JP6295207B2 - 使い捨て着用物品の製造方法及びこれに用いられる溶着装置 - Google Patents
使い捨て着用物品の製造方法及びこれに用いられる溶着装置 Download PDFInfo
- Publication number
- JP6295207B2 JP6295207B2 JP2014552942A JP2014552942A JP6295207B2 JP 6295207 B2 JP6295207 B2 JP 6295207B2 JP 2014552942 A JP2014552942 A JP 2014552942A JP 2014552942 A JP2014552942 A JP 2014552942A JP 6295207 B2 JP6295207 B2 JP 6295207B2
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- Prior art keywords
- welding
- anvil
- horn
- welded
- facing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Images
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- 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
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2555/00—Personal care
- B32B2555/02—Diapers or napkins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/04—Force
- F04C2270/042—Force radial
- F04C2270/0421—Controlled or regulated
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- Heart & Thoracic Surgery (AREA)
- Epidemiology (AREA)
- Manufacturing & Machinery (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
工程S1では、外側シート11を構成するための外側シート帯11Aをその長手方向に連続して搬送する。
工程S2では、連続搬送される外側シート帯11A上にウエスト用弾性部材9を接合する。具体的に、ウエスト用弾性部材9は、吸収体7の長手寸法に対応する間隔を空けて外側シート帯11A上の2箇所に配置される。また、工程S2で添設される2箇所のウエスト用弾性部材9は、外側シート帯11Aの長手方向(流れ方向)に離間して配置される。さらに、各ウエスト用弾性部材9は、それぞれ外側シート帯11Aの幅方向に伸張状態で当該外側シート帯11Aに添設される。
工程S3では、連続搬送される外側シート帯11A上に吸収体7を接合する。具体的に、吸収体7は、その長手方向を外側シート帯11Aの長手方向に沿わせた姿勢で、前記各ウエスト用弾性部材9の間に配置される。
工程S4では、連続搬送される外側シート帯11A上に一対のレッグ用弾性部材8を接合する。レッグ用弾性部材8は、外側シート帯11A上における吸収体7の長手方向の中央位置であって吸収体7の幅方向の両外側位置にそれぞれ配置される。また、各レッグ用弾性部材8は、それぞれ外側シート帯11Aの長手方向に伸張状態で当該外側シート帯11Aに添設される。
工程S5では、連続搬送される外側シート帯11A上にサイドパネル片3を構成するためのサイドパネル帯3A、及びサイドパネル片4を構成するためのサイドパネル帯4Aをそれぞれ接合する。サイドパネル帯3A、4Aは、それぞれの長手方向を外側シート帯11Aの長手方向に沿わせた姿勢で連続供給され、前記レッグ用弾性部材8の外側となる外側シート帯11Aの縁部上にそれぞれ接合される。このとき、サイドパネル帯3A、4Aは、外側シート帯11Aからそれぞれ突出した状態で、当該外側シート帯11Aに接合される。
工程S6では、連続搬送される外側シート帯11A上に内側シート10を構成するための内側シート帯10Aを接合する。具体的に、内側シート帯10Aは、その長手方向を外側シート帯11Aの長手方向に沿わせた姿勢で連続供給され、外側シート帯11Aと幅方向の位置を合致させた状態で当該外側シート帯11Aに接合される。この工程S6により、各弾性部材8、9及び吸収体7の全体が両シート帯10A、11Aの間に挟まれるとともに、サイドパネル帯3A、4Aの縁部が両シート帯10A、11Aの間に挟まれる。
工程S7では、両サイドパネル帯3A、4Aをそれぞれ切断することにより間隙部3a、4aを形成する。このとき、サイドパネル帯3A、4Aは、吸収体7の長手方向の中央位置を含む各サイドパネル帯3A、4Aの長手方向の所定の範囲にわたり切断される。
工程S8では、両シート帯10A、11A及び両サイドパネル帯3A、4Aを切断することにより使い捨ておむつの仕掛かり品(溶着対象部品)1Zを形成する。具体的に、両シート帯10A、11A及び両サイドパネル帯3A、4Aは、隣接するウエスト用弾性部材9の間の位置で切断される。この工程S8により、両サイドパネル帯3A、4Aがサイドパネル片3、4に分断された仕掛かり品1Zが形成される。
工程S9では、仕掛かり品1Zについておむつ本体2を長手方向の中央位置で二つ折りにする。これにより、サイドパネル片3同士及びサイドパネル片4同士が互いに対向する(2枚の熱可塑性シートにより対向部分が形成される)。
工程S10では、各サイドパネル片3にサイドシール部5を形成するとともに、各サイドパネル片4にサイドシール部6を形成する。つまり、各サイドパネル片3同士及び各サイドパネル片4同士を超音波溶着する。工程S10の内容は、後に詳述する。
工程S11では、各サイドパネル片3のうち各サイドシール部5の外側に位置する切断部3bを切断するとともに、各サイドパネル片4のうち各サイドシール部6の外側に位置する切断部4bを切断する。これにより、各サイドパネル片3の縁部及び各サイドパネル片4の縁部が揃えられ、見栄えがよくなる。
工程S12では、各サイドパネル片3及び各サイドパネル片4をおむつ本体2の内側に折り返す。これにより、包装に適した形態とされた使い捨ておむつ1が完成する。
Claims (8)
- 熱可塑性シートにより構成される2つの部分同士が互いに対向する対向部分を有する溶着対象部品が前記対向部分の一端部から他端部までの範囲で所定のパターンを持って連続して溶着されることにより製造される使い捨て着用物品の製造方法であって、
前記対向部分に超音波振動を加えるためのホーンとの間で前記対向部分を前記所定のパターンを持って連続して溶着するための溶着面を有するアンビルを所定の回動軸回りに回転させる回転工程と、
前記アンビルが回転している状態で複数の前記溶着対象部品を前記アンビルの溶着面と前記ホーンとの間に間欠的に供給することにより、前記溶着対象部品の夫々において前記対向部分を所定のパターンを持って連続して溶着する溶着工程とを含み、
前記アンビルの溶着面は、前記回転工程による前記アンビルの回転位置にかかわらず、前記アンビルの溶着面と前記ホーンとの間隔が前記対向部分を前記所定のパターンを持って連続して溶着可能な間隔に維持されるように前記回動軸回りの全周に亘り設けられており、
前記ホーンは、前記対向部分に超音波振動を加えるとともに前記アンビルの溶着面に対する接線方向に延びる加振面を有し、
前記着用物品の製造方法は、前記加振面のうち前記アンビルの溶着面と対向する部分が劣化した場合に、前記加振面のうち前記劣化部分以外の部分が前記アンビルに対向するように前記ホーンと前記アンビルとの位置関係を前記接線方向に調整する調整工程をさらに含む、使い捨て着用物品の製造方法。 - 前記溶着工程では、溶着される部分の両側位置で前記溶着対象部品を表裏両側から複数のベルトで挟み込んだ状態で、前記対向部分を前記アンビルの溶着面とホーンとの間に供給する、請求項1に記載の使い捨て着用物品の製造方法。
- 前記複数のベルトによる前記溶着対象部品の挟み込みを維持した状態で、前記溶着部分を撮像する撮像工程をさらに含む、請求項2に記載の使い捨て着用物品の製造方法。
- 前記溶着対象部品は、着用時に、着用者の股下部を介して着用者の前腹部から後背部まで延びるおむつ本体と、着用者の腰部側面を覆うように前記おむつ本体の前後両端部からそれぞれ左右両側に延びる4枚のサイドパネル片とを有し、
前記溶着工程では、前記おむつ本体を2つ折りにした状態で、前記おむつ本体の右側で互いに対向する2枚のサイドパネル片同士、及び前記おむつ本体の左側で互いに対向する2枚のサイドパネル片同士をそれぞれ溶着する、請求項1〜3の何れか1項に記載の使い捨て着用物品の製造方法。 - 使い捨て着用物品を製造するために、熱可塑性シートにより構成される2つの部分同士が互いに対向する対向部分を有する溶着対象部品について前記対向部分の一端部から他端部までの範囲で所定のパターンを持って連続して超音波溶着する溶着装置であって、
前記対向部分に超音波振動を加えるためのホーンと、
前記ホーンとの間で前記対向部分を前記所定のパターンを持って連続して溶着するための溶着面を有するとともに、所定の回動軸回りに回転可能なアンビルと、
前記アンビルが回転している状態で、前記アンビルの溶着面と前記ホーンとの間に複数の前記溶着対象部品を間欠的に供給する供給機構とを備え、
前記アンビルの溶着面は、前記アンビルの回転位置にかかわらず、前記アンビルの溶着面と前記ホーンとの間隔が前記対向部分を前記所定のパターンを持って連続して溶着可能な間隔に維持されるように前記回動軸回りの全周に亘り設けられており、
前記ホーンが取り付けられる取付部をさらに備え、
前記ホーンは、前記対向部分に超音波振動を加えるとともに前記アンビルの溶着面に対する接線方向に延びる加振面を有し、
前記取付部と前記ホーンとの取付位置は、前記接線方向に調整可能である、溶着装置。 - 前記供給機構は、溶着される部分の両側位置で前記溶着対象部品を表裏両側から挟み込んだ状態で、前記対向部分を前記アンビルの溶着面と前記ホーンとの間に供給可能な複数のベルトを有する、請求項5に記載の溶着装置。
- 前記複数のベルトによって溶着対象部品を挟み込んだ状態で、前記熱可塑性シートの溶着部分を撮像する撮像部材をさらに備えている、請求項6に記載の溶着装置。
- 前記溶着対象部品は、着用時に、着用者の股下部を介して着用者の前腹部から後背部まで延びるおむつ本体と、着用者の腰部側面を覆うように前記おむつ本体の前後両端部からそれぞれ左右両側に延びる4枚のサイドパネル片とを有し、
前記アンビル及び前記ホーンは、前記おむつ本体が2つ折りにされた状態で、前記おむつ本体の右側で互いに対向する2枚のサイドパネル片同士、及び前記おむつ本体の左側で互いに対向する2枚のサイドパネル片同士をそれぞれ溶着する、請求項5〜7の何れか1項に記載の溶着装置。
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PCT/JP2013/007469 WO2014097634A1 (ja) | 2012-12-21 | 2013-12-19 | 使い捨て着用物品の製造方法及びこれに用いられる溶着装置 |
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EP (1) | EP2926783B1 (ja) |
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US5254194A (en) | 1988-05-13 | 1993-10-19 | Minnesota Mining And Manufacturing Company | Coated abrasive sheet material with loop material for attachment incorporated therein |
US5616394A (en) | 1988-05-13 | 1997-04-01 | Minnesota Mining And Manufacturing Company | Sheet of loop material, and garments having such loop material incorporated therein |
US5256231A (en) | 1988-05-13 | 1993-10-26 | Minnesota Mining And Manufacturing Company | Method for making a sheet of loop material |
US5643397A (en) | 1988-05-13 | 1997-07-01 | Minnesota Mining And Manufacturing Company | Equipment for forming a sheet of loop material |
AU622171B2 (en) | 1988-05-13 | 1992-04-02 | Minnesota Mining And Manufacturing Company | Sheet material for forming the loop portion for hook and loop fasteners |
JPH03126529A (ja) | 1989-10-11 | 1991-05-29 | Mitsuo Fujisawa | 超音波加工装置 |
JP3112710B2 (ja) | 1991-07-15 | 2000-11-27 | ユニ・チャーム株式会社 | パンツ型着用物品の接合方法およびその装置 |
US5246433A (en) | 1991-11-21 | 1993-09-21 | The Procter & Gamble Company | Elasticized disposable training pant and method of making the same |
JPH0957853A (ja) * | 1995-08-21 | 1997-03-04 | Mitsubishi Heavy Ind Ltd | 超音波シール装置の制御方法及び制御装置 |
DE19712498C2 (de) * | 1997-03-25 | 1999-01-14 | Windmoeller & Hoelscher | Vorrichtung zum Verschweißen flach aufeinanderliegender Werkstücke im Ultraschallschweißverfahren |
JPH10272697A (ja) | 1997-03-31 | 1998-10-13 | Brother Ind Ltd | 超音波溶着溶断装置 |
DE19803638A1 (de) * | 1998-02-02 | 1999-08-05 | Kuesters Eduard Maschf | Vorrichtung zum Bearbeiten einer Materialbahn mit Ultraschall |
DE10158095B4 (de) | 2001-05-05 | 2012-03-22 | Lpkf Laser & Electronics Ag | Vorrichtung zur Kontrolle einer Schweißnaht in einem aus schweißfähigem Kunststoff bestehenden Werkstück |
US7459050B2 (en) * | 2002-04-02 | 2008-12-02 | Sca Hygiene Products Ag | Method for production of diaper pants |
SE0200988D0 (sv) | 2002-04-02 | 2002-04-02 | Sca Hygiene Prod Ab | Förfarande för tillverkning av en byxblöja |
US7204899B2 (en) * | 2003-04-30 | 2007-04-17 | Kimberly-Clark Worldwide, Inc. | Apparatus and method for mechanically bonding and cutting an article |
CN101222998B (zh) * | 2005-07-20 | 2010-12-15 | Sca卫生产品股份公司 | 利用超声波装置处理材料的设备和方法 |
JP4966716B2 (ja) | 2007-04-06 | 2012-07-04 | ユニ・チャーム株式会社 | 加工装置 |
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- 2013-12-19 EP EP13864829.0A patent/EP2926783B1/en active Active
- 2013-12-19 US US14/650,629 patent/US9855172B2/en active Active
- 2013-12-19 WO PCT/JP2013/007469 patent/WO2014097634A1/ja active Application Filing
- 2013-12-19 CN CN201380066251.3A patent/CN104853703B/zh not_active Expired - Fee Related
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EP2926783B1 (en) | 2019-04-10 |
CN104853703A (zh) | 2015-08-19 |
WO2014097634A1 (ja) | 2014-06-26 |
JPWO2014097634A1 (ja) | 2017-01-12 |
EP2926783A4 (en) | 2016-08-24 |
US20150320607A1 (en) | 2015-11-12 |
US9855172B2 (en) | 2018-01-02 |
CN104853703B (zh) | 2017-07-11 |
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