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FR2258258B1 - - Google Patents

Info

Publication number
FR2258258B1
FR2258258B1 FR7501587A FR7501587A FR2258258B1 FR 2258258 B1 FR2258258 B1 FR 2258258B1 FR 7501587 A FR7501587 A FR 7501587A FR 7501587 A FR7501587 A FR 7501587A FR 2258258 B1 FR2258258 B1 FR 2258258B1
Authority
FR
France
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.)
Expired
Application number
FR7501587A
Other versions
FR2258258A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of FR2258258A1 publication Critical patent/FR2258258A1/fr
Application granted granted Critical
Publication of FR2258258B1 publication Critical patent/FR2258258B1/fr
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00Filters for breathing-protection purposes
    • A62B23/02Filters for breathing-protection purposes for respirators
    • A62B23/025Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/407Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties containing absorbing substances, e.g. activated carbon
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/56Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/25Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256Heavy metal or aluminum or compound thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Nonwoven Fabrics (AREA)
  • Filtering Materials (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
FR7501587A 1974-01-21 1975-01-20 Expired FR2258258B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US43519874A 1974-01-21 1974-01-21
US05/530,070 US3971373A (en) 1974-01-21 1974-12-06 Particle-loaded microfiber sheet product and respirators made therefrom

Publications (2)

Publication Number Publication Date
FR2258258A1 FR2258258A1 (fr) 1975-08-18
FR2258258B1 true FR2258258B1 (fr) 1977-11-18

Family

ID=27030465

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7501587A Expired FR2258258B1 (fr) 1974-01-21 1975-01-20

Country Status (16)

Country Link
US (1) US3971373A (fr)
JP (1) JPS5243945B2 (fr)
AR (1) AR202963A1 (fr)
BE (1) BE824562A (fr)
BR (1) BR7500358A (fr)
CA (1) CA1041073A (fr)
CH (1) CH586304A5 (fr)
DE (1) DE2502096C3 (fr)
ES (1) ES433735A1 (fr)
FR (1) FR2258258B1 (fr)
GB (1) GB1493183A (fr)
IT (1) IT1026400B (fr)
MX (1) MX2954E (fr)
NL (1) NL170029C (fr)
SE (1) SE439649B (fr)
YU (1) YU4375A (fr)

Families Citing this family (359)

* Cited by examiner, † Cited by third party
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JPS5472942U (fr) * 1977-11-02 1979-05-24
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NL7500302A (nl) 1975-07-23
AU7742775A (en) 1976-07-22
AR202963A1 (es) 1975-07-31
SE439649B (sv) 1985-06-24
JPS5243945B2 (fr) 1977-11-02
IT1026400B (it) 1978-09-20
NL170029C (nl) 1982-09-16
CA1041073A (fr) 1978-10-24
ES433735A1 (es) 1977-02-16
DE2502096A1 (de) 1975-12-11
GB1493183A (en) 1977-11-23
DE2502096C3 (de) 1987-07-09
BE824562A (fr) 1975-07-22
CH586304A5 (fr) 1977-03-31
US3971373A (en) 1976-07-27
SE7500253L (fr) 1975-07-22
JPS50105974A (fr) 1975-08-21
FR2258258A1 (fr) 1975-08-18
NL170029B (nl) 1982-04-16
YU4375A (en) 1982-06-30
BR7500358A (pt) 1975-11-04
DE2502096B2 (de) 1979-08-23
MX2954E (es) 1980-01-03

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