KR20180093912A - 3-차원 마이크로-개구를 갖는 하이드로-포밍 필름 - Google Patents
3-차원 마이크로-개구를 갖는 하이드로-포밍 필름 Download PDFInfo
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- KR20180093912A KR20180093912A KR1020187015943A KR20187015943A KR20180093912A KR 20180093912 A KR20180093912 A KR 20180093912A KR 1020187015943 A KR1020187015943 A KR 1020187015943A KR 20187015943 A KR20187015943 A KR 20187015943A KR 20180093912 A KR20180093912 A KR 20180093912A
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- 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 of the pads
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
- A61F2013/51338—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability having improved touch or feeling, e.g. smooth film
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
- B26F2001/4481—Cutters therefor; Dies therefor having special lateral or edge outlines or special surface shapes, e.g. apertures
-
- 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
- B29C2791/00—Shaping characteristics in general
- B29C2791/004—Shaping under special conditions
- B29C2791/006—Using vacuum
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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
- B29C2791/00—Shaping characteristics in general
- B29C2791/004—Shaping under special conditions
- B29C2791/007—Using fluid under pressure
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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
- B29C2793/00—Shaping techniques involving a cutting or machining operation
- B29C2793/0045—Perforating
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/10—Forming by pressure difference, e.g. vacuum
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D28/00—Producing nets or the like, e.g. meshes, lattices
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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
- B29K2101/00—Use of unspecified macromolecular compounds as moulding material
- B29K2101/12—Thermoplastic materials
-
- 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
- B29L2007/00—Flat articles, e.g. films or sheets
-
- 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
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- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24174—Structurally defined web or sheet [e.g., overall dimension, etc.] including sheet or component perpendicular to plane of web or sheet
- Y10T428/24182—Inward from edge of web or sheet
-
- 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
- Y10T428/24281—Struck out portion type
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Epidemiology (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Textile Engineering (AREA)
- Forests & Forestry (AREA)
- Manufacturing & Machinery (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Laminated Bodies (AREA)
Abstract
Description
도 1은 수형 측면이 위에 있는 단일의 진공 성형 3-차원 마이크로-개구의 단면도이다.
도 2는 수형 측면이 위에 있는 단일의 진공 성형 3-차원 마이크로-개구의 (그것을 내려다볼 때의) 평면도이다.
도 3은 둥근 마이크로-개구의 패턴을 갖는 종래 기술의 성형 스크린의 세그먼트의 개략도이다.
도 4는 진공 성형 공정에 의해 도 3의 스크린 상에서 형성되는 3-차원 마이크로-개구의 현미경 사진이다.
도 5는 진공 성형 공정에 의해 도 3의 스크린 상에서 형성되는 단일의 진공 성형 3-차원 마이크로-개구의 확대 현미경 사진이다.
도 6은 수형 측면이 위에 있는 단일의 종래 기술의 하이드로-포밍 3-차원 마이크로-개구의 단면도이다.
도 7은 수형 측면이 위에 있는 종래 기술의 하이드로-포밍 3-차원 마이크로-개구의 평면도이다.
도 8은 하이드로-포밍 공정에 의해 도 3의 스크린 상에서 형성되는 종래 기술의 하이드로-포밍 마이크로-개구의 현미경 사진이다.
도 9는 하이드로-포밍 공정에 의해 도 3의 스크린 상에서 형성되는 종래 기술의 단일의 하이드로-포밍 3-차원 마이크로-개구의 확대 현미경 사진이다.
도 10은 본 발명의 마이크로-개구의 형상을 갖는 성형 스크린의 예의 개략도이다.
도 11은 하이드로-포밍 공정에 의해 도 10의 스크린 상에서 형성되는 본 발명의 하이드로-포밍 마이크로-개구의 현미경 사진이다.
도 12는 하이드로포밍 공정에 의해 도 10의 스크린 상에서 형성되는 본 발명의 단일의 하이드로-포밍 3-차원 마이크로-개구의 확대 현미경 사진이다.
도 13은 단지 60 CSP 메시의 인식도를 갖는 접촉에 의해 인식되는 요구된 연성이 부족한 종래 기술의 60 메시 하이드로-포밍 3-차원 마이크로-개구의 254 ㎛ 세그먼트의 단면도이다.
도 14는 87 CSP 메시의 인식도를 갖는 접촉에 의해 인식되는 요구된 연성을 성취하는 본 발명의 43.5 메시 하이드로-포밍 3-차원 마이크로-개구의 254 ㎛ 세그먼트의 단면도이다.
Claims (16)
- 실질적으로 평면형의 표면을 갖는 중합체 웨브를 가공하는 방법이며,
웨브를 지지하고 기계 방향으로 웨브와 함께 이동하도록 구성되는 성형 스크린을 제공하는 단계로서, 성형 스크린은 그를 통해 형성되는 복수의 타원형 스크린 개구부를 갖는 스크린 벽을 포함하고, 각각의 스크린 개구부는 기계 방향에 직각인 장축 치수 그리고 기계 방향에 평행한 단축 치수를 갖는, 단계;
웨브를 성형 스크린 상으로 연속적으로 피착시키는 단계로서, 그에 따라 웨브는 스크린 벽에 의해 지지되고, 웨브 및 성형 스크린 벽은 기계 방향으로 함께 이동하는, 단계; 및
웨브가 스크린 개구부 내로 가압되게 하기에 충분한 압력 수준을 갖는 물 스트림에 웨브 및 성형 스크린 벽을 통과시키는 단계로서, 그에 의해 웨브의 평면형 표면으로부터 연장하는 국부적인 돌출부를 형성하고, 각각의 돌출부는 정점부, 정점부에서의 개구부, 및 웨브의 평면형 표면에 평행한 타원형 단면을 갖고, 타원형 단면은 돌출부 축 비율을 갖는, 단계
를 포함하는, 방법. - 제1항에 있어서, 스크린 개구부 축 비율은 요구된 돌출부 축 비율을 생성하도록 선택되는, 방법.
- 제1항에 있어서, 스크린 개구부 축 비율은 0.65 내지 1.35의 범위 내의 돌출부 축 비율을 생성하도록 선택되는, 방법.
- 제1항에 있어서, 스크린 개구부 축 비율은 약 0.9 내지 1.1의 범위 내의 돌출부 축 비율을 생성하도록 선택되는, 방법.
- 제1항에 있어서, 스크린 개구부 축 비율은 약 1.0의 돌출부 축 비율을 생성하도록 선택되는, 방법.
- 제1항에 있어서, 스크린 개구부 축 비율은 약 1.15 내지 약 2.50의 범위 내에 있는, 방법.
- 제1항에 있어서, 국부적인 돌출부는 약 40 내지 약 75의 범위 내의 최대 메시 카운트를 갖는 2-차원 패턴으로 웨브 내에 형성되는, 방법.
- 제7항에 있어서, 필름은 적어도 약 80의 압박 감지기 지점 카운트를 갖는, 방법.
- 제7항에 있어서, 2 차원 패턴은 국부적인 돌출부가 횡단 방향으로 정렬되고 기계 방향으로 교번되도록 구성되는, 방법.
- 제1 및 제2 대향의, 실질적으로 평면형의 웨브 표면을 갖는 중합체 웨브; 및
중합체 웨브를 통한 복수의 3 차원 천공부로서, 각각의 3 차원 천공부는 제1 평면형 웨브 표면으로부터 연장하는 중공 돌출부를 포함하고, 각각의 돌출부는 정점부, 복수의 불규칙적으로 성형된 페탈에 의해, 적어도 부분적으로, 한정되는 원주부를 갖는 정점부에서의 개구부, 및 웨브의 평면형 표면에 평행한 타원형 단면을 포함하고, 타원형 단면은 0.65 내지 1.35의 범위 내의 돌출부 축 비율을 갖는, 복수의 3 차원 천공부
를 포함하는, 필름. - 제10항에 있어서, 복수의 3 차원 천공부는 하이드로포밍 공정을 사용하여 형성된, 필름.
- 제10항에 있어서, 스크린 개구부 축 비율은 약 0.9 내지 1.1의 범위 내의 돌출부 축 비율을 생성하도록 선택되는, 필름.
- 제10항에 있어서, 스크린 개구부 축 비율은 약 1.0의 돌출부 축 비율을 생성하도록 선택되는, 필름.
- 제10항에 있어서, 국부적인 돌출부는 약 40 내지 약 75의 범위 내의 최대 메시 카운트를 갖는 2-차원 패턴으로 웨브 내에 형성되는, 필름.
- 제14항에 있어서, 필름은 적어도 약 80의 압박 감지기 지점 카운트를 갖는, 필름.
- 제14항에 있어서, 2 차원 패턴은 국부적인 돌출부가 횡단 방향으로 정렬되고 기계 방향으로 교번되도록 구성되는, 필름.
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| US62/266,256 | 2015-12-11 | ||
| PCT/US2016/065933 WO2017100647A1 (en) | 2015-12-11 | 2016-12-09 | Hydro-formed film with three-dimensional micro-apertures |
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| US20220062070A1 (en) * | 2019-02-01 | 2022-03-03 | Tredegar Film Products Llc | Forming structure, apparatus and method for forming a breathable, liquid impermeable, apertured formed film and film manufactured thereby |
| EP4041170B1 (en) * | 2019-10-08 | 2025-11-19 | The Procter & Gamble Company | Ring-like elastic belt and method of making thereof |
| ES3047984T3 (en) | 2019-11-14 | 2025-12-05 | Fitesa Film Products Llc | Films and laminates for absorbent articles |
| CN116761576A (zh) * | 2021-01-29 | 2023-09-15 | 金伯利-克拉克环球有限公司 | 制造分区纤网的方法 |
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| US4252516A (en) * | 1979-08-23 | 1981-02-24 | Ethyl Corporation | Apparatus for producing perforated film |
| US4463045A (en) | 1981-03-02 | 1984-07-31 | The Procter & Gamble Company | Macroscopically expanded three-dimensional plastic web exhibiting non-glossy visible surface and cloth-like tactile impression |
| US4695422A (en) * | 1984-02-16 | 1987-09-22 | The Procter & Gamble Company | Production of formed material by solid-state formation with a high-pressure liquid stream |
| US4839216A (en) * | 1984-02-16 | 1989-06-13 | The Procter & Gamble Company | Formed material produced by solid-state formation with a high-pressure liquid stream |
| US4681793A (en) * | 1985-05-31 | 1987-07-21 | The Procter & Gamble Company | Non-occluding, liquid-impervious, composite backsheet for absorptive devices |
| US4609518A (en) | 1985-05-31 | 1986-09-02 | The Procter & Gamble Company | Multi-phase process for debossing and perforating a polymeric web to coincide with the image of one or more three-dimensional forming structures |
| US4629643A (en) * | 1985-05-31 | 1986-12-16 | The Procter & Gamble Company | Microapertured polymeric web exhibiting soft and silky tactile impression |
| US4637819A (en) * | 1985-05-31 | 1987-01-20 | The Procter & Gamble Company | Macroscopically expanded three-dimensional polymeric web for transmitting both dynamically deposited and statically contacted fluids from one surface to the other |
| US4772444A (en) * | 1987-08-24 | 1988-09-20 | The Procter & Gamble Company | Method and apparatus for making microbubbled and/or microapertured polymeric webs using hydraulic pressure |
| US4846821A (en) * | 1987-08-24 | 1989-07-11 | The Procter & Gamble Company | Substantially fluid-impervious microbubbled polymeric web exhibiting low levels of noise when subjected to movement |
| US4778644A (en) * | 1987-08-24 | 1988-10-18 | The Procter & Gamble Company | Method and apparatus for making substantially fluid-impervious microbubbled polymeric web using high pressure liquid stream |
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| US20110190686A1 (en) * | 2010-01-29 | 2011-08-04 | Margaret Henderson Hasse | Applicator for feminine hygiene devices |
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| KR102456522B1 (ko) * | 2014-03-25 | 2022-10-18 | 피테사 필름 프로덕츠 엘엘씨 | 마이크로-셀 및 매크로-함몰부를 구비한 성형 필름 |
| WO2016019521A1 (en) * | 2014-08-06 | 2016-02-11 | The Procter & Gamble Company | Method for making an apertured web |
-
2016
- 2016-12-09 KR KR1020187015943A patent/KR20180093912A/ko not_active Ceased
- 2016-12-09 EP EP16873964.7A patent/EP3386700B8/en active Active
- 2016-12-09 CN CN201680071916.3A patent/CN108472828B/zh not_active Expired - Fee Related
- 2016-12-09 WO PCT/US2016/065933 patent/WO2017100647A1/en not_active Ceased
- 2016-12-09 BR BR112018009148A patent/BR112018009148A8/pt not_active Application Discontinuation
- 2016-12-09 JP JP2018522930A patent/JP6963546B2/ja not_active Expired - Fee Related
- 2016-12-09 US US15/374,567 patent/US10335973B2/en not_active Expired - Fee Related
-
2019
- 2019-05-20 US US16/417,447 patent/US10618191B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN108472828A (zh) | 2018-08-31 |
| BR112018009148A2 (pt) | 2018-11-06 |
| JP2018538165A (ja) | 2018-12-27 |
| EP3386700A1 (en) | 2018-10-17 |
| WO2017100647A1 (en) | 2017-06-15 |
| CN108472828B (zh) | 2021-04-09 |
| BR112018009148A8 (pt) | 2019-02-26 |
| US20190270224A1 (en) | 2019-09-05 |
| US10618191B2 (en) | 2020-04-14 |
| US10335973B2 (en) | 2019-07-02 |
| JP6963546B2 (ja) | 2021-11-10 |
| US20170165880A1 (en) | 2017-06-15 |
| EP3386700B8 (en) | 2021-05-05 |
| EP3386700B1 (en) | 2021-03-31 |
| EP3386700A4 (en) | 2019-06-19 |
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