IT1123538B - DOUBLE WALL FILTERING MASK - Google Patents

DOUBLE WALL FILTERING MASK

Info

Publication number
IT1123538B
IT1123538B IT25184/79A IT2518479A IT1123538B IT 1123538 B IT1123538 B IT 1123538B IT 25184/79 A IT25184/79 A IT 25184/79A IT 2518479 A IT2518479 A IT 2518479A IT 1123538 B IT1123538 B IT 1123538B
Authority
IT
Italy
Prior art keywords
double wall
filtering mask
wall filtering
mask
double
Prior art date
Application number
IT25184/79A
Other languages
Italian (it)
Other versions
IT7925184A0 (en
Inventor
Bernard Thiebault
Original Assignee
Seplast Sa
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 Seplast Sa filed Critical Seplast Sa
Publication of IT7925184A0 publication Critical patent/IT7925184A0/en
Application granted granted Critical
Publication of IT1123538B publication Critical patent/IT1123538B/en

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
    • B01D39/1615—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of natural origin
    • 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
    • B01D39/1669—Cellular material
    • B01D39/1676—Cellular material of synthetic origin

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
IT25184/79A 1978-08-22 1979-08-20 DOUBLE WALL FILTERING MASK IT1123538B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7824405A FR2433952A1 (en) 1978-08-22 1978-08-22 DOUBLE WALL FILTERING MASK

Publications (2)

Publication Number Publication Date
IT7925184A0 IT7925184A0 (en) 1979-08-20
IT1123538B true IT1123538B (en) 1986-04-30

Family

ID=9212007

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25184/79A IT1123538B (en) 1978-08-22 1979-08-20 DOUBLE WALL FILTERING MASK

Country Status (4)

Country Link
ES (1) ES253924Y (en)
FR (1) FR2433952A1 (en)
GB (1) GB2028664B (en)
IT (1) IT1123538B (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2077112B (en) * 1980-06-09 1985-03-13 Metric Prod Inc Face mask
US4850347A (en) * 1980-06-09 1989-07-25 Metric Products, Inc. Face mask
US4454881A (en) * 1981-08-21 1984-06-19 Moldex/Metric Products, Inc. Multi-layer face mask with molded edge bead
DE3204322A1 (en) * 1982-02-09 1983-08-11 Drägerwerk AG, 2400 Lübeck FILTERING BREATH HALF MASK
DE3719420A1 (en) * 1987-06-11 1988-12-29 Sandler Helmut Helsa Werke RESPIRATORY MASK
US5150703A (en) 1987-10-02 1992-09-29 Tecnol Medical Products, Inc. Liquid shield visor for a surgical mask with a bottom notch to reduce glare
GB9214716D0 (en) * 1992-07-10 1992-08-19 Emmark Technology Tracheostomy filter
US5765556A (en) * 1992-12-16 1998-06-16 Tecnol Medical Products, Inc. Disposable aerosol mask with face shield
US5553608A (en) * 1994-07-20 1996-09-10 Tecnol Medical Products, Inc. Face mask with enhanced seal and method
US6055982A (en) 1993-12-15 2000-05-02 Kimberly-Clark Worldwide, Inc. Disposable face mask with enhanced fluid barrier
US5724964A (en) * 1993-12-15 1998-03-10 Tecnol Medical Products, Inc. Disposable face mask with enhanced fluid barrier
US5699792A (en) 1994-07-20 1997-12-23 Tecnol Medical Products, Inc. Face mask with enhanced facial seal
GB9515213D0 (en) * 1995-07-25 1995-09-20 Kaptex Healthcare Limited Filter assembly
WO1998033403A1 (en) * 1997-01-31 1998-08-06 Tecnol Medical Products, Inc. Non-particulating and low particulating disposable products for use in clean room environments
US6173712B1 (en) 1998-04-29 2001-01-16 Kimberly-Clark Worldwide, Inc. Disposable aerosol mask with disparate portions
JP2004535279A (en) * 2001-04-24 2004-11-25 ラーシュ，ウルリッチ Intake air filter
ITPS20040007A1 (en) * 2004-02-18 2004-05-18 Cl Com Advanced Tecnology Srl PROTECTION MASK AGAINST BIOLOGICAL AGENTS
US20060005838A1 (en) * 2004-07-07 2006-01-12 Mark Magidson Multi-layer face mask with foamed in place edge member
AT9370U1 (en) * 2006-07-03 2007-09-15 Thomas Mag Roiser CONNECTION BETWEEN SURFACE PARTS
WO2019000344A1 (en) * 2017-06-29 2019-01-03 黄玉倩 Hygiene mask

Also Published As

Publication number Publication date
FR2433952B3 (en) 1981-05-29
GB2028664B (en) 1983-01-19
ES253924Y (en) 1981-08-16
IT7925184A0 (en) 1979-08-20
GB2028664A (en) 1980-03-12
ES253924U (en) 1981-02-16
FR2433952A1 (en) 1980-03-21

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