CN1603496A - Filling operation nozzle of fluid jet type weaving machine - Google Patents
Filling operation nozzle of fluid jet type weaving machine Download PDFInfo
- Publication number
- CN1603496A CN1603496A CNA2004100397224A CN200410039722A CN1603496A CN 1603496 A CN1603496 A CN 1603496A CN A2004100397224 A CNA2004100397224 A CN A2004100397224A CN 200410039722 A CN200410039722 A CN 200410039722A CN 1603496 A CN1603496 A CN 1603496A
- Authority
- CN
- China
- Prior art keywords
- knitting needle
- rectification wall
- weft insertion
- leading section
- rectification
- 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
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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
- D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
- D03D47/32—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by liquid jet
-
- 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
- D03D47/125—Weft holding devices
-
- 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
- D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
- D03D47/30—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
- D03D47/3026—Air supply systems
- D03D47/306—Construction or details of parts, e.g. valves, ducts
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
- D03J1/00—Auxiliary apparatus combined with or associated with looms
- D03J1/04—Auxiliary apparatus combined with or associated with looms for treating weft
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
- Knitting Machines (AREA)
Abstract
The weft-insertion nozzle has a nozzle body and a needle having a weft-guiding hole and inserted into the nozzle body and ejects the fluid supplied between the nozzle body and the needle. The needle has a needle tip having outer diameter decreasing toward the tip side, and a plurality of straightening walls extending from the needle tip outward in radial direction are integrally attached to the outer circumference of the needle tip.
Description
Technical field
The present invention be more particularly directed to a kind of Weft insertion nozzle that is used for the fluid jet type weaving machine as water jet looms.
Upstream one side that title flows through the fluid in the Weft insertion nozzle is a rear end side, claims that downstream one side is a front.
Background technology
A kind of as this Weft insertion nozzle, known comprise nozzle body, have the weft yarn bullport that passes weft yarn and be entrenched in the knitting needle on the nozzle body and be arranged in knitting needle and nozzle body between the Weft insertion nozzle (patent documentation 1) of ring-type stabilizer.
[patent documentation 1] Japanese publication communique 2001-40551 communique
In existing technology, stabilizer has a plurality of rectification walls, and the axis (radial direction inboard) towards knitting needle extends this rectification wall from the inboard, and leaves in a circumferential direction at interval.And the medial surface of a plurality of rectification walls is towards the leading section outer peripheral face of knitting needle.
Weft insertion nozzle, between nozzle body and the knitting needle and between stabilizer and the knitting needle, form the fluid stream, with the rectifier tank that rectification is used as fluid between the rectification wall adjacent on the circumferencial direction, the fluid that makes supply flow body and function stream in rectifier tank after the rectification and weft yarn eject from front together.
For above-mentioned Weft insertion nozzle, because stabilizer has a plurality of axis direction and rectification walls of extending of radial direction towards knitting needle, and these rectification walls leave at interval in a circumferential direction, can think that therefore the rectification effect of the fluid in the rectifier tank is very high.But, because the leading section outer peripheral face of the leading section medial surface of rectification wall and knitting needle leaves at interval, so near the rectification effect that (flows through the fluid of stabilizer leading section inboard, promptly has the fluid that can control the effect of walking weft yarn effectively) the knitting needle leading section outer peripheral face is very low.
The convection cell jet weaving machine requires it to run up, and just wishes the flow rate of fluid quickening more, to shorten the picking time.But,, when it becomes the ultrahigh speed running, just be difficult to keep a stable high speed picking so near the rectification effect of the fluid the leading section outer peripheral face of knitting needle is just low because such high-velocity fluid also is the leading section outer peripheral face injection along knitting needle.The result makes the cloth defectiveness that weaves easily owing to picking is incorrect.
In the thickness that changes the used weft yarn of picking, will change one into and have the such knitting needle of weft yarn bullport that is fit to new weft yarn.But, in the Weft insertion nozzle of reality, can reserve corresponding to the size range of the knitting needle of a jet size, therefore also just be difficult to make the distance between the leading section outer peripheral face of the leading section medial surface of rectification wall and knitting needle approaching without end.
In addition, because when being replaced by the different weft yarn of thickness, all will be, even the position relation of knitting needle and rectification wall finely tuned to the position relation of knitting needle and stabilizer, so want expensive time and artificial when changing knitting needle and during the keeping Weft insertion nozzle.
Even the objective of the invention is to when loom runs up, also can improve the rectification effect of fluid.
Summary of the invention
Weft insertion nozzle of the present invention comprises: nozzle body, have the weft yarn bullport and be entrenched in knitting needle in the described nozzle body, spray the fluid that is fed between described nozzle body and the described knitting needle.Described knitting needle has the closer to the more little knitting needle leading section of front outside dimension, and a plurality of rectification walls that extend outward from described knitting needle leading section towards radial direction and described knitting needle leading section peripheral shape become one.
If the peripheral shape of a plurality of rectification walls and knitting needle leading section becomes one, then from the fluid of fluid supply source just along the bottom surface of the rectifier tank that forms by adjacent in a circumferential direction rectification wall, in other words along the outer peripheral face injection of knitting needle leading section.Therefore, improved rectification effect with the fluid of controlling the effect of walking weft yarn effectively.Consequently, carry out at loom under the situation of ultrahigh speed running, picking is also very stable, has reduced the defective of weaving cotton cloth widely, has also reduced consumption figure.
Because when changing knitting needle, the rectification wall is also changed together with knitting needle, also become easily so change the operation of knitting needle, the maintenance overhaul operation of Weft insertion nozzle etc.
And then, because can knitting needle and rectification wall is integrated, and make its configuration shape that becomes rectification effect the best, so when changing knitting needle, when the maintenance overhaul Weft insertion nozzle, needed inching to knitting needle, stabilizer has not at present just needed.Consequently, improve the positional precision of the relative knitting needle of rectification wall, and can obtain accurate Weft insertion nozzle.
And then, because be easy to make the length of rectification wall on the picking direction longer,, can form the bistable device by simple more structure so be easy to two stabilizers of arranged in series.
Described knitting needle, also comprise: be entrenched on the described nozzle body the knitting needle large-diameter portion and as then the knitting needle minor diameter part and the outside dimension knitting needle minor diameter part littler of the front of this knitting needle large-diameter portion than the diameter dimension of described knitting needle large-diameter portion, described knitting needle leading section is followed the front of described knitting needle minor diameter part.
Described rectification wall extends on the axis direction of described knitting needle, and has in a circumferential direction at interval.The front end of each rectification wall is positioned at the rear end side of the front end face of described knitting needle leading section.
Can also make at least a portion of each rectification wall, the distance from the axis of described knitting needle to the end of described nozzle body one side of described rectification wall is equal substantially with the radius size of described knitting needle large-diameter portion.
Weft insertion nozzle, can also comprise: throttle block with inner space of a part that is pressed into described knitting needle leading section, this throttle block forms as one or split with described nozzle body between the medial surface of the outer peripheral face of described knitting needle leading section and described knitting needle main body.
Described throttle block contains the axis of described knitting needle and is parallel to the vertical section of this axis, and its internal diameter size forms the closer to the big more afterbody enlarged shape of rear end side, and the rearward end inner face is circular-arc.Like this, fluid just enters the inner space sleekly from the rectifier tank between the rectification wall, and is pushed and acceleration by the outer peripheral face of inner face that forms the inner space and knitting needle leading section.
The part of described rectification wall can be positioned at described inner space.
The rearward end inner face of described throttle block and the leading section inner face of described rectification wall, at the axis that contains described knitting needle and be parallel to have on the vertical section of this axis circular-arc.Like this, can prevent that fluid from becoming sinuous flow, can make fluid enter the inner space sleekly again, further be pushed and quicken.
The degree of crook of the described circular-arc part of described throttle block and described rectification wall is basic identical, and the leading section of described rectification wall is positioned at the rearward end inboard of described throttle block.Like this, can prevent reliably that fluid from becoming sinuous flow, can make fluid enter the inner space sleekly again, further be pushed and quicken.
Described throttle block, have become one with it, for forming a plurality of second rectification walls that extend towards radial direction center one side described inner space; Described throttle block at the axis that contains described knitting needle and be parallel on the vertical section of this axis, forms its internal diameter size the closer to the big more afterbody enlarged shape of rear end side.And the rearward end inner face of the leading section inner face of the described rectification wall that described knitting needle had and the described second rectification wall at the axis that contains described knitting needle and be parallel on the vertical section of this axis, has circular-arc part; The degree of crook of the described rectification wall that described knitting needle had and the described circular-arc part of the described second rectification wall is basic identical, and the leading section of the described rectification wall that described knitting needle had is positioned at the rearward end inboard of the described second rectification wall.Like this, fluid is just by two rectification wall rectifications.
The described rectification wall that described knitting needle had is identical with the number of the described second rectification wall, and is man-to-man relation opposite face mutually.
Described knitting needle or described rectification wall are formed by the resistant material of selecting from contain pottery, supersteel, hardening stainless steel and ceramic-metallic class.
Description of drawings
Fig. 1 is the profilograph of the embodiment 1 of expression Weft insertion nozzle involved in the present invention.
Fig. 2 is the summary side elevation of the knitting needle of the Weft insertion nozzle shown in Figure 1 when the upstream is seen in picking direction downstream.
Fig. 3 is the profilograph of the embodiment 2 of expression Weft insertion nozzle involved in the present invention.
Fig. 4 is the profilograph of the embodiment 3 of expression Weft insertion nozzle involved in the present invention.
Fig. 5 is the profilograph of the embodiment 4 of expression Weft insertion nozzle involved in the present invention.
Fig. 6 is the profilograph of the embodiment 5 of expression Weft insertion nozzle involved in the present invention.
Fig. 7 is the summary side elevation of the knitting needle of the Weft insertion nozzle shown in Figure 6 when the upstream is seen in picking direction downstream.
Fig. 8 is the profilograph of variation of the throttle block (orifice) of expression Weft insertion nozzle involved in the present invention.
Among the figure: 10,60,64,72, the 80-Weft insertion nozzle, 14-nozzle body, 16-weft yarn bullport, 18-rectification wall, 20,62,70,74, the 84-knitting needle, 22, the 90-throttle block, the through hole of 24-nozzle body, 26-nozzle support portion, 28-supplies with stream, 30-knitting needle large-diameter portion, 32-knitting needle minor diameter part, 34-knitting needle leading section, the 36-retainer, 38-rectifier tank, 40-jet, the front end face (end of downstream side) of 42-rectification wall, the front end of 44-knitting needle leading section, the rear end face (upstream-side-end) of 46-rectification wall, 48-ring-type stream, the front end face of 50-knitting needle large-diameter portion, the outer peripheral face of 51-knitting needle minor diameter part, 54-O shape ring, the inner space of 56-throttle block, the outer peripheral face of 58-knitting needle leading section, 66, the wedge-shaped part of 68-rectification wall, 76,78-arc sections, 82-circumference parts, the 92-second rectification wall, 94-second rectifier tank.
The specific embodiment
(embodiment 1)
As shown in Figures 1 and 2, Weft insertion nozzle 10 is used to weft yarn 12 is inserted on the fluid jet type weaving machine (not shown) in the Warp opening.
The main part of nozzle body 14 is roughly cylindric, and nozzle body 14 has the through hole 24 that connects this main part along axis direction coaxially.
Through hole 24 is the bore region of radius r 1 at the middle section of broad, and the front end area in its left side is the little bore region of radius ratio r1, and the back-end region on the middle section right side is the big screwed hole of radius ratio r1.
Knitting needle 20 has: be knitting needle large-diameter portion 30, knitting needle minor diameter part 32 and the knitting needle leading section 34 of one; Knitting needle large-diameter portion 30 is entrenched in the through hole 24; Knitting needle minor diameter part 32 is coaxial and form as one with front; Knitting needle leading section 34 is coaxial and form as one with front.
The radius size of knitting needle large-diameter portion 30 is r2, and the radius size r1 of the through hole 24 of making peace greatly in the whole length range of r2 on axis direction equates.
Diameter dimension in the whole length range of knitting needle minor diameter part 32 on axis direction, little than knitting needle large-diameter portion 30, and diameter everywhere is equal substantially.
The diameter dimension of knitting needle leading section 34 is littler than the diameter dimension of knitting needle minor diameter part 32, and reduces gradually continuously towards front end.
Knitting needle 20 by being screwed on retainer 36 in the screw of nozzle body 14 from spraying the opposite side (rear end side) of a side with fluid, is mounted to the state that can remove from nozzle body 14 at knitting needle large-diameter portion 30.
A plurality of blades (fin), be rectification wall 18, around the axis of knitting needle leading section 34, extend along axis direction at interval, form as one along state and the knitting needle leading section 34 that radial direction extends outwardly with outer peripheral face 58 simultaneously from knitting needle leading section 34 with equal angles.
Between the adjacent in a circumferential direction rectification wall 18, be set at the rectifier tank 38 that convection cell carries out rectification.Each rectifier tank 38, its bottom land become axis one side of knitting needle leading section 34, so each rectifier tank 38 is towards fore-and-aft direction both sides and outer side opening Monday.
The radius that throttle block 22 is entrenched in through hole 24 is the leading section of the middle section of r1.Some is outstanding towards the downstream from the jet 40 of throttle block 22 for the front of knitting needle leading section 34.Rectification wall 18 is positioned at the rear end side of throttle block 22.
Each rectification wall 18, whole length areas on the axis direction of knitting needle 20, the distance from the axis of knitting needle 20 to the radial direction outboard end equate with the radius size r1 of knitting needle large-diameter portion 30 basically.Therefore, the inner face of each rectification wall 18 relative through hole 24 only has small slit.
The front end face of rectification wall 18 (end of downstream side) 42 is positioned at the rear end side of the front end 44 of knitting needle leading section 34.The rear end face of rectification wall 18 (upstream-side-end) 46 is positioned near the boundary of knitting needle leading section 34 and knitting needle minor diameter part 32.
The front end face 50 of knitting needle minor diameter part 32 and knitting needle large-diameter portion 30 and the rear end face 46 of rectification wall 18 form together along circumferentially open ring-type stream 48.Ring-type stream 48 leads to supplies with stream 28, also leads to rectifier tank 38.Interface between the outer peripheral face of the rear end face 46 of rectification wall 18 and the front end face 50 of knitting needle large-diameter portion 30 and knitting needle minor diameter part 32 (groove bottom of ring-type stream 48) 52 is divided into the semicircle arcuation.
Knitting needle large-diameter portion 30 is formed with groove on its circumferencial direction, O shape ring 54 is installed in this groove.For preventing that fluid from spilling from supplying with stream 28, O shape ring 54 is blocked nozzle body 14 and knitting needle 20, carries out water-stop.
The inner space 56 of throttle block 22, on the longitudinal profile of the axis that comprises knitting needle 20 and the vertical section parallel with the axis of knitting needle, have the interior shape that its internal diameter size enlarges the closer to the big more afterbody of rear end side, and be arcuation near the boundary of rear end face and inner face.
The picking fluid, be directed to the ring-type stream 48 of nozzle body 14 via the supply stream 28 of nozzle support portion 26 from the pressure fluid supply source, again from the rectifier tank 38 of ring-type stream 48, again between the inner peripheral surface of outer peripheral face 58 by knitting needle leading section 34 and throttle block 22, eject from jet 40 by 18 on adjacent rectification wall.
Fluid along rectifier tank 38 injections, by the outer circumferential side that is located at knitting needle leading section 34 and and nozzle body 14 be extruded and quicken for the throttle block 22 of split, the jet 40 that forms from the medial surface by the outer peripheral face 58 of knitting needle leading section 34 and throttle block 22 ejects again.At this moment, fluid is walked in Warp opening by weft yarn 12.
Because Weft insertion nozzle 10 makes a plurality of rectification walls 18 form as one with it in knitting needle leading section 34 peripheries, so from the fluid of pressure fluid supply source, just along the groove bottom of the rectifier tank 38 that forms by adjacent in a circumferential direction rectification wall 18, in other words the outer peripheral face 58 along knitting needle leading section 34 ejects.Therefore, improved rectification effect with the fluid of controlling the effect of walking weft yarn effectively.Consequently, even carry out at loom under the situation of ultrahigh speed running, picking is also very stable, and the defective of weaving cotton cloth reduces widely, and consumption also reduces.
At nozzle is under the situation of Weft insertion nozzle 10, when changing knitting needle 20, also changes rectification wall 18 simultaneously with knitting needle 20, also just all has been easy to so change the operation of knitting needle 20, the maintenance overhaul operation of Weft insertion nozzle 10 etc.
According to Weft insertion nozzle 10, because can knitting needle 20 and rectification wall 18 is integrated, make its configuration that becomes rectification effect the best and shape, so when changing knitting needle 20, when maintenance overhaul Weft insertion nozzle 10, needed inching to knitting needle, stabilizer has not at present just needed.Consequently, improve the positional precision of rectification wall 18 relative knitting needles 20, can obtain accurate Weft insertion nozzle 10.
According to Weft insertion nozzle 10, because be easy to strengthen the length of rectification wall 18 on the picking direction, thus be easy to two stabilizers of arranged in series, promptly, can form the bistable device by simple more structure.
(embodiment 2)
As shown in Figure 3, Weft insertion nozzle 60 has knitting needle 62 and replaces knitting needle shown in Figure 1 20, and the rear end face 46 of rectification wall 18 is positioned at the downstream of the boundary of knitting needle minor diameter part 32 and knitting needle leading section 34.
(embodiment 3)
As shown in Figure 4, Weft insertion nozzle 64 has knitting needle 70 and replaces knitting needle shown in Figure 1 20, and this knitting needle 70 has the wedge-shaped part 66 and 68 that the rear end face 46 of the rectification wall 18 in through hole 24 1 sides of nozzle body 14 and front end face 42 are made wedge shape.
(embodiment 4)
As shown in Figure 5, Weft insertion nozzle 72 has knitting needle 74 and replaces knitting needle shown in Figure 1 20, and this knitting needle 74 extends in the inner space 56 of throttle block 22 front of the rectification wall 18 that is formed on knitting needle leading section 34.
The rearward end of the leading section of rectification wall 18 and throttle block 22 has mutual subtend respectively, simultaneously has the arc sections 76 and 78 of radius of curvature about equally again.Arc sections 76 and 78 is formed: on the vertical section of the axis that comprises knitting needle 20 and the vertical section parallel with the axis of knitting needle 20, the shape of the big more afterbody expansion the closer to the rear.
(embodiment 5)
As Figure 6 and Figure 7, Weft insertion nozzle 80 has knitting needle 84 and replaces knitting needle shown in Figure 1 20, and this knitting needle 84 makes the end of the adjacent rectification wall 18 of through hole 24 1 sides form as one with the circumference parts 82 that extend along the circumferencial direction of through hole 24.
(other embodiment)
As shown in Figure 8, as throttle block 90, also can make the second rectification wall 92 be formed on the inboard of throttle block 90, this second rectification wall 92 is a knitting needle 20 shown in Figure 1 relatively, a plurality of second blades that extend towards axis direction with the equal angles compartment of terrain around the axis direction of Weft insertion nozzle 10.Because do like this, between the adjacent second rectification wall 92, just play on the circumferencial direction as 94 effects of second rectifier tank, so fluid can be reliably by the in addition rectification of the rectification wall 92 of knitting needle 20 and throttle block 90.
Can also make the number of rectification wall 92 of throttle block 90 and knitting needle 20 rectification wall 18 number as many, the rectification wall 92 of throttle block 90 is arranged on such position, so that make the rectification wall 18 of itself and knitting needle 20 become man-to-man relation, and opposite mutually.
In addition, in Fig. 8, the second rectification wall 92 is formed on the part of throttle block 90 axis directions, and moreover, the second rectification wall 92 also can be formed on the whole zone.
The present invention is not limited to the foregoing description, does not break away from above-mentioned order, also can make various distortion.
Claims (14)
1. the Weft insertion nozzle of a fluid jet type weaving machine comprises: nozzle body, have the weft yarn bullport and be entrenched in knitting needle in the described nozzle body, spray the fluid that is fed between described nozzle body and the described knitting needle, it is characterized in that:
Described knitting needle has the closer to the more little knitting needle leading section of front outside dimension, and a plurality of rectification walls that extend outward from described knitting needle leading section towards radial direction and described knitting needle leading section peripheral shape become one.
2. Weft insertion nozzle according to claim 1, it is characterized in that: described knitting needle, also comprise: be entrenched on the described nozzle body the knitting needle large-diameter portion and as then the knitting needle minor diameter part and the outside dimension knitting needle minor diameter part littler of the front of this knitting needle large-diameter portion than the diameter dimension of described knitting needle large-diameter portion, described knitting needle leading section is followed the front of described knitting needle minor diameter part.
3. Weft insertion nozzle according to claim 1 and 2 is characterized in that: described rectification wall extends on the axis direction of described knitting needle, and has in a circumferential direction at interval.
4. Weft insertion nozzle according to claim 1 and 2 is characterized in that: the front end of each rectification wall is positioned at the rear end side of the front end face of described knitting needle leading section.
5. according to any described Weft insertion nozzle in the claim 1～4, it is characterized in that: at least a portion of each rectification wall, the distance from the axis of described knitting needle to the end of described nozzle body one side of described rectification wall is equal substantially with the radius size of described knitting needle large-diameter portion.
6. according to any described Weft insertion nozzle in the claim 1～5, it is characterized in that: also comprise: throttle block with inner space of a part that is pressed into described knitting needle leading section, this throttle block forms as one or split with described nozzle body between the medial surface of the outer peripheral face of described knitting needle leading section and described knitting needle main body.
7. Weft insertion nozzle according to claim 6, it is characterized in that: described throttle block, contain the axis of described knitting needle and be parallel to the vertical section of this axis, its internal diameter size forms the closer to the big more afterbody enlarged shape of rear end side, and the rearward end inner face is circular-arc.
8. according to claim 6 or 7 described Weft insertion nozzles, it is characterized in that: the part of each rectification wall is positioned at described inner space.
9. according to any described Weft insertion nozzle in the claim 6～8, it is characterized in that: the rearward end inner face of described throttle block and the leading section inner face of described rectification wall, at the axis that contains described knitting needle and be parallel to have on the vertical section of this axis circular-arc.
10. Weft insertion nozzle according to claim 9 is characterized in that: the degree of crook of the described circular-arc part of described throttle block and described rectification wall is basic identical, and the leading section of each rectification wall is positioned at the rearward end inboard of described throttle block.
11. Weft insertion nozzle according to claim 6 is characterized in that: described throttle block, have become one with it, for forming a plurality of second rectification walls that extend towards radial direction center one side described inner space,
Described throttle block at the axis that contains described knitting needle and be parallel on the vertical section of this axis, forms its internal diameter size the closer to the big more afterbody enlarged shape of rear end side.
12. Weft insertion nozzle according to claim 11, it is characterized in that: the rearward end inner face of the leading section inner face of the described rectification wall that described knitting needle had and the described second rectification wall, at the axis that contains described knitting needle and be parallel on the vertical section of this axis, has circular-arc part;
The degree of crook of the described rectification wall that described knitting needle had and the described circular-arc part of the described second rectification wall is basic identical, and the leading section of the described rectification wall that described knitting needle had is positioned at the rearward end inboard of the described second rectification wall.
13. according to claim 11 or 12 described Weft insertion nozzles, it is characterized in that: the described rectification wall that described knitting needle had is identical with the number of the described second rectification wall, and is man-to-man relation opposite face mutually.
14. according to any described Weft insertion nozzle in the claim 1～13, it is characterized in that: described knitting needle or described rectification wall are formed by the resistant material of selecting from contain pottery, supersteel, hardening stainless steel and ceramic-metallic class.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003341284A JP2005105473A (en) | 2003-09-30 | 2003-09-30 | Weft-insertion nozzle of fluid-jet loom |
| JP341284/2003 | 2003-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1603496A true CN1603496A (en) | 2005-04-06 |
Family
ID=34535929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004100397224A Pending CN1603496A (en) | 2003-09-30 | 2004-03-16 | Filling operation nozzle of fluid jet type weaving machine |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2005105473A (en) |
| KR (1) | KR20050031845A (en) |
| CN (1) | CN1603496A (en) |
| TW (1) | TW200512328A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102719974A (en) * | 2012-07-06 | 2012-10-10 | 常熟市方园纺织器材厂 | Water-spraying needle for loom |
| CN102978799A (en) * | 2012-11-28 | 2013-03-20 | 吴江市科时达纺织有限公司 | Water-jet loom nozzle |
| KR101307938B1 (en) * | 2013-06-28 | 2013-09-12 | 김정선 | Injection nozzle for water jet loom |
-
2003
- 2003-09-30 JP JP2003341284A patent/JP2005105473A/en active Pending
-
2004
- 2004-01-16 KR KR1020040003336A patent/KR20050031845A/en not_active Application Discontinuation
- 2004-03-16 CN CNA2004100397224A patent/CN1603496A/en active Pending
- 2004-03-26 TW TW093108350A patent/TW200512328A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| TW200512328A (en) | 2005-04-01 |
| KR20050031845A (en) | 2005-04-06 |
| JP2005105473A (en) | 2005-04-21 |
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