DE1299534B - HEPA filter insert made of folded HEPA filter material for HEPA filters of respiratory protection devices and processes for manufacturing the filter insert - Google Patents

HEPA filter insert made of folded HEPA filter material for HEPA filters of respiratory protection devices and processes for manufacturing the filter insert

Info

Publication number
DE1299534B
DE1299534B DED51878A DED0051878A DE1299534B DE 1299534 B DE1299534 B DE 1299534B DE D51878 A DED51878 A DE D51878A DE D0051878 A DED0051878 A DE D0051878A DE 1299534 B DE1299534 B DE 1299534B
Authority
DE
Germany
Prior art keywords
hepa
filter insert
fold
folded
hepa filter
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.)
Pending
Application number
DED51878A
Other languages
German (de)
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.)
Draegerwerk AG and Co KGaA
Original Assignee
Draegerwerk AG and Co KGaA
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 Draegerwerk AG and Co KGaA filed Critical Draegerwerk AG and Co KGaA
Priority to DED51878A priority Critical patent/DE1299534B/en
Publication of DE1299534B publication Critical patent/DE1299534B/en
Pending 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

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Description

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

Claims (2)

Patentansprüche:Patent claims: 1. Schwebstoffiltereinsatz aus gefaltetem Schwebstofffiltermaterial für Schwebstoffilter von Atemschutzgeräten mit zwischen den Falten des Schwebstoffiltereinsatzes 'angeordneten, quer zu den Faltenkanten verlaufenden, aus mit dem Schwebstoffiltermaterial verbundener Klebmasse bestehenden Abstandhaltern, dadurch gekennzeichnet, daß die Abstandhalter (5) aus sich nur über einen Teil der Faltenhöhe von den beiden sich gegenüberliegenden Faltenkanten (2) ins Falteninnere erstreckenden, mit beiden Faltenwänden verbundenen eingegossenen Stegen bestehen. 1. HEPA filter insert made of folded HEPA filter material for HEPA filters from Breathing apparatus with between the folds of the HEPA filter insert 'arranged, transversely to the fold edges, made of adhesive bonded to the particulate filter material existing spacers, characterized in that the spacers (5) from only over part of the fold height from the two opposite fold edges (2) There are cast-in webs that extend into the interior of the fold and are connected to both fold walls. 2. Verfahren zum Herstellen von Schwebstofffiltereinsätzen nach Anspruch 1, dadurch gekennzeichnet, daß über die in einer horizontalen Ebene befindliehen Faltenkanten (2) einer gefalteten Bahn des Schwebstoffiltermaterials quer zu den Faltenkanten Streifen aus einer nach dem Auftragen erstarrenden Klebmasse aufgebracht und die Falten bis zum Erstarren der Klebmasse in dem gewünschten Abstand gehalten werden.2. A method for producing particulate filter inserts according to claim 1, characterized in that that one folded over the fold edges (2) located in a horizontal plane Web of the particulate filter material across the fold edges of a strip after application Applied solidifying adhesive and the folds until the adhesive solidifies in be kept at the desired distance.
DED51878A 1966-12-24 1966-12-24 HEPA filter insert made of folded HEPA filter material for HEPA filters of respiratory protection devices and processes for manufacturing the filter insert Pending DE1299534B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DED51878A DE1299534B (en) 1966-12-24 1966-12-24 HEPA filter insert made of folded HEPA filter material for HEPA filters of respiratory protection devices and processes for manufacturing the filter insert

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED51878A DE1299534B (en) 1966-12-24 1966-12-24 HEPA filter insert made of folded HEPA filter material for HEPA filters of respiratory protection devices and processes for manufacturing the filter insert

Publications (1)

Publication Number Publication Date
DE1299534B true DE1299534B (en) 1969-07-17

Family

ID=7053727

Family Applications (1)

Application Number Title Priority Date Filing Date
DED51878A Pending DE1299534B (en) 1966-12-24 1966-12-24 HEPA filter insert made of folded HEPA filter material for HEPA filters of respiratory protection devices and processes for manufacturing the filter insert

Country Status (1)

Country Link
DE (1) DE1299534B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4328846A1 (en) * 1993-08-27 1995-03-02 Mann & Hummel Filter Process for manufacturing a filter insert
DE19755466A1 (en) * 1997-12-03 1999-06-10 Jacobi Systemtechnik Gmbh Glue application for continuous filter element manufacture
US7442221B2 (en) 2005-06-21 2008-10-28 Mann & Hummel Gmbh Filter element
EP1970114A3 (en) * 2007-03-14 2010-05-19 Atex-Filter GmbH & Co. OHG Filter, particularly air filter, with fluid collection device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2569243A (en) * 1945-12-15 1951-09-25 Purolator Products Inc Filter
DE1121438B (en) * 1955-01-21 1962-01-04 Armand Jacques Julien Poelman Filter insert made of a length of zigzag folded filter paper strips
DE1182527B (en) * 1957-12-02 1964-11-26 Draegerwerk Ag Process for the production of particulate filter inserts and particulate filter insert produced by this process

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2569243A (en) * 1945-12-15 1951-09-25 Purolator Products Inc Filter
DE1121438B (en) * 1955-01-21 1962-01-04 Armand Jacques Julien Poelman Filter insert made of a length of zigzag folded filter paper strips
DE1182527B (en) * 1957-12-02 1964-11-26 Draegerwerk Ag Process for the production of particulate filter inserts and particulate filter insert produced by this process

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4328846A1 (en) * 1993-08-27 1995-03-02 Mann & Hummel Filter Process for manufacturing a filter insert
US5622583A (en) * 1993-08-27 1997-04-22 Filterwerk Mann & Hummel Gmbh Method of producing a filter insert
DE4328846C2 (en) * 1993-08-27 1999-05-20 Mann & Hummel Filter Process for producing a filter insert and filter insert produced by this method
DE19755466A1 (en) * 1997-12-03 1999-06-10 Jacobi Systemtechnik Gmbh Glue application for continuous filter element manufacture
US7442221B2 (en) 2005-06-21 2008-10-28 Mann & Hummel Gmbh Filter element
EP1970114A3 (en) * 2007-03-14 2010-05-19 Atex-Filter GmbH & Co. OHG Filter, particularly air filter, with fluid collection device

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