GB1525785A - Support screens for filter containers - Google Patents

Support screens for filter containers

Info

Publication number
GB1525785A
GB1525785A GB1988976A GB1988976A GB1525785A GB 1525785 A GB1525785 A GB 1525785A GB 1988976 A GB1988976 A GB 1988976A GB 1988976 A GB1988976 A GB 1988976A GB 1525785 A GB1525785 A GB 1525785A
Authority
GB
United Kingdom
Prior art keywords
medium
elements
screen
defining
breathing 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
GB1988976A
Other languages
English (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.)
Pirelli and C SpA
Original Assignee
Pirelli SpA
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 Pirelli SpA filed Critical Pirelli SpA
Publication of GB1525785A publication Critical patent/GB1525785A/en
Expired legal-status Critical Current

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

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Closures For Containers (AREA)
GB1988976A 1975-05-28 1976-05-14 Support screens for filter containers Expired GB1525785A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2378075A IT1038546B (it) 1975-05-28 1975-05-28 Diaframma di supporto del materiale filtrante per mascheredi respira zione

Publications (1)

Publication Number Publication Date
GB1525785A true GB1525785A (en) 1978-09-20

Family

ID=11209914

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1988976A Expired GB1525785A (en) 1975-05-28 1976-05-14 Support screens for filter containers

Country Status (4)

Country Link
DE (1) DE2623793A1 (enrdf_load_stackoverflow)
FR (1) FR2312266A1 (enrdf_load_stackoverflow)
GB (1) GB1525785A (enrdf_load_stackoverflow)
IT (1) IT1038546B (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2151944A (en) * 1983-12-29 1985-07-31 Bernard Lancesseur Absorbing capsule
GB2297923A (en) * 1995-02-15 1996-08-21 L Air Liquide Societe Anonmyne Arrangement of a retaining grille of an active material in a vessel, and a vessel so equipped
WO2013008226A1 (en) * 2011-07-12 2013-01-17 Yarok Bair Protection Industries Ltd. Carbon filter device and air filter apparatus

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE431758B (sv) * 1977-03-04 1984-02-27 Pharmacia Fine Chemicals Ab Som tioleringsreagens eller berarmatris for enzymer anvendbart derivat av en sh-grupphaltig polymer
US4543112A (en) * 1984-04-30 1985-09-24 Figgie International Inc. Sorbent type filter assembly for a respirator and method of making same
DE3612924A1 (de) * 1986-04-17 1987-10-22 Draegerwerk Ag Patrone zur aufbereitung von atemgas
DE3719419A1 (de) * 1987-06-11 1988-12-29 Sandler Helmut Helsa Werke Filterpatrone fuer eine atemschutzmaske
DE19816871C2 (de) * 1998-04-16 2002-05-08 Sartorius Gmbh Filtrationseinheit zur Entfernung von Schadstoffen aus Fluiden

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE652125C (de) * 1937-10-25 Draegerwerk Heinr U Bernh Drae Atemschutzfilter
FR803143A (fr) * 1935-06-11 1936-09-23 & De Construction De Materiel Cartouche filtrante pour appareils respiratoires
DE1225499B (de) * 1964-06-25 1966-09-22 Medizintechnik Leipzig Veb Atemschutzfilter mit koerniger Filtermasse
DE2217761C2 (de) * 1971-07-17 1981-10-01 Drägerwerk AG, 2400 Lübeck Schwebstoffiltereinsatz für Atemschutzgeräte aus einer gefalteten Filterschicht und einem, deren Rand umschließenden Ring
IT7321796U1 (it) * 1973-07-04 1975-01-04 Pirelli Contenitore in materiale sintetico plastico per filtro di maschera per la respirazione

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2151944A (en) * 1983-12-29 1985-07-31 Bernard Lancesseur Absorbing capsule
GB2297923A (en) * 1995-02-15 1996-08-21 L Air Liquide Societe Anonmyne Arrangement of a retaining grille of an active material in a vessel, and a vessel so equipped
GB2297923B (en) * 1995-02-15 1999-08-11 L Air Liquide Societe Anonmyne Arrangement of a retaining grille of an active material in a vessel, and a vessel so equipped
WO2013008226A1 (en) * 2011-07-12 2013-01-17 Yarok Bair Protection Industries Ltd. Carbon filter device and air filter apparatus

Also Published As

Publication number Publication date
IT1038546B (it) 1979-11-30
DE2623793C2 (enrdf_load_stackoverflow) 1988-07-14
FR2312266B1 (enrdf_load_stackoverflow) 1978-11-17
FR2312266A1 (fr) 1976-12-24
DE2623793A1 (de) 1976-12-09

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Legal Events

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

Effective date: 19940514