JPWO2006064577A1 - 中空体とシート構造体、およびこれらの製造方法 - Google Patents
中空体とシート構造体、およびこれらの製造方法 Download PDFInfo
- Publication number
- JPWO2006064577A1 JPWO2006064577A1 JP2006548674A JP2006548674A JPWO2006064577A1 JP WO2006064577 A1 JPWO2006064577 A1 JP WO2006064577A1 JP 2006548674 A JP2006548674 A JP 2006548674A JP 2006548674 A JP2006548674 A JP 2006548674A JP WO2006064577 A1 JPWO2006064577 A1 JP WO2006064577A1
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- hollow
- hollow portion
- forming member
- hollow body
- 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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- B32B2597/00—Tubular articles, e.g. hoses, pipes
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Abstract
Description
前記第1のシートおよび前記第2のシートは、前記中空部形成部材の幅寸法と同じ幅寸法で形成された中央領域と、前記中央領域の両側方に形成された側方領域とをそれぞれ有しており、
前記中空部形成部材の上面は前記第1のシートに形成された中央領域と接合されるとともに、前記中空部形成部材の下面は前記第2のシートに形成された中央領域と接合され、前記第1のシートに形成された前記側方領域が、前記第2のシートに形成された側方領域と接合されており、
前記中空部形成部材と前記第1のシートおよび前記第2のシートの前記中央領域とによって、前端と後端に開口部を有する中空部が形成されていることを特徴とするものである。
(a)中空部形成部材の上面と第1のシートに形成された中央領域とを接合して接合体を形成する工程と、
(b)前記接合体を構成する前記中空部形成部材の下面と第2のシートに形成された中央領域を接合するとともに、前記第1のシートの前記中央領域の両側方に形成された第1のシートの両側方領域と、前記第2のシートの前記中央領域の両側方に形成された第2のシートの両側方領域とを接合し、前記中空部形成部材と前記第1のシートおよび前記第2のシートの前記中央領域とで中空部を形成する工程。
2のシートとを接合して、中空部形成部材を前記第1のシートおよび前記第2のシートによって補強することができる。そのため、強度が向上された中空体を製造することができる。
また、前記(a)工程と前記(b)工程とを同時に行なうものとして構成しても良い。
(c)中空部形成部材の上面と第1のシートに形成された中央領域とを接合して接合体を形成する工程と、
(d)前記接合体を構成する前記中空部形成部材の下面と第2のシートに形成された中央領域を接合するとともに、前記第1のシートの前記中央領域の両側方に形成された第1のシートの両側方領域と、前記第2のシートの前記中央領域の両側方に形成された第2のシートの両側方領域とを接合し、前記中空部形成部材と前記第1のシートおよび前記第2のシートの前記中央領域とで中空部を形成する工程と、
(e)前記中空部を、長手方向に延びる切断線で切断する工程。
図1に示すように、前記中空体1は、図示X1−X2方向に所定の間隔を有する幅寸法を有し、図示Y1−Y2方向に向かって連続して延びて形成されている。前記中空体1では、図示Y1−Y2方向が長手方向となり、図示X1−X2方向が幅方向となる。
図6に示す中空体601は、図1に示す前記中空体1と同じ構成要素を有して構成されている。したがって、図6に示す中空体601の構成要素のうち、図1に示す前記中空体1と同じ構成要素には、同じ符号を付して詳しい説明を省略する。
図9に示す中空体701は、図1に示す前記中空体1と同じ構成要素を有して構成されている。したがって、図9に示す中空体701の構成要素のうち、図1に示す前記中空体1と同じ構成要素には、同じ符号を付して詳しい説明を省略する。
2 中空部
3a,3b 接合部
4a,4b,104Aa,104Ab,104Ba,104Bb 開口部
5 第1のシート
6 第2のシート
7,107,108 チューブ
5e,5f,6e,6f 側方領域
5g,6g 中央領域
201,801 シート構造体
201a 前端
201b 後端
202 下層シート
202a 上面
202e,202f 下層シート半体
203 上層シート
204 第1のシート半体
204e 内側端領域
205 第2のシート半体
205e 内側端領域
450 接合体
501,501,502,503 切断線
550a,550b,560a,560b,570a,570b,580a,580b 切断端面
607,608 シート体
707 折り曲げシート体
707e 上部面
707f 下部面
710 シート体
Claims (19)
- 第1のシートと、前記第1のシートの下方に位置する第2のシートと、前記第1のシートと前記第2のシートの間に設けられた中空部形成部材とを有し、
前記第1のシートおよび前記第2のシートは、前記中空部形成部材の幅寸法と同じ幅寸法で形成された中央領域と、前記中央領域の両側方に形成された側方領域とをそれぞれ有しており、
前記中空部形成部材の上面は前記第1のシートに形成された中央領域と接合されるとともに、前記中空部形成部材の下面は前記第2のシートに形成された中央領域と接合され、前記第1のシートに形成された前記側方領域が、前記第2のシートに形成された側方領域と接合されており、
前記中空部形成部材と前記第1のシートおよび前記第2のシートの前記中央領域とによって、前端と後端に開口部を有する中空部が形成されていることを特徴とする中空体。 - 前記中空部形成部材が幅方向に所定間隔を空けて複数設けられており、前記中空部形成部材と前記第1のシートおよび前記第2のシートの前記中央領域とによって、前端と後端に開口部を有する中空部が複数形成されている請求項1記載の中空体。
- 前記中空部形成部材が中空状のチューブである請求項1および2記載の中空体。
- 前記中空部形成部材が上下に重ねられた2枚のシート体である請求項1および2記載の中空体。
- 前記中空部形成部材が1枚のシート体を幅方向に2分する中央線で折り曲げられて形成された折り曲げシート体である請求項1および2記載の中空体。
- 下層シートと、前記下層シートの上に接合された上層シートとを有し、前記上層シートは第1のシート半体と第2のシート半体とが幅方向に並んで配列された状態で、前記第1のシート半体の内側端領域と、前記第2のシート半体の内側端領域とが、前記下層シートの上面に対して上方側に折り曲げられた状態で接合され、この接合部が前端から後端まで連続して形成されていることを特徴とするシート構造体。
- 前記下層シートは、2枚の下層シート半体が幅方向に並んで配置されて形成されている請求項6記載のシート構造体。
- 以下の工程を有することを特徴とする中空体の製造方法。
(a)中空部形成部材の上面と第1のシートに形成された中央領域とを接合して接合体を形成する工程と、
(b)前記接合体を構成する前記中空部形成部材の下面と第2のシートに形成された中央領域を接合するとともに、前記第1のシートの前記中央領域の両側方に形成された第1のシートの両側方領域と、前記第2のシートの前記中央領域の両側方に形成された第2のシートの両側方領域とを接合し、前記中空部形成部材と前記第1のシートおよび前記第2のシートの前記中央領域とで中空部を形成する工程。 - 前記(a)工程で、前記中空部形成部材を幅方向に所定間隔を空けて複数配置し、複数の前記中空部形成部材の上面と前記第1のシートの中央領域とを接合し、前記(b)工程で、前記複数の中空部形成部材の下面と前記第2のシートの前記中央領域とを接合する請求項8記載の中空体の製造方法。
- 前記(a)工程で、前記中空部形成部材を中空状のチューブで形成する請求項8および9記載の中空体の製造方法。
- 前記(a)工程で、前記中空部形成部材を上下に重ねられた2枚のシート体で形成する請求項8および9記載の中空体の製造方法。
- 前記(a)工程で、前記中空部形成部材を、1枚のシート体を幅方向に2分する中央線で折り曲げられて形成された折り曲げシート体で形成する請求項8および9記載の中空体の製造方法。
- 前記(a)工程と前記(b)工程とを同時に行なう請求項8ないし12のいずれかに記載の中空体の製造方法。
- 以下の工程を有することを特徴とするシート構造体の製造方法。
(c)中空部形成部材の上面と第1のシートに形成された中央領域とを接合して接合体を形成する工程と、
(d)前記接合体を構成する前記中空部形成部材の下面と第2のシートに形成された中央領域を接合するとともに、前記第1のシートの前記中央領域の両側方に形成された第1のシートの両側方領域と、前記第2のシートの前記中央領域の両側方に形成された第2のシートの両側方領域とを接合し、前記中空部形成部材と前記第1のシートおよび前記第2のシートの前記中央領域とで中空部を形成する工程と、
(e)前記中空部を長手方向に延びる切断線で切断する工程。 - 前記(e)工程の後に、
(f)前記切断線で切断した切断端面を、互いに離れる方向に向かって開く工程、
を有する請求項14記載のシート構造体の製造方法。 - 前記(c)工程で、前記中空部形成部材を中空状のチューブで形成する請求項14または15記載のシート構造体の製造方法。
- 前記(c)工程で、前記中空部形成部材を上下に重ねられた2枚のシート体で形成する請求項14または15記載のシート構造体の製造方法。
- 前記(c)工程で、前記中空部形成部材を、1枚のシート体を幅方向に2分する中央線で折り曲げられて形成された折り曲げシート体で形成する請求項14または15記載のシート構造体の製造方法。
- 前記(c)工程と前記(d)工程とを同時に行なう請求項14ないし18のいずれかに記載のシート構造体の製造方法。
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JPS5116373A (ja) * | 1974-06-07 | 1976-02-09 | Ootomateikon As | |
JPS57181847A (en) * | 1981-05-04 | 1982-11-09 | Daishiyouwa Shikou Sangyo Kk | Manufacture of double layer bag, inner bag and outer bag thereof can freely be separated |
JPH0468836U (ja) * | 1990-10-26 | 1992-06-18 | ||
JPH04278332A (ja) * | 1990-12-19 | 1992-10-02 | Paul Kiefel Hochfrequenz Anlagen Gmbh | 2個のフォイル間にそう入体を溶着する方法 |
JPH07309371A (ja) * | 1993-04-19 | 1995-11-28 | Tetra Laval Holdings & Finance Sa | 包装材料およびその製造方法 |
JPH08301307A (ja) * | 1995-04-28 | 1996-11-19 | Daiwa Gravure Co Ltd | 包装体 |
JP3070009U (ja) * | 1999-12-27 | 2000-07-14 | ロータリー株式会社 | 内面撥水撥油性紙袋 |
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JPS5116373A (ja) * | 1974-06-07 | 1976-02-09 | Ootomateikon As | |
JPS57181847A (en) * | 1981-05-04 | 1982-11-09 | Daishiyouwa Shikou Sangyo Kk | Manufacture of double layer bag, inner bag and outer bag thereof can freely be separated |
JPH0468836U (ja) * | 1990-10-26 | 1992-06-18 | ||
JPH04278332A (ja) * | 1990-12-19 | 1992-10-02 | Paul Kiefel Hochfrequenz Anlagen Gmbh | 2個のフォイル間にそう入体を溶着する方法 |
JPH07309371A (ja) * | 1993-04-19 | 1995-11-28 | Tetra Laval Holdings & Finance Sa | 包装材料およびその製造方法 |
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JP3070009U (ja) * | 1999-12-27 | 2000-07-14 | ロータリー株式会社 | 内面撥水撥油性紙袋 |
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