JP4813358B2 - 開口部を備えたフィルム - Google Patents
開口部を備えたフィルム Download PDFInfo
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- JP4813358B2 JP4813358B2 JP2006522775A JP2006522775A JP4813358B2 JP 4813358 B2 JP4813358 B2 JP 4813358B2 JP 2006522775 A JP2006522775 A JP 2006522775A JP 2006522775 A JP2006522775 A JP 2006522775A JP 4813358 B2 JP4813358 B2 JP 4813358B2
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Classifications
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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
- A61F13/51—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
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/512—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
-
- 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
- A61F13/15731—Treating webs, e.g. for giving them a fibrelike appearance, e.g. by embossing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/18—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/18—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material
- B26F1/20—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material with tools carried by a rotating drum or similar support
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/24—Perforating by needles or pins
-
- 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/18—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets by squeezing between surfaces, e.g. rollers
-
- 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
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
- B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
-
- 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
- A61F13/51—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
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/51121—Topsheet, i.e. the permeable cover or layer facing the skin characterised by the material
- A61F2013/51147—Topsheet, i.e. the permeable cover or layer facing the skin characterised by the material being polymeric films
-
- 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
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
- B29C59/022—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing characterised by the disposition or the configuration, e.g. dimensions, of the embossments or the shaping tools therefor
-
- 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
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/25—Solid
- B29K2105/253—Preform
- B29K2105/256—Sheets, plates, blanks or films
-
- 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.]
- Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
Description
本出願は、米国仮出願番号60/493,207(2003年8月7日出願)の優先権を請求する。
本発明は、開口部を備えたウェブに関する。特に、本発明は、開口部を備えたポリマーフィルムに関する。
本発明の特定の実施形態を例示し記載したが、本発明の精神及び範囲から逸脱することなく、他の様々な変更及び修正を実施できることが、当業者には明白であろう。したがって、本発明の範囲内にあるそのようなすべての変更及び修正を、添付の特許請求の範囲で扱うものとする。
Claims (10)
- 第一の分子配向を有する複数の第一の領域(2)と、第二の分子配向を有する変形を含む複数の第二の領域(4)とを含む開口部を備えたフィルムウェブ(1)であって、平面視で、該第一及び第二の領域は、機械横方向で交互にならびかつ隣接する(alternating and contiguous)概ね線状の関係にあり、前記第一の分子配向は、機械方向に概ね平行であり、前記第二の分子配向は、機械横方向に概ね平行であり、前記第二の領域は、その領域内に少なくとも1つの開口部(6)を有し、
前記第二の領域は、機械方向に、第一の分子配向を有する領域と変形とを交互に含む
開口部を備えたフィルムウェブ(1)。 - 前記第一の領域が厚さを有し及び前記第二の領域が厚さを有し、並びに前記第一の領域の前記厚さが前記第二の領域の前記厚さより厚いことを特徴とする請求項1に記載の開口部を備えたウェブ。
- 前記変形が、その領域内に1つの開口部を備えることを特徴とする請求項1に記載の開口部を備えたウェブ。
- 前記変形が、その機械方向の両端の少なくとも一方に開口部を有することを特徴とする請求項1に記載の開口部を備えたウェブ。
- 開口部を備えたウェブを作成する方法であって、該方法は:
a.機械方向に概ね平行である第一の分子配向を有するポリマーフィルムウェブを提供する工程と;
b.変形手段を提供する工程であって、変形手段としてロールを用い、前記ロールが円周方向に間隔を置いて配置される歯の複数列を含み、前記歯が円周方向に延びている先端を有する、該工程と;及び
c.前記ポリマーフィルムウェブを変形して、第一の分子配向を有する複数の第一の領域と、第二の分子配向を有するテント状構造の部分を備える複数の第二の領域とを含む変形されたウェブを形成する工程であって、該第一及び第二の領域は、機械横方向で交互にならびかつ隣接する概ね線状の関係にあり、前記第二の分子配向は、機械横方向に概ね平行であり、前記テント状構造部分は、その機械方向の両端の少なくとも一方に開口部を有する、該工程と;
を含むことを特徴とする開口部を備えたウェブを作成する方法。 - 開口部を備えたウェブを作成する方法であって、該方法は:
a.機械方向に概ね平行である第一の分子配向を有するポリマーフィルムウェブを提供する工程と;
b.変形手段を提供する工程であって、変形手段としてロールを用い、前記ロールが円周方向に間隔を置いて配置される歯の複数列を含み、前記歯が円周方向に延びている先端を有する、該工程と;及び
c.前記ポリマーフィルムウェブを変形して、第一の分子配向を有する複数の第一の領域と、第二の分子配向を有するテント状構造の部分を備える複数の第二の領域とを含む変形されたウェブを形成する工程であって、該第一及び第二の領域は、機械横方向で交互にならびかつ隣接する概ね線状の関係にあり、前記第二の分子配向は、機械横方向に概ね平行であり、前記テント状構造部分は、テント状構造のピークに沿ってスリットを有し、スリットが開口部に相当する、該工程と;
を含むことを特徴とする開口部を備えたウェブを作成する方法。 - 前記変形されたウェブを伸張するための伸張工程を更に含むことを特徴とする請求項5又は6に記載の方法。
- 前記伸張工程は、前記変形されたウェブを伸張するための漸増的伸張手段を含むことを特徴とする請求項7に記載の方法。
- 前記伸張工程が、前記変形工程と同一工程内にあることを特徴とする請求項7に記載の方法。
- 前記ロールが方形歯(square teeth)を備えることを特徴とする請求項5又は6に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US49320703P | 2003-08-07 | 2003-08-07 | |
US60/493,207 | 2003-08-07 | ||
PCT/US2004/025562 WO2005013874A1 (en) | 2003-08-07 | 2004-08-06 | Apertured film |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007501721A JP2007501721A (ja) | 2007-02-01 |
JP4813358B2 true JP4813358B2 (ja) | 2011-11-09 |
Family
ID=34135213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006522775A Active JP4813358B2 (ja) | 2003-08-07 | 2004-08-06 | 開口部を備えたフィルム |
Country Status (5)
Country | Link |
---|---|
US (1) | US20050064136A1 (ja) |
EP (2) | EP2604238A3 (ja) |
JP (1) | JP4813358B2 (ja) |
MX (1) | MXPA06001493A (ja) |
WO (1) | WO2005013874A1 (ja) |
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- 2004-08-06 MX MXPA06001493A patent/MXPA06001493A/es active IP Right Grant
- 2004-08-06 WO PCT/US2004/025562 patent/WO2005013874A1/en active Application Filing
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Also Published As
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US20050064136A1 (en) | 2005-03-24 |
WO2005013874A1 (en) | 2005-02-17 |
JP2007501721A (ja) | 2007-02-01 |
EP2604238A3 (en) | 2015-09-02 |
EP2604238A2 (en) | 2013-06-19 |
MXPA06001493A (es) | 2006-09-04 |
EP1651155A1 (en) | 2006-05-03 |
EP1651155B1 (en) | 2013-04-24 |
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