EP 0244589 A1 19871111 - Security filter for filter cassettes of suction cleaners.
Title (en)
Security filter for filter cassettes of suction cleaners.
Title (de)
Sicherheitsfilter für Filterkassetten von Staubsaugern.
Title (fr)
Filtre de sécurité pour cassettes de filtre d'aspirateurs.
Publication
Application
Priority
DE 8612468 U 19860507
Abstract (en)
[origin: US4749386A] The invention is directed to a safety filter for an outlying filter cartridge of a hand-guided vacuum cleaner. The filter cartridge includes a rigid air-permeable jacket and accommodates a paper filter bag which is seated in the jacket. The safety filter is a bag corresponding to the form of the jacket and is made of electrostatically-charged non-woven fabric. The safety filter is mounted between the jacket and the paper filter bag.
Abstract (de)
Es handelt sich um ein Sicherheitsfilter für außenliegende Filterkassetten an Handstaubsaugern. Die Filterkassette besteht aus einem starren, luftdurchlässigen Mantel und in diesen Mantel wird ein Papierfilterbeutel eingesetzt. Das Sicherheitsfilter ist ein der Form des Mantels entsprechender Beutel aus elektrostatisch geladenem Vlies und ist zwischen Mantel und Papierfilterbeutel angeordnet.
IPC 1-7
IPC 8 full level
A47L 9/00 (2006.01); A47L 9/12 (2006.01); A47L 9/14 (2006.01); A47L 13/40 (2006.01); B01D 46/02 (2006.01)
CPC (source: EP US)
A47L 9/00 (2013.01 - EP US); A47L 9/125 (2013.01 - EP US); A47L 9/1427 (2013.01 - EP US); A47L 13/40 (2013.01 - EP US); Y10S 55/02 (2013.01 - EP US); Y10S 55/03 (2013.01 - EP US)
Citation (search report)
- EP 0134395 A1 19850320 - VORWERK CO INTERHOLDING [DE]
- EP 0107785 A1 19840509 - SUOMEN OSUUSKAUPPOJEN KESKUSKU [FI]
- CH 653540 A5 19860115 - VORWERK CO INTERHOLDING
- DE 2219375 A1 19731108 - SIEMENS ELEKTROGERAETE GMBH
- US 2800194 A 19570723 - THEODORUS PEEK ROELOF
- US 3365864 A 19680130 - YOSHITOMO IIZIMA
Designated contracting state (EPC)
AT CH DE ES FR GB IT LI
DOCDB simple family (publication)
DE 8612468 U1 19860710; AU 585711 B2 19890622; AU 7253187 A 19871112; EP 0244589 A1 19871111; FI 871158 A0 19870317; FI 871158 A 19871108; JP S62261318 A 19871113; US 4749386 A 19880607; ZA 873209 B 19871028
DOCDB simple family (application)
DE 8612468 U 19860507; AU 7253187 A 19870506; EP 87103225 A 19870306; FI 871158 A 19870317; JP 8996087 A 19870414; US 4561287 A 19870504; ZA 873209 A 19870505