EP 0401481 B1 19920916 - AIR EGRESS
Title (en)
AIR EGRESS
Publication
Application
Priority
DE 3918218 A 19890603
Abstract (en)
[origin: EP0401481A1] An air egress has a perforated shell (1) and a base (3) provided with closeable air passage apertures (3a). Within the shell (1), one or more shutter rings (5 or 18a and 18b) are arranged to be vertically displaceable or twistable or displaceable and twistable. <IMAGE>
IPC 1-7
IPC 8 full level
F24F 13/06 (2006.01); F24F 13/068 (2006.01); F24F 13/08 (2006.01)
CPC (source: EP KR US)
F24F 13/02 (2013.01 - KR); F24F 13/068 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE DE ES FR GB GR IT SE
DOCDB simple family (publication)
EP 0401481 A1 19901212; EP 0401481 B1 19920916; AT E80719 T1 19921015; CA 2017943 A1 19901203; CA 2017943 C 19990824; DD 298025 A5 19920130; DE 3918218 A1 19901206; DE 3918218 C2 19990819; DE 59000306 D1 19921022; DE 8916264 U1 19960704; DE 9007820 U1 19970710; ES 2035670 T3 19930416; GR 3006076 T3 19930621; KR 910001332 A 19910130; PL 164256 B1 19940729; PL 285325 A1 19911104; SU 1838728 A3 19930830; US 5099754 A 19920331
DOCDB simple family (application)
EP 90105307 A 19900321; AT 90105307 T 19900321; CA 2017943 A 19900531; DD 34126390 A 19900601; DE 3918218 A 19890603; DE 59000306 T 19900321; DE 8916264 U 19890603; DE 9007820 U 19900321; ES 90105307 T 19900321; GR 920402405 T 19921026; KR 900008211 A 19900604; PL 28532590 A 19900524; SU 4830051 A 19900601; US 53476290 A 19900601