CH522858A - Air filters, in particular for ceiling installation - Google Patents
Air filters, in particular for ceiling installationInfo
- Publication number
- CH522858A CH522858A CH642470A CH642470A CH522858A CH 522858 A CH522858 A CH 522858A CH 642470 A CH642470 A CH 642470A CH 642470 A CH642470 A CH 642470A CH 522858 A CH522858 A CH 522858A
- Authority
- CH
- Switzerland
- Prior art keywords
- air filters
- ceiling installation
- ceiling
- installation
- filters
- Prior art date
Links
Classifications
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Filtering Materials (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH642470A CH522858A (en) | 1970-04-29 | 1970-04-29 | Air filters, in particular for ceiling installation |
DE19712112756 DE2112756A1 (en) | 1970-04-29 | 1971-03-17 | Air filter, especially for ceiling installation |
NL7104009A NL7104009A (en) | 1970-04-29 | 1971-03-25 | |
ES1971194286U ES194286Y (en) | 1970-04-29 | 1971-04-02 | AIR FILTER, ESPECIALLY FOR INCORPORATION IN ROOFS. |
FR7112695A FR2089465A5 (en) | 1970-04-29 | 1971-04-09 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH642470A CH522858A (en) | 1970-04-29 | 1970-04-29 | Air filters, in particular for ceiling installation |
Publications (1)
Publication Number | Publication Date |
---|---|
CH522858A true CH522858A (en) | 1972-05-15 |
Family
ID=4309403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH642470A CH522858A (en) | 1970-04-29 | 1970-04-29 | Air filters, in particular for ceiling installation |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH522858A (en) |
DE (1) | DE2112756A1 (en) |
ES (1) | ES194286Y (en) |
FR (1) | FR2089465A5 (en) |
NL (1) | NL7104009A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3604565A1 (en) * | 1986-02-10 | 1987-08-13 | Herbst Donald | Filter arrangement |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4371386A (en) * | 1981-05-18 | 1983-02-01 | Veco International, Inc. | Filter housing |
FR2700123B1 (en) * | 1993-01-04 | 1995-06-16 | Cherrier Gerard | WATERPROOF FILTER MOUNTING DEVICE. |
-
1970
- 1970-04-29 CH CH642470A patent/CH522858A/en not_active IP Right Cessation
-
1971
- 1971-03-17 DE DE19712112756 patent/DE2112756A1/en active Pending
- 1971-03-25 NL NL7104009A patent/NL7104009A/xx unknown
- 1971-04-02 ES ES1971194286U patent/ES194286Y/en not_active Expired
- 1971-04-09 FR FR7112695A patent/FR2089465A5/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3604565A1 (en) * | 1986-02-10 | 1987-08-13 | Herbst Donald | Filter arrangement |
Also Published As
Publication number | Publication date |
---|---|
NL7104009A (en) | 1971-11-02 |
FR2089465A5 (en) | 1972-01-07 |
ES194286U (en) | 1974-12-01 |
ES194286Y (en) | 1975-03-16 |
DE2112756A1 (en) | 1971-11-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |