US20060162805A1 - Nozzle for supporting a weft thread in a weaving machine - Google Patents
Nozzle for supporting a weft thread in a weaving machine Download PDFInfo
- Publication number
- US20060162805A1 US20060162805A1 US10/527,964 US52796405A US2006162805A1 US 20060162805 A1 US20060162805 A1 US 20060162805A1 US 52796405 A US52796405 A US 52796405A US 2006162805 A1 US2006162805 A1 US 2006162805A1
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- United States
- Prior art keywords
- nozzle
- segments
- canalisation
- flow
- partition walls
- 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.)
- Abandoned
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- 238000009941 weaving Methods 0.000 title claims abstract description 16
- 239000012530 fluid Substances 0.000 claims abstract description 38
- 238000005192 partition Methods 0.000 claims description 63
- 210000004209 hair Anatomy 0.000 claims description 12
- 238000010276 construction Methods 0.000 claims description 9
- 230000002787 reinforcement Effects 0.000 claims description 9
- 235000014676 Phragmites communis Nutrition 0.000 claims description 8
- 239000004753 textile Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
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- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
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- 238000011109 contamination Methods 0.000 description 1
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- 238000003698 laser cutting Methods 0.000 description 1
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- 229910000679 solder Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Images
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
- D03D47/30—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
- D03D47/3006—Construction of the nozzles
- D03D47/302—Auxiliary nozzles
Definitions
- the present invention concerns a nozzle for supporting a weft thread in a weaving machine, in other words a nozzle for creating a fluid jet to carry a weft thread along the reed of the weaving machine through the weaving shed.
- a nozzle is known from BE 1,012,608 which is provided with a lateral protuberance near its free end which is mainly directed towards the reed when the nozzle is used.
- This special outer shape offers the advantage that the nozzle can be smoothly moved through the warp threads in and out of the weaving shed.
- Such a special outer shape has for a result that, if the nozzle were made of a housing with a constant wall thickness, also the inner shape would assume the special design of the outer shape, which of course is not ideal for the flow of the fluid through the nozzle. That is why it was suggested in BE 1,012,608 to apply an inner shape which differs from the outer shape.
- a general problem with the techniques known until now for manufacturing nozzles consists in that it is not easy to provide a desired flow-through torque therein, especially not when the inner shape of the nozzle differs from the outer shape.
- a nozzle which can be made in an efficient manner, whereby the inner shape and the outer shape can be easily optimised independently from each other and whereby practically any shape whatsoever can be easily realised.
- the invention concerns a nozzle for supporting a weft thread in a weaving machine which is provided with a flow-through valve for a fluid flowing out in at least one outlet opening, characterised in that the nozzle is at least partially composed of segments.
- segments By making use of segments, they can be easily made separately and be joined together afterwards. Since every segment only forms a part of the whole, it is as such easily accessible from all sides and there is no problem to realise it in any desired shape whatsoever.
- the segments are preferably made plate-shaped, in particular as thin plates which are placed against one another.
- a base plate out of which said plates can be made in any desired shape whatsoever.
- techniques known as such are available, such as for example wire sparking, laser cutting, milling, etching, electroforming, fine-blanking, etc. Techniques of another nature are not excluded either.
- the plates can also be realised by means of a casting technique, after which they can possibly be finished mechanically.
- the segments may be formed of straight, flat elements, for example flat plates, which are placed against each other.
- Such straight, flat elements offer the advantage that they can be easily realised and are also easy to combine into a whole.
- this does not exclude that segments can also be applied having a shape which is different from a flat shape, which offers the advantage that it is easy to create special effects, for example in view of the optimisation of the fluid jet flowing out of the nozzle.
- the segments in particular the plates, can be made with a constant thickness as well as with a varying thickness, which also allows to create different effects. It should be noted that the thickness of the segments can be very small and may for example amount to 0.1 mm or even less. Further, it is possible to apply segments of varying thickness and/or shape in one and the same nozzle, so that for example partition walls realised with the latter can be made very thin, whereas the segments serving as lateral parts can be made relatively thick.
- the segments are held in a casing, as a result of which they remain together with certainty.
- the casing can be made of a thin plate material, such that a smooth outer side is at all times guaranteed, which is important in order to prevent the warp threads from meshing in the nozzles. It is clear, however, that such a casing is optional, since, according to a variant, it is possible to provide the segments as a whole with a smooth outer side.
- the different segments in particular the different plates, can be mutually connected, either in a mechanical manner or in any other way whatsoever, for example by means of gluing, welding, sintering, etc.
- An advantageous technique for welding plates together consists in that use is made of hard soldering in a vacuum or in a specific gaseous atmosphere in an oven.
- the solder can hereby be provided on the plates by means of for example a silkscreen printing technique, which allows for a very precise dosage of the jointing media.
- At least a number of the segments can be pressed loosely against one another.
- this casing can make sure that the segments are automatically held together.
- the segments can be made of any material whatsoever offering sufficient stability. Practical examples are for example metal, such as steel or aluminium, and ceramic material. Also the use of less costly materials, such as for example synthetic material, is not excluded.
- the segments can be made in different shapes and dimensions, use is preferably made of a series of segments extending in the longitudinal direction of the nozzle, for example a series of plates placed against each other.
- plate-shaped segments they are moreover preferably situated in planes extending mainly crosswise to the front side of the nozzle, in other words which are situated such that they are directed with one edge to the side of the nozzle in which the outlet opening or outlet openings are situated.
- the segmented construction according to the invention makes it possible for the nozzle to be provided with internal partition walls of different nature in a relatively simple manner, especially when plate-shaped segments provided next to each other are used. According to a special embodiment, such a nozzle will have one or several parts built up by means of the segments serving as a partition wall in the flow-through switch.
- partition walls are in the first place designed to optimise the fluid flow, but they can also be used for other effects, such as for example to reinforce the structure of the nozzle or the like.
- partition walls can be made in different manners, offering different advantages, which will become clear from the following description of the examples represented in the figures.
- a nozzle which is provided with at least two outlet openings, whereby at least one either or not partition wall of one piece is present in the top part of the nozzle separating at least the two outlet openings, at least as of a point situated inside the actual flow-through closure up to the outer wall, or practically up to the outer wall where the outlet openings open in the outer side.
- the fluid is guided not only at the height of the outlet openings, as is known from BE 1,012,608 and JP 55-172384, but that the fluid is also efficiently guided inside the actual head part of the nozzle, as a result of which it may be assumed that it is possible to obtain better flow characteristics for the fluid. Thanks to a correct positioning of such a partition wall, or possibly of several of such partition walls in the flow-through closure, it also becomes possible to supply the fluid in the right proportions to each of the outlet openings.
- a third aspect of the present invention concerns a nozzle which is provided with one or several partition walls extending in the longitudinal direction of the flow-through valve, whereby these partition walls extend crosswise and continue materially from one side of the flow-through valve up to the opposite other side.
- a nozzle which is provided with at least one partition wall made as a cross partition in the shape of a blade-shaped guide near the outlet opening or outlet openings.
- the use of actual blades offers the advantage that an individual direction for the outgoing fluid can be realised for each individual outflow duct.
- a nozzle which is provided with one or several partition walls, whereby at least a number thereof extend downward up to at least a distance from the outlet opening or outlet openings, which is larger than the hair length of the hairs which are usually found on textile fibres, in particular up to a distance of about 1 cm.
- the outlet opening or outlet openings which is larger than the hair length of the hairs which are usually found on textile fibres, in particular up to a distance of about 1 cm.
- a nozzle which is provided with at least an intermediate connection extending through the flow-through valve and forming a reinforcement for the body of the nozzle, which intermediate connection may for example also consist of a partition wall.
- the body is hereby meant the slender top part which, as is known, is at least partially moved through the warp threads.
- Said intermediate connection preferably extends at least through the central part of the body and, better still, it extends over a large part of the aforesaid body up to, or practically up to its bottom side.
- a seventh aspect of the present invention concerns a nozzle which is provided with a series of outlet openings which are arranged in a step-like manner from one far end of said series to the other far end in relation to the longitudinal direction.
- a nozzle which is provided with a head part, whereby one or several partition walls are present in the flow-through valve of this head part which, as a result of their direction and/or shape, function as guiding elements to direct the fluid jet or fluid jets leaving the outlet opening or outlet openings when the nozzle is used.
- partition walls are present in the flow-through valve of this head part which, as a result of their direction and/or shape, function as guiding elements to direct the fluid jet or fluid jets leaving the outlet opening or outlet openings when the nozzle is used.
- each of the aforesaid eight aspects can be combined at random. Also all other partial characteristics which will appear from the further description and claims can be combined at random with one or several of the main characteristics of each of the aforesaid aspects, at least in so far that these characteristics are not conflicting.
- FIG. 1 represents a part of a weaving machine with several nozzles according to the invention
- FIG. 2 represents a section according to line II-II in FIG. 1 ;
- FIG. 3 represents the nozzle represented in FIG. 2 in perspective and to a larger scale
- FIG. 4 represents a section according to line IV-IV in FIG. 3 ;
- FIG. 5 represents the nozzle from FIG. 3 when disassembled
- FIGS. 6 and 7 represent views analogous to those of FIGS. 3 and 4 , but for a variant
- FIG. 8 represents another variant as disassembled
- FIG. 9 represents a section according to line IX-IX in FIG. 8 , but as composed, however;
- FIGS. 10, 11 and 12 represent views analogous to those of FIGS. 3, 4 and 5 , but for a variant;
- FIGS. 13, 14 and 15 represent views analogous to those of FIGS. 3, 4 and 5 , but for another variant;
- FIGS. 16 and 17 represent sections of two more embodiments of a nozzle according to the invention.
- FIGS. 18, 19 and 20 represent cross sections of three further embodiments of a nozzle according to the invention.
- FIG. 21 represents a section of an embodiment, whereby a crosswise directed partition wall is provided in the flow-through terminal
- FIG. 22 represents a possibility for realising a nozzle according to FIG. 21 when disassembled
- FIG. 23 represents a special embodiment of a nozzle according to the invention.
- FIG. 24 represents a view according to arrow F 24 in FIG. 23 ;
- FIG. 25 represents a view according to arrow F 25 in FIG. 23 to a larger scale
- FIG. 26 represents the top end of the nozzle from FIGS. 23 to 25 in perspective
- FIG. 27 represents a section according to line XXVII-XXVII in FIG. 25 ;
- FIG. 28 represents a view analogous to that of FIG. 2 , but for the nozzle from FIGS. 23 to 27 ;
- FIGS. 29 and 30 schematically illustrate an intermediate step of a possible method for realising nozzles according to the invention.
- FIGS. 1 and 2 schematically represent a device 1 for inserting weft threads 2 in a weaving machine, which is provided with nozzles 3 , in particular relay nozzles, realised according to the invention.
- the given device 1 comprises a slay 4 with a reed 5 fixed to it which is provided with a guide duct 6 along which the weft thread 2 is conveyed.
- the weft thread 2 is blown into the guide duct 6 by means of a main nozzle 7 and it is further supported by fluid jets, in this case air jets 8 which are generated via the nozzles 3 .
- main nozzles 7 - 7 A can be provided to bring weft threads 2 in the weaving shed as of several weft yarns 9 - 10 .
- the nozzles 3 reach with their top ends through the lower warp threads 11 into the shed 13 formed by the lower and top warp threads 11 - 12 during the insertion of the weft thread 2 .
- the main nozzles 7 - 7 A as well as the nozzles 3 are fed with a fluid under pressure by means of a fluid source 14 , for example compressed air, and they are controlled in a known manner by means of valves 15 - 16 or the like.
- the nozzles 3 are provided with a flow-through mount 17 for the fluid, in this case a single duct, which opens into the environment via an outlet opening 18 .
- the invention is special in that the nozzles 3 , at least according to a first aspect of the invention and, as can be seen in FIGS. 3 to 5 , are at least partially composed of segments 19 - 20 .
- the segments 19 - 20 consist of plates which are provided laterally against each other. These plates extend in the longitudinal direction of the nozzle 3 and they are situated such that they are directed with one edge 21 towards the side 22 of the nozzle 3 in which the outlet opening 18 is situated.
- the segments 19 are provided with passages 23 which, when the whole is combined, determine the shape of the flow-through torque 17 or, in other words, the inner shape of the nozzle 3 .
- the segments 20 form end walls which serve as sealing elements or lids.
- the segments 19 - 20 can be fixed against each other in any way whatsoever, for example by means of welded joints 24 .
- the segments 19 - 20 can possibly be provided with auxiliary means to mutually position the composing parts, as is schematically represented by means of a dashed line in FIG. 5 , and alternatively, represented connecting elements 25 - 26 and/or mechanical coupling elements, in particular pins 27 and holes 28 . It is clear that a large number of variants are possible.
- FIGS. 6 and 7 represent a variant whereby the segments 19 - 20 are provided in a casing 29 .
- the segments 19 - 20 or at least specific parts thereof, can possibly be pressed loosely against each other, whereby the casing 29 keeps the segments 19 - 20 together.
- the passages 23 extend over the entire thickness of the segments 19 concerned.
- Such an embodiment offers the advantage that the wall part 32 remaining next to the passage 31 can serve as a sealing element or partition wall without a separate segment being required to this end.
- Another advantage consists in that the material parts 33 and 34 as such remain in a fixed position in relation to each other.
- Said passage 31 can also be easily formed by means of a mechanical operation, for example by means of milling.
- FIGS. 10 to 12 represent an example of an embodiment of a nozzle 3 according to the invention, whereby the segmented construction is used to realise partition walls 35 in the flow-through valve 17 in a simple manner from a constructional point of view.
- These partition walls 35 consist of parts 36 which are part of segments 37 provided between segments 19 , so that these parts 36 also serve as longitudinal partitions.
- the parts 36 are limited by a bottom edge 38 , such that, when the segments 19 - 20 - 37 represented in FIG. 12 are joined together, a common duct is obtained at the bottom in the nozzle 3 , and separate ducts 39 - 40 - 41 are created more towards the top, which are situated laterally next to one another in the given example and which extend up to the side 22 and thus define several outlet openings 18 .
- FIGS. 13 to 15 is represented a variant whereby the partition walls 35 are formed by means of segments 47 which are of the same type as the aforesaid segments 30 , whereby the wall parts 32 now function as partition walls 35 .
- partition walls 35 in the embodiment from FIGS. 10 to 12 as well as the one from FIGS. 13 to 15 , seen crosswise, in particular according to the direction D, extend in one piece from one side to the other side of the flow-through valve 17 , so that, as opposed to the use of a partition wall which does not continue materially, as is known from EP 0,145,824, no zones are created in which hairs or the like, coming for example from the weft thread 2 , can become jammed.
- the partition walls 35 no matter in what way they are formed, preferably extend downward up to a distance A from the outlet openings 18 concerned which is larger than the largest hair length of the hairs 48 which are usually found on textile fibres, in particular on a weft thread 2 or a warp thread 11 - 12 .
- the distance A preferably amounts to about 1 cm or more.
- FIG. 17 represents an example thereof, whereby a partition wall 35 is also made as a special reinforcement part. To this end, the partition wall 35 extends over the entire length L of the slender body 49 , as a result of which it functions as a reinforcement rib.
- said partition wall 35 does not necessarily have to extend over the entire length L, but at least one reinforcement will preferably be made in or around the central part 50 , so that the body 49 is at least reinforced in the middle.
- said reinforcement can possibly be formed of local connecting ribs alone.
- the aforesaid segments and possibly partition walls 35 formed thereof can serve as guiding elements, provided they have a suitable direction or shape, to direct the fluid jet 8 leaving the outlet opening or outlet openings 18 when using the nozzle 3 .
- a specific example thereof is represented in FIG. 18 , which shows an embodiment whereby the partition walls 35 consist of plate-shaped elements or the like which extend slantingly at an angle H according to a general direction which, when the nozzle 3 has been mounted in a weaving machine, extends slantingly towards the reed 5 .
- FIGS. 19 and 20 represent some more special embodiments which show that the segments, and in particular partition walls 35 formed thereof, may consist of elements, in particular plates or the like, which may have a varying thickness and/or a shape which deviates from a flat shape, as a function of the desired effect.
- FIG. 21 shows another embodiment with a partition wall 51 which is made as a cross partition, and in particular as a blade-shaped guide near the outlet opening or outlet openings 18 .
- the partition wall 51 can be made as a loose segment provided between neighbouring segments, but it is easier to make use of a segment 52 as represented in FIG. 22 .
- the flow-through switch 17 generally extends in the longitudinal direction of the nozzle 3 and it traces a curve near the top end to finally flow into the outlet opening or outlet openings 18 .
- the above-mentioned partition walls 35 and 51 hereby preferably extend through at least a part of this curve. This offers the advantage that the fluid is easily bent with a minimal risk of unwanted turbulences being created which might have a negative influence on the fluid jet 8 .
- FIGS. 23 to 28 represent a special embodiment with a nozzle 3 having a series of outlet openings 18 which are arranged in a stepped manner, thanks to the construction in segments, as of one far end of the series to its other far end, which results in the advantages mentioned in the introduction.
- the direction of the stepped shape is preferably selected such that a bundle of parallel or almost parallel outgoing fluid jets, in particular partial jets 8 A is obtained, whereby the intersections of these partial jets 8 A with a theoretical plane 53 going through the guiding duct 6 and standing at right angles to the surface of the reed 5 , are all situated at practically the same distance from the outlet openings 18 , which amounts to some 50 mm.
- the nozzle 3 with the step-like arranged outlet openings 18 is particularly suitable to be made with a lateral protuberance corresponding to the invention which is described in Belgian patent No. 1,012,608.
- FIG. 29 represents a practical possibility for holding two parts 19 A and 19 B of a segment 19 in a fixed position until this segment 19 is connected to other segments.
- an additive 54 is formed for the outlet opening 18 to be formed which connects the parts 19 A and 19 B to each other, which additive 54 is removed after the segments have been joined and fixed to each other, for example up to the indicated line 55 , by means of milling, grinding or the like.
- segmented construction it is possible to work with mainly horizontal segments, by which are meant segments extending mainly perpendicular to the longitudinal direction of the nozzle.
Abstract
Nozzle for supporting a weft thread in a weaving machine, provided with a flow-through canalisation for a fluid flowing out in at least one outlet opening, wherein the nozzle is at least partially composed of segments.
Description
- The present invention concerns a nozzle for supporting a weft thread in a weaving machine, in other words a nozzle for creating a fluid jet to carry a weft thread along the reed of the weaving machine through the weaving shed.
- In the first place is meant a relay nozzle for an air jet weaving machine by such a nozzle, but it is clear that more generally also other nozzles are meant by it, also for other fluids than air.
- It is known that such nozzles can be made in different shapes, as a function of the aimed effect.
- Thus, for example, a nozzle is known from BE 1,012,608 which is provided with a lateral protuberance near its free end which is mainly directed towards the reed when the nozzle is used. This special outer shape offers the advantage that the nozzle can be smoothly moved through the warp threads in and out of the weaving shed. Such a special outer shape has for a result that, if the nozzle were made of a housing with a constant wall thickness, also the inner shape would assume the special design of the outer shape, which of course is not ideal for the flow of the fluid through the nozzle. That is why it was suggested in BE 1,012,608 to apply an inner shape which differs from the outer shape.
- Also from other patent documents, for example EP 0,145,824, CS 266,516 and CS 281,607 it is known to apply an inner shape which clearly differs from the outer shape.
- A general problem with the techniques known until now for manufacturing nozzles consists in that it is not easy to provide a desired flow-through canalisation therein, especially not when the inner shape of the nozzle differs from the outer shape.
- In general, such nozzles are relatively small, and providing a flow-through canalisation therein was not simple until now, all the more as such a flow-through canalisation has to be made rather accurately, as it determines the flow of the fluid leaving the nozzle, in other words of the outgoing fluid jet, and as such a fluid jet has to be directed as powerful and as good as possible in order to optimally move a weft thread along the reed.
- Also, according to a first aspect of the invention, it aims a nozzle which can be made in an efficient manner, whereby the inner shape and the outer shape can be easily optimised independently from each other and whereby practically any shape whatsoever can be easily realised.
- According to this first aspect, the invention concerns a nozzle for supporting a weft thread in a weaving machine which is provided with a flow-through canalisation for a fluid flowing out in at least one outlet opening, characterised in that the nozzle is at least partially composed of segments.
- By making use of segments, they can be easily made separately and be joined together afterwards. Since every segment only forms a part of the whole, it is as such easily accessible from all sides and there is no problem to realise it in any desired shape whatsoever.
- Further, the use of such segments makes it possible to easily realise different inner shapes, in other words shapes for the flow-through canalisation.
- The segments are preferably made plate-shaped, in particular as thin plates which are placed against one another. In order to form such plates, one can simply take a base plate out of which said plates can be made in any desired shape whatsoever. It is clear that in order to make them, a large number of techniques known as such are available, such as for example wire sparking, laser cutting, milling, etching, electroforming, fine-blanking, etc. Techniques of another nature are not excluded either. Thus, for example, the plates can also be realised by means of a casting technique, after which they can possibly be finished mechanically.
- The segments may be formed of straight, flat elements, for example flat plates, which are placed against each other. Such straight, flat elements offer the advantage that they can be easily realised and are also easy to combine into a whole. However, this does not exclude that segments can also be applied having a shape which is different from a flat shape, which offers the advantage that it is easy to create special effects, for example in view of the optimisation of the fluid jet flowing out of the nozzle.
- The segments, in particular the plates, can be made with a constant thickness as well as with a varying thickness, which also allows to create different effects. It should be noted that the thickness of the segments can be very small and may for example amount to 0.1 mm or even less. Further, it is possible to apply segments of varying thickness and/or shape in one and the same nozzle, so that for example partition walls realised with the latter can be made very thin, whereas the segments serving as lateral parts can be made relatively thick.
- The use of segments offers the advantage that any shape whatsoever can be easily made with great accuracy.
- According to a preferred embodiment, the segments are held in a casing, as a result of which they remain together with certainty. Moreover, the casing can be made of a thin plate material, such that a smooth outer side is at all times guaranteed, which is important in order to prevent the warp threads from meshing in the nozzles. It is clear, however, that such a casing is optional, since, according to a variant, it is possible to provide the segments as a whole with a smooth outer side.
- The different segments, in particular the different plates, can be mutually connected, either in a mechanical manner or in any other way whatsoever, for example by means of gluing, welding, sintering, etc. An advantageous technique for welding plates together consists in that use is made of hard soldering in a vacuum or in a specific gaseous atmosphere in an oven. The solder can hereby be provided on the plates by means of for example a silkscreen printing technique, which allows for a very precise dosage of the jointing media.
- It should be noted that for example the etching and fine-blanking of plates, as well as vacuum soldering in an oven can be done very cheaply in large quantities, guaranteeing an economic production.
- According to another possibility, at least a number of the segments can be pressed loosely against one another. In the case where the segments are for example pushed in a casing, this casing can make sure that the segments are automatically held together.
- The segments can be made of any material whatsoever offering sufficient stability. Practical examples are for example metal, such as steel or aluminium, and ceramic material. Also the use of less costly materials, such as for example synthetic material, is not excluded.
- Although the segments can be made in different shapes and dimensions, use is preferably made of a series of segments extending in the longitudinal direction of the nozzle, for example a series of plates placed against each other.
- In the case of plate-shaped segments, they are moreover preferably situated in planes extending mainly crosswise to the front side of the nozzle, in other words which are situated such that they are directed with one edge to the side of the nozzle in which the outlet opening or outlet openings are situated.
- The segmented construction according to the invention makes it possible for the nozzle to be provided with internal partition walls of different nature in a relatively simple manner, especially when plate-shaped segments provided next to each other are used. According to a special embodiment, such a nozzle will have one or several parts built up by means of the segments serving as a partition wall in the flow-through canalisation.
- Such partition walls are in the first place designed to optimise the fluid flow, but they can also be used for other effects, such as for example to reinforce the structure of the nozzle or the like.
- The partition walls can be made in different manners, offering different advantages, which will become clear from the following description of the examples represented in the figures.
- According to a second aspect of the present invention, it concerns a nozzle which is provided with at least two outlet openings, whereby at least one either or not partition wall of one piece is present in the top part of the nozzle separating at least the two outlet openings, at least as of a point situated inside the actual flow-through canalisation up to the outer wall, or practically up to the outer wall where the outlet openings open in the outer side. Thus is obtained that the fluid is guided not only at the height of the outlet openings, as is known from BE 1,012,608 and JP 55-172384, but that the fluid is also efficiently guided inside the actual head part of the nozzle, as a result of which it may be assumed that it is possible to obtain better flow characteristics for the fluid. Thanks to a correct positioning of such a partition wall, or possibly of several of such partition walls in the flow-through canalisation, it also becomes possible to supply the fluid in the right proportions to each of the outlet openings.
- Thanks to this second aspect is also obtained that the fluid is guided separately up to the moment when the fluid leaves the nozzle, which is particularly useful to optimize the outgoing fluid jet, as opposed to the embodiment described in EP 0,145,824, where there is no partition in the actual outlet opening.
- According to a third aspect of the present invention, it concerns a nozzle which is provided with one or several partition walls extending in the longitudinal direction of the flow-through canalisation, whereby these partition walls extend crosswise and continue materially from one side of the flow-through canalisation up to the opposite other side. By making use of one or several partition walls extending as a single material through the flow-through canalisation, this offers the advantage that the structure of the nozzle is reinforced. Compared to a partition wall which is free at one far end opposite to the opposite side, as is known from EP 0,145,824, this moreover offers the advantage that any meshing of pieces of fluff or little hairs of warp threads and/or weft threads as they get jammed in between the free end of the partition wall and the opposite wall, which may result in obstructions, is excluded.
- According to a fourth aspect of the present invention, it concerns a nozzle which is provided with at least one partition wall made as a cross partition in the shape of a blade-shaped guide near the outlet opening or outlet openings. The use of actual blades offers the advantage that an individual direction for the outgoing fluid can be realised for each individual outflow duct.
- According to a fifth aspect of the present invention, it concerns a nozzle which is provided with one or several partition walls, whereby at least a number thereof extend downward up to at least a distance from the outlet opening or outlet openings, which is larger than the hair length of the hairs which are usually found on textile fibres, in particular up to a distance of about 1 cm. Thus, fibres, hairs and the like which have penetrated cannot mesh behind the inner edge of such partition walls, which may be the case with traditional embodiments.
- According to a sixth aspect of the present invention, it concerns a nozzle which is provided with at least an intermediate connection extending through the flow-through canalisation and forming a reinforcement for the body of the nozzle, which intermediate connection may for example also consist of a partition wall. Thus, the bending strength of the nozzle is considerably increased, as a result of which the risk of deformations which may have an influence on the direction of the fluid jet is reduced. By the body is hereby meant the slender top part which, as is known, is at least partially moved through the warp threads. Said intermediate connection preferably extends at least through the central part of the body and, better still, it extends over a large part of the aforesaid body up to, or practically up to its bottom side.
- According to a seventh aspect of the present invention, it concerns a nozzle which is provided with a series of outlet openings which are arranged in a step-like manner from one far end of said series to the other far end in relation to the longitudinal direction. Thus, in a general manner, it is possible to realise a relatively flat fluid jet. Thanks to the correct position of the stepped arrangement, it moreover becomes possible for the fluid jet to optimally work in conjunction with a weft thread which is usually situated in the conveyor duct in the reed.
- According to an eight aspect of the present invention, it concerns a nozzle which is provided with a head part, whereby one or several partition walls are present in the flow-through canalisation of this head part which, as a result of their direction and/or shape, function as guiding elements to direct the fluid jet or fluid jets leaving the outlet opening or outlet openings when the nozzle is used. Thus, it is not only the outermost inner wall of the flow canalisation which determines the direction and the behaviour of the outgoing fluid jet, but this direction is also determined by the partition wall or partition walls. As a result, the behaviour of the general fluid jet can be further optimised, and it is even possible to separately influence the respective partial jets, in other words the jets coming out of the respective outlet openings.
- It is clear that the embodiments according to the second to eight aspect are easy to realise in practice by making use of a segmented construction corresponding to the aforesaid first aspect of the invention. However, this does not exclude that nozzles according to the second to eighth aspect of the invention can also be realised without a segmented construction being applied thereby. It is clear that in this case also, the aforesaid advantages remain applicable.
- According to the invention, the characteristics of each of the aforesaid eight aspects can be combined at random. Also all other partial characteristics which will appear from the further description and claims can be combined at random with one or several of the main characteristics of each of the aforesaid aspects, at least in so far that these characteristics are not conflicting.
- In order to better explain the characteristics of the invention, the following preferred embodiments according to the invention are described as an example only without being limitative in any way, with reference to the accompanying drawings, in which:
-
FIG. 1 represents a part of a weaving machine with several nozzles according to the invention; -
FIG. 2 represents a section according to line II-II inFIG. 1 ; -
FIG. 3 represents the nozzle represented inFIG. 2 in perspective and to a larger scale; -
FIG. 4 represents a section according to line IV-IV inFIG. 3 ; -
FIG. 5 represents the nozzle fromFIG. 3 when disassembled; -
FIGS. 6 and 7 represent views analogous to those ofFIGS. 3 and 4 , but for a variant; -
FIG. 8 represents another variant as disassembled; -
FIG. 9 represents a section according to line IX-IX inFIG. 8 , but as composed, however; -
FIGS. 10, 11 and 12 represent views analogous to those ofFIGS. 3, 4 and 5, but for a variant; -
FIGS. 13, 14 and 15 represent views analogous to those ofFIGS. 3, 4 and 5, but for another variant; -
FIGS. 16 and 17 represent sections of two more embodiments of a nozzle according to the invention; -
FIGS. 18, 19 and 20 represent cross sections of three further embodiments of a nozzle according to the invention; -
FIG. 21 represents a section of an embodiment, whereby a crosswise directed partition wall is provided in the flow-through canalisation; -
FIG. 22 represents a possibility for realising a nozzle according toFIG. 21 when disassembled; -
FIG. 23 represents a special embodiment of a nozzle according to the invention; -
FIG. 24 represents a view according to arrow F24 inFIG. 23 ; -
FIG. 25 represents a view according to arrow F25 inFIG. 23 to a larger scale; -
FIG. 26 represents the top end of the nozzle from FIGS. 23 to 25 in perspective; -
FIG. 27 represents a section according to line XXVII-XXVII inFIG. 25 ; -
FIG. 28 represents a view analogous to that ofFIG. 2 , but for the nozzle from FIGS. 23 to 27; -
FIGS. 29 and 30 schematically illustrate an intermediate step of a possible method for realising nozzles according to the invention. -
FIGS. 1 and 2 schematically represent adevice 1 for insertingweft threads 2 in a weaving machine, which is provided withnozzles 3, in particular relay nozzles, realised according to the invention. - The given
device 1 comprises a slay 4 with areed 5 fixed to it which is provided with aguide duct 6 along which theweft thread 2 is conveyed. Theweft thread 2 is blown into theguide duct 6 by means of a main nozzle 7 and it is further supported by fluid jets, in thiscase air jets 8 which are generated via thenozzles 3. - As is known, several main nozzles 7-7A can be provided to bring
weft threads 2 in the weaving shed as of several weft yarns 9-10. - As represented in
FIG. 2 , thenozzles 3 reach with their top ends through thelower warp threads 11 into the shed 13 formed by the lower and top warp threads 11-12 during the insertion of theweft thread 2. The main nozzles 7-7A as well as thenozzles 3 are fed with a fluid under pressure by means of afluid source 14, for example compressed air, and they are controlled in a known manner by means of valves 15-16 or the like. - As represented in FIGS. 3 to 5, the
nozzles 3 are provided with a flow-throughcanalisation 17 for the fluid, in this case a single duct, which opens into the environment via anoutlet opening 18. - The invention is special in that the
nozzles 3, at least according to a first aspect of the invention and, as can be seen in FIGS. 3 to 5, are at least partially composed of segments 19-20. - In the given example of FIGS. 3 to 5, the segments 19-20 consist of plates which are provided laterally against each other. These plates extend in the longitudinal direction of the
nozzle 3 and they are situated such that they are directed with oneedge 21 towards theside 22 of thenozzle 3 in which theoutlet opening 18 is situated. - The
segments 19 are provided withpassages 23 which, when the whole is combined, determine the shape of the flow-throughcanalisation 17 or, in other words, the inner shape of thenozzle 3. - The
segments 20 form end walls which serve as sealing elements or lids. - As explained in the introduction, the segments 19-20 can be fixed against each other in any way whatsoever, for example by means of welded joints 24.
- The segments 19-20 can possibly be provided with auxiliary means to mutually position the composing parts, as is schematically represented by means of a dashed line in
FIG. 5 , and alternatively, represented connecting elements 25-26 and/or mechanical coupling elements, inparticular pins 27 and holes 28. It is clear that a large number of variants are possible. -
FIGS. 6 and 7 represent a variant whereby the segments 19-20 are provided in acasing 29. In this case, the segments 19-20, or at least specific parts thereof, can possibly be pressed loosely against each other, whereby thecasing 29 keeps the segments 19-20 together. - In the embodiments of
FIGS. 3-5 and 6-7, thepassages 23 extend over the entire thickness of thesegments 19 concerned. According to a variant which is represented inFIGS. 8 and 9 , it is also possible to make use of one orseveral segments 30, with apassage 31 extending over only a part of the thickness of eachsegment 30 concerned. Such an embodiment offers the advantage that thewall part 32 remaining next to thepassage 31 can serve as a sealing element or partition wall without a separate segment being required to this end. Another advantage consists in that thematerial parts passage 31 can also be easily formed by means of a mechanical operation, for example by means of milling. - FIGS. 10 to 12 represent an example of an embodiment of a
nozzle 3 according to the invention, whereby the segmented construction is used to realisepartition walls 35 in the flow-throughcanalisation 17 in a simple manner from a constructional point of view. Thesepartition walls 35 consist ofparts 36 which are part ofsegments 37 provided betweensegments 19, so that theseparts 36 also serve as longitudinal partitions. - The
parts 36 are limited by abottom edge 38, such that, when the segments 19-20-37 represented inFIG. 12 are joined together, a common duct is obtained at the bottom in thenozzle 3, and separate ducts 39-40-41 are created more towards the top, which are situated laterally next to one another in the given example and which extend up to theside 22 and thus defineseveral outlet openings 18. - Thus, it is possible to realise a separate duct towards each outlet opening 18 and/or towards several groups of
outlet openings 18, as a result of which a better guiding of the fluid flow is obtained. - In the embodiment of FIGS. 13 to 15 is represented a variant whereby the
partition walls 35 are formed by means ofsegments 47 which are of the same type as theaforesaid segments 30, whereby thewall parts 32 now function aspartition walls 35. - It should be noted that the
partition walls 35, in the embodiment from FIGS. 10 to 12 as well as the one from FIGS. 13 to 15, seen crosswise, in particular according to the direction D, extend in one piece from one side to the other side of the flow-throughcanalisation 17, so that, as opposed to the use of a partition wall which does not continue materially, as is known from EP 0,145,824, no zones are created in which hairs or the like, coming for example from theweft thread 2, can become jammed. - As is schematically represented in
FIG. 16 , thepartition walls 35, no matter in what way they are formed, preferably extend downward up to a distance A from theoutlet openings 18 concerned which is larger than the largest hair length of thehairs 48 which are usually found on textile fibres, in particular on aweft thread 2 or a warp thread 11-12. Thus is excluded thathairs 48 which might penetrate can become entangled under thelower edge 38 and fix themselves there, after they have come off the textile fibre, and become concentrated there. The risk ofhairs 48 penetrating as of warp threads is bigger since theoutlet openings 18 go through thewarp threads 11 at each insertion of a weft thread. Thus, the risk of contamination, in particular of obstruction of the flow-throughcanalisation 17 is minimised. Practically, the distance A preferably amounts to about 1 cm or more. - Thanks to the segmented construction, it is also easy to realise intermediate connections in the flow-through
canalisation 17 which form a reinforcement for thebody 49 of thenozzle 3, in other words for the slender part thereof.FIG. 17 represents an example thereof, whereby apartition wall 35 is also made as a special reinforcement part. To this end, thepartition wall 35 extends over the entire length L of theslender body 49, as a result of which it functions as a reinforcement rib. - In order to obtain such a reinforcement, said
partition wall 35 does not necessarily have to extend over the entire length L, but at least one reinforcement will preferably be made in or around thecentral part 50, so that thebody 49 is at least reinforced in the middle. - It should be noted that said reinforcement can possibly be formed of local connecting ribs alone.
- The aforesaid segments and possibly partition
walls 35 formed thereof can serve as guiding elements, provided they have a suitable direction or shape, to direct thefluid jet 8 leaving the outlet opening oroutlet openings 18 when using thenozzle 3. A specific example thereof is represented inFIG. 18 , which shows an embodiment whereby thepartition walls 35 consist of plate-shaped elements or the like which extend slantingly at an angle H according to a general direction which, when thenozzle 3 has been mounted in a weaving machine, extends slantingly towards thereed 5. -
FIGS. 19 and 20 represent some more special embodiments which show that the segments, and inparticular partition walls 35 formed thereof, may consist of elements, in particular plates or the like, which may have a varying thickness and/or a shape which deviates from a flat shape, as a function of the desired effect. -
FIG. 21 shows another embodiment with apartition wall 51 which is made as a cross partition, and in particular as a blade-shaped guide near the outlet opening oroutlet openings 18. In principle, thepartition wall 51 can be made as a loose segment provided between neighbouring segments, but it is easier to make use of asegment 52 as represented inFIG. 22 . - It is clear that it is also possible to realise embodiments by means of the above-mentioned segments having longitudinal as well as cross partition in the flow-through
canalisation 17, for example by placingseveral segments 52 against one another. Thus, it is possible to realise anozzle 3 with a whole series ofoutlet openings 18, whereby separate ducts to each outlet opening 18 are at least formed in the head of thenozzle 3. - In the given examples, the flow-through
canalisation 17 generally extends in the longitudinal direction of thenozzle 3 and it traces a curve near the top end to finally flow into the outlet opening oroutlet openings 18. The above-mentionedpartition walls fluid jet 8. - FIGS. 23 to 28 represent a special embodiment with a
nozzle 3 having a series ofoutlet openings 18 which are arranged in a stepped manner, thanks to the construction in segments, as of one far end of the series to its other far end, which results in the advantages mentioned in the introduction. - The direction of the stepped shape is preferably selected such that a bundle of parallel or almost parallel outgoing fluid jets, in particular partial jets 8A is obtained, whereby the intersections of these partial jets 8A with a
theoretical plane 53 going through the guidingduct 6 and standing at right angles to the surface of thereed 5, are all situated at practically the same distance from theoutlet openings 18, which amounts to some 50 mm. - The
nozzle 3 with the step-like arrangedoutlet openings 18 is particularly suitable to be made with a lateral protuberance corresponding to the invention which is described in Belgian patent No. 1,012,608. - It should be noted that the different parts of the segments can be held together in the right position in any way whatsoever while being joined, until they are fixed to each other.
FIG. 29 represents a practical possibility for holding twoparts segment 19 in a fixed position until thissegment 19 is connected to other segments. To this end, an additive 54 is formed for the outlet opening 18 to be formed which connects theparts additive 54 is removed after the segments have been joined and fixed to each other, for example up to the indicatedline 55, by means of milling, grinding or the like. - In this manner can also be provided a blade in a simple manner in a nozzle formed of segments, by making use of an additive 54 as represented in
FIG. 30 . - All the embodiments described above by means of the figures are applications of the aforesaid first aspect of the invention. It is clear that, in a number of these embodiments, also one or several of the other aspects mentioned in the introduction have been applied. As explained in the introduction, however, the characteristics according to the second to eighth aspect can also be realised independently of the first aspect, as well as independently of each other, without making use of a segmented construction.
- In the case of a segmented construction, however, it is possible to work with mainly horizontal segments, by which are meant segments extending mainly perpendicular to the longitudinal direction of the nozzle.
- The invention is by no means limited to the above-described embodiments given as an example and represented in the accompanying drawings; on the contrary, such a nozzle can be made in many sorts of shapes and dimensions while still remaining within the scope of the invention.
Claims (24)
1. Nozzle for supporting a weft thread in a weaving machine, comprising at least one outlet opening; a flow-through canalisation for supplying a fluid to said at least one outlet opening; said nozzle being at least partially formed of segments.
2. Nozzle according to claim 1 , wherein the outer shape of the nozzle and the inner shape of the flow-through canalisation are different from each other and wherein said segments define said inner shape.
3. Nozzle according to claim 1 , wherein the segments are plate-shaped.
4. Nozzle according to claim 1 , wherein the segments are disposed in a casing.
5. Nozzle according to claim 1 , wherein at least a number of the segments are mutually connected.
6. Nozzle according to claim 1 , wherein at least a number of the segments are pressed loosely against each other.
7. Nozzle according to claim 1 , wherein the nozzle is elongated and the segments extend along the longitudinal direction of the nozzle.
8. Nozzle according to claim 3 , wherein the segments are disposed such that they are directed with one edge facing towards a side of the nozzle in which the outlet opening or outlet openings are located.
9. Nozzle according to claim 1 , wherein said segments at least in part form one or more partition walls within the flow-through canalisation.
10. Nozzle according to claim 9 , wherein the nozzle has at least two outlet openings, and wherein one or more partition walls define separate ducts extending towards a respective outlet opening and/or groups of outlet openings.
11. Nozzle according to claim 10 , wherein said one or more partition walls extend up to a side of the nozzle where the outlet openings open into the environment.
12. Nozzle according to claim 9 , wherein one or more of said partition walls are formed as a longitudinal partition.
13. Nozzle according to claim 12 , wherein the partition wall or walls enable a lateral division of the flow-through canalisation in the ducts.
14. Nozzle according to claim 9 , wherein the nozzle is elongated and the flow-through canalisation generally extends in the longitudinal direction of the nozzle and traces a curve near a top end of the nozzle to finally flow into the outlet opening or outlet openings, and further wherein one or more of the partition walls extend through at least a part of said curve.
15. Nozzle according to claim 9 , wherein at least one of the partition walls is made as a cross partition defining a blade-shaped guide near the outlet opening or outlet openings.
16. Nozzle according to claim 9 , wherein at least one of the partition walls extends crosswise in one piece from one side to the other side of the flow-through canalisation.
17. Nozzle according to claim 9 , wherein mainly all the partition walls extend downward up to a distance (A) from the outlet opening or outlet openings which is larger than the length of the hairs which are usually found on textile fibres.
18. Nozzle according to claim 1 , wherein the segments, as well as any partition walls formed by same, comprise plate-shaped elements which extend slantingly at an angle (H) according to a general direction which, when the nozzle is mounted in a weaving machine, extends slantingly towards a reed of the weaving machine.
19. Nozzle according to claim 1 , wherein at least one of the segments comprises an intermediate connection forming a reinforcement for a body of the nozzle, at least in the central part of the nozzle.
20. Nozzle according to claim 1 , wherein at lease some of the segments are formed to serve as guiding elements to direct a fluid jet discharged from the outlet opening or outlet openings when the nozzle is in use.
21. Nozzle according to claim 1 , wherein the segments comprise straight, mainly flat contiguous elements.
22. Nozzle according to claim 1 , wherein at least some of the segments comprise elements having varying thicknesses and/or shapes which are not flat.
23. Nozzle according to claim 1 , wherein the nozzle has a series of outlet openings which are arranged step-like, by means of the segmented construction, from one far end of the series to the other far end thereof.
24. Nozzle for supporting a weft thread in a weaving machine, said nozzle comprising a flow-through canalisation for a fluid flowing out of at least one outlet opening of the nozzle, comprising one or a combination of two or more of the following:
the nozzle is provided with at least two outlet openings, and wherein at least one partition wall is provided in the top part of the nozzle separating at least the two outlet openings, at least at a point located situated inside the flow-through canalisation and up to an outer wall of the nozzle, or practically up to said outer wall, where the outlet openings open to the environment;
the nozzle is elongated and is provided with one or several partition walls extending in the longitudinal direction of the flow-through canalisation, said partition walls extending crosswise and continuing substantially from one side of the flow-through canalisation to the opposite other side;
the nozzle is provided with at least one outlet opening and at least one partition wall made as a cross partition in the shape of a blade-shaped guide disposed near each outlet opening;
the nozzle is provided with one or more partition walls, at least a number of said partition walls extending downward up to at least a distance (A) from each outlet opening, said distance being larger than the hair length of the hairs which are usually found on textile fibres;
the nozzle is provided with at least an intermediate connection extending through the flow-through canalisation and forming a reinforcement for a body of the nozzle;
the nozzle is provided with a series of outlet openings which are arranged in a step-like manner from one far end of said series to the other far end; and
the nozzle has a head part, including said canalisation and wherein partition walls are disposed in the flow-through canalisation of said head part which, due to their direction and/or shape, function as guiding elements to direct a fluid jet leaving the outlet opening or outlet openings when the nozzle is in use.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE2002/0607A BE1015155A3 (en) | 2002-10-23 | 2002-10-23 | SYRINGE nozzle for supporting a weft thread into a weaving machine. |
BE2002/0607 | 2002-10-23 | ||
PCT/BE2003/000177 WO2004038077A1 (en) | 2002-10-23 | 2003-10-17 | Nozzle for supporting a weft thread in a weaving machine |
Publications (1)
Publication Number | Publication Date |
---|---|
US20060162805A1 true US20060162805A1 (en) | 2006-07-27 |
Family
ID=32111405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/527,964 Abandoned US20060162805A1 (en) | 2002-10-23 | 2003-10-17 | Nozzle for supporting a weft thread in a weaving machine |
Country Status (7)
Country | Link |
---|---|
US (1) | US20060162805A1 (en) |
EP (1) | EP1554419A1 (en) |
JP (1) | JP2006503992A (en) |
CN (1) | CN1764749A (en) |
AU (1) | AU2003273645A1 (en) |
BE (1) | BE1015155A3 (en) |
WO (1) | WO2004038077A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080000819A1 (en) * | 2006-02-15 | 2008-01-03 | Liquid Separation Technologies And Equipment, Llc | Water decontamination systems |
US20080000821A1 (en) * | 2006-02-15 | 2008-01-03 | Liquid Separation Technologies And Equipment, Llc | Apparatus for water decontamination |
US20080000839A1 (en) * | 2006-02-15 | 2008-01-03 | Liquid Separation Technologies And Equipment, Llc | Methods of water decontamination |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103696100A (en) * | 2013-12-05 | 2014-04-02 | 建滔(清远)玻璃纤维有限公司 | Pressure reducing throttle mechanism for air jet loom |
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US3978896A (en) * | 1974-05-21 | 1976-09-07 | Larmit Adrianus Johannes Franc | Weft thread inserting nozzle |
US4127148A (en) * | 1975-03-20 | 1978-11-28 | Ruti-Te Strake B.V. | Weaving machine of the type in which weft insertion is effected by a fluid flow |
US4372348A (en) * | 1980-02-11 | 1983-02-08 | Paul Gunneman | Blowing nozzle having a shielded blowing aperture, adapted for use in a shuttleless weaving machine |
US4585038A (en) * | 1983-12-09 | 1986-04-29 | Sulzer Brothers Limited | Auxiliary blow nozzle for a pneumatic weaving machine |
US4794958A (en) * | 1986-11-21 | 1989-01-03 | Picanol N.V. | Auxiliary nozzle for air jet loom |
US4848416A (en) * | 1986-01-03 | 1989-07-18 | Aktiebolaget Iro | Weft yarn insertion nozzle device |
US4915141A (en) * | 1987-09-25 | 1990-04-10 | Nissan Motor Co., Ltd. | Auxiliary nozzle for air jet loom |
US5588470A (en) * | 1994-07-05 | 1996-12-31 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Weft inserting device for an air jet loom having reed pieces with recessed weft guide openings |
US5649571A (en) * | 1993-12-28 | 1997-07-22 | Nippon Tungsten Co., Ltd. | Sub-nozzle in an air injection type weaving machine |
US6138719A (en) * | 1997-11-20 | 2000-10-31 | Lindauer Dornier Gesellschaft Mbh | Auxiliary blow nozzle for an air jet weaving machine |
US6536482B1 (en) * | 1999-04-14 | 2003-03-25 | Picanol N.V. | Auxiliary nozzle for a weaving machine |
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CS189935B1 (en) * | 1975-09-27 | 1979-05-31 | Vladimir Kuda | Method of and apparatus for weft inserting by lamella comb of jet weaving looms |
JPS6017145A (en) * | 1983-07-04 | 1985-01-29 | 日産自動車株式会社 | Production of auxiliary nozzle of air jet type loom |
JPH0684576B2 (en) * | 1984-02-17 | 1994-10-26 | 株式会社豊田自動織機製作所 | Auxiliary nozzle device for fluid jet loom |
DE3739767A1 (en) * | 1987-11-24 | 1989-06-15 | Dornier Gmbh Lindauer | Supporting nozzle for weaving machines having pneumatic weft insertion |
JPH01174641A (en) * | 1987-12-26 | 1989-07-11 | Nissan Motor Co Ltd | Auxiliary nozzle of air jet type loom |
EP0423066A1 (en) * | 1989-10-13 | 1991-04-17 | GebràDer Sulzer Aktiengesellschaft | Nozzle for air jet loom |
-
2002
- 2002-10-23 BE BE2002/0607A patent/BE1015155A3/en not_active IP Right Cessation
-
2003
- 2003-10-17 JP JP2004545620A patent/JP2006503992A/en active Pending
- 2003-10-17 US US10/527,964 patent/US20060162805A1/en not_active Abandoned
- 2003-10-17 AU AU2003273645A patent/AU2003273645A1/en not_active Abandoned
- 2003-10-17 EP EP03757559A patent/EP1554419A1/en not_active Withdrawn
- 2003-10-17 WO PCT/BE2003/000177 patent/WO2004038077A1/en not_active Application Discontinuation
- 2003-10-17 CN CN200380101868.0A patent/CN1764749A/en active Pending
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US3978896A (en) * | 1974-05-21 | 1976-09-07 | Larmit Adrianus Johannes Franc | Weft thread inserting nozzle |
US4127148A (en) * | 1975-03-20 | 1978-11-28 | Ruti-Te Strake B.V. | Weaving machine of the type in which weft insertion is effected by a fluid flow |
US4372348A (en) * | 1980-02-11 | 1983-02-08 | Paul Gunneman | Blowing nozzle having a shielded blowing aperture, adapted for use in a shuttleless weaving machine |
US4585038A (en) * | 1983-12-09 | 1986-04-29 | Sulzer Brothers Limited | Auxiliary blow nozzle for a pneumatic weaving machine |
US4848416A (en) * | 1986-01-03 | 1989-07-18 | Aktiebolaget Iro | Weft yarn insertion nozzle device |
US4794958A (en) * | 1986-11-21 | 1989-01-03 | Picanol N.V. | Auxiliary nozzle for air jet loom |
US4915141A (en) * | 1987-09-25 | 1990-04-10 | Nissan Motor Co., Ltd. | Auxiliary nozzle for air jet loom |
US5649571A (en) * | 1993-12-28 | 1997-07-22 | Nippon Tungsten Co., Ltd. | Sub-nozzle in an air injection type weaving machine |
US5588470A (en) * | 1994-07-05 | 1996-12-31 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Weft inserting device for an air jet loom having reed pieces with recessed weft guide openings |
US6138719A (en) * | 1997-11-20 | 2000-10-31 | Lindauer Dornier Gesellschaft Mbh | Auxiliary blow nozzle for an air jet weaving machine |
US6536482B1 (en) * | 1999-04-14 | 2003-03-25 | Picanol N.V. | Auxiliary nozzle for a weaving machine |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080000819A1 (en) * | 2006-02-15 | 2008-01-03 | Liquid Separation Technologies And Equipment, Llc | Water decontamination systems |
US20080000821A1 (en) * | 2006-02-15 | 2008-01-03 | Liquid Separation Technologies And Equipment, Llc | Apparatus for water decontamination |
US20080000839A1 (en) * | 2006-02-15 | 2008-01-03 | Liquid Separation Technologies And Equipment, Llc | Methods of water decontamination |
Also Published As
Publication number | Publication date |
---|---|
JP2006503992A (en) | 2006-02-02 |
WO2004038077A1 (en) | 2004-05-06 |
AU2003273645A1 (en) | 2004-05-13 |
CN1764749A (en) | 2006-04-26 |
EP1554419A1 (en) | 2005-07-20 |
BE1015155A3 (en) | 2004-10-05 |
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Owner name: PICANOL N.V., NAAMLOZE VENNOOTSCHAP, BELGIUM Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:PEETERS, JOZEF;REEL/FRAME:016930/0884 Effective date: 20050418 |
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