JP6343281B2 - 超音波溶着装置及びこれを用いた使い捨ておむつの製造方法 - Google Patents
超音波溶着装置及びこれを用いた使い捨ておむつの製造方法 Download PDFInfo
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- JP6343281B2 JP6343281B2 JP2015522892A JP2015522892A JP6343281B2 JP 6343281 B2 JP6343281 B2 JP 6343281B2 JP 2015522892 A JP2015522892 A JP 2015522892A JP 2015522892 A JP2015522892 A JP 2015522892A JP 6343281 B2 JP6343281 B2 JP 6343281B2
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- welding
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- ultrasonic
- welding tool
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- 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
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15699—Forming webs by bringing together several webs, e.g. by laminating or folding several webs, with or without additional treatment of the webs
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- 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
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15585—Apparatus or processes for manufacturing of babies' napkins, e.g. diapers
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- A—HUMAN NECESSITIES
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- 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
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
- A61F13/15739—Sealing, e.g. involving cutting
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- A—HUMAN NECESSITIES
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- 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
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15804—Plant, e.g. involving several steps
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- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
- B29C65/083—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil
- B29C65/086—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil using a rotary anvil
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- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
- B29C65/083—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil
- B29C65/087—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil using both a rotary sonotrode and a rotary anvil
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- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
- B29C65/747—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using other than mechanical means
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- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
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- B29C65/7882—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined said parts to be joined moving in a closed path, e.g. a rectangular path said parts to be joined moving in a circular path
- B29C65/7885—Rotary turret joining machines, i.e. having several joining tools moving around an axis
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- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7858—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined
- B29C65/7888—Means for handling of moving sheets or webs
- B29C65/7894—Means for handling of moving sheets or webs of continuously moving sheets or webs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/006—Preventing damaging, e.g. of the parts to be joined
- B29C66/0062—Preventing damaging, e.g. of the parts to be joined of the joining tool, e.g. avoiding wear of the joining tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/03—After-treatments in the joint area
- B29C66/032—Mechanical after-treatments
- B29C66/0326—Cutting, e.g. by using waterjets, or perforating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap joints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
- B29C66/23—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations
- B29C66/232—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations said joint lines being multiple and parallel, i.e. the joint being formed by several parallel joint lines
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
- B29C66/431—Joining the articles to themselves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
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- B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
- B29C66/7234—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a barrier layer
- B29C66/72343—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a barrier layer for liquids
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- B29C66/80—General aspects of machine operations or constructions and parts thereof
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- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81427—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
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- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
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- B29C66/8362—Rollers, cylinders or drums moving relative to and tangentially to the parts to be joined
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
- B29C66/924—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools
- B29C66/9261—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the displacement of the joining tools
- B29C66/92611—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the displacement of the joining tools by controlling or regulating the gap between the joining tools
- B29C66/92615—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the displacement of the joining tools by controlling or regulating the gap between the joining tools the gap being non-constant over time
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
- B29C66/924—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools
- B29C66/9261—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the displacement of the joining tools
- B29C66/92651—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the displacement of the joining tools by using stops
- B29C66/92653—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the displacement of the joining tools by using stops said stops being adjustable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
- B29C66/924—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools
- B29C66/9261—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the displacement of the joining tools
- B29C66/92651—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the displacement of the joining tools by using stops
- B29C66/92655—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the displacement of the joining tools by using stops by using several stops
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
- B29C66/433—Casing-in, i.e. enclosing an element between two sheets by an outlined seam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/729—Textile or other fibrous material made from plastics
- B29C66/7294—Non woven mats, e.g. felt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
- B29C66/822—Transmission mechanisms
- B29C66/8226—Cam mechanisms; Wedges; Eccentric mechanisms
- B29C66/82263—Follower pin or roller cooperating with a groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
- B29C66/824—Actuating mechanisms
- B29C66/8242—Pneumatic or hydraulic drives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/48—Wearing apparel
- B29L2031/4871—Underwear
- B29L2031/4878—Diapers, napkins
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Description
搬送工程P1では、特定方向に延びるシートWをその長手方向に沿って搬送する。以下、シートWの流れ方向を横方向とし、図1において横方向と直交する方向を縦方向として説明する。
レッグホール形成工程P2では、シートWの縦方向の中央位置にレッグホールLを形成する。
吸収体接合工程P3では、シートWにおける2つのレッグホールLの間の位置に吸収体Aを接合する。
二つ折り工程P4では、吸収体Aが載置されたシートW(連続体)を縦方向に二つ折りにする。これにより、シートWにおける前腹部20aに相当する部分と後背部20bに相当する部分とが重ね合わされる。
溶着工程P5では、二つ折りにされたシートWにおける前腹部20aの側縁部に相当する部分と後背部20bの側縁部に相当する部分とを超音波溶着する。
切断工程P6では、溶着工程P5で形成された2つの溶着部Sの間で縦方向に延びる切断線に沿ってシートWを切断する。これにより、シートW(連続体)が使い捨ておむつ20ごとに切り分けられる。
以下、図2を参照して、溶着工程P5を行なう第1実施形態に係る超音波溶着装置1について説明する。
第1実施形態では、被押付部材18に案内面21a、23aが設けられているが、案内面は、被押付部材18及びアンビルローラ10の少なくとも一方に設けられていればよい。
前記各実施形態に係る超音波溶着装置では、超音波ホーン6とアンビルローラ10とが相対変位可能であるが、超音波ホーン6及びアンビルローラ10の双方をシート保持ドラム5に対して相対変位させることもできる。つまり、相手側溶着具である超音波ホーン6がシート保持ドラム5に対して相対変位してもよい。
前記実施形態では、出力面6eと溶着面10dとをこれらの面の法線方向に遠ざけるための被押付部材18について説明したが、被押付部材は、出力面6eと溶着面10dとをアンビルローラ10Bの移動方向に遠ざけるためのものであってもよい。
Claims (9)
- 被溶着物を超音波溶着するための超音波溶着装置であって、
被溶着物を保持する保持部材と、
前記被溶着物に超音波振動を与える出力面を有する超音波ホーンと、前記超音波ホーンの出力面との間で前記被溶着物を溶着する溶着面を有するアンビルとを有する一対の溶着具であって、前記一対の溶着具のうちの一方である移動側溶着具は、当該移動側溶着具の出力面又は溶着面が前記保持部材に保持された被溶着物に平面視で重なるとともに前記一対の溶着具のうちの他方である相手側溶着具との間で前記被溶着物を溶着する溶着範囲と平面視で前記溶着範囲から外れた非溶着範囲とに亘って前記保持部材に対して移動可能である、一対の溶着具と、
前記溶着範囲において前記出力面と前記溶着面とが互いに近づくとともに前記非溶着範囲において前記出力面と前記溶着面とが互いに遠ざかるように、前記移動側溶着具を前記相手側溶着具に対して変位させる変位機構とを備え、
前記相手側溶着具の前記出力面又は前記溶着面を含む端部は、前記移動側溶着具の移動方向に延びるスリットにより前記移動方向と直交する方向に分岐しているとともに前記スリットの両側に位置して前記出力面又は前記溶着面として機能する一対の端面を有し、
前記変位機構は、前記出力面と前記溶着面とがこれらの法線方向に近づくように前記移動側溶着具を前記相手側溶着具に向けて付勢する付勢機構と、前記付勢機構の付勢力によって前記非溶着範囲内に位置する前記移動側溶着具の外側面が押し付けられる被押付面を有し、かつ、前記被押付面が前記スリットの幅方向の範囲内に配置された状態で前記保持部材に固定された被押付部材とを備え、
前記被押付部材の被押付面及び前記移動側溶着具の外側面の少なくとも一方は、前記移動側溶着具が前記溶着範囲から前記非溶着範囲に移動することに応じて前記出力面と前記溶着面とが互いに遠ざかる方向に前記移動側溶着具を案内する案内面として機能する、超音波溶着装置。 - 前記案内面は、前記付勢機構の付勢力に抗して前記出力面と前記溶着面とがこれらの法線方向に互いに遠ざかる方向に前記移動側溶着具を案内可能な形状を有する、請求項1に記載の超音波溶着装置。
- 前記保持部材は、前記移動側溶着具の移動方向において異なる位置に設定された複数の取付位置に対する前記被押付部材の取り付けを許容する被押付部材取付部を有する、請求項2に記載の超音波溶着装置。
- 前記非溶着範囲は、前記相手側溶着具の出力面又は溶着面から前記移動側溶着具の移動方向に外れた位置に設定され、
前記案内面は、前記出力面と前記溶着面とが前記移動側溶着具の移動方向に互いに遠ざかる方向に前記移動側溶着具を案内可能な形状を有する、請求項1〜3の何れか1項に記載の超音波溶着装置。 - 前記非溶着範囲内に位置する移動側溶着具と前記被押付部材とは、前記移動側溶着具の前記溶着範囲へ向けた移動を許容するとともに前記移動方向及び前記付勢機構による付勢方向と直交する方向における移動側溶着具の移動が規制されるように、互いに係合している、請求項1〜4の何れか1項に記載の超音波溶着装置。
- 前記移動側溶着具は、前記被押付部材に対して転がり接触可能な外側面を有するローラ本体と、前記ローラ本体から外側に突出するとともに前記相手側溶着具の一対の端面との間で前記被溶着物を溶着する一対の突出部とを備え、
前記被押付部材は、前記非溶着範囲内に位置する移動側溶着具における前記一対の突出部の間に挿入される被挿入部を有する、請求項5に記載の超音波溶着装置。 - 前記超音波溶着装置は、前記移動側溶着具の移動方向における前記溶着範囲の両側位置でそれぞれ前記出力面と前記溶着面とが互いに遠ざかる方向に前記移動側溶着具を案内するために、前記案内面を2つ有する、請求項1〜6の何れか1項に記載の超音波溶着装置。
- 前記超音波ホーンは、超音波振動が入力される入力面を有する入力側端部と、前記スリットにより分岐しているとともに前記スリットの両側位置で超音波振動を出力する一対の出力面を有する出力側端部とを有する前記相手側溶着具であり、
前記超音波ホーンの入力面と前記超音波ホーンの各出力面との間の距離は、前記入力面に入力される超音波振動の半波長に相当する距離に設定され、
前記スリットは、前記超音波振動の節部に相当する位置又はこれよりも前記各出力面側の位置から前記出力側端部の端面までの範囲に形成されている、請求項1〜7の何れか1項に記載の超音波溶着装置。 - 請求項1〜8の何れか1項に記載の超音波溶着装置を用いて、着用者の腹部に配置される前腹部と、着用者の臀部に配置される後背部と、前記前腹部から着用者の両脚部の間を通って前記後背部まで延びる股下部とを有する使い捨ておむつを製造するための方法であって、
前記前腹部と前記後背部とが前記股下部を介して縦方向に連結された構成要素が横方向に連続する連続体を準備する準備工程と、
前記連続体を縦方向に二つ折りにする二つ折り工程と、
前記移動側溶着具を前記溶着範囲と前記非溶着範囲とに亘って移動させるとともに前記超音波ホーンに超音波振動を入力することにより、前記相手側溶着具の一対の端面と前記移動側溶着具の出力面又は溶着面との間で前記連続体における前記前腹部の側縁部に相当する部分と前記後背部の側縁部に相当する部分との重なり部分の2箇所を同時に溶着する溶着工程と、
前記溶着工程において形成された2箇所の溶着部の間で前記連続体を切断する切断工程とを含む、使い捨ておむつの製造方法。
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| PCT/JP2014/065808 WO2014200104A1 (ja) | 2013-06-14 | 2014-06-13 | 超音波溶着装置及びこれを用いた使い捨ておむつの製造方法 |
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| US10259165B2 (en) | 2015-04-01 | 2019-04-16 | Aurizon Ultrasonics, LLC | Apparatus for fabricating an elastic nonwoven material |
| EP3296100B1 (en) * | 2015-06-22 | 2020-01-08 | Zuiko Corporation | Composite stretchable member, wearable article, and method for producing wearable article |
| JP6480595B2 (ja) * | 2015-09-29 | 2019-03-13 | 東芝三菱電機産業システム株式会社 | 超音波振動接合装置 |
| CN109562571B (zh) * | 2016-07-11 | 2020-08-11 | 株式会社瑞光 | 超声波熔敷装置以及超声波熔敷方法 |
| US10913211B2 (en) | 2017-05-30 | 2021-02-09 | Campbell Soup Company | High rate ultrasonic sealer |
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| CN110091510B (zh) * | 2019-05-30 | 2024-02-13 | 黄山富田精工智造股份有限公司 | 一种超声波焊接装置 |
| CN110142982B (zh) * | 2019-06-11 | 2024-04-05 | 常州聚豪电气有限公司 | 一种麦拉管智能分切生产线 |
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| JP6905610B1 (ja) * | 2020-02-21 | 2021-07-21 | 株式会社ジェイ・イー・ティ | 超音波溶着装置 |
| EP4501594A4 (en) * | 2022-04-21 | 2025-07-23 | Zuiko Corp | ULTRASONIC WELDING APPARATUS AND METHOD |
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| US4758293A (en) * | 1986-06-25 | 1988-07-19 | Kimberly-Clark Corporation | Ultrasonic bonding apparatus and method |
| US5660679A (en) | 1995-01-31 | 1997-08-26 | Kimberly-Clark Worldwide, Inc. | Rotary sealing system |
| US5660657A (en) * | 1995-01-31 | 1997-08-26 | Kimberly-Clark Worldwide, Inc. | Composite method for fabricating garments |
| CN1179128A (zh) * | 1995-01-31 | 1998-04-15 | 金伯利-克拉克环球有限公司 | 旋转密封系统 |
| US7449084B2 (en) * | 2004-02-25 | 2008-11-11 | Zuiko Corporation | Web welding system |
| CN100475498C (zh) * | 2004-04-30 | 2009-04-08 | 株式会社瑞光 | 熔接装置 |
| JP4592690B2 (ja) * | 2004-04-30 | 2010-12-01 | 株式会社瑞光 | 溶着装置 |
| AU2005249622B2 (en) * | 2004-06-02 | 2010-10-21 | Ferag Ag | Method and device for packaging flat articles |
| JP5591051B2 (ja) | 2010-09-30 | 2014-09-17 | ユニ・チャーム株式会社 | ウエブに超音波処理を施すための装置および方法 |
| JP2014097097A (ja) * | 2012-11-13 | 2014-05-29 | Zuiko Corp | ウエブの溶着システムおよび溶着方法 |
-
2014
- 2014-06-13 EP EP14810635.4A patent/EP2990180B1/en active Active
- 2014-06-13 BR BR112015031302-7A patent/BR112015031302B1/pt active IP Right Grant
- 2014-06-13 CN CN201480033291.2A patent/CN105377532B/zh active Active
- 2014-06-13 US US14/893,667 patent/US9358159B2/en active Active
- 2014-06-13 MY MYPI2015704504A patent/MY175976A/en unknown
- 2014-06-13 WO PCT/JP2014/065808 patent/WO2014200104A1/ja not_active Ceased
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|---|---|
| BR112015031302A2 (pt) | 2017-07-25 |
| EP2990180A1 (en) | 2016-03-02 |
| US9358159B2 (en) | 2016-06-07 |
| MY175976A (en) | 2020-07-19 |
| US20160100990A1 (en) | 2016-04-14 |
| BR112015031302B1 (pt) | 2021-01-12 |
| CN105377532A (zh) | 2016-03-02 |
| CN105377532B (zh) | 2017-09-26 |
| EP2990180B1 (en) | 2019-08-07 |
| JPWO2014200104A1 (ja) | 2017-02-23 |
| WO2014200104A1 (ja) | 2014-12-18 |
| EP2990180A4 (en) | 2016-12-28 |
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