JPWO2016208513A1 - 複合伸縮部材、着用物品および着用物品の製造方法 - Google Patents
複合伸縮部材、着用物品および着用物品の製造方法 Download PDFInfo
- Publication number
- JPWO2016208513A1 JPWO2016208513A1 JP2017524870A JP2017524870A JPWO2016208513A1 JP WO2016208513 A1 JPWO2016208513 A1 JP WO2016208513A1 JP 2017524870 A JP2017524870 A JP 2017524870A JP 2017524870 A JP2017524870 A JP 2017524870A JP WO2016208513 A1 JPWO2016208513 A1 JP WO2016208513A1
- Authority
- JP
- Japan
- Prior art keywords
- elastic member
- joint
- sheets
- composite
- joined
- 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
Links
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- 238000005520 cutting process Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 15
- 239000010410 layer Substances 0.000 claims description 11
- 239000011247 coating layer Substances 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 7
- 230000008602 contraction Effects 0.000 abstract description 20
- 229920001971 elastomer Polymers 0.000 description 20
- 239000005060 rubber Substances 0.000 description 20
- 210000002414 leg Anatomy 0.000 description 7
- 238000002844 melting Methods 0.000 description 7
- 230000008018 melting Effects 0.000 description 7
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 6
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- 210000001015 abdomen Anatomy 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 235000019359 magnesium stearate Nutrition 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
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- 238000003795 desorption Methods 0.000 description 2
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- 238000007789 sealing Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- 230000003187 abdominal effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
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- 229920002635 polyurethane Polymers 0.000 description 1
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- 238000003825 pressing Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
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- 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
-
- 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
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- 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
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0046—Elastic
-
- 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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Abstract
Description
図1は、本発明の実施形態に係る複合伸縮部材の平面図である。図2は、図1のII−II線断面図の一部である。
次に、前記複合伸縮部材1を製造するための製造装置について説明する。
前記のように構成された製造装置100を用いて複合伸縮部材1を製造する方法は、案内工程と接合工程とを含む。
図15は、前記のように構成された複合伸縮部材1の使用例として、この複合伸縮部材1が用いられた使い捨ておむつ(着用物品)20を示した概略図である。
Claims (15)
- 特定方向に伸縮可能な複合伸縮部材であって、
互いに対向する2枚のシートと、
前記各シートの間で前記特定方向に伸縮可能となるように当該特定方向に沿って延びる複数の弾性部材とを備え、
前記各シートは、複数の接合部で互いに接合されており、
前記各接合部は、それぞれ前記特定方向と交差する線に沿って連続的に延びて複数の前記弾性部材と交差しており、
前記各弾性部材は、前記各接合部との交差点においてそれぞれ前記各シートに接合されていることを特徴とする複合伸縮部材。 - 請求項1に記載の複合伸縮部材であって、
前記接合部は、前記特定方向と交差する第1の方向に沿って互いに平行に延びる複数の第1接合部と、前記特定方向および前記第1の方向と交差する第2の方向に沿って互いに平行に延びるとともに少なくとも1の前記第1接合部とそれぞれ交差する複数の第2接合部とを含むことを特徴とする複合伸縮部材。 - 請求項2に記載の複合伸縮部材であって、
前記第1の方向と第2の方向とは、それぞれ前記特定方向と直交する方向に対して交差する方向であることを特徴とする複合伸縮部材。 - 請求項3に記載の複合伸縮部材であって、
前記第1の方向と前記第2の方向とは、それぞれ、前記特定方向と直交する方向に対して、45度よりも小さい角度で傾斜していることを特徴とする複合伸縮部材。 - 請求項3または4に記載の複合伸縮部材であって、
前記各第1接合部と前記各第2接合部との交差点は、前記特定方向に延びる直線上に並んでいるとともに、当該特定方向と直交する方向に延びる直線上に並んでいることを特徴とする複合伸縮部材。 - 請求項2〜5のいずれかに記載の複合伸縮部材であって、
前記各弾性部材は、前記各第1接合部と前記各第2接合部との交差点を除く部分で、これら第1接合部および第2接合部と交差していることを特徴とする複合伸縮部材。 - 請求項2〜6のいずれかに記載の複合伸縮部材であって、
前記各弾性部材と前記各第1接合部との交差点である第1弾性部材側交差点と、前記各弾性部材と前記各第2接合部との交差点である第2弾性部材側交差点とは、前記特定方向と直交する方向に延びる直線上に並んでいることを特徴とする複合伸縮部材。 - 請求項5に記載の複合伸縮部材であって、
前記各弾性部材は、前記各第1接合部と前記各第2接合部との交差点を除く部分でこれら第1接合部および第2接合部と交差しているとともに、これら接合部と前記特定方向について等間隔に交差していることを特徴とする複合伸縮部材。 - 請求項2〜8のいずれかに記載の複合伸縮部材であって、
前記各シートは、前記接合部が複数の前記第1接合部と複数の前記第2接合部とで構成される交差パターン領域と、当該交差パターン領域に隣接して前記接合部が前記各第1接合部と前記各第2接合部との交差点から前記特定方向と直交する方向に延びる第3接合部で構成されるストレートパターン領域とを含むことを特徴とする複合伸縮部材。 - 請求項1に記載の複合伸縮部材であって、
前記各接合部は、それぞれ前記特定方向と直交する方向に沿って延びていることを特徴とする複合伸縮部材。 - 請求項1〜10のいずれかに記載の複合伸縮部材であって、
前記弾性部材は、束状に集合した複数の繊維状弾性体を含み、
複数の前記繊維状弾性体の少なくとも一部の周面は、被覆層により被覆されており、
前記各弾性部材と前記各シートとは、前記被覆層が前記シートに溶着することで接合されていることを特徴とする複合伸縮部材。 - 請求項1〜10のいずれかに記載の複合伸縮部材であって、
前記弾性部材は、束状に集合した複数の繊維状弾性体からなり、
前記各弾性部材と前記各シートとは、前記弾性部材の周面に位置する少なくとも1の前記繊維状弾性体に前記シートが溶着することで接合されていることを特徴とする複合伸縮部材。 - 着用者の胴回りに配置される胴回り部を有する着用物品であって、
胴回り部の少なくとも一部が、請求項1〜12のいずれかに記載の複合伸縮部材により形成されたことを特徴とする着用物品。 - 着用者の胴回りに配置される胴回り部と着用者の股下に配置される股下部とを有する着用物品を製造する方法であって、
請求項1〜12の何れか1項に記載の複合伸縮部材の連続体を用意して、前記胴回り部を形成するために前記連続体をその長手方向に搬送するとともに、前記股下部をその長手方向が前記連続体の長手方向に直交するように当該連続体に接合して接合体を形成する接合体形成工程と、
前記接合体を前記連続体の長手方向と直交する幅方向の中心線を折り目として二つ折りにする二つ折り工程と、
前記連続体の長手方向について隣接する前記股下部の中間に位置する部分における前記連続体の重なり部分同士を当該連続体の長手方向に直交する方向に沿って接合してサイドシールを形成するサイドシール工程と、
前記連続体を前記サイドシールにおける切断線に沿って切断する切断工程と、を含む着用物品の製造方法。 - 請求項14に記載の着用物品の製造方法であって、
前記接合体形成工程は、前記複合伸縮部材の連続体を一対用意して該両連続体を互いに平行に搬送するとともに、前記股下部を前記両連続体に跨って接合して前記接合体を形成する工程を含むことを特徴とする着用物品の製造方法。
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