JP2011510690A - 2枚以上のウェブ材料を接合する継ぎ目 - Google Patents
2枚以上のウェブ材料を接合する継ぎ目 Download PDFInfo
- Publication number
- JP2011510690A JP2011510690A JP2010539347A JP2010539347A JP2011510690A JP 2011510690 A JP2011510690 A JP 2011510690A JP 2010539347 A JP2010539347 A JP 2010539347A JP 2010539347 A JP2010539347 A JP 2010539347A JP 2011510690 A JP2011510690 A JP 2011510690A
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- JP
- Japan
- Prior art keywords
- bonding
- pattern
- joining
- seam
- area
- 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.)
- Granted
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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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
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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
- A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
- A61F13/15739—Sealing, e.g. involving cutting
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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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
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/515—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers characterised by the interconnection of the topsheet and the backsheet
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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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- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- 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
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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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- B29C66/01—General aspects dealing with the joint area or with the area to be joined
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- B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
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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
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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
- B29C66/40—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
- B29C66/40—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
- B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
- B29C66/4324—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms for making closed loops, e.g. belts
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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
- A61F13/15203—Properties of the article, e.g. stiffness or absorbency
- A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
- A61F2013/15365—Dimensions
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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
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F2013/51078—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers being embossed
- A61F2013/51083—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers being embossed in point
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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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- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
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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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- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
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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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- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/82—Testing the joint
- B29C65/8207—Testing the joint by mechanical methods
- B29C65/8215—Tensile tests
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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
- B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
- B29C66/133—Fin-type joints, the parts to be joined being flexible
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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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- B29C66/22—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being in the form of recurring patterns
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- B29C66/221—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being in the form of recurring patterns being in the form of a sinusoidal wave
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- B29C66/01—General aspects dealing with the joint area or with the area to be joined
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- 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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- B29C66/7232—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 non-plastics layer
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- B29C66/731—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the intensive physical properties of the material of the parts to be joined
- B29C66/7315—Mechanical properties
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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
- B29C66/73—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
-
- 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
- B29C66/74—Joining plastics material to non-plastics material
- B29C66/748—Joining plastics material to non-plastics material to natural products or their composites, not provided for in groups B29C66/742 - B29C66/746
- B29C66/7485—Natural fibres, e.g. wool, cotton
-
- 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
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
- B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
- B29C66/83411—Roller, cylinder or drum types
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2001/00—Use of cellulose, modified cellulose or cellulose derivatives, e.g. viscose, as moulding material
-
- 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
- B29L2009/00—Layered products
-
- 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
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24777—Edge feature
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Public Health (AREA)
- Manufacturing & Machinery (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Treatment Of Fiber Materials (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
Abstract
Description
「接合素子面積」は、一つの接合素子に占有される幾何学的な面積である。異なる面積の接合素子の場合、平均接合素子面積が算出可能である。例えばリング形状の、窪んだ接合素子の場合、接合素子面積は、(孔も含む)接合素子を外周で閉じられる面積と定義される。
図1は、少なくとも一方が熱融解材料を含む、二枚の重なり合うウェブ材料1及び2を概略的に図示している。ウェブ材料はファイバー状の不織布、プラスチックフィルムまたはこれらのラミネートである。さらにウェブ材料は二つ以上の材料レイヤーを備えている。二つのウェブ材料間の重複部分は符号3で示される。重複部分におけるウェブ材料1及び2は、複数個の接合素子を備える接合パターン4によって接合されている。接合は、例えば超音波溶接や、熱接合など熱融解材料が融解されてウェブ材料1及び2を接合させる当該分野で既知の方法によってなされる。こうして、接合された重複部分3は、二つのウェブ材料1及び2を接合する継ぎ目を形成する。この継ぎ目は、図1の二つのウェブ材料と同平面に位置する。両ウェブ材料は重複部分の外側まで延在する部分を有する。
この方法は、繰り返されるロード/アンロードサイクルで伸張性材料がどのように振舞うかを測定する。サンプルは所定の伸張長まで伸張され、0と該所定の伸張長との間での周期運動が実施される。要求されたロード/アンロード張力が記録される。恒久的な、すなわち残存している弛緩した材料の伸張長が測定される。
・クロスヘッドスピード:500mm/min
・クランプ距離:50mm
・プリロード:0.05N
のように、調整されている。
2 第2ウェブ材料、 2a 側端
3 重複部分
4 接合パターン
5 第1接合パターン、5a 第1接合パターン素子
6 第2接合パターン、6a 第2接合パターン素子
10 パンツダイパー
11 腰用開口部
12 脚用開口部
13 フロントボディパネル
14 バックボディパネル
15 股部分
16 吸収コア
17 インナーカバーシート
18 アウターカバーシート
19 サイド継ぎ目
20 ウェストバンド
21 伸張性部材
22 失禁ガード
23 第1ボディパネル
24 第2ボディパネル
25 股部分
26 吸収コア
27 インナーカバーシート
28 アウターカバーシート
29 ベルト部材、 29a伸張領域
30 第1固定手段
31 第2固定手段
32 ウェスト伸張部材
Claims (24)
- 少なくとも第1及び第2のウェブ材料(1、2)の接合する継ぎ目であって、
前記第1及び第2のウェブ材料の少なくとも一方が熱融解材料を備え、
前記第1ウェブ材料(1)は、前記第2ウェブ材料(2)の側端(2a)と重なり合う側端(1a)とを有しており、
重複部分(3)は前記ウェブ材料が重なり合うところに形成され、
前記重複部分(3)における前記ウェブ材料は、超音波溶接、熱接合または同種の接合装置の中に搬送され、少なくとも前記重複部分(3)の一部分に延在する接合パターン(4)において接合されて当該継ぎ目を形成し、
前記接合パターンは、繰り返しパターンで互いに離間した複数の接合素子(5a、6a)を具備しており、
前記重複部分は、ウェブ材料の重なり合う前記側端(1a、2a)によって画定される一対の長手方向の側端を有しており、
前記接合パターン(4)は、当該接合パターン(4)の外側を限定する余白により画定される幅(w)を有しており、
前記接合パターン(4)は、前記重複部分(3)の少なくとも一部分に沿って長手方向に延在する第1接合パターン(5)と、前記重複部分(3)の少なくとも一方の前記側端(1a、2a)の少なくとも一部分に沿ってかつ近接して長手方向に延在する少なくとも一つの第2接合パターン(6)と、を備え、
前記第2接合パターン(6)の接合面積は、前記第1接合パターン(5)と第2接合パターン(6)の接合面積とを合わせた接合面積の30%以上を占め、
前記第1接合パターン(5)の前記接合素子(5a)は、前記第2接合パターン(6)の前記接合素子(6a)の平均面積より少なくとも2倍以上大きい平均面積を有し、
接合パターン(4)の接合面積は、継ぎ目に直交する方向で見ると、接合パターン(4)の長さに沿った任意の点において接合パターン(4)の幅(w)の10%から30%であり、前記接合面積は、明細書に定義されることを特徴とする継ぎ目。 - 前記第2接合パターン(6)の接合面積が、前記第1及び第2接合パターン(5、6)を合わせた接合面積の少なくとも50%、好ましくは少なくとも60%を占めることを特徴とする請求項1に記載の継ぎ目。
- 前記第2接合パターン(6)の接合面積が、前記第1及び第2接合パターン(5、6)を合わせた接合面積の75%より小さいことお特徴とする請求項1または2に記載の継ぎ目。
- 前記第1接合パターン(5)の前記接合パターン(5a)それぞれが、前記第2接合パターン(6)の前記接合素子(6a)の平均接合素子面積の2.5倍以上、好ましくは3.5倍以上、より好ましくは4倍以上の平均接合面積を有することを特徴とする請求項1から3のいずれか一項に記載の継ぎ目。
- 前記第2接合パターン(6)の前記接合素子それぞれの接合素子面積が4mm2以下、好ましくは3mm2以下、より好ましくは2mm2以下であることを特徴とする請求項1から4のいずれか一項に記載の継ぎ目。
- 前記接合パターン(4)の接触面積が、当該継ぎ目と直交する方向で見ると、前記接合パターン(4)の長さに沿う任意の点で、前記接合パターン(4)の幅(w)の10%から25%、好ましくは13%から20%であることを特徴とする請求項1から5のいずれか一項に記載の継ぎ目。
- 前記第2接合パターン(6)が、それぞれが2mm2以下の平均面積を有する複数の小さな前記接合素子(6a)を具備し、
前記接合素子は、少なくとも2つの長手方向の列に配置され、当該接合素子は隣接する前記列の接合素子に対して互い違いに配置され、
前記第2接合パターンにおける前記接合素子の数が5個/cm2から50個/cm2であることを特徴とする請求項1から6のいずれか一項に記載の継ぎ目。 - 前記第1接合パターン(5)が、複数の前記接合素子(5a)を具備し、前記接合素子は、少なくとも2つの長手方向の列に配置され、当該接合素子が互い違いの関係で配置されかつ前記第2接合パターン(6)の前記接合素子(6a)に対して直交方向にずらして配置されること特徴とする請求項7に記載の継ぎ目。
- 前記第1接合パターン(5)における前記接合素子の数が、4個/cm2から25個/cm2であることを特徴とする請求項8に記載の継ぎ目。
- 前記第2接合パターン(6)の前記接合素子が、円状であることを特徴とする請求項1から9のいずれか一項に記載の継ぎ目。
- 前記第1接合パターン(5)の前記接合素子が、円状であることを特徴とする請求項1から10のいずれか一項に記載の継ぎ目。
- 前記接合パターン(4)が、前記第1接合パターン(5)の両側に一つずつ二つの前記第2接合パターン(6)を具備することを特徴とする請求項1から11のいずれか一項に記載の継ぎ目。
- 前記重複部分(3)の直交方向における幅が、5mmから40mm、好ましくは6mmから20mmであることを特徴とする請求項1から12のいずれか一項に記載の継ぎ目。
- 前記接合パターン(4)の幅が、5mmから40mm、好ましくは6mmから20mmであることを特徴とする請求項13に記載の継ぎ目。
- 前記第1接合パターン(5)が、少なくとも2%かつ60%以下、好ましくは40%以下の接合密度を有することを特徴とする請求項1から14のいずれか一項に記載の継ぎ目。
- 前記第2接合パターン(6)が、5%から60%、好ましくは10%から50%の接合密度を有することを特徴とする請求項1から15のいずれか一項に記載の継ぎ目。
- 前記第2接合パターン(6)が、前記第1接合パターン(5)より高い接合密度を有することを特徴とする請求項15及び16に記載の継ぎ目。
- 前記ウェブ材料(1、2)が、前記重複部分(3)において25g/m2から130g/m2の総重量を有することを特徴とする請求項1から17のいずれか一項に記載の継ぎ目。
- 前記ウェブ材料(1、2)の少なくとも一つが、伸張性材料であることを特徴とする請求項1から18のいずれか一項に記載の継ぎ目。
- 当該継ぎ目が、接合されたウェブ材料(1、2)と同じ平面に位置することを特徴とする請求項1から19のいずれか一項に記載の継ぎ目。
- 当該継ぎ目が、吸収構造(16、26)を具備するパーソナルケア吸収物品であり、
前記第1及び第2ウェブ材料が、前記接合パターン(4)により接合された熱融解性材料であることを特徴とする請求項1から20のいずれか一項に記載の継ぎ目。 - 前記パーソナルケア吸収性物品は、第1ボディパネル(13)と、第2ボディパネル(14)と、前記第1及び第2ボディパネルの間にある股部分(15)と、を具備するパンツ式の衣類であり、
前記第1及び第2ボディパネルが重ね合わせ様式において接合され、請求項1から20のいずれか一項に記載のような前記接合パターン(4)によって接合されたサイド継ぎ目(19)を形成することを特徴とする請求項21に記載の継ぎ目。 - 前記パーソナルケア吸収性物品は、第1ボディパネル(13)と、第2ボディパネル(14)と、前記第1及び第2ボディパネルの間にある股部分(15)と、を具備するパンツ式衣類であり、
前記1及び第2ボディパネルは、接合されてサイド継ぎ目(19)を形成し、伸張性ウェストバンド(20)をさらに備え、
前記ウェストバンドが、第1及び/または第2ボディパネルに重ね合わせ様式において接合され、請求項1から20のいずれか一項に記載のような前記接合パターン(4)によって画成される当該継ぎ目を形成することを特徴とする請求項21または22に記載の継ぎ目。 - 前記パーソナルケア吸収性物品は、第1ボディパネル(23)と、第2ボディパネル(24)と、前記第1及び第2ボディパネルの間にある股部分と、を具備するおむつや失禁ガードのような吸収性衣類であり、
前記第1及び第2ボディパネルが、それぞれ腰部を有しており、
前記吸収性衣類は、前記第2ボディパネル(24)の前記腰部に付着して横方向に延在するベルト部材(29)を備え、前記吸収性衣類の着用者の腰の周りに巻かれて第1固定手段(30)で固定されるように構成されており、
前記第1ボディパネル(23)は、前記吸収性衣類がパンツ状の形状をとるように、当該第1ボディパネルの前記腰部において、前記ベルト部材(29)に固定されるように構成された第2固定手段(31)を備えており、
少なくとも一つの前記ベルト部材(29)が、前記第2ボディパネル(24)の腰部分に隣接する当該ベルト部材の基端部に配置された伸張領域(29a)を具備しており、
前記伸張領域(29a)は、残りの対応する前記ベルト部材にかつ/または第2ボディパネル(24)に、重ね合わせ様式において接合されて、請求項1から20のいずれか一項に記載のような前記接合パターン(4)によって画成される当該継ぎ目を形成することを特徴とする請求項21に記載の継ぎ目。
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JP7253522B2 (ja) | 2020-11-16 | 2023-04-06 | 花王株式会社 | 伸縮性シートの製造方法及びシート継ぎ装置 |
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Also Published As
Publication number | Publication date |
---|---|
AR069918A1 (es) | 2010-03-03 |
WO2009082277A1 (en) | 2009-07-02 |
AU2007362867B2 (en) | 2013-04-04 |
EP2231095A1 (en) | 2010-09-29 |
EP2231095A4 (en) | 2013-08-28 |
US20100268183A1 (en) | 2010-10-21 |
BRPI0722347A2 (pt) | 2014-03-18 |
EP2231095B1 (en) | 2015-07-08 |
CN101883549A (zh) | 2010-11-10 |
US8449519B2 (en) | 2013-05-28 |
CN101883549B (zh) | 2013-04-24 |
PL2231095T3 (pl) | 2015-12-31 |
JP5155411B2 (ja) | 2013-03-06 |
TW200927460A (en) | 2009-07-01 |
AU2007362867A1 (en) | 2009-07-02 |
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