WO2015065065A1 - 시트 제조방법 및 제조장치 - Google Patents
시트 제조방법 및 제조장치 Download PDFInfo
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- WO2015065065A1 WO2015065065A1 PCT/KR2014/010301 KR2014010301W WO2015065065A1 WO 2015065065 A1 WO2015065065 A1 WO 2015065065A1 KR 2014010301 W KR2014010301 W KR 2014010301W WO 2015065065 A1 WO2015065065 A1 WO 2015065065A1
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- Prior art keywords
- ultrasonic vibration
- cutting
- unit
- sheet
- contact
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H31/00—Pile receivers
- B65H31/34—Apparatus for squaring-up piled articles
- B65H31/38—Apparatus for vibrating or knocking the pile during piling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
- C03B33/023—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor the sheet or ribbon being in a horizontal position
- C03B33/0235—Ribbons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/61—Display device manufacture, e.g. liquid crystal displays
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Definitions
- the present invention relates to a sheet manufacturing method and a manufacturing apparatus, and more particularly to a sheet manufacturing method and manufacturing apparatus performed by a roll-to-sheet process.
- the thickness of glass used as a substrate is also accelerating.
- products having a curved form out of the conventional flat panel are being manufactured, and research on flexible displays is also actively conducted.
- the substrate glass requires even higher thickness and flexibility.
- the present invention seeks a method of manufacturing a sheet by unwinding from a thin roll and transferring it in a web form.
- the thin glass web or the thin glass sheet obtained therefrom may be used in various fields such as displays, electronic materials (solar cells, touch sensors, wafers, etc.), construction, and home appliances.
- a method of coating by applying a separate protective film or a coating agent may be used, which has a disadvantage in that a separate consumable cost is continuously required.
- a non-contact transfer method by air floating has been proposed, but utility costs due to air use are incurred.
- uncontrollable turbulence causes unstable transfer of the web, resulting in poor dimension during sheet cutting.
- the present invention has been made to solve the above problems, the present invention is to remove the surface contact of the object and the device to eliminate the possibility of causing the defect of the object, and to improve the transport quality of the object based on the stable floating force of the ultrasonic wave There is a purpose.
- the present invention provides an unwinding step of supplying an object from a roll on which the object is wound;
- a sheet manufacturing method comprising: a cutting step of transferring the supplied object and cutting the object which has been transferred, wherein the cutting comprises a sheet cutting to cut the object in a width direction of the object.
- the present invention also includes an unwinding part for supplying an object from a roll on which the object is wound, a conveying part for conveying the supplied object, and a cutting part for cutting the conveyed object, wherein the cutting is a width of the object. It provides a sheet manufacturing apparatus comprising a sheet cutting for cutting the object in the direction.
- the present invention by cutting off the contact of the surface of the object and the device when cutting the object can eliminate the possibility of surface defects of the object, and improve the transport quality of the object based on the stable floating force of the ultrasonic wave can do.
- the sheet produced through the present invention can maintain a high surface quality because the effective area is not in contact with the device, and because the object is unwound from the roll and supplied in the form of a web, the loading process of individual sheets can be omitted, in terms of process time. It is advantageous.
- the non-contact vibration suppressing unit may increase the edge quality by preventing the vibration flowing back through the trim part from affecting the object.
- the non-contact vibration suppressing unit when cutting the sheet, it is possible to prevent the vibration of the object caused by the disturbance to secure the sheet dimensional accuracy.
- FIG. 1 is a view schematically showing a sheet manufacturing apparatus according to an embodiment of the present invention.
- FIG. 2 is a partial perspective view of the sheet manufacturing apparatus of FIG. 1.
- FIG. 3 is a view schematically showing the transfer unit of FIG. 1.
- FIG. 4 and 5 are views schematically showing the vibration suppressing portion of FIG.
- FIG. 6 and 7 are views schematically showing the sheet cutting vibration suppressor of FIG.
- FIG. 8 is a view schematically showing a tension control unit.
- the present invention relates to a method for manufacturing by cutting the object (O) unwound from a roll and supplied in the form of a web (W) into a sheet (S).
- the present invention is supplied to the object (O) in the form of a web (W) to feed / process, and performs non-contact transfer of the web / sheet using ultrasonic waves.
- the effective area of the object O is transferred in a non-contact manner by using the ultrasonic non-contact technique disclosed in the patent document 2010-0057530.
- the object O which is transported downstream of the apparatus in a non-contact manner, is fully cut by the non-contact laser cutting unit 502 to be cut into the sheet S, and the cut sheet S is then transported in a non-contact manner in a subsequent process.
- the non-contact vibration suppressing unit 200 is placed on the transfer path of the object O to suppress the vibration of the object O.
- the non-contact vibration suppressing unit 200 is provided in the trim cutting and the sheet cutting process to increase cutting accuracy.
- the non-contact vibration suppressing unit 200 includes a first ultrasonic vibration unit 221 and a second ultrasonic vibration unit 222.
- the first ultrasonic vibration unit 221 and the second ultrasonic vibration unit 222 are installed to be spaced apart from each other so that the object (O) can be passed through.
- the first ultrasonic vibrator 221 and the second ultrasonic vibrator 222 are each ultrasonically vibrated, and apply the repulsive force generated by the ultrasonic vibration to the object O to apply the object O to the first ultrasonic vibrator 221.
- the second ultrasonic vibration unit 222 is restrained non-contact to suppress the vibration of the object (O).
- the object (O) of the present invention is typically thin glass, but the present invention is not limited thereto, and the object (O) may be made of various other materials.
- FIG. 1 is a view schematically showing a sheet manufacturing apparatus according to an embodiment of the present invention
- Figure 2 is a partial perspective view of the sheet manufacturing apparatus of FIG.
- the sheet manufacturing apparatus of FIG. 1 includes an unwinding unit 711, a conveying unit 100, and a cutting unit 500.
- the unwinding unit 711 unwinds the object O from the roll on which the object O is wound, and supplies the object O.
- the unwinding part 711 includes a protective film reel, and peels off the protective film and winds up the protective film reel before the object (O) is introduced into the apparatus.
- the object O from which the protective film has been removed is transferred downstream by the transfer part 100.
- the cutting part 500 cuts the object O which has been transferred.
- the cutting unit 500 preferably cuts the non-contacted object (O).
- the object O is cut using a laser.
- the cut part 500 includes a trim cut part 501 and a sheet cut part 502.
- the sheet cutting unit 502 cuts the object O in the width direction of the object O.
- FIG. Prior to the widthwise sheet cutting of the web W, the trim cut portion 501 may trim the sides of the web W in the longitudinal direction of the web W. As shown in FIG.
- the trim part is thicker than the thickness of the web W, which may cause problems in sheet cutting of the web W when the trim part remains.
- the trim cut is full cut by the laser source, and the separated trim portion is discharged and broken in a direction different from that of the web (W).
- the non-contact vibration suppressing part may be disposed on the discharge path of the trim part separated and discharged from the object O by trim cutting. 200) to prevent the reverse flow of the vibration by suppressing the vibration of the trim part.
- the vibration suppressing unit 200 may be configured in a non-contact manner using the ultrasonic vibration unit, or may be configured in a contact manner using a roller that directly contacts both surfaces of the trim portion.
- the non-contact vibration suppressing unit 200 includes a first ultrasonic vibration unit 221 and a second ultrasonic vibration unit 222.
- the first ultrasonic vibration unit 221 and the second ultrasonic vibration unit 222 are installed to be spaced apart from each other so that the trim portion can be discharged through the space therebetween.
- the first ultrasonic vibrator 221 and the second ultrasonic vibrator 222 are ultrasonically vibrated, respectively, and apply the repulsive force generated by the ultrasonic vibration to the trim portion to apply the trim portion to the first ultrasonic vibrator 221 and the second. By restraining noncontact between the ultrasonic vibration units 222, the vibration of the trim portion is suppressed.
- a cleaning part and a loading part may be provided downstream of the sheet cutting part 502.
- a cleaning part and a loading part may be provided downstream of the sheet cutting part 502.
- FIG. 3 is a view schematically showing the transfer unit 100 of FIG.
- the transfer unit 100 includes an ultrasonic vibration unit 101 as a non-contact transfer unit.
- the transfer unit 100 may include a plurality of ultrasonic vibrators for vibrating the ultrasonic vibrator 101 and a frame for fixing the ultrasonic vibrator 101.
- the ultrasonic vibration unit 101 is installed to face the object (O).
- the ultrasonic vibrator 101 may have a diaphragm form to correspond to the web (W).
- the ultrasonic vibration unit 101 applies a repulsive force by the high pressure air layer generated by the ultrasonic vibration to the object O, thereby causing the object O to float in a non-contact manner with the ultrasonic vibration unit 101.
- the transfer unit 100 may include a contact transfer unit 102.
- the contact transfer unit 102 transfers the object O in a state of being in contact with a point of the object O. As illustrated, the contact transfer unit 102 may contact both sides of the object O, or may contact only one side of both sides.
- the contact conveyance 102 should move at the same speed as the object O.
- the contact conveying unit 102 may include a conveyor belt, a roller, or a clamp in contact with the object (O).
- the ultrasonic vibrator exerts a repulsive force on the effective area of the object (O), which is a quality effective part, and floats the ultrasonic vibrator to transmit non-contact ultrasonically.
- the non-effective area of the object O which is a quality invalid part, is brought into contact with the non-contact conveying part (belt, roller or clamp), thereby increasing the conveying accuracy of the object O.
- the center area is used as the display area
- the area around it is used as the non-display area, where the display area is an effective area and the non-display area is an invalid area.
- the transfer unit 100 which transfers the object O includes a web transfer unit and a sheet transfer unit.
- the web feeder conveys the web W of the object O until the sheet is cut.
- the sheet conveying unit is sheet cut to convey the sheet S of the object O separated from the web W of the object O.
- FIG. 4 and 5 are views schematically showing the vibration suppressing unit 200 of FIG.
- the non-contact vibration suppression unit 200 includes a first ultrasonic vibration unit 221 and a second ultrasonic vibration unit 222.
- the first ultrasonic vibrator 221 and the second ultrasonic vibrator 222 are installed to face each other so that the web W (or the trim portion) can be transported therebetween.
- the first ultrasonic vibrator 221 and the second ultrasonic vibrator 222 are each ultrasonically vibrated, and the web W (or trim) is applied by applying a repulsive force generated by the ultrasonic vibration to the web W (or the trim portion). Part) to restrain the non-contact between the first ultrasonic vibration part 221 and the second ultrasonic vibration part 222 to suppress the vibration of the web W (or the trim part).
- the ultrasonic vibrators 231 and 232 ultrasonically vibrate the ultrasonic vibrators 221 and 222.
- the vibration absorbing units 241 and 242 prevent the vibrations of the ultrasonic vibration units 221 and 222 from being transmitted in addition to the object O.
- the fixed frames 251 and 252 are frames for supporting the ultrasonic vibration unit in the fixed position.
- the cover 271 accommodates the components of the vibration suppressing unit 200.
- the height adjusting units 261 and 262 may adjust the separation distance between the ultrasonic vibration units 221 and 222.
- FIG. 6 and 7 are views schematically showing the cutting unit 500 and the vibration suppressing unit 200 of FIG.
- the sheet cut part 502 pulls the glass web W in the width direction using a laser source.
- the laser is irradiated between the slits of the vibration suppressing unit 200 to block the glass vibration of the cutting site.
- the conveying speed of the sheet S is preferably larger than the conveying speed of the web W. FIG. For example, immediately after cutting, the feed speed is accelerated to separate the sheet S from the web W to prevent the sheet S from contacting the web cutting surface after the sheet is cut so that edge failure occurs.
- the feeding of the web W immediately after the cutting of the sheet keeps the feeding stop state for a while and starts transferring only the sheet S first, and then transfers the web W after a while. It may be disclosed.
- the first ultrasonic vibration unit 221 has a through hole or a through slit.
- the object (O) is cut by irradiating a laser to the object (O) through a through hole or a through slit.
- FIG. 8 is a view schematically showing a tension control unit.
- the tension adjusting part includes a dancer 320, a support part 341 and 342, and a link 331 installed on the transport path of the object O.
- the dancer 320 applies a force to the object O to adjust the tension of the object O.
- the dancer 320 includes an ultrasonic vibration unit.
- the ultrasonic vibration unit is ultrasonically vibrated, and applies the repulsive force by the ultrasonic vibration to the object O to apply the force to the object O in a non-contact state.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Advancing Webs (AREA)
- Laser Beam Processing (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
Abstract
Description
Claims (17)
- 대상물이 권취된 롤로부터 대상물을 공급하는 권출단계와;
공급된 상기 대상물을 이송하는 이송단계와,
이송되어 온 상기 대상물을 커팅하되, 상기 커팅은 대상물의 폭 방향으로 상기 대상물을 커팅하는 시트 커팅을 포함하는 커팅단계를 포함하고,
상기 이송단계에서는, 상기 대상물에 초음파 진동부를 대향시켜, 상기 초음파 진동부의 초음파 진동에 의하여 발생된 반발력을 상기 대상물에 가하여 상기 대상물을 상기 초음파 진동부와는 비접촉되게 부상시키는 것을 특징으로 하는 시트 제조방법. - 제1항에 있어서,
상기 이송단계에서는,
상기 대상물의 적어도 일지점을 접촉 이송부가 접촉된 상태로 이송시키는 것을 특징으로 하는 시트 제조방법. - 제2항에 있어서,
상기 대상물은 유효영역과 그 주위의 비유효영역을 포함하고,
상기 초음파진동부는 상기 유효영역에 반발력을 가하여 부상시키고, 상기 접촉 이송부는 상기 비유효영역과 접촉하는 것을 특징으로 하는 시트 제조방법. - 제2항에 있어서,
상기 접촉 이송부는, 상기 대상물과 접촉하는 컨베이어벨트, 롤러 또는 이동형 클램프를 포함하는 것을 특징으로 하는 시트 제조방법. - 제1항에 있어서,
상기 대상물의 이송을 수행하는 이송부는, 상기 시트 커팅 되기까지 상기 대상물의 웹을 이송하는 웹 이송부와, 상기 시트 커팅 되어 상기 대상물의 웹으로부터 분리된 상기 대상물의 시트를 이송하는 시트 이송부를 포함하고,
적어도 상기 시트커팅 직후, 상기 시트의 이송속도는 상기 웹의 이송속도보다 큰 것을 특징으로 하는 시트 제조방법. - 제1항에 있어서,
상기 커팅단계는, 상기 대상물과 비접촉되게 커팅하는 것을 특징으로 하는 시트 제조방법. - 제6항에 있어서,
레이저를 이용하여 상기 대상물과 비접촉되게 커팅하는 것을 특징으로 하는 시트 제조방법. - 제1항에 있어서,
상기 커팅단계는, 상기 대상물의 길이 방향으로 상기 대상물의 변을 커팅하는 트림커팅을 포함하는 것을 특징으로 하는 시트 제조방법. - 제8항에 있어서, 상기 트림커팅에 의하여 상기 대상물로부터 분리 배출되는 트림 부위의 배출 경로 상에 비접촉 진동 억제부를 두어 상기 트림 부위의 진동을 억제하는 것을 특징으로 하는 시트 제조방법.
- 제9항에 있어서,
상기 비접촉 진동 억제부는, 제1초음파진동부 및 제2초음파진동부를 포함하되,
상기 제1초음파진동부와 상기 제2초음파진동부는 상기 트림 부위가 그 사이를 통과하여 배출될 수 있도록 상호 이격되게 대향하여 설치되고, 상기 제1초음파진동부와 상기 제2초음파진동부는 각각 초음파 진동되고, 그 초음파 진동에 의하여 발생된 반발력을 상기 트림 부위에 가하여 상기 트림 부위를 상기 제1초음파진동부와 상기 제2초음파진동부의 사이에서 비접촉되게 구속함으로써 상기 트림 부위의 진동을 억제하는 것을 특징으로 하는 시트 제조방법. - 제1항에 있어서,
상기 대상물은 박판인 것을 특징으로 하는 시트 제조방법. - 제11항에 있어서,
상기 대상물은 박판 글라스인 것을 특징으로 하는 시트 제조방법. - 제1항에 있어서,
상기 대상물의 이송 경로 상에 비접촉 진동 억제부를 두어, 상기 대상물의 진동을 억제하고,
상기 비접촉 진동 억제부는, 제1초음파진동부 및 제2초음파진동부를 포함하되,
상기 제1초음파진동부와 상기 제2초음파진동부는 상기 대상물이 그 사이를 통과하여 이송될 수 있도록 상호 이격되게 대향하여 설치되고, 상기 제1초음파진동부와 상기 제2초음파진동부는 각각 초음파 진동되고, 그 초음파 진동에 의하여 발생된 반발력을 상기 대상물에 가하여 상기 대상물을 상기 제1초음파진동부와 상기 제2초음파진동부의 사이에서 비접촉되게 구속함으로써 상기 대상물의 진동을 억제하는 것을 특징으로 하는 시트 제조방법. - 제13항에 있어서,
상기 비접촉 진동 억제부는, 상기 커팅이 수행되기 직전 및/또는 직후의 상기 대상물을 비접촉되게 구속하는 것을 특징으로 하는 시트 제조방법. - 제14항에 있어서,
상기 제1초음파진동부는 관통공 또는 관통슬릿을 구비하고,
상기 커팅단계에서는 상기 관통공 또는 관통슬릿을 통하여 레이저를 상기 대상물에 조사하여 상기 대상물을 커팅하는 것을 특징으로 하는 시트 제조방법. - 제1항에 있어서,
상기 대상물의 이송 경로 상에 댄서를 두어, 상기 대상물에 힘을 가하여 상기 대상물의 장력을 조절하고,
상기 댄서는 초음파 진동부를 포함하고,
상기 초음파 진동부는 초음파 진동되고, 그 초음파 진동에 의한 반발력을 상기 대상물에 가하여 비접촉 상태로 상기 대상물에 상기 힘을 가하는 것을 특징으로 하는 장력 조절장치. - 대상물이 권취된 롤로부터 대상물을 공급하는 권출부와;
공급된 상기 대상물을 이송하는 이송부와,
이송되어 온 상기 대상물을 커팅하는 커팅부를 포함하고,
상기 커팅은, 상기 대상물의 폭 방향으로 상기 대상물을 커팅하는 시트커팅을 포함하고,
상기 이송부는, 상기 대상물에 초음파 진동부를 대향시켜, 상기 초음파 진동부의 초음파 진동에 의하여 발생된 반발력을 상기 대상물에 가하여 상기 대상물을 상기 초음파 진동부와는 비접촉되게 부상시키는 것을 특징으로 하는 시트 제조장치.
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JP2016552385A JP6330915B2 (ja) | 2013-11-04 | 2014-10-30 | シート製造方法及び製造装置 |
CN201480060403.3A CN105683073B (zh) | 2013-11-04 | 2014-10-30 | 片制造方法和制造装置 |
US15/033,983 US10106361B2 (en) | 2013-11-04 | 2014-10-30 | Sheet manufacturing method and manufacturing apparatus |
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KR10-2013-0133102 | 2013-11-04 | ||
KR1020130133102A KR101515806B1 (ko) | 2013-11-04 | 2013-11-04 | 시트 제조방법 및 제조장치 |
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US (1) | US10106361B2 (ko) |
JP (1) | JP6330915B2 (ko) |
KR (1) | KR101515806B1 (ko) |
CN (1) | CN105683073B (ko) |
TW (1) | TWI562952B (ko) |
WO (1) | WO2015065065A1 (ko) |
Cited By (1)
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JP2019502554A (ja) * | 2015-10-21 | 2019-01-31 | ユーエービー “ニューロテクノロジー” | 非接触操作装置、組み立て方法、および3d印刷 |
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US10870601B2 (en) | 2015-12-01 | 2020-12-22 | Corning Incorporated | Glass web separating devices and methods |
JP6748920B2 (ja) * | 2017-03-13 | 2020-09-02 | 日本電気硝子株式会社 | ガラスフィルムの製造方法 |
DE102019129036A1 (de) * | 2019-10-28 | 2021-04-29 | Schott Ag | Verfahren zur Herstellung von Glasscheiben und verfahrensgemäß hergestellte Glasscheibe sowie deren Verwendung |
KR102380777B1 (ko) * | 2020-09-03 | 2022-03-30 | 주식회사 시스템알앤디 | 유리제품 분리장치 및 이를 이용한 분리방법 |
CN112372154B (zh) * | 2020-11-04 | 2022-06-14 | 上海第二工业大学 | 一种来令卷进料切割装置及控制方法 |
CN112340504B (zh) * | 2020-11-23 | 2023-01-31 | 舒城娃娃乐儿童用品有限公司 | 一种无纺棉料自动收卷切边装置 |
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- 2014-10-30 CN CN201480060403.3A patent/CN105683073B/zh active Active
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Also Published As
Publication number | Publication date |
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JP6330915B2 (ja) | 2018-05-30 |
KR101515806B1 (ko) | 2015-05-04 |
CN105683073A (zh) | 2016-06-15 |
JP2017502897A (ja) | 2017-01-26 |
TWI562952B (en) | 2016-12-21 |
US10106361B2 (en) | 2018-10-23 |
US20160272456A1 (en) | 2016-09-22 |
TW201524882A (zh) | 2015-07-01 |
CN105683073B (zh) | 2017-05-31 |
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