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SE8003764L - respiratory masks - Google Patents

respiratory masks

Info

Publication number
SE8003764L
SE8003764L SE8003764A SE8003764A SE8003764L SE 8003764 L SE8003764 L SE 8003764L SE 8003764 A SE8003764 A SE 8003764A SE 8003764 A SE8003764 A SE 8003764A SE 8003764 L SE8003764 L SE 8003764L
Authority
SE
Sweden
Prior art keywords
frusto
generally
cone
pocket
closed end
Prior art date
Application number
SE8003764A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE431822B (en
Inventor
J R Hilton
Original Assignee
Racal Safety Ltd
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 Racal Safety Ltd filed Critical Racal Safety Ltd
Publication of SE8003764L publication Critical patent/SE8003764L/en
Publication of SE431822B publication Critical patent/SE431822B/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
    • A41D13/1115—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a horizontal pleated pocket
    • 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
    • A41D13/1123—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a duckbill configuration
    • 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
    • A41D13/113—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a vertical fold or weld

Landscapes

  • 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)

Abstract

The present invention relates to a respirator of the type called a filtering face piece which is made from a flat pocket of filtering material of generally frusto-conical shape having an open edge at the larger end of the frusto-cone and a closed end at the smaller end of the frusto-cone, and the closed end of the pocket is formed with fold lines defining a generally quadrilateral surface composed of two identical triangular surfaces which have a common base which in use extends generally in a plane including the mid line of the wearer's face.
SE8003764A 1979-05-21 1980-05-20 FILTERING RESPIRATORY PROTECTION SE431822B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7917612 1979-05-21
GB7918269 1979-05-25

Publications (2)

Publication Number Publication Date
SE8003764L true SE8003764L (en) 1980-11-22
SE431822B SE431822B (en) 1984-03-05

Family

ID=26271596

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8003764A SE431822B (en) 1979-05-21 1980-05-20 FILTERING RESPIRATORY PROTECTION

Country Status (10)

Country Link
AU (1) AU532211B2 (en)
CA (1) CA1158804A (en)
DE (1) DE3019117A1 (en)
DK (1) DK167180A (en)
FI (1) FI64290C (en)
FR (1) FR2457107A1 (en)
IT (2) IT8053211V0 (en)
NL (1) NL8002879A (en)
NO (1) NO801321L (en)
SE (1) SE431822B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2938720C2 (en) * 1979-09-25 1982-05-19 Drägerwerk AG, 2400 Lübeck Breathing half mask for single use
US4419994A (en) * 1980-07-03 1983-12-13 Racal Safety Limited Respirators
US4417575A (en) * 1980-07-03 1983-11-29 Racal Safety Limited Respirators
CA1243963A (en) * 1983-02-01 1988-11-01 Harvey J. Berg Molded nonwoven shaped articles
US6394090B1 (en) * 1999-02-17 2002-05-28 3M Innovative Properties Company Flat-folded personal respiratory protection devices and processes for preparing same
FR3124055A1 (en) * 2021-06-21 2022-12-23 Aertec Process for manufacturing a respiratory protection mask

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1220851A (en) * 1958-12-12 1960-05-30 Plastiques Soc D Expl Des Dust protection mask
BE792892A (en) * 1971-12-17 1973-03-30 Cema Produkter PERFECTED PROTECTIVE MASK FOR NOSE AND MOUTH
US3971369A (en) * 1975-06-23 1976-07-27 Johnson & Johnson Folded cup-like surgical face mask and method of forming the same
GB1556679A (en) * 1976-06-16 1979-11-28 Johnson & Johnson Face mask
DE7631132U1 (en) * 1976-10-01 1977-03-31 Delbag-Luftfilter Gmbh, 1000 Berlin RESPIRATORY MASK FOR HUMAN AND VETERINARY PRACTICE AND FOR DUST-HAZARDOUS WORK AREAS
FR2392683A2 (en) * 1977-06-01 1978-12-29 Seplast Sa Breathing mask with filter element - has semi-rigid porous shell held by plastics coated malleable wires hooked over ears

Also Published As

Publication number Publication date
AU5709780A (en) 1981-01-15
AU532211B2 (en) 1983-09-22
FR2457107B1 (en) 1984-12-14
FI64290B (en) 1983-07-29
FI64290C (en) 1983-11-10
IT1128471B (en) 1986-05-28
DE3019117A1 (en) 1980-12-04
NO801321L (en) 1980-11-24
IT8053211V0 (en) 1980-05-20
CA1158804A (en) 1983-12-20
FR2457107A1 (en) 1980-12-19
FI801274A (en) 1980-11-22
SE431822B (en) 1984-03-05
DK167180A (en) 1980-11-22
IT8067788A0 (en) 1980-05-20
NL8002879A (en) 1980-11-25

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