IT1026400B - Prodotto in foglio poroso incorporante una disposizione tridimensionale di particelle che debrono in teragire con una sostanza fluida in particolare per maschere facciali per la respirazione in ambienti contenenti vapori nocivi - Google Patents

Prodotto in foglio poroso incorporante una disposizione tridimensionale di particelle che debrono in teragire con una sostanza fluida in particolare per maschere facciali per la respirazione in ambienti contenenti vapori nocivi

Info

Publication number
IT1026400B
IT1026400B IT47759/75A IT4775975A IT1026400B IT 1026400 B IT1026400 B IT 1026400B IT 47759/75 A IT47759/75 A IT 47759/75A IT 4775975 A IT4775975 A IT 4775975A IT 1026400 B IT1026400 B IT 1026400B
Authority
IT
Italy
Prior art keywords
teracing
debrate
breathing
particles
product
Prior art date
Application number
IT47759/75A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1026400B publication Critical patent/IT1026400B/it

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/02—Filters for breathing-protection purposes for respirators
    • A62B23/025—Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-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
    • D04H1/407—Non-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
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-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
    • D04H1/54—Non-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
    • D04H1/56—Non-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
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256—Heavy 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)
IT47759/75A 1974-01-21 1975-01-20 Prodotto in foglio poroso incorporante una disposizione tridimensionale di particelle che debrono in teragire con una sostanza fluida in particolare per maschere facciali per la respirazione in ambienti contenenti vapori nocivi IT1026400B (it)

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 (1)

Publication Number Publication Date
IT1026400B true IT1026400B (it) 1978-09-20

Family

ID=27030465

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47759/75A IT1026400B (it) 1974-01-21 1975-01-20 Prodotto in foglio poroso incorporante una disposizione tridimensionale di particelle che debrono in teragire con una sostanza fluida in particolare per maschere facciali per la respirazione in ambienti contenenti vapori nocivi

Country Status (16)

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

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* Cited by examiner, † Cited by third party
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US3971373A (en) 1976-07-27
FR2258258A1 (it) 1975-08-18
JPS5243945B2 (it) 1977-11-02
SE439649B (sv) 1985-06-24
SE7500253L (it) 1975-07-22
AU7742775A (en) 1976-07-22
NL170029B (nl) 1982-04-16
AR202963A1 (es) 1975-07-31
NL7500302A (nl) 1975-07-23
JPS50105974A (it) 1975-08-21
FR2258258B1 (it) 1977-11-18
DE2502096C3 (de) 1987-07-09
YU4375A (en) 1982-06-30
DE2502096B2 (de) 1979-08-23
CA1041073A (en) 1978-10-24
CH586304A5 (it) 1977-03-31
GB1493183A (en) 1977-11-23
ES433735A1 (es) 1977-02-16
NL170029C (nl) 1982-09-16
MX2954E (es) 1980-01-03
DE2502096A1 (de) 1975-12-11
BR7500358A (pt) 1975-11-04
BE824562A (fr) 1975-07-22

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