EP3461935B1 - Oiling nozzle - Google Patents
Oiling nozzle Download PDFInfo
- Publication number
- EP3461935B1 EP3461935B1 EP17820155.4A EP17820155A EP3461935B1 EP 3461935 B1 EP3461935 B1 EP 3461935B1 EP 17820155 A EP17820155 A EP 17820155A EP 3461935 B1 EP3461935 B1 EP 3461935B1
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- EP
- European Patent Office
- Prior art keywords
- oil
- feed
- yarn
- section
- curvature
- 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.)
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- 239000003921 oil Substances 0.000 description 163
- 239000000843 powder Substances 0.000 description 13
- 239000000919 ceramic Substances 0.000 description 12
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000002994 raw material Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000008188 pellet Substances 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000011369 resultant mixture Substances 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000001694 spray drying Methods 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000004876 x-ray fluorescence Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/096—Humidity control, or oiling, of filaments, threads or the like, leaving the spinnerettes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H57/00—Guides for filamentary materials; Supports therefor
- B65H57/04—Guiding surfaces within slots or grooves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H71/00—Moistening, sizing, oiling, waxing, colouring or drying filamentary material as additional measures during package formation
- B65H71/007—Oiling, waxing by applying liquid during spooling
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
- D06B1/08—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating from outlets being in, or almost in, contact with the textile material
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/04—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of yarns, threads or filaments
- D06B3/045—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of yarns, threads or filaments in a tube or a groove
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
Definitions
- Sample No. 20 had a longer time of 640 hours until damage was observed in the yarn than in the case of Sample No. 19. This reveals that if in the oiling nozzle, the radii of curvature of the corners on the feed-out section side in the oil reservoirs had a relationship of B1 > B2 > B3 > B4, damage to the yarn 1 is further suppressed.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Mechanical Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Treatment Of Fiber Materials (AREA)
Description
- The disclosure relates to an oiling nozzle.
- For the purpose of guiding yarn in textile machines, yarn guides of various shapes are installed and used in the textile machines. Such yarn guides include what is known as: a roller guide, an oiling nozzle, a rod guide, and a traverse guide, etc. The above-mentioned oiling nozzle is expected to cause less damage, such as scratches and fraying, than otherwise to a yarn guided at a high speed by supplying the optimal amount of oil to the yarn and by attaching the oil more uniformly to the yarn. For example,
Patent Literature 1 discloses an oil-supplying guide including: oil discharge hole formed in a yarn-contact surface; and an oil reservoir adjoining the oil discharge hole. -
JP 2008 303497 A - Patent Literature 1: Japanese Unexamined Patent Application Publication No.
H7 (1995)-252716 - The invention provides an oiling nozzle according to
claim 1. Preferred embodiments are described in the dependent claims. -
-
FIG. 1 is a perspective view schematically illustrating an exemplar oiling nozzle of the disclosure. -
FIG. 2 is a cross-sectional view taken along a yarn path provided in the oiling nozzle illustrated inFIG. 1 . -
FIG. 3 is an enlarged view illustrating the oil reservoir and a vicinity thereof illustrated in the cross-sectional view ofFIG. 2 . - In recent years, to achieve an improved production efficiency, an extremely fast yarn-feeding speed ranging from 3000 to 10000 m/min has been adopted. Hence, for the purpose of suppressing the damage to the yarn, it is necessary to uniformly supply oil to the yarn. In addition, for the purpose of reducing burden on the environment, it is also necessary to reduce the amount of oil to be used.
- The oiling nozzle of the disclosure is operable to supply oil uniformly to the yarn, and thus to suppress damage to the yarn and to reduce the amount of oil to be used. The oiling nozzle of the disclosure will be described in detail below with reference to the drawings.
- As illustrated in
FIG. 1 and FIG. 2 , an oilingnozzle 10 of the disclosure includes: a feed-insection 30, a feed-outsection 40, and amiddle section 20 located between the feed-insection 30 and the feed-outsection 40 and configured to be in contact with ayarn 1. In addition, themiddle section 20 includes: anoil discharge hole 50 located at a position on the feed-insection 30 side; and a plurality of groove-shapedoil reservoirs 60 located at a position on the feed-outsection 40 side of theoil discharge hole 50. The plurality of groove-shapedoil reservoirs 60 are perpendicular to a path of theyarn 1. - Note that the position on the feed-in
section 30 side in themiddle section 20 refers to a position, located in themiddle section 20, that is closer to the feed-insection 30 than to the feed-outsection 40. This means a position on the right-hand side inFIG. 2 . On the other hand, the position on the feed-outsection 40 side in themiddle section 20 refers to a position, located in themiddle section 20, that is closer to the feed-outsection 40 than to the feed-insection 30. This means a position on the left-hand side inFIG. 2 . - Next, the guiding of the
yarn 1 by theoiling nozzle 10 of the disclosure will be described below. Theyarn 1 is fed from the right-hand side inFIG. 2 , enters through the feed-insection 30, slides through themiddle section 20, and advances towards the feed-outsection 40. In the meanwhile, oil is discharged through theoil discharge hole 50 in communication with anoil supply path 70 and is supplied to theyarn 1. In addition, a part of the oil supplied to theyarn 1 moves along with theyarn 1 that advances towards the feed-outsection 40. The part of the oil is gathered in the plurality ofoil reservoirs 60. The oil gathered in the plurality ofoil reservoirs 60 serves as a source of oil to be supplied to theyarn 1 that advances from the feed-insection 30 to the feed-outsection 40. In addition, theoil reservoirs 60 serve as places to store the excess supplied oil. - Note that
FIG. 2 illustrates an exemplar case where fouroil reservoirs 60 are provided, but the number ofoil reservoirs 60 have only to be more than one. Needless to say, two, three, five, ormore oil reservoirs 60 may be provided. - In addition, when cross-sections of the plurality of
oil reservoirs 60 in theoiling nozzle 10 of the disclosure are taken along the path of theyarn 1, thefirst oil reservoir 61--the closest one of the plurality of oil reservoirs to theoil discharge hole 50--has the largest cross-sectional area S1 of all the corresponding cross-sectional areas. With this configuration, theoiling nozzle 10 of the disclosure can quickly optimize the amount of oil needed for theyarn 1. - Specifically, with the above-described configuration, if too much oil is discharged through the
oil discharge hole 50, the excess oil will be stored in thefirst oil reservoir 61. In contrast, if too little oil is discharged through thedischarge hole 50, the oil stored in thefirst oil reservoir 61 will be supplied. Hence, according to theoiling nozzle 10 of the disclosure, the amount of oil needed for theyarn 1 is substantially optimized at the point where theyarn 1 has just passed by thefirst oil reservoir 61. Thus, the damage to theyarn 1 can be suppressed. In addition, as the amount of oil that flows out through the feed-outsection 20 is reduced, the amount of oil to be used can be reduced. - The cross-sectional area mentioned above of each of the plurality of
oil reservoirs 60 may be measured by defining as the measurement-target surface, the cross section taken along the path of theyarn 1. Then, a photo may be taken by use of an optical microscope with a magnification rate of 10 to 100, and then the cross-sectional area may be calculated by use of an image analysis software program. An exemplar image analysis software program that may be used for the above-described purpose is "Eizou-kun" (registered trademark), an image analysis software program manufactured by Asahi Kasei Engineering Corporation. - The cross-sectional areas of the plurality of
oil reservoirs 60 in theoiling nozzle 10 of the disclosure have a relationship of S1 ≥ S2 ≥ ··· ≥ Sn (provided that S1 ≠ Sn), where S1, S2, ···, Sn denote the cross-sectional areas of the plurality ofreservoirs 60 in an order from the one closest to theoil discharge hole 50 to the one remotest from theoil discharge hole 50. Note that in the example illustrated inFIG. 2 , the plurality ofoil reservoirs 60 are afirst oil reservoir 61, asecond oil reservoir 62, athird oil reservoir 63, and afourth oil reservoir 64. Thefirst oil reservoir 61 has a cross-sectional area S1, thesecond oil reservoir 62 has a cross-sectional area S2, thethird oil reservoir 63 has a cross-sectional area S3, and thefourth oil reservoir 64 has a cross-sectional area S4. In this example, as the number of theoil reservoirs 60 is 4, the number n = 4. - If the cross-sectional areas of the
oil reservoirs 60 have a relationship of S1 ≥ S2 ≥ S3 ≥ S4 (provided that S1 ≠ S4), or if the structure has the cross-sectional areas gradually decreasing from theoil discharge hole 50 side towards the feed-outsection 40 side, the optimization of the amount of oil needed for theyarn 1 can be achieved more rapidly. Consequently, damage to theyarn 1 can be suppressed and the amount of oil to be used can be reduced. - Note that some of the exemplar cases where the cross-sectional areas have the relationship of S1 ≥ S2 ≥ S3 ≥ S4 (provided that S1 ≠ S4) are: S1 = S2 = S3 > S4, S1 > S2 = S3 = S4, S1 = S2 > S3 = S4, S1 > S2 > S3 > S4, etc.
- The cross-sectional area S1 of the
first oil reservoir 61 may be from 1.2 times to 2.0 times as large as the cross-sectional area S4 of thefourth oil reservoir 64. With this configuration, damage to theyarn 1 can be further suppressed. - In addition, as illustrated in
FIG. 3 , thefirst oil reservoir 61 has a greater radius of curvature A1 of the corner on the feed-insection 30 side than the radius of curvature B1 of the corner on the feed-outsection 40 side (A1 > Bl). - With this configuration, the oil discharged through the
oil discharge hole 50 is let into theoil reservoir 61 more easily. Hence, while it is easy to supply oil to theyarn 1, it is more difficult for the oil having entered theoil reservoir 61 to exit from theoil reservoir 61. Hence, as the oil can be supplied favorably, damage to theyarn 1 can be further suppressed. - If in any of the other of the plurality of
oil reservoirs 60, the radius of curvature of the corner on the feed-insection 30 side is greater than the radius of curvature of the corner on the feed-outsection 40 side, damage to theyarn 1 is further suppressed. - In addition, the radius of curvature A1 of the corner on the feed-in section side of the
first oil reservoir 61 may be the greatest of all the radii of curvature of the corners on the feed-insection 30 side of the plurality ofoil reservoirs 60. With this configuration, the oil discharged from theoil discharge hole 50 is more easily let into thefirst oil reservoir 61, the closest one to theoil discharge hole 50. Hence, as a sufficient amount of oil can be supplied, damage to theyarn 1 can be further suppressed. - The radii of curvature of corners on the feed-in
section 30 side in the plurality ofoil reservoirs 60 may have a relationship of A1 ≥ A2 ≥ ··· ≥ An (provided that A1 ≠ An), where A1, A2, ···, An denote the radii of curvature of a corner on the feed-in section side in the plurality ofoil reservoir 60 in an order from the closest one to theoil discharge hole 50 to the one remotest from theoil discharge hole 50. With this configuration, entry of too much oil into the remotest oil reservoir from theoil discharge hole 50 is suppressed, and the amount of oil that flows out can be reduced. Hence, as the amount of oil to be used can be reduced, and the oil can be supplied favorably, damage to theyarn 1 can be further suppressed. - In addition, the radius of curvature B1 of the corner on the feed-out
section 40 side of thefirst oil reservoir 61 may be the greatest of all the radii of curvature of corners on the feed-outsection 40 side of the plurality ofoil reservoirs 60. With this configuration, when the oil discharged through theoil discharge hole 50 is supplied, the oil can be smoothly transferred from thefirst oil reservoir 61 to the nextsecond oil reservoir 62. Hence, as a sufficient amount of oil can be supplied, damage to theyarn 1 can be further suppressed. - The radii of curvature of corners on the feed-out
section 40 side in the plurality ofoil reservoirs 60 may have a relationship of B1 ≥ B2 ≥ ··· ≥ Bn (provided that B1 ≠ Bn), where B1, B2, ···, Bn denote the radii of curvature of corners on the feed-outsection 40 side in the plurality ofoil reservoirs 60 in an order from the closest one to theoil discharge hole 50 to the one remotest from the oil discharge hole50. With this configuration, leakage of oil out of the remotest oil reservoir from theoil discharge hole 50 is suppressed, and the amount of oil that flows out can be reduced. Hence, as the amount of oil to be used can be reduced, and the oil can be supplied favorably, damage to theyarn 1 can be further suppressed. - The radius of curvature of the corner on the feed-in
section 30 side of each of the plurality ofoil reservoirs 60 and the radius of curvature of the corner on the feed-outsection 40 side thereof may be measured in a similar manner to the measurement of the cross-sectional area of each of theoil reservoirs 60. Specifically, the cross-section taken along the path of theyarn 1 is defined as the measurement-target surface. Then, a photo of the cross-section may be taken by use of an optical microscope with a magnification rate of 10 to 100, and then the cross-sectional area may be calculated from this photo. - In addition, the material used for the oiling
nozzle 10 of the disclosure is not limited to a specific material. In a case where the oilingnozzle 10 of the disclosure is made from a ceramic, the oilingnozzle 10 generates less frictional heat than an oiling nozzle made from a metal or a resin. Some examples of the ceramics are: alumina ceramics, zirconia ceramics, titania ceramics, silicon carbide ceramics, silicon nitride ceramics, and composite materials of some/all of these mentioned above. - In particular, amongst the ceramics, alumina ceramics are inexpensive materials. Hence, by making the oiling
nozzle 10 of the disclosure from an alumina ceramic, the cost of the oilingnozzle 10 can be reduced. The alumina ceramic refers to a ceramic containing the alumina content of at least 80% by mass of 100% by mass of all the components in the ceramic. - The material of the oiling
nozzle 10 can be identified in the following way. Firstly, the oilingnozzle 10 is measured by use of an X-ray diffractometer (XRD), and from the value of the diffraction angle 2θ, the identification is performed by use of JCPDS cards. Then, by use of an X-ray fluorescence spectrometer (XRF), a quantitative analysis of the components is performed. If, for example, the above-described identification confirms the presence of alumina, and the measurement by the XRF indicates an AL content that can be converted into an alumina (Al2O3) content of at least 80% by mass, the oilingnozzle 10 is determined as one that is made from an alumina ceramic. - Next, an exemplar method of manufacturing the oiling nozzle of the disclosure will be described below. Note that the following description is based on an exemplar case where the oiling nozzle is made of a ceramic.
- Firstly, a mixture of raw material is prepared by mixing the powder of the main raw material (alumina, zirconia, titania, silicon carbide, silicon nitride, or a compound thereof) and a sintering additive at a predetermined ratio. Then, the mixture of raw material and a solvent are put in a ball mill together with balls to grind the mixture of raw material until a predetermined particle size is reached. Thus, a slurry is obtained.
- Then, a binder is added to the slurry thus obtained, and after that the resultant mixture is subjected to a spray drying process by use of a spray dryer. A granular material is thus obtained. Then, the granular material is cast into a mechanical press machine and a certain pressure is applied to obtain a compact powder with a shape of the oiling nozzle.
- The compact powder thus obtained is subjected further to a machining process, etc. Thus a compact powder with a shape of the oiling nozzle including oil reservoirs having different cross-sectional areas from each other is obtained.
- Alternatively, a compact powder may be obtained by: adding a binder after the spray drying of the above-mentioned slurry by use of a spray dryer; then kneading the resultant mixture in a kneader to obtain a pellet; and then performing an injection molding process by use of the resultant pellet. In this case, a suitable mold may be used to give the resultant compact powder the oiling-nozzle shape with oil reservoirs having cross-sectional areas that are different from each other. In addition, the radius of curvature of the corner on the feed-in section side of each oil reservoir and the radius of curvature of the corner on the feed-out section side thereof may be set as desired by performing a machining process, by use of molds of different shapes, or other like method.
- Then, the obtained compact powder with the oiling nozzle shape is fired to obtain the oiling nozzle of the disclosure. If, for example, the oiling nozzle is mainly made from alumina powder, the firing is performed in air atmosphere by keeping the highest temperature ranging from 1450°C to 1750°C for a period ranging from 1 hour to 8 hours.
- Firstly, alumina powder of 99.0% by mass as the main raw material, calcia powder of 0.5% by mass as a sintering additive, and silica power of 0.5% by mass as another sintering additive were weighed and mixed together to obtain a mixture of raw material. Then, the mixture of raw material and a solvent were put in a ball mill together with balls to grind the mixture of raw material until a predetermined particle size was reached. Thus, a slurry was obtained.
- Then, a pellet was obtained by spray drying the slurry by use of a spray dryer, then adding a binder, and after that, kneading the resultant mixture. Then, a compact powder with the shape of the oiling nozzle was obtained by performing an injection molding process by use of the pellet obtained in the above-described way and by use of a mold that can give the resultant compact powder the oiling-nozzle shape with oil reservoirs having cross-sectional areas that are different from each other.
- Then, a sintered compact powered with the oiling nozzle shape was obtained by firing the compact powder with the oiling nozzle shape obtained above in an air atmosphere by keeping the highest temperature of 1680°C for 1 hour. Then, a finishing process was performed by use of a barrel finishing machine to obtain the samples.
- Note that four oil reservoirs were provided and that the oil reservoirs in individual samples had the cross-sectional areas listed in Table 1. The four oil reservoirs are referred to as the first oil reservoir, the second oil reservoir, the third oil reservoir, and the fourth oil reservoir in the order of proximity to the oil discharge hole. In addition, the cross-sectional area of the first oil reservoir is denoted by S1, the cross-sectional area of the second oil reservoir is denoted by S2, the cross-sectional area of the third oil reservoir is denoted by S3, the cross-sectional area of the fourth oil reservoir is denoted by S4. In addition, in the cross-section taken along the yarn path, the corner on the feed-in section side of each oil reservoir had a radius of curvature of 0.34 mm and the corner on the feed-out section side thereof also had a radius of curvature of 0.34 mm.
- Then, a yarn was guided by each sample, and then the length of time until damage was observed in the yarn was measured. The yarn used in this measurement was a 75-denier and 36-filament polyester yarn having a rectangular cross-section and containing 1.2% by mass of titanium oxide with an average crystalline particle diameter of 1.2 µm. An aqueous emulsion oil was used as the oil and was supplied to the yarn in an amount of 2 to 4% by mass of the mass of the yarn. Note that the yarn was fed at a speed of 5000 m/min. Results are shown in Table 1.
[Table 1] Sample No. S1 (mm2) S2 (mm2) S3 (mm2) S4 (mm2) S1/S4 Time (hr) 1 0.30 0.34 0.38 0.42 0.7 350 2 0.42 0.42 0.42 0.42 1.0 370 3 0.42 0.42 0.42 0.38 1.1 400 4 0.42 0.40 0.39 0.38 1.1 460 5 0.42 0.40 0.39 0.35 1.2 490 6 0.42 0.40 0.38 0.28 1.5 510 7 0.42 0.36 0.30 0.25 1.7 500 8 0.42 0.36 0.30 0.23 1.8 490 9 0.42 0.36 0.29 0.21 2.0 480 10 0.42 0.36 0.29 0.19 2.2 440 - The results shown in Table 1 indicate that the length of time until damage was observed in the yarn was a relatively short time of 350 hours for
Sample 1 in which the largest cross-sectional area was S4. In addition, the length of time until damage was observed in the yarn was a relatively short time of 370 hours for Sample No. 2 in which the cross-sectional areas had a relationship of S1 = S2 = S3 = S4. In contrast, the length of time until damage was observed in the yarn was a relatively long time of at least 400 hours for each of the Samples Nos. 3 to 10 in which the largest cross-sectional area was S1. This reveals that the damage to theyarn 1 is suppressed if in the oiling nozzle, the cross-sectional area S1 of the first oil reservoir--the closest oil reservoir to the oil discharge hole--is the largest one of all the cross-sectional areas of the plurality of oil reservoirs. - In addition, a comparison of Samples Nos. 3 and 4 shows that Sample No. 4 having cross-sectional areas gradually decreasing from S1 to S4 had a longer time until damage was observed in the yarn. This reveals that if in the oiling nozzle, the cross-sectional areas had a relationship of S1 > S2 > S3 > S4, damage to the
yarn 1 are further suppressed. - In addition, of all Samples Nos. 3 to 10, Samples Nos. 5 to 9 had longer times of at least 480 hours until damage was observed in the yarn. This reveals that if in the oiling nozzle, the cross-sectional area S1 is 1.2 to 2.0 times as large as the cross-sectional area S4, damage to the
yarn 1 are further suppressed. - Next, samples were fabricated so that the radius of curvature of the corner on the feed-in section side in the first oil reservoir differed from the radius of curvature of the corner on the feed-out section side therein. Note that the method of fabricating each sample was the same as the method of fabricating Sample No. 6 in Example 1 except that the radii of curvature of the corners on the feed-out section side in the first oil reservoir of the samples were as listed in Table 2. It should be noted that Sample No. 11 is identical to Sample No. 6 in Example 1. In the first oil reservoir, the radius of curvature of the corner on the feed-in section side is denoted by A1, and the radius of curvature of the corner on the feed-out section side is denoted by B1.
- Then, a yarn was guided by each sample, and then the length of time until damage was observed in the yarn was measured in the same way as in Example 1. Results are shown in Table 2.
[Table 2] Sample No. A1 B1 Time (mm) (mm) (hr) 11 0.34 0.34 510 12 0.34 0.21 540 - The results shown in Table 2 indicate that Sample No. 12 had a longer time of 540 hours until damage was observed in the yarn than in the case of Sample No. 11. This reveals that if in the oiling nozzle, the radius of curvature A1 of the corner on the feed-in section side in the first oil reservoir is larger than the radius of curvature B1 of the corner on the feed-out section side therein, damage to the
yarn 1 is further suppressed. - Next, samples were fabricated so that the radius of curvature of the corner on the feed-in section side in each of a plurality of oil reservoirs differed from the radius of curvature of the corner on the feed-out section side therein. Note that the method of fabricating each sample was the same as the method of fabricating Sample No. 12 in Example 2 except that the radii of curvature of the corners on the feed-out section side in the plurality oil reservoirs of the samples were as listed in Table 3. It should be noted that Sample No. 13 is identical to Sample No. 12 in Example 2. In the second oil reservoir, the radius of curvature of the corner on the feed-in section side is denoted by A2, and the radius of curvature of the corner on the feed-out section side is denoted by B2. In addition, in the third oil reservoir, the radius of curvature of the corner on the feed-in section side is denoted by A3, and the radius of curvature of the corner on the feed-out section side is denoted by B3. In addition, in the fourth oil reservoir, the radius of curvature of the corner on the feed-in section side is denoted by A4, and the radius of curvature of the corner on the feed-out section side is denoted by B4.
- Then, a yarn was guided by each sample, and then the length of time until damage was observed in the yarn was measured in the same way as in Example 1. Results are shown in Table 3.
[Table 3] Sample No. A1 B1 A2 B2 A3 B3 A4 B4 Time (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (hr) 13 0.34 0.21 0.34 0.34 0.34 0.34 0.34 0.34 540 14 0.34 0.21 0.34 0.21 0.34 0.21 0.34 0.21 560 - The results shown in Table 3 indicate that Sample No. 14 had a longer time of 560 hours until damage was observed in the yarn than in the case of Sample No. 13. This reveals that if in the oiling nozzle, the radii of curvature of the corners on the feed-in section side in the plurality of oil reservoirs are larger than the radii of curvature of the corners on the feed-out section side therein, damage to the
yarn 1 is further suppressed. - Next, samples were fabricated so that the radii of curvature of the corners on the feed-in section side in a plurality of oil reservoirs differed from each other. Note that the method of fabricating each sample was the same as the method of fabricating Sample No. 14 in Example 3 except that the radii of curvature of the corners on the feed-in section side in the plurality oil reservoirs of the samples were as listed in Table 4. It should be noted that Sample No. 15 is identical to Sample No. 14 in Example 3.
- Then, a yarn was guided by each sample, and then the length of time until damage was observed in the yarn was measured in the same way as in Example 1. Results are shown in Table 4.
[Table 4] Sample No. A1 A2 A3 A4 Time (mm) (mm) (mm) (mm) (hr) 15 0.34 0.34 0.34 0.34 560 16 0.34 0.30 0.32 0.27 580 17 0.34 0.32 0.30 0.27 600 - The results shown in Table 4 indicate that Samples Nos. 16 and 17 had longer times of at least 580 hours until damage was observed in the yarn than in the case of Sample No. 15. This reveals that if in the oiling nozzle, of all the radii of curvature of the corners on the feed-in section side in the plurality of oil reservoirs, the radius of curvature A1 of the corner on the feed-out section side in the first oil reservoir is the largest, damage to the
yarn 1 is further suppressed. - In addition, Sample No. 17 had a longer time of 600 hours until damage was observed in the yarn than in the case of Sample No. 16. This reveals that if in the oiling nozzle, the radii of curvature of the corners on the feed-in section side in the oil reservoirs had a relationship of A1 > A2 > A3 > A4, damage to the
yarn 1 is further suppressed. - Next, samples were fabricated so that the radii of curvature of the corners on the feed-out section side in a plurality of oil reservoirs differed from each other. Note that the method of fabricating each sample was the same as the method of fabricating Sample No. 17 in Example 4 except that the radii of curvature of the corners on the feed-out section side in the plurality oil reservoirs of the samples were as listed in Table 5. It should be noted that Sample No. 18 is identical to Sample No. 17 in Example 4.
- Then, a yarn was guided by each sample, and then the length of time until damage was observed in the yarn was measured in the same way as in Example 1. Results are shown in Table 5.
[Table 5] Sample No. B1 B2 B3 B4 Time (mm) (mm) (mm) (mm) (hr) 18 0.21 0.21 0.21 0.21 600 19 0.21 0.19 0.20 0.18 620 20 0.21 0.20 0.19 0.18 640 - The results shown in Table 5 indicate that Samples Nos. 19 and 20 had longer times of at least 620 hours until damage was observed in the yarn than in the case of Sample No. 18. This reveals that if in the oiling nozzle, of all the radii of curvature of the corners on the feed-out section side in the plurality of oil reservoirs, the radius of curvature B1 of the corner on the feed-out section side in the first oil reservoir is the largest, damage to the
yarn 1 is further suppressed. - In addition, Sample No. 20 had a longer time of 640 hours until damage was observed in the yarn than in the case of Sample No. 19. This reveals that if in the oiling nozzle, the radii of curvature of the corners on the feed-out section side in the oil reservoirs had a relationship of B1 > B2 > B3 > B4, damage to the
yarn 1 is further suppressed. -
- 1:
- Yarn
- 10:
- Oiling nozzle
- 20:
- Inter-mediate section
- 30:
- Feed-in section
- 40:
- Feed-out section
- 50:
- Oil discharge hole
- 60:
- Oil reservoir
- 61:
- First oil reservoir
- 62:
- Second oil reservoir
- 63:
- Third oil reservoir
- 64:
- Fourth oil reservoir
- 70:
- Oil supply path
Claims (5)
- An oiling nozzle (10) comprising:a feed-in section (30);a feed-out section (40); anda middle section (20) located between the feed-in section (30) and the feed-out section (40) and configured to be in contact with a yarn (1),wherein the middle section (20) includes:an oil discharge hole (50) located at a position on the feed-in section (30) side; anda plurality of groove-shaped oil reservoirs (60) located at a position on the feed-out section (40) side of the oil discharge hole (50) and perpendicular to a path of the yarn (1)wherein cross-sectional areas in the plurality of oil reservoirs (60) have a relationship of S1 ≥ S2 ≥ ··· ≥ Sn,provided that S1 ≠ Sn,where S1, S2, ···, Sn denote the cross-sectional areas of the plurality of oil reservoirs (60) in an order from the one closest to the oil discharge hole (50) to the one remotest from the oil discharge hole (50); andwherein the first oil reservoir (61) has a larger radius of curvature of a corner between the yarn-guiding-surface of the middle section (20) and the groove of the first oil reservoir (61) on the feed-in section (30) side than a radius of curvature of a corner between the yarn-guiding-surface of the middle section (20) and the groove of the first oil reservoir (61) on the feed-out section (40) side.
- The oiling nozzle (10) according to claim 1,
wherein the cross-sectional area S1 is from 1.2 to 2.0 times as large as the cross-sectional areas Sn. - The oiling nozzle (10) according to claim 1 or 2, wherein each of the plurality of oil reservoirs (60) has a larger radius of curvature of a corner between the yarn-guiding-surface of the middle section (20) and the groove of the oil reservoir on the feed-in section (30) side than a radius of curvature of a corner between the yarn-guiding-surface of the middle section (20) and the groove of the oil reservoir on the feed-out section (40) side.
- The oiling nozzle (10) according to any one of claims 1 to 3,
wherein radii of curvature of corners between the yarn-guiding-surface of the middle section (20) and the respective grooves of the plurality of oil reservoirs (60) on the feed-in section (30) side have a relationship of A1 ≥ A2 ≥ ··· ≥ An, provided that A1 ≠ An,
where A1, A2, ···, An denote the radii of curvature of corners between the yarn-guiding-surface of the middle section (20) and the respective grooves of the plurality of oil reservoirs (60) on the feed-in section (30) side in an order from the closest one to the oil discharge hole (50) to the one remotest from the oil discharge hole (50). - The oiling nozzle (10) according to any one of claims 1 to 4,
wherein radii of curvature of corners between the yarn-guiding-surface of the middle section (20) and the respective grooves of the plurality of oil reservoirs (60) on the feed-out section (40) side have a relationship of B1 ≥ B2 ≥ ··· ≥ Bn, provided that B1 ≠ Bn,
where B1, B2, ···, Bn denote the radii of curvature of corners between the yarn-guiding-surface of the middle section (20) and the respective grooves of the plurality of oil reservoirs (60) on the feed-out section (40) side in an order from the closest one to the oil discharge hole (50) to the one remotest from the oil discharge hole (50).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016128973 | 2016-06-29 | ||
PCT/JP2017/023584 WO2018003801A1 (en) | 2016-06-29 | 2017-06-27 | Oiling nozzle |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3461935A1 EP3461935A1 (en) | 2019-04-03 |
EP3461935A4 EP3461935A4 (en) | 2019-06-19 |
EP3461935B1 true EP3461935B1 (en) | 2020-11-18 |
Family
ID=60787201
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP17820155.4A Active EP3461935B1 (en) | 2016-06-29 | 2017-06-27 | Oiling nozzle |
Country Status (4)
Country | Link |
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EP (1) | EP3461935B1 (en) |
JP (1) | JP6680879B2 (en) |
CN (1) | CN109415845B (en) |
WO (1) | WO2018003801A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPWO2021111548A1 (en) * | 2019-12-04 | 2021-06-10 | ||
JP2023098125A (en) * | 2021-12-28 | 2023-07-10 | Tmtマシナリー株式会社 | Oil supply guide, textile machine, and false twisting machine |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58113779U (en) * | 1982-01-28 | 1983-08-03 | 帝人株式会社 | Yarn oil application device |
US4926661A (en) * | 1989-03-15 | 1990-05-22 | E. I. Du Pont De Nemours And Company | Yarn finish applicator |
JPH07252716A (en) * | 1994-03-09 | 1995-10-03 | Yuasa Itomichi Kogyo Kk | Oil-feeding guide |
JPH10102315A (en) * | 1996-09-30 | 1998-04-21 | Kyocera Corp | Oiling nozzle |
JP2008303497A (en) * | 2007-06-07 | 2008-12-18 | Jtc:Kk | Oil supply guide |
DE102011018179A1 (en) * | 2011-04-19 | 2012-10-25 | Oerlikon Textile Gmbh & Co. Kg | Device for applying fluid to running multifilament thread, has non-contact and contact surfaces allowed to form surface portion in groove base along longitudinal direction with specific radius of curvature to enable wetting of thread |
CN205295554U (en) * | 2015-10-27 | 2016-06-08 | 汤浅丝道工业株式会社 | It is glib |
CN105401235A (en) * | 2015-11-27 | 2016-03-16 | 扬州锦辉化纤有限公司 | Oiling device for chemical fiber production |
DE102016011314A1 (en) * | 2016-09-20 | 2018-03-22 | Oerlikon Textile Gmbh & Co. Kg | Preparation thread guide for applying a fluid to a running filament bundle |
-
2017
- 2017-06-27 WO PCT/JP2017/023584 patent/WO2018003801A1/en unknown
- 2017-06-27 CN CN201780039805.9A patent/CN109415845B/en active Active
- 2017-06-27 EP EP17820155.4A patent/EP3461935B1/en active Active
- 2017-06-27 JP JP2018525179A patent/JP6680879B2/en active Active
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
---|---|
JPWO2018003801A1 (en) | 2019-04-04 |
EP3461935A1 (en) | 2019-04-03 |
EP3461935A4 (en) | 2019-06-19 |
CN109415845B (en) | 2021-10-22 |
JP6680879B2 (en) | 2020-04-15 |
WO2018003801A1 (en) | 2018-01-04 |
CN109415845A (en) | 2019-03-01 |
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