NL90205C - - Google Patents
Info
- Publication number
- NL90205C NL90205C NL90205DA NL90205C NL 90205 C NL90205 C NL 90205C NL 90205D A NL90205D A NL 90205DA NL 90205 C NL90205 C NL 90205C
- Authority
- NL
- Netherlands
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
- B01D46/0091—Including arrangements for environmental or personal protection
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B23/00—Filters for breathing-protection purposes
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0005—Mounting of filtering elements within casings, housings or frames
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
- B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEA17810A DE965012C (en) | 1953-04-16 | 1953-04-16 | HEPA filters made of paper, cardboard or the like for breathing apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
NL90205C true NL90205C (en) |
Family
ID=6923986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL90205D NL90205C (en) | 1953-04-16 |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE965012C (en) |
NL (1) | NL90205C (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1278253B (en) * | 1966-12-24 | 1968-09-19 | Draegerwerk Ag | Method and device for the manufacture of a jacket enclosing a particulate filter insert for respiratory protection devices |
DE3007757A1 (en) * | 1980-02-29 | 1981-09-24 | Drägerwerk AG, 2400 Lübeck | METHOD FOR PRODUCING FILTER ELEMENTS FROM FILTER PAPER |
DE4002078C1 (en) * | 1990-01-25 | 1991-05-02 | Fa. Carl Freudenberg, 6940 Weinheim, De | |
DE4039286C2 (en) * | 1990-12-08 | 2000-11-23 | Mahle Filtersysteme Gmbh | Plate-shaped filter insert for gas filters in particular |
GB9401967D0 (en) * | 1994-02-02 | 1994-03-30 | Ac Rochester Overseas Corp | Air filter |
DE4430333C2 (en) * | 1994-08-29 | 2000-02-17 | Mann & Hummel Filter | filter |
DE202007011586U1 (en) * | 2007-08-17 | 2009-01-02 | Mann+Hummel Gmbh | filter element |
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0
- NL NL90205D patent/NL90205C/xx active
-
1953
- 1953-04-16 DE DEA17810A patent/DE965012C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE965012C (en) | 1957-05-29 |