ZA84731B - Molded nonwoven shaped articles - Google Patents

Molded nonwoven shaped articles

Info

Publication number
ZA84731B
ZA84731B ZA84731A ZA84731A ZA84731B ZA 84731 B ZA84731 B ZA 84731B ZA 84731 A ZA84731 A ZA 84731A ZA 84731 A ZA84731 A ZA 84731A ZA 84731 B ZA84731 B ZA 84731B
Authority
ZA
South Africa
Prior art keywords
shaped articles
molded nonwoven
nonwoven shaped
molded
articles
Prior art date
Application number
ZA84731A
Other languages
English (en)
Inventor
Harvey Jean Berg
George Evans Krankkala
Original Assignee
Minnesota Mining & Mfg
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 Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Publication of ZA84731B publication Critical patent/ZA84731B/xx

Links

Classifications

    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
    • A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
    • A41D13/1138—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a cup configuration
    • A41D13/1146—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a cup configuration obtained by moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • B01D39/163—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin sintered or bonded

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nonwoven Fabrics (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Filtering Materials (AREA)
ZA84731A 1983-02-01 1984-01-31 Molded nonwoven shaped articles ZA84731B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US46292783A 1983-02-01 1983-02-01

Publications (1)

Publication Number Publication Date
ZA84731B true ZA84731B (en) 1985-09-25

Family

ID=23838270

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA84731A ZA84731B (en) 1983-02-01 1984-01-31 Molded nonwoven shaped articles

Country Status (9)

Country Link
EP (1) EP0121299B1 (es)
JP (1) JPS59144665A (es)
AU (1) AU571192B2 (es)
BR (1) BR8400397A (es)
CA (1) CA1243963A (es)
DE (1) DE3483369D1 (es)
ES (1) ES8506457A1 (es)
MX (1) MX157856A (es)
ZA (1) ZA84731B (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4807619A (en) * 1986-04-07 1989-02-28 Minnesota Mining And Manufacturing Company Resilient shape-retaining fibrous filtration face mask
EP0468743A1 (en) * 1990-07-24 1992-01-29 Universal Filtration (Proprietary) Limited Manufacture of filter elements
US5307796A (en) 1990-12-20 1994-05-03 Minnesota Mining And Manufacturing Company Methods of forming fibrous filtration face masks
US5190657A (en) * 1991-07-22 1993-03-02 Lydall, Inc. Blood filter and method of filtration
US5374458A (en) * 1992-03-13 1994-12-20 Minnesota Mining And Manufacturing Company Molded, multiple-layer face mask
US5753343A (en) * 1992-08-04 1998-05-19 Minnesota Mining And Manufacturing Company Corrugated nonwoven webs of polymeric microfiber
US5817584A (en) * 1995-12-22 1998-10-06 Kimberly-Clark Worldwide, Inc. High efficiency breathing mask fabrics
GB9924549D0 (en) 1999-10-19 1999-12-22 Hepworth Minerals & Chemicals Filter materials and methods for the production thereof
JP2003320041A (ja) * 2002-05-02 2003-11-11 Shigematsu Works Co Ltd マスク
US8091550B2 (en) * 2003-12-22 2012-01-10 Kimberly-Clark Worldwide, Inc. Face mask having baffle layer for improved fluid resistance
US7905973B2 (en) * 2006-07-31 2011-03-15 3M Innovative Properties Company Molded monocomponent monolayer respirator
US9770058B2 (en) 2006-07-17 2017-09-26 3M Innovative Properties Company Flat-fold respirator with monocomponent filtration/stiffening monolayer
DE102019203267A1 (de) * 2019-03-11 2020-09-17 Adidas Ag Form, Verfahren und System zum Verarbeiten eines thermoplastischen Textils

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3220409A (en) * 1961-03-28 1965-11-30 Johnson & Johnson Face mask
US3333585A (en) * 1964-12-14 1967-08-01 Minnesota Mining & Mfg Cold weather face mask
US3499810A (en) * 1967-05-31 1970-03-10 Du Pont Method of making a bonded nonwoven web of staple-length filaments
GB1524713A (en) * 1975-04-11 1978-09-13 Ici Ltd Autogeneously bonded non-woven fibrous structure
GB1596025A (en) * 1977-03-03 1981-08-19 Ici Ltd Shaped nonwoven fabrics
JPS5593861A (en) * 1979-01-10 1980-07-16 Hitachi Taura Kogyo Method and apparatus for producing nonwoven fabric or papers by dry method
JPS55112357A (en) * 1979-02-20 1980-08-29 Chisso Corp Production of nonwoven fabric
AU532211B2 (en) * 1979-05-21 1983-09-22 Racal Safety Ltd. Respirator
DE3007343A1 (de) * 1980-02-27 1981-09-10 Johann Borgers Gmbh & Co Kg, 4290 Bocholt Verfahren zur herstellung von formteilen aus faservlies
CA1190486A (en) * 1980-08-08 1985-07-16 Harold J. Seppala Filter media comprising dissimilar electrically charged layers
AU8691282A (en) * 1981-08-07 1983-03-03 Gorman Siebe & Co. Ltd. Face mask

Also Published As

Publication number Publication date
EP0121299B1 (en) 1990-10-10
AU571192B2 (en) 1988-04-14
AU2392984A (en) 1984-08-02
EP0121299A2 (en) 1984-10-10
JPS59144665A (ja) 1984-08-18
BR8400397A (pt) 1984-09-04
DE3483369D1 (de) 1990-11-15
EP0121299A3 (en) 1986-07-16
ES529273A0 (es) 1985-07-16
CA1243963A (en) 1988-11-01
MX157856A (es) 1988-12-16
ES8506457A1 (es) 1985-07-16

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