7) into the longitudinal sack weaving portion (2) without applying a tension or applying a tension much smaller than the tension applied to the warp (5). The method for producing a tubular woven fabric according to claim 2,

Images