BE876499A - Procede et appareil de fabrication de films perfores - Google Patents

Procede et appareil de fabrication de films perfores

Info

Publication number
BE876499A
BE876499A BE0/195353A BE195353A BE876499A BE 876499 A BE876499 A BE 876499A BE 0/195353 A BE0/195353 A BE 0/195353A BE 195353 A BE195353 A BE 195353A BE 876499 A BE876499 A BE 876499A
Authority
BE
Belgium
Prior art keywords
perforated films
manufacturing perforated
manufacturing
films
perforated
Prior art date
Application number
BE0/195353A
Other languages
English (en)
Inventor
G Raley
J Adams
Original Assignee
Ethyl Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ethyl Corp filed Critical Ethyl Corp
Publication of BE876499A publication Critical patent/BE876499A/fr

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15577Apparatus or processes for manufacturing
    • A61F13/15707Mechanical treatment, e.g. notching, twisting, compressing, shaping
    • A61F13/15731Treating webs, e.g. for giving them a fibrelike appearance, e.g. by embossing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/26Perforating by non-mechanical means, e.g. by fluid jet
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00Shaping 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
    • B29C51/18Thermoforming apparatus
    • B29C51/20Thermoforming apparatus having movable moulds or mould parts
    • B29C51/22Thermoforming apparatus having movable moulds or mould parts rotatable about an axis
    • B29C51/225Thermoforming apparatus having movable moulds or mould parts rotatable about an axis mounted on a vacuum drum
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00Shaping 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
    • B29C51/10Forming by pressure difference, e.g. vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Biomedical Technology (AREA)
  • Forests & Forestry (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Manufacturing & Machinery (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
BE0/195353A 1978-05-24 1979-05-23 Procede et appareil de fabrication de films perfores BE876499A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US90911278A 1978-05-24 1978-05-24

Publications (1)

Publication Number Publication Date
BE876499A true BE876499A (fr) 1979-11-23

Family

ID=25426652

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/195353A BE876499A (fr) 1978-05-24 1979-05-23 Procede et appareil de fabrication de films perfores

Country Status (6)

Country Link
JP (1) JPS5519594A (fr)
BE (1) BE876499A (fr)
CA (1) CA1125973A (fr)
DE (1) DE2921078A1 (fr)
FR (1) FR2426556A1 (fr)
GB (1) GB2021479B (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4441952A (en) * 1981-02-02 1984-04-10 The Procter & Gamble Company Method and apparatus for uniformly debossing and aperturing a resilient plastic web
ATE39821T1 (de) * 1983-10-17 1989-01-15 Procter & Gamble Verfahren und einrichtung zum gleichmaessigen tiefpraegen und fakultativen perforieren einer sich bewegenden kunststoffbahn.
US4741877A (en) * 1983-10-17 1988-05-03 The Procter & Gamble Company Uniformly debossing and aperturing a moving plastic web using stationary support member in forming area
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
SE449298B (sv) * 1984-05-15 1987-04-27 Moelnlycke Ab Absorberande produkt, sasom dambinda, bloja eller sarforband
US4681793A (en) * 1985-05-31 1987-07-21 The Procter & Gamble Company Non-occluding, liquid-impervious, composite backsheet for absorptive devices
US4591523A (en) * 1985-05-31 1986-05-27 The Procter & Gamble Company Apertured macroscopically expanded three-dimensional polymeric web exhibiting breatheability and resistance to fluid transmission
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
JP2928665B2 (ja) * 1991-08-21 1999-08-03 ユニ・チャーム株式会社 吸収性物品の表面シート、およびその製造方法
TW252915B (fr) * 1991-12-25 1995-08-01 Kao Corp
WO1993022207A1 (fr) 1992-04-27 1993-11-11 Dowbrands Inc. Film microperfore et sac de conditionnement fabrique a partir de celui-ci

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1591921A (en) * 1925-03-25 1926-07-06 St Annes Board Mill Co Ltd Suction cylinder or roll of machines for making paper, paper board, mill board, and the like
BE538987A (fr) * 1954-06-16 1900-01-01
US3814101A (en) * 1970-09-17 1974-06-04 Union Carbide Corp Disposable absorbent articles
US3038198A (en) * 1956-01-03 1962-06-12 Kendall & Co Apparatus for perforating thermoplastic sheets
US3929135A (en) * 1974-12-20 1975-12-30 Procter & Gamble Absorptive structure having tapered capillaries
JPS51109068A (ja) * 1975-03-20 1976-09-27 Maruto Kasei Kogyo Kk Kajitsutonoyusoyopatsukuo goseijushishiitoomotsuteseikeisuruhoho

Also Published As

Publication number Publication date
GB2021479A (en) 1979-12-05
FR2426556B1 (fr) 1984-12-14
JPS5519594A (en) 1980-02-12
FR2426556A1 (fr) 1979-12-21
JPS5736130B2 (fr) 1982-08-02
GB2021479B (en) 1982-04-15
CA1125973A (fr) 1982-06-22
DE2921078A1 (de) 1979-12-06

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Legal Events

Date Code Title Description
CA Change of address of the owner of the patent
RE Patent lapsed

Owner name: TREDEGAR INDUSTRIES INC.

Effective date: 19960531