WO2006077883A1 - 生理用タンポンの製造方法及び製造装置 - Google Patents
生理用タンポンの製造方法及び製造装置 Download PDFInfo
- Publication number
- WO2006077883A1 WO2006077883A1 PCT/JP2006/300639 JP2006300639W WO2006077883A1 WO 2006077883 A1 WO2006077883 A1 WO 2006077883A1 JP 2006300639 W JP2006300639 W JP 2006300639W WO 2006077883 A1 WO2006077883 A1 WO 2006077883A1
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- WIPO (PCT)
- Prior art keywords
- cord
- sewing
- batting
- pieces
- cords
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/20—Tampons, e.g. catamenial tampons; Accessories therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/20—Tampons, e.g. catamenial tampons; Accessories therefor
- A61F13/2082—Apparatus or processes of manufacturing
- A61F13/2085—Catamenial tampons
Definitions
- the present invention relates to a manufacturing method for efficiently producing a sanitary tampon and a manufacturing apparatus for performing the manufacturing method.
- a sanitary tampon in which a cord-like cord is sewn on a small piece of batting (see, for example, Patent Document 1).
- a continuous cord-like cord before cutting is supplied so as to follow the surface of the batting pieces arranged continuously with a predetermined gap, and then the machine is processed along the cord.
- a sanitary tampon is obtained as an intermediate processed product in which a plurality of batting pieces are connected to each other through a continuous cord. Thereafter, the cord is appropriately cut, and the batting pieces are rounded and accommodated in an applicator to obtain a tampon for use as a final product.
- the production efficiency of the sanitary tampon by the above manufacturing method depends on the performance of the sewing machine for sewing the cord, particularly the sewing speed, which is the sewing length per unit time, and exceeds the performance of the sewing machine. As a result, it is difficult to increase production efficiency.
- Patent Document 1 Japanese Patent Laid-Open No. 2001-8964
- the present invention has been made in view of the above-described conventional problems, and is intended to provide a method for manufacturing a sanitary tampon with high production efficiency and a manufacturing apparatus for carrying out this manufacturing method. is there.
- the first invention is a sanitary tambo formed by sewing a cord-like cord on a small piece of batting.
- At least two or more of the above-mentioned cords in the form of a continuous string are respectively provided on the surface of at least two or more of the above-mentioned batting pieces continuously arranged along the sewing line that is the sewing direction of the sewing machine.
- a code placement step that is placed in parallel so as to be substantially parallel to the line;
- a first cord sewing step for sewing the cord to one of the two pieces of the above-mentioned two pieces of cotton pad arranged adjacent to each other;
- a second cord sewing step for sewing the cord to the other one of the two pieces
- a cord switching step for switching the cord to be sewn to the padding between the first cord sewing and attaching step and the second cord sewing and attaching step;
- Performing a separation step of cutting a thread which is a sewing thread for sewing, passed between the cord sewn on the one batting piece and the cord sewn on the other batting piece.
- a method for producing a sanitary tampon characterized by the above.
- the method for producing a sanitary tampon according to the first aspect of the invention, first, at least two or more continuous string-like shapes are formed on the surface of at least two or more pieces of the above-mentioned batting pieces continuously arranged.
- the code placement step of placing the above codes in parallel is performed.
- the cord switching step for switching the cord to be sewn to the batting piece is performed during the attaching step and the second cord sewing step for sewing the cord to the other batting piece. .
- a separation step of cutting the thread passed between the cord sewn on the one batting piece and the cord sewn on the other batting piece is performed.
- the same performance is achieved. While using a sewing machine, the sanitary tampon can be efficiently produced by multiplying the number of the cords arranged in parallel as described above by 2 or 3 times the number.
- an intermediate processed product obtained by continuously sewing the above-mentioned batting pieces on one continuous cord-like cord is arranged in parallel according to the number of cords arranged in parallel. Obtainable. Therefore, according to the above manufacturing method, the production efficiency can be improved by a factor of 2 or 3 depending on the number of codes arranged in parallel.
- the production efficiency of the sanitary tampon can be significantly improved.
- a second invention is an apparatus for manufacturing a sanitary tambon formed by sewing a cord-like cord on a small piece of batting.
- a sewing unit including a sewing machine configured to sew the cord to the batting piece by a thread which is a sewing thread for sewing;
- a conveying unit configured to continuously convey the filling pieces and to supply the filling pieces to the sewing machine unit;
- a cord supply unit configured to supply at least two or more continuous cord-like cords in parallel along the surface of the batting piece conveyed to the conveyance unit;
- a cord switching unit configured to switch the cord to be sewn between the above-mentioned pieces of batting;
- a thread cutting unit configured to cut the thread passed between the different codes
- the cord switching unit includes a cord guide that restrains the position of the cord in the parallel direction with respect to the padding piece, and the sewing machine is sewn in the sewing direction by the advancement and retraction of the cord guide in the parallel direction.
- the sanitary tampon manufacturing apparatus is configured to switch the cords located on a certain sewing line.
- the sanitary tampon manufacturing apparatus includes a cord guide that restrains the position of each cord in the parallel direction with respect to the batting piece, and the parallel direction of the cord guide
- the cord switching unit is configured to switch the cord located on the sewing line by the forward / backward movement operation. Then, the cord switching unit switches the cord to be sewn between the two pieces of the batting pieces conveyed next to each other.
- the above-mentioned batting piece is continuously applied to the continuous cord-like cord.
- a plurality of intermediate processed products can be manufactured in parallel. Therefore, according to this manufacturing apparatus for a medical tampon, as compared with a manufacturing apparatus that sews only one continuous string-like cord to the above-mentioned batting piece arranged with a predetermined gap.
- the sewing machine unit having the same performance the sanitary tampon of the number multiplied by 2 or 3 times according to the number of the cords arranged in parallel as described above can be efficiently used. Can be manufactured.
- the sanitary tampon manufacturing apparatus of the second invention has an excellent performance capable of manufacturing a sanitary tampon extremely efficiently.
- FIG. 1 is a top view of a sanitary tampon manufacturing apparatus in Embodiment 1.
- FIG. 2 is a side view of a sanitary tampon manufacturing apparatus according to the first embodiment.
- FIG. 3 is a front view showing a sanitary tampon according to the first embodiment.
- FIG. 4 is a cross-sectional view showing a cross-sectional structure of a sewing machine in Example 1.
- FIG. 5 is a top view showing the sewing machine in Example 1 (a view taken along the line BB in FIG. 4).
- FIG. 6 is a cross-sectional view showing the code guide in Example 1 (cross section along the parallel direction of the cord).
- FIG. 7 is an explanatory diagram for explaining the operation of the code guide in the first embodiment.
- FIG. 8 is an explanatory diagram for explaining the operation of the thread cutting unit in the first embodiment (in FIG. 1).
- FIG. 9 is a side view showing a thread cutting unit according to the second embodiment.
- FIG. 10 is a top view showing another sanitary tampon manufacturing apparatus in Example 2.
- FIG. 11 is a perspective view showing a footer constituting the cord switching unit in the third embodiment.
- FIG. 12 is a perspective view showing another combination of a code guide and a footer in Example 3.
- the code switching step according to the first aspect of the present invention includes a method of moving the sewing machine forward and backward in the parallel direction of the code with respect to the code arranged in parallel.
- the cords positioned on the sewing line are switched by translating the cords along the parallel direction of the cords.
- the positions where the cords are sewn on the batting pieces can be made substantially constant. it can.
- the cord switching unit is synchronized with the sewing operation of the sewing machine unit, while the sewing machine needle, which is the sewing needle of the sewing machine, is retracting the batting piece and the cord force.
- the above-mentioned code guide is configured to advance and retract. In this case, when the cord guide translates the cords, the stress acting on the sewing machine dollar can be suppressed to prevent troubles occurring in the sewing machine unit.
- the cord supply unit is configured to supply two cords
- the thread cutting unit is configured to sew one of the above-mentioned two pieces of the batting pieces sewn together.
- the surface of the rotator configured to rotate and rotate approximately 1Z4 in the rotational direction away from the other cord force that is not sewn, with the cord as the center axis of rotation, and the two adjacent padding pieces that have been rotated
- a cutting cutter that is positioned so as to be inserted into the gap between the two cords and configured to cut the thread.
- This example relates to a manufacturing method and a manufacturing apparatus 1 for efficiently manufacturing the sanitary tampon 5. This will be described with reference to FIGS.
- the method for producing the sanitary tampon 5 in this example relates to a method for producing the sanitary tampon 5 in which the cord-like cord 52 is sewn to the small batting piece 51 as shown in FIGS. To do.
- the manufacturing method of the sanitary tampon 5 is such that at least the surface of at least two padding pieces 51 arranged continuously along the sewing line 20 (see FIG. 5), which is the sewing direction of the sewing machine 21, is attached to the surface.
- a cord placement step in which two or more continuous cord-like cords 52 are arranged in parallel so as to be substantially parallel to the sewing line 20, respectively, and two pieces of batting pieces 51 arranged adjacent to each other 51 1st cord sewing V to sew cord 52 to one of the cotton pad pieces, and the second step to sew and attach cord 52 to the other cotton pad piece of the above two pieces of cotton pad 51 Sewing and attaching step and the first code sewing and attaching step and the second
- the cord switching step for switching the cord 52 to be sewn on the batting piece 51, the cord 52 sewn on the one batting piece 51, and the other batting piece 51
- the separation step of cutting the thread 53 passed between the attached code 52 and the attached code 52 is performed.
- This sanitary tampon 5 is obtained by sewing a cord 52 along a center line 510 of a small piece of batting piece 51 as shown in FIG. And the sanitary tampon 5 as the final product is obtained by inserting the batting piece 51 rounded along the center line 510 into a substantially cylindrical applicator (not shown) and storing it.
- the batting piece 51 of this example is formed by wrapping a laminated cotton pad and rayon pad with a nonwoven fabric.
- the batting piece 51 has a substantially rectangular sheet shape and has a substantially symmetrical shape with respect to the center line 510.
- One end that intersects the center line 510 has a concave wedge shape.
- the other end portion that intersects the center line 510 has a convex wedge shape corresponding to the concave wedge-shaped cut shape of the one end portion.
- a cord 52 made of cotton material is sewn along the center line 510 with a thread 53, which is a sewing thread for sewing, as shown in FIG.
- the thread 53 is made of a cotton material.
- the tip of the cord 52 on the end side of the concave wedge shape is located within the range of the concave distance G of the concave wedge shape. That is, the tip of the cord 52 is located between the portion that is located away from the center line 510 and protrudes outward along the center line 510 and the bottom portion of the concave wedge shape that is located on the center line 510. is doing.
- the cord 52 is prevented from protruding even by the tip force of the rounded padding 51.
- the end force of the convex wedge shape of the batting piece 51 is also positioned approximately 140 mm longer.
- the thread 53 is sewn to a position in the middle of the cord 52 that includes the overlapping portion with the padding 51 and extends to the end of the convex wedge shape. It is.
- the sanitary tampon manufacturing apparatus 1 of this example includes a sewing machine 2 1 configured to sew a cord 52 to a padding piece 51 by a thread 53 which is a sewing thread for sewing as shown in FIGS. 1 and 2.
- the transport unit 3 configured to continuously transport the sewing machine unit 2 and the batting pieces 51 and continuously supply the batting pieces 51 to the sewing machine unit 2 and the surface of the batting pieces 51 conveyed to the transport unit 3
- the cord 52 to be sewn between the cord supply unit 4 configured to supply two continuous cord-like cords 52 in parallel to each other and the two batting pieces 51 conveyed adjacent to each other
- a cord switching unit 6 configured to switch, and a thread cutting unit 7 configured to cut a thread 53 passed between different cords 52 are provided.
- the cord switching unit 6 includes a cord guide 61 that restrains the position of the cords 52 in the parallel direction as shown in FIG.
- the code guide 61 is configured to switch the cord 52 positioned on the sewing line 20 (see FIG. 5), which is the sewing direction of the sewing machine 21, by the advance and retreat of the code guide 61 in the parallel direction.
- the sewing machine 21 provided in the sewing machine unit 2 includes a sewing needle 211 that supports a thread 53 as an upper thread as shown in FIGS. 4 and 5, a shuttle 214 that houses a thread 53 as a lower thread, Sewing machine-One dollar 211 swings in synchronization with the stroke of the 211, conveys the placed pad 51, and a footer that integrally sandwiches the cord 52 and the pad 51 between the machine bed 212 213.
- the sewing machine 21 of the present example is configured to perform sewing processing in a substantially straight line along the sewing line 20 that is the sewing direction of the thread 53.
- the footer 213 has a shape like a ski, and the ski-shaped tip is directed to the upstream side of the sewing line 20.
- the footer 213 is configured so that a through hole is provided in a substantially flat surface that presses the sewing object, and the sewing needle 211 is stroked in the through hole.
- the transport unit 3 includes a conveyor belt 31 for placing and transporting a batting piece 51 as shown in Figs.
- a suction hole connected to a suction port of a vacuum pump (not shown) is opened on the surface of the conveyor belt 31.
- the conveyor belt 31 is configured to adsorb and hold the batting pieces 51 in the adsorbing holes held at a negative pressure.
- the above-mentioned center line 5 The transport unit 3 is configured to transport each batting piece 51 along the line 10.
- the manufacturing apparatus 1 of this example continuously connects the above-mentioned small piece of batting pieces 51 from the continuous sheet-like batting sheet 51 1 1 to the upstream side of the transport unit 3 in the process.
- a cutting unit 35 is provided for cutting out automatically (not shown in Fig. 1).
- This cutting unit 35 has a cut-and-slip mechanism.
- the cut-and-slip mechanism is configured such that a predetermined gap is provided in a small piece of the batting piece 51 continuously cut from the batting sheet 51 1 and the bow I is passed to the conveying unit 3.
- the cord supply unit 4 of the present example has two continuous string-like cords 52 on the surface of the batting piece 51 to be transported to the transport unit 3 as shown in Figs.
- the sewing line 20 is configured to be supplied in parallel so as to be substantially parallel to the sewing line 20 (see FIG. 5).
- the cord supply unit 4 includes a reel shaft 42 that holds a bobbin 520 around which the cord 52 is wound, and a tensioner 43 that applies a predetermined tension to the cord 52.
- a cord cutter 45 that cuts the cord 52 for each sanitary tampon 5 is provided on the tip side of the cord 52 opposite to the reel shaft 42 (omitted in FIG. 1). 45 is a cutting position close to the end of the concave wedge shape while integrally holding the batting piece 51 and the cord 52 extending to the concave wedge-shaped end side of the batting piece 51. It is configured to cut 52.
- the manufacturing apparatus 1 may be configured by omitting the cord cutter 45 described above. In this case, it is possible to obtain an intermediate processed product in which the batting pieces 51 are continuously sewn to the continuous cord 52. Based on this intermediate processed product, the individual sanitary tampon 5 can be obtained by cutting the cord 52 in a later step.
- the cord switching unit 6 is configured to switch the cord 52 to be sewn between two pieces of batting strips 51 that are conveyed adjacent to each other as shown in Figs.
- the code switching unit 6 of this example includes a cord guide 61 that integrally holds two cords 52 arranged in parallel along the surface of the batting piece 51.
- This cord guide 61 is provided with two groove-like cord grooves 6 1 1 for accommodating and holding the cord 52 on the surface 6 10 facing the batting strip 51. .
- the cord guide 61 advances and retreats in the parallel direction of the two cords 52 (in the direction of the arrow shown in FIG. 6), and is positioned on the sewing line 20 (see FIG. 5) of the sewing machine 21 by the advance and retreat operation. It is configured to switch code 52.
- the thread 53 is sewn over the entire length of the cord 52 in the sanitary tampon 5 as the final product as described above.
- the cord guide 61 is moved forward and backward to switch the cord 52 to be sewn at a position immediately before the end of the concave wedge shape of the padding piece 51 (position indicated by X in the figure).
- the cord switching unit 6 is also effective to configure the cord switching unit 6 so that the cord guide 61 advances and retreats in synchronization with the lifting / lowering stroke of the sewing machine-one dollar 211 of the sewing unit 2.
- the code guide 61 moves back and forth at the timing when the sewing machine-one dollar 211 passes through the code 52. Therefore, as compared with the case where the cord switching unit 6 and the sewing machine unit 2 are operated asynchronously, the stress that may be applied to the sewing machine-one dollar 211 according to the advancement / retraction of the code guide 61 can be suppressed.
- the cord 52 in this example is made of a flexible material. Therefore, even when both are operated asynchronously, the stress acting on the sewing machine-one dollar 211 may be slightly increased, but the effects of the present invention can be sufficiently obtained.
- the thread cutting unit 7 includes a cutting cutter 71 for cutting the thread 53 as shown in FIG. 1, FIG. 2, and FIG.
- the thread cutting unit 7 of this example has a rotator 72 (Fig. 2) configured to selectively rotate the batting piece 51 sewn with the cord 53 clockwise or counterclockwise by approximately 90 degrees (approximately 1Z4 rotation). in optional.) and adsorbs cotton piece 51 after being rotated and a suction mechanism 723 (not shown in Figure 2.) 0
- the suction mechanism 723 includes two suction surfaces 723S facing each other with a certain gap.
- Each suction surface 723S is provided with a number of suction holes communicating with a vacuum pump (not shown) on the surface.
- the adsorption mechanism 723 is configured to adsorb the batting pieces 51 on the respective adsorbing surfaces 723S so that the posture of the batting pieces 51 rotated by the rotator 72 is maintained.
- the rotator 72 is the center of rotation of one of the sewn cords 52 for each batting piece 51.
- the shaft is configured to rotate approximately 1Z4 in the direction of rotation away from the other cord 52.
- This rotator 72 is a member having a curved cross-sectional shape as shown in FIGS. 1 and 8, and has two pairs of rotating blades each having a rotating shaft 721 disposed along a central axis. is doing.
- the rotary shaft 721 is connected to a control motor (not shown), and the rotary blades 722A and 722B are configured to rotate according to the rotation of the control motor.
- the rotor blades 722A and 722B act as arms for rotating the batting piece 51 at the radially outer portion around the rotating shaft 721. That is, the rotary blades 722A, B are configured to interfere with the portion on the near side of the sewn cord 52 and rotate the batting piece 51.
- first rotary blade 722A that rotates the batting piece 51 about 90 degrees clockwise and a second rotary blade 722B that rotates 90 degrees counterclockwise.
- the first rotary blade 722A is positioned on the right side in the conveying direction of the batting piece 51, and is configured to rotate counterclockwise.
- the first rotary blade 722A is configured to rotate the batting piece 51 sewn with the cord 52 on the left side of the cords 52 arranged in parallel in the conveying direction of the batting piece 51 in the clockwise direction. is there.
- the second rotary blade 722B is located on the left side in the conveying direction of the padding piece 51 as shown in FIG. 8, and rotates clockwise (the rotation indicated by the arrow in the figure). Direction).
- the second rotary blade 722B sews the cord 52 on the right side against the feeding direction of the batting piece 51 and rotates the attached batting piece 51 counterclockwise (in the figure, The rotation direction indicated by the arrow.)
- the cutting cutter 71 is divided into two pieces along the surface of the two adjacent cotton pad pieces 51 rotated as described above as shown in FIGS. It is arranged at the position where it is inserted into the gap of the cord 52. According to this cutting cutter 71, the thread 53 passed between the different cords 52 is sequentially cut along with the conveying operation of the batting pieces 51 continuously sewn to the respective cords 52 of the continuous string. Can continue.
- the batting piece 51 is rotated as described above by the mouth theta 72 and is substantially parallel to the cutting cutter 71. For this reason, there is little risk of damage to the batting piece 51 due to interference with the cutting cutter 71.
- the cutting unit 35 continuously cuts small pieces of the batting pieces 51 from the batting sheet 511. Then, the cut pieces 51 are sequentially placed on the surface of the conveyor belt 31 of the transport unit 3.
- the cutting unit 35 of the present example is provided with a cut-and-slip mechanism. Therefore, the cut pad 51 is placed on the surface of the conveyor belt 31 with a predetermined gap.
- the batting pieces 51 on the conveyor belt 31 are conveyed toward the sewing machine unit 2.
- the cord 52 is unwound from the bobbin 520 in synchronization with the advancement of the batting piece 51.
- the above-described cord placement step is performed, and the padding piece 51 and the two cords 52 arranged in parallel on the surface thereof are continuously arranged in the gap between the footer 213 and the machine bed 212 in the sewing machine unit 2.
- the feeding piece 51 is supplied to the sewing machine unit 2 so that the center line 510 of the filling piece 51 and the sewing line 20 (see FIG. 5) which is the sewing direction of the sewing machine 21 substantially coincide with each other. did.
- One of the two cords 52 whose positions in the parallel direction are restrained by the cord guide 61 is positioned substantially coincident with the center line 510 and the sewing line 20 of the batting piece 51.
- the first cord sewing step for sewing the one cord 52 to the filling piece 51 is performed.
- the sewing machine bed 212 further advances the batting piece 51 along the sewing line 20 by its swinging motion.
- one cord 52 is sewn along the center line 510 of the batting piece 51.
- the other cord 52 arranged on the sewing line 20 of the sewing machine 21 as described above is sewn to a new padding piece 51, and the second cord sewing step is performed. After that, the sewing of the batting piece 51 is completed, and the cord guide 61 advances and retreats again in the parallel direction of the cord 52 at a position just before the end of the concave wedge shape that is the tip of the next batting piece 51. . Thereby, the code switching step is performed again.
- the batting piece 51 discharged from the sewing machine unit 2 is supplied to the thread cutting unit 7.
- the rotator 72 rotates each batting piece 51 about 90 degrees with the sewn cord 52 as the rotation center axis.
- the batting piece 51 sewed with the right cord 52 in the conveying direction of the batting piece 51 was rotated 90 degrees counterclockwise.
- the batting piece 51 sewed with the cord 52 on the left side in the conveying direction of the batting piece 51 was rotated 90 degrees clockwise.
- the individual cutting tampon 5 was obtained by appropriately cutting the cord 52 with the cord cutter 45 disposed on the downstream side of the process with respect to the thread cutting unit 7. It should be noted that the cord cutter 45 can be omitted from the manufacturing apparatus 1 of this example, and the apparatus can be configured as an apparatus for manufacturing the intermediate processed product. In this case, a separate sanitary tampon 5 can be obtained by cutting the cord 52 separately. [0051] (Example 2)
- the configuration of the thread cutting unit is changed based on the sanitary tampon manufacturing apparatus of the first embodiment. This will be described with reference to FIG.
- the thread cutting unit 7 of this example does not have a rotator for rotating the batting piece 51.
- the thread cutting unit 7 of this example is provided with a mechanism for cutting the thread 53 passed between the cords 52 while avoiding interference with the batting piece 51 in place of the rotor.
- the thread cutting unit 7 of this example includes a cutting cutter 71 that advances and retreats toward the gap between the cords 52 arranged in parallel.
- the advance / retreat operation of the cutting cutter 71 is controlled by a control unit (not shown).
- the thread cutting unit 7 includes an optical sensor 73 for detecting the presence or absence of an object in a direction passing through the gap between the cords 52 arranged in parallel.
- the optical sensor 73 is configured to input the output signal to the control unit.
- the control unit is configured to detect the approach of the batting piece 51 based on the output signal of the optical sensor 73 and to retract the cutting cutter 71 at a position closest to the end of the concave wedge shape. . After that, it is configured to advance so that the cutting cutter 71 protrudes by detecting the passage of the batting piece 51. As a result, the thread 53 passed between the two cords 52 is cut while avoiding interference with the batting piece 51.
- optical sensor 73 an image sensor can be used. Furthermore, instead of the optical sensor 73, a contact sensor that physically detects contact with the padding piece 51 is used for IJ.
- the thread cutting units 7 of this example are arranged in parallel, three or more cords are supplied in parallel to the surface of the batting piece 51 that is continuously conveyed as shown in FIG. It can also be applied to a manufacturing device in which the number of intermediate processed products (sewed cords continuously stitched on a continuous cord-like cord) is three rows or three or more rows.
- This example is based on the sanitary tampon manufacturing apparatus of Example 1, The configuration has been changed. This will be described with reference to FIG.
- the cord switching unit 6 of this example is configured using a sewing machine footer 62.
- the cord 52 is sewn and attached to the padding piece by moving the footer 62 back and forth in the parallel direction of the cord 52.
- the footer 62 of this example includes two cord grooves 620 for accommodating the cords 52 on the holding surface 621 that abuts against the padding pieces.
- the footer 62 is connected to an advance / retreat mechanism (not shown).
- the footer 62 advances and retreats in the direction in which the codes 52 are arranged in parallel by the action of this advance / retreat mechanism. It is preferable to move the footer 62 back and forth when the sewing machine-dollar is retracted from the padding and the cord 52 in synchronization with the sewing operation of the sewing machine-dollar. In this case, the stress acting on the sewing machine-dollar can be reduced to extend its life.
- a footer 213 formed in a substantially C shape having an opening shape as shown in FIG. 12 and a cord guide 61 disposed adjacent to the opening of the footer 213.
- the holding surface of the footer 213 is preferably provided with a cord groove 213M configured to accommodate the two cords 52 supplied from the cord guide 61. According to such a configuration, the cord 52 to be sewn on the padding can be switched by moving the cord guide 61 back and forth in the direction of the arrow in the figure.
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Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US11/814,309 US7628114B2 (en) | 2005-01-19 | 2006-01-18 | Method and device for producing sanitary tampons |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2005-011375 | 2005-01-19 | ||
JP2005011375A JP4134052B2 (ja) | 2005-01-19 | 2005-01-19 | 生理用タンポンの製造方法及び製造装置 |
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WO2006077883A1 true WO2006077883A1 (ja) | 2006-07-27 |
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PCT/JP2006/300639 WO2006077883A1 (ja) | 2005-01-19 | 2006-01-18 | 生理用タンポンの製造方法及び製造装置 |
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US (1) | US7628114B2 (ja) |
JP (1) | JP4134052B2 (ja) |
KR (1) | KR100911702B1 (ja) |
WO (1) | WO2006077883A1 (ja) |
Families Citing this family (13)
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JP4712570B2 (ja) * | 2006-02-01 | 2011-06-29 | ユニ・チャーム株式会社 | 生理用タンポン |
US7845055B1 (en) * | 2009-10-29 | 2010-12-07 | Mcneil-Ppc, Inc. | Tampon formed from a selectively needled nonwoven fabric web |
JP5427641B2 (ja) * | 2010-02-23 | 2014-02-26 | ユニ・チャーム株式会社 | タンポンの製造方法、及び、タンポンの製造装置 |
US10064761B2 (en) | 2013-05-31 | 2018-09-04 | The Procter & Gamble Company | Method of delivering a discrete cord to a transfer member |
EP3003238B1 (en) * | 2013-05-31 | 2018-08-08 | The Procter and Gamble Company | Method of delivering a discrete cord to a transfer member |
US9770372B2 (en) | 2013-06-18 | 2017-09-26 | The Procter & Gamble Company | Discrete cord delivery apparatus |
EP2861196B1 (en) * | 2013-06-27 | 2016-07-13 | The Procter & Gamble Company | Method of delivering a withdrawal cord to a substrate |
CA2915497A1 (en) | 2013-06-27 | 2014-12-31 | The Procter & Gamble Company | Discrete cord delivery apparatus |
WO2014210239A1 (en) * | 2013-06-27 | 2014-12-31 | The Procter & Gamble Company | Method of cutting a thread between two substrates |
JP6286208B2 (ja) * | 2014-01-06 | 2018-02-28 | ユニ・チャーム株式会社 | タンポンの製造装置、及び、タンポンの製造方法 |
US20150374558A1 (en) * | 2014-06-26 | 2015-12-31 | The Procter & Gamble Company | Method of cutting a thread between two substrates |
KR102040913B1 (ko) * | 2017-09-12 | 2019-11-05 | (주)클래시스 | 냉각 지방 분해 시술용 동상 방지 패드 |
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-
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- 2005-01-19 JP JP2005011375A patent/JP4134052B2/ja active Active
-
2006
- 2006-01-18 US US11/814,309 patent/US7628114B2/en active Active
- 2006-01-18 WO PCT/JP2006/300639 patent/WO2006077883A1/ja not_active Application Discontinuation
- 2006-01-18 KR KR1020077017874A patent/KR100911702B1/ko active IP Right Grant
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Also Published As
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KR20070103418A (ko) | 2007-10-23 |
JP4134052B2 (ja) | 2008-08-13 |
US20080035040A1 (en) | 2008-02-14 |
US7628114B2 (en) | 2009-12-08 |
JP2006198065A (ja) | 2006-08-03 |
KR100911702B1 (ko) | 2009-08-10 |
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