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CA1158804A - Respirators - Google Patents

Respirators

Info

Publication number
CA1158804A
CA1158804A CA000349880A CA349880A CA1158804A CA 1158804 A CA1158804 A CA 1158804A CA 000349880 A CA000349880 A CA 000349880A CA 349880 A CA349880 A CA 349880A CA 1158804 A CA1158804 A CA 1158804A
Authority
CA
Canada
Prior art keywords
pocket
wearer
fold line
face piece
extending
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
CA000349880A
Other languages
English (en)
French (fr)
Inventor
Joseph R. Hilton
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
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
Application granted granted Critical
Publication of CA1158804A publication Critical patent/CA1158804A/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
    • A41D13/1115—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)
CA000349880A 1979-05-21 1980-04-15 Respirators Expired CA1158804A (en)

Applications Claiming Priority (4)

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

Publications (1)

Publication Number Publication Date
CA1158804A true CA1158804A (en) 1983-12-20

Family

ID=26271596

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000349880A Expired CA1158804A (en) 1979-05-21 1980-04-15 Respirators

Country Status (10)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2938720C2 (de) * 1979-09-25 1982-05-19 Drägerwerk AG, 2400 Lübeck Atemhalbmaske für den Einmalgebrauch
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 (fr) * 2021-06-21 2022-12-23 Aertec Procédé de fabrication d’un masque de protection respiratoire

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1220851A (fr) * 1958-12-12 1960-05-30 Plastiques Soc D Expl Des Masque de protection contre les poussières
BE792892A (fr) * 1971-12-17 1973-03-30 Cema Produkter Masque de protection perfectionne pour le nez et la bouche
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 (de) * 1976-10-01 1977-03-31 Delbag-Luftfilter Gmbh, 1000 Berlin Atemschutzmaske fuer die human- und tieraerztliche praxis und fuer staubgefaehrdete arbeitsbereiche
FR2392683A2 (fr) * 1977-06-01 1978-12-29 Seplast Sa Masque filtrant

Also Published As

Publication number Publication date
AU5709780A (en) 1981-01-15
AU532211B2 (en) 1983-09-22
FR2457107B1 (sv) 1984-12-14
FI64290B (fi) 1983-07-29
SE8003764L (sv) 1980-11-22
FI64290C (fi) 1983-11-10
IT1128471B (it) 1986-05-28
DE3019117A1 (de) 1980-12-04
NO801321L (no) 1980-11-24
IT8053211V0 (it) 1980-05-20
FR2457107A1 (fr) 1980-12-19
FI801274A (fi) 1980-11-22
SE431822B (sv) 1984-03-05
DK167180A (da) 1980-11-22
IT8067788A0 (it) 1980-05-20
NL8002879A (nl) 1980-11-25

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Legal Events

Date Code Title Description
MKEX Expiry