GB2028664B - Double-walled filter mask - Google Patents

Double-walled filter mask

Info

Publication number
GB2028664B
GB2028664B GB7928924A GB7928924A GB2028664B GB 2028664 B GB2028664 B GB 2028664B GB 7928924 A GB7928924 A GB 7928924A GB 7928924 A GB7928924 A GB 7928924A GB 2028664 B GB2028664 B GB 2028664B
Authority
GB
United Kingdom
Prior art keywords
double
filter mask
walled filter
walled
mask
Prior art date
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
GB7928924A
Other versions
GB2028664A (en
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.)
Seplast
Original Assignee
Seplast
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 filed Critical Seplast
Publication of GB2028664A publication Critical patent/GB2028664A/en
Application granted granted Critical
Publication of GB2028664B publication Critical patent/GB2028664B/en
Expired legal-status Critical Current

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)
GB7928924A 1978-08-22 1979-08-20 Double-walled filter mask Expired GB2028664B (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
GB2028664A GB2028664A (en) 1980-03-12
GB2028664B true GB2028664B (en) 1983-01-19

Family

ID=9212007

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7928924A Expired GB2028664B (en) 1978-08-22 1979-08-20 Double-walled filter mask

Country Status (4)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5694925A (en) 1994-07-20 1997-12-09 Tecnol Medical Products, Inc. Face mask with enhanced seal and method
US5699792A (en) 1994-07-20 1997-12-23 Tecnol Medical Products, Inc. Face mask with enhanced facial seal
US5704349A (en) 1987-10-02 1998-01-06 Tecnol Medical Products, Inc. Surgical face mask with darkened glare-reducing strip and visor
US6055982A (en) 1993-12-15 2000-05-02 Kimberly-Clark Worldwide, Inc. Disposable face mask with enhanced fluid barrier

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4850347A (en) * 1980-06-09 1989-07-25 Metric Products, Inc. Face mask
GB2077112B (en) * 1980-06-09 1985-03-13 Metric Prod 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
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
US5724964A (en) * 1993-12-15 1998-03-10 Tecnol Medical Products, Inc. Disposable face mask with enhanced fluid barrier
GB9515213D0 (en) * 1995-07-25 1995-09-20 Kaptex Healthcare Limited Filter assembly
CN1251025A (en) * 1997-01-31 2000-04-19 特克诺尔医疗产品公司 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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5704349A (en) 1987-10-02 1998-01-06 Tecnol Medical Products, Inc. Surgical face mask with darkened glare-reducing strip and visor
US6055982A (en) 1993-12-15 2000-05-02 Kimberly-Clark Worldwide, Inc. Disposable face mask with enhanced fluid barrier
US5694925A (en) 1994-07-20 1997-12-09 Tecnol Medical Products, Inc. Face mask with enhanced seal and method
US5699792A (en) 1994-07-20 1997-12-23 Tecnol Medical Products, Inc. Face mask with enhanced facial seal

Also Published As

Publication number Publication date
ES253924Y (en) 1981-08-16
ES253924U (en) 1981-02-16
GB2028664A (en) 1980-03-12
IT7925184A0 (en) 1979-08-20
FR2433952A1 (en) 1980-03-21
FR2433952B3 (en) 1981-05-29
IT1123538B (en) 1986-04-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee