CN115262290A - Method for quickly forming chemical fiber paper tube - Google Patents
Method for quickly forming chemical fiber paper tube Download PDFInfo
- Publication number
- CN115262290A CN115262290A CN202210680318.3A CN202210680318A CN115262290A CN 115262290 A CN115262290 A CN 115262290A CN 202210680318 A CN202210680318 A CN 202210680318A CN 115262290 A CN115262290 A CN 115262290A
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- China
- Prior art keywords
- die
- mold
- paper tube
- forming
- pushing
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- 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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- 238000000034 method Methods 0.000 title claims abstract description 46
- 239000000835 fiber Substances 0.000 title claims abstract description 15
- 239000000126 substance Substances 0.000 title claims abstract description 15
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 238000005520 cutting process Methods 0.000 abstract description 5
- 238000004804 winding Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- 229920000297 Rayon Polymers 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J3/00—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds
- D21J3/04—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds of tubes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Paper (AREA)
Abstract
The invention discloses a method for quickly forming a chemical fiber paper tube, which comprises the following steps: preparing paper pulp, pouring the paper pulp into a forming die, heating for forming and demolding; the forming die comprises an outer die, an inner die, an upper die and a lower die, wherein the lower die is plate-shaped, the inner die is fixed on the upper surface of the lower die, the lower die is driven to lift by a lower die lifting driving mechanism, the outer die is sleeved on the inner die, a die cavity is formed between the outer die and the inner die, the die cavity is in a shape corresponding to the paper tube, the outer die is driven to rotate by a rotary driving mechanism, the upper die is cylindrical and is positioned right above the die cavity, the upper die is driven by an upper die driving mechanism to be inserted into the die cavity from the upper side of the die cavity, a heating device is arranged in the inner die, and the heating device is used for heating the inner die. The method for quickly forming the chemical fiber paper tube can form the paper tube with a smooth surface in one step, and compared with the production process of the traditional paper tube, the method omits the steps of paper manufacturing, winding, pasting, cutting and the like, shortens the production period of the paper tube, improves the production efficiency and reduces the production cost.
Description
Technical Field
The invention belongs to the technical field of paper tube production, and particularly relates to a method for quickly forming a chemical fiber paper tube.
Background
The chemical fiber paper tube has huge dosage in the spinning field. The existing paper tube is generally produced by firstly producing paper, then winding the paper to form the paper tube, and bonding each layer of paper by viscose. The paper tube is cut into small sections, and then surface polishing and end surface polishing are carried out to ensure that the circumferential surface keeps smooth. The existing paper tube has complex processing process, needs a plurality of processing procedures and has long production period. In each processing procedure and transfer process, especially cutting and polishing procedures, scratches are easily formed on the surface of the paper tube, so that even if the paper tube is polished, the scratches still exist, and the qualification rate of products is influenced. Therefore, the existing paper tube production process needs to be improved, the production cost is further reduced, and the product yield is improved.
Disclosure of Invention
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the method for quickly forming the chemical fiber paper tube comprises the following steps: preparing paper pulp, pouring the paper pulp into a forming die, heating for forming and demoulding;
the forming die comprises an outer die, an inner die, an upper die and a lower die, wherein the lower die is plate-shaped, the inner die is fixed on the upper surface of the lower die, the lower die is driven to lift by a lower die lifting driving mechanism, the outer die is sleeved on the inner die, a die cavity is formed between the outer die and the inner die, the die cavity is in a shape corresponding to that of a paper tube, the outer die is driven to rotate by a rotary driving mechanism, the upper die is cylindrical, the upper die is positioned right above the die cavity, the upper die is driven by an upper die driving mechanism to be inserted into the die cavity from the upper side of the die cavity, and a heating device is arranged in the inner die and used for heating the inner die;
the paper pulp comprises 2-5% of adhesive by weight, and the external mold, the internal mold, the upper mold and the lower mold are coated with release agents;
in the heating forming process, the upper die is inserted into the die cavity to repeatedly extrude paper pulp up and down, after the heating forming is carried out for a period of time, the outer die is driven by the rotary driving mechanism to start to rotate, and the rotating speed of the outer die is increased from low to high.
Preferably, the lower die is provided with an annular groove, the annular groove is internally provided with a pushing ring, the pushing ring is driven by a pushing driving mechanism to be inserted into the die cavity from the lower part of the die cavity, and the pushing ring rises to separate the paper tube from the inner die in the die withdrawing process.
Preferably, the lower die is provided with a plurality of water drainage holes communicated with the annular groove.
Preferably, the upper surface of the pushing ring is provided with a lower process groove with a trapezoidal cross section, the lower process groove is provided with a plurality of micropores respectively communicated with two sides of the pushing ring, the pushing ring is repeatedly lifted for a period of time in the process of pouring paper pulp into the forming mold, and a certain amount of water in the paper pulp in the mold cavity is discharged by utilizing the micropores, the drainage holes and the annular groove.
Preferably, the upper surface of the upper die is provided with an upper process groove with a trapezoidal section, the upper process groove is respectively communicated with the interior of the upper die, the upper die is connected with an exhaust pipe, and the exhaust pipe is connected with a negative pressure fan.
As above-mentioned technical scheme's preferred, lower mould lift actuating mechanism is including lower mould lift cylinder, top pushes away actuating mechanism including a plurality of top pushes away the cylinder, and top pushes away cylinder fixed mounting on the lifter plate, and the dead lever fixed connection lower mould is passed through at the middle part of lifter plate, and the piston rod fixed connection lifter plate of lower mould lift cylinder is equipped with the annular slab between lifter plate and the lower mould, and the piston rod fixed connection annular slab of top pushes away the cylinder, a plurality of ejector pins of fixedly connected with on the annular slab, the upper end fixed connection top throw-out collar of ejector pin, the lower surface of lower mould is equipped with a plurality of mounting holes that supply ejector pin activity male respectively, and the mounting hole communicates the ring channel respectively, is equipped with the sealing washer in the mounting hole, the dead lever passes from the middle activity of annular slab.
Preferably, the rotary driving mechanism includes a rotary motor, the outer mold is rotatably mounted on the fixing frame through a bearing, the outer mold is connected with a gear, the gear and the outer mold are coaxially arranged, and the rotary motor drives the gear to rotate through a chain.
Preferably, the upper mold driving mechanism comprises an upper mold cylinder, and a piston rod of the upper mold cylinder faces vertically downwards and is fixedly connected with the upper end of the upper mold.
Preferably, a trumpet-shaped guide cylinder is connected to the upper end of the outer die.
Preferably, a trumpet-shaped guide cylinder is connected to an upper end of the outer die.
The invention has the beneficial effects that: the method for quickly forming the chemical fiber paper tube can form the paper tube with a smooth surface in one step, and compared with the production process of the traditional paper tube, the method omits the steps of paper manufacturing, winding, pasting, cutting and the like, shortens the production period of the paper tube, improves the production efficiency and reduces the production cost.
Drawings
Fig. 1 is a schematic structural view of a molding die.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
As shown in fig. 1, the method for rapidly forming the chemical fiber paper tube comprises the following steps: preparing paper pulp, pouring the paper pulp into a forming die, heating for forming and demoulding;
the forming die comprises an outer die 1, an inner die 2, an upper die 3 and a lower die 4, wherein the lower die 4 is plate-shaped, the inner die 2 is fixed on the upper surface of the lower die 4, the lower die 4 is driven to lift by a lower die lifting driving mechanism, the outer die 1 is sleeved on the inner die 2, a die cavity 5 is formed between the outer die 1 and the inner die 2, the die cavity 5 has a shape corresponding to a paper tube, the outer die 1 is driven to rotate by a rotary driving mechanism, the upper die 3 is cylindrical and is located right above the die cavity 5, the upper die 3 is driven by the upper die driving mechanism to be inserted into the die cavity 5 from the upper side of the die cavity 5, a heating device 6 is arranged inside the inner die 2, and the heating device 6 is used for heating the inner die 2. The surfaces of the outer mold 1, the inner mold 2, the upper mold 3 and the lower mold 4 are coated with a release agent, a certain amount of pulp mixed with a binder is poured into the mold cavity 5, and the heating device 6 continuously heats the inner mold 2. The paper pulp comprises 2-5% of adhesive by weight, and the external mold, the internal mold, the upper mold and the lower mold are coated with release agents;
the paper pulp contains 2-5% of adhesive by weight, and the external mold 1, the internal mold 2, the upper mold 3 and the lower mold 4 are coated with release agents;
in the heating forming process, the upper die 3 repeatedly descends to press paper pulp, so that the paper pulp in the die cavity 5 is uniform, and air bubbles are discharged. After the pulp is solidified to a certain degree, the outer die 1 starts to rotate, the rotation speed of the outer die 1 is increased from low to high, and the paper tube is separated from the outer die 1. And in cooperation with repeated beating of the upper die 3, part of liquid in the paper pulp is gathered on the surface of the paper tube, which is attached to the outer die 1, and a smooth glue film is gradually formed on the outer surface of the paper tube in the curing process until the paper tube is completely cured and molded. And finally, the upper die rises, the lower die and the inner die drive the paper tube to descend, the inner die is completely separated from the outer die, and the formed paper tube is taken out after continuous heating for a certain time. Compared with the traditional paper tube production process, the steps of paper making, winding and pasting, cutting and the like are omitted, and the production efficiency is improved.
Furthermore, an annular groove 7 is formed in the lower die 4, a pushing ring 8 is arranged in the annular groove 7, and the pushing ring 8 is driven by a pushing driving mechanism to be inserted into the die cavity 5 from the lower side of the die cavity 5. The pushing ring 8 is mainly used for separating the cured and formed paper tube from the inner die 2, and the paper tube demoulding efficiency is improved.
Furthermore, a plurality of water drainage holes 9 communicated with the annular groove 7 are formed in the lower die 4. When paper pulp is just put into the mold cavity 5, the pushing ring 8 is controlled to repeatedly move up and down, so that the paper pulp is homogenized, part of water in the paper pulp can be discharged into the annular groove 7, and finally the paper pulp is discharged from the water discharge hole 9. Then the pushing ring 8 is lifted to the designated height and then kept still, and finally the pulp is solidified and formed.
Further, a lower process groove 10 with a trapezoidal cross section is formed in the upper surface of the ejector ring 8, and a plurality of micropores 11 respectively communicated with the two sides of the ejector ring 8 are formed in the lower process groove 10. The micropores 11 facilitate the drainage of the water content of the pulp into the annular channel 7.
Further, the upper surface of the upper die 3 is provided with an upper process groove 11 with a trapezoidal section, the upper process groove 11 is respectively communicated with the interior of the upper die 3, the upper die 3 is connected with an exhaust pipe, and the exhaust pipe is connected with a negative pressure fan. Like this go up mould 3 and get into die cavity 5 and the in-process of pushing down repeatedly can pass through the quick vapor that takes away the paper tube solidification forming in-process and produce of negative pressure fan, improve paper tube shaping efficiency. The formed portions of the paper tube corresponding to the upper process groove 11 and the lower process groove 10 are removed by end polishing or cutting.
Further, lower mould lift actuating mechanism is including lower mould lift cylinder 12, top pushes away actuating mechanism is including a plurality of top pushes away cylinder 13, top pushes away cylinder 13 fixed mounting on lifter plate 14, the middle part of lifter plate 14 passes through dead lever 15 fixed connection lower mould 4, the piston rod fixed connection lifter plate 14 of lower mould lift cylinder 12, be equipped with annular slab 16 between lifter plate 14 and the lower mould 4, top pushes away piston rod fixed connection annular slab 16 of cylinder 13, fixedly connected with a plurality of push rods 17 on the annular slab 16, the upper end fixed connection top throw-out collar 8 of push rod 17, the lower surface of lower mould 4 is equipped with a plurality of mounting holes 18 that supply push rod 17 activity male respectively, and mounting hole 18 communicates ring channel 7 respectively, is equipped with sealing washer 19 in the mounting hole 18, dead lever 15 passes from the middle activity of annular slab 16. The lower die lifting cylinder 12 drives the lower die 3 and the inner die 2 to lift simultaneously. After the lower die 3 and the inner die 2 descend, the heating device 6 is used for continuously heating for a set time, so that the water content of the formed paper tube reaches the specified requirement. Then the piston rod of the pushing cylinder 13 rises, the pushing ring 8 is driven to rise through the annular plate 16, so that the paper tube is separated from the inner die 2, and finally the paper tube is taken away.
Furthermore, the rotary driving mechanism comprises a rotary motor 20, the outer die 1 is rotatably mounted on a fixed frame 21 through a bearing 22, a gear 23 is connected to the outer die 1, the gear 23 and the outer die 1 are coaxially arranged, and the rotary motor 20 drives the gear 23 to rotate through a chain.
Further, the upper die driving mechanism comprises an upper die cylinder 24, and a piston rod of the upper die cylinder 24 faces downwards vertically and is fixedly connected with the upper end of the upper die 3.
Further, a horn-shaped guide cylinder 25 is connected to the upper end of the outer mold 1. The guide cylinder 25 facilitates pouring of the pulp into the mould cavity 5.
It should be noted that the technical features of the motor, the cylinder, the release agent of the heating device 6, the adhesive, etc. related to the present patent application should be regarded as the prior art, and the specific structure, the operation principle, the control mode and the spatial arrangement mode of the technical features may be adopted by the conventional choice in the field, and should not be regarded as the invention point of the present patent, and the present patent is not further specifically described in detail.
Having described preferred embodiments of the present invention in detail, it is to be understood that modifications and variations may be resorted to without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The method for quickly forming the chemical fiber paper tube is characterized by comprising the following steps of: preparing paper pulp, pouring the paper pulp into a forming die, heating for forming and demolding;
the forming die comprises an outer die, an inner die, an upper die and a lower die, wherein the lower die is plate-shaped, the inner die is fixed on the upper surface of the lower die, the lower die is driven to lift by a lower die lifting driving mechanism, the outer die is sleeved on the inner die, a die cavity is formed between the outer die and the inner die, the die cavity has a shape corresponding to that of a paper tube, the outer die is driven to rotate by a rotary driving mechanism, the upper die is cylindrical, the upper die is positioned right above the die cavity, the upper die is driven by an upper die driving mechanism to be inserted into the die cavity from the upper side of the die cavity, and a heating device is arranged in the inner die and used for heating the inner die;
the paper pulp comprises 2-5% of adhesive by weight, and the external mold, the internal mold, the upper mold and the lower mold are coated with release agents;
in the heating forming process, the upper die is inserted into the die cavity to repeatedly extrude paper pulp up and down, after the paper pulp is heated and formed for a period of time, the outer die is driven by the rotary driving mechanism to start rotating, and the rotating speed of the outer die is increased from low to high.
2. The method for rapidly forming the chemical fiber paper tube as claimed in claim 1, wherein the lower mold is provided with an annular groove, a pushing ring is arranged in the annular groove, the pushing ring is driven by a pushing driving mechanism to be inserted into the mold cavity from below the mold cavity, and the pushing ring is lifted to separate the paper tube from the inner mold during the mold stripping process.
3. The method as claimed in claim 2, wherein the lower mold has a plurality of drainage holes communicating with the annular groove.
4. The method of claim 3, wherein the top surface of the pushing ring has a lower processing groove with a trapezoidal cross-section, the lower processing groove has a plurality of micro-holes respectively connected to two sides of the pushing ring, the pushing ring is repeatedly lifted for a period of time during the process of pouring the pulp into the forming mold, and a certain amount of water in the pulp in the mold cavity is discharged through the micro-holes, the drainage holes, and the annular groove.
5. The method for quickly forming the chemical fiber paper tube as claimed in claim 1, wherein the upper surface of the upper die is provided with an upper process groove with a trapezoidal section, the upper process grooves are respectively communicated with the inside of the upper die, the upper die is connected with an exhaust tube, and the exhaust tube is connected with a negative pressure fan.
6. The method as claimed in claim 2, wherein the lower mold lifting/lowering driving mechanism comprises a lower mold lifting/lowering cylinder, the pushing/lowering driving mechanism comprises a plurality of pushing/lowering cylinders, the pushing/lowering cylinders are fixedly mounted on the lifting plate, the middle portion of the lifting plate is fixedly connected to the lower mold via a fixing rod, the piston rod of the lower mold lifting/lowering cylinder is fixedly connected to the lifting plate, an annular plate is disposed between the lifting plate and the lower mold, the piston rod of the pushing/lowering cylinder is fixedly connected to the annular plate, a plurality of pushing rods are fixedly connected to the annular plate, the upper ends of the pushing rods are fixedly connected to the pushing rings, the lower surface of the lower mold is provided with a plurality of mounting holes for the pushing rods to be movably inserted, the mounting holes are respectively communicated with the annular grooves, sealing rings are disposed in the mounting holes, and the fixing rod is movably passed through the middle of the annular plate.
7. The method for rapidly forming a chemical fiber paper tube as claimed in claim 1, wherein the rotary driving mechanism comprises a rotary motor, the outer mold is rotatably mounted on the fixing frame through a bearing, the outer mold is connected with a gear, the gear and the outer mold are coaxially arranged, and the rotary motor drives the gear to rotate through a chain.
8. The method for quickly forming the chemical fiber paper tube as claimed in claim 1, wherein the upper die driving mechanism comprises an upper die cylinder, and a piston rod of the upper die cylinder is vertically downward and fixedly connected with the upper end of the upper die.
9. The method for quickly forming the chemical fiber paper tube as claimed in claim 1, wherein a trumpet-shaped guide cylinder is connected to the upper end of the outer mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210680318.3A CN115262290B (en) | 2022-06-15 | 2022-06-15 | Chemical fiber paper tube rapid forming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210680318.3A CN115262290B (en) | 2022-06-15 | 2022-06-15 | Chemical fiber paper tube rapid forming method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115262290A true CN115262290A (en) | 2022-11-01 |
| CN115262290B CN115262290B (en) | 2024-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210680318.3A Active CN115262290B (en) | 2022-06-15 | 2022-06-15 | Chemical fiber paper tube rapid forming method |
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| Country | Link |
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| CN (1) | CN115262290B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030150583A1 (en) * | 2000-04-18 | 2003-08-14 | Minoru Goto | Method of producing pulp moldings |
| CN201660810U (en) * | 2010-03-11 | 2010-12-01 | 张夏生 | Lower die and air bag in wet blank compression die device of paper pulp molding equipment |
| CN204687398U (en) * | 2015-05-28 | 2015-10-07 | 孙新安 | A kind of tubing and stuff extrusion forming machine |
| TW201611719A (en) * | 2014-09-26 | 2016-04-01 | Chih-Ping Sung | Paper container for planting and manufacturing method thereof |
| CN105858332A (en) * | 2016-04-26 | 2016-08-17 | 磐安县科力软管有限公司 | Automatic winding-up device |
| CN105887581A (en) * | 2016-05-13 | 2016-08-24 | 湘潭市双环机械设备开发有限公司 | Casting drainage paper tube forming machine |
| CN109203508A (en) * | 2018-08-29 | 2019-01-15 | 江苏赛图新材料科技有限公司 | Horizontal centrifugal forming device and forming process for fiber tube |
| CN209738205U (en) * | 2018-12-29 | 2019-12-06 | 无锡高晟成型科技有限公司 | Demoulding structure of formed product |
-
2022
- 2022-06-15 CN CN202210680318.3A patent/CN115262290B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030150583A1 (en) * | 2000-04-18 | 2003-08-14 | Minoru Goto | Method of producing pulp moldings |
| CN201660810U (en) * | 2010-03-11 | 2010-12-01 | 张夏生 | Lower die and air bag in wet blank compression die device of paper pulp molding equipment |
| TW201611719A (en) * | 2014-09-26 | 2016-04-01 | Chih-Ping Sung | Paper container for planting and manufacturing method thereof |
| CN204687398U (en) * | 2015-05-28 | 2015-10-07 | 孙新安 | A kind of tubing and stuff extrusion forming machine |
| CN105858332A (en) * | 2016-04-26 | 2016-08-17 | 磐安县科力软管有限公司 | Automatic winding-up device |
| CN105887581A (en) * | 2016-05-13 | 2016-08-24 | 湘潭市双环机械设备开发有限公司 | Casting drainage paper tube forming machine |
| CN109203508A (en) * | 2018-08-29 | 2019-01-15 | 江苏赛图新材料科技有限公司 | Horizontal centrifugal forming device and forming process for fiber tube |
| CN209738205U (en) * | 2018-12-29 | 2019-12-06 | 无锡高晟成型科技有限公司 | Demoulding structure of formed product |
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| Publication number | Publication date |
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| CN115262290B (en) | 2024-09-13 |
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