EP 0341376 A3 19911002 - ROOF VENTILATION PIPE
Title (en)
ROOF VENTILATION PIPE
Publication
Application
Priority
DE 8806101 U 19880507
Abstract (en)
[origin: EP0341376A2] The invention relates to a roof ventilation pipe (1) with a mouth- side grate structure (G) formed at least partially by bars which run in a ring shape, and a cover cap (2) situated above which engages lockingly with the upper pipe end via downwardly directed projections, and proposes, in order to achieve optimum cover cap alignment, that a central projection (4) of the cover cap (2) engages positively in the inside of a circular ring bar (6), and support fingers (10) protrude from the underside of the cover cap, which rest on at least one further-outwardly situated circular ring bar (11) arranged concentrically therewith. <IMAGE>
IPC 1-7
IPC 8 full level
F24F 7/02 (2006.01)
CPC (source: EP US)
F24F 7/02 (2013.01 - EP US)
Citation (search report)
- [A] US 4399743 A 19830823 - IZZI SR LEWIS B [US]
- [A] DE 8710070 U1 19871022
- [A] GB 2052044 A 19810121 - GAF CORP
- [A] US 3892169 A 19750701 - JARNOT FRANK R
Designated contracting state (EPC)
BE DE FR GB NL
DOCDB simple family (publication)
EP 0341376 A2 19891115; EP 0341376 A3 19911002; EP 0341376 B1 19921202; DE 58902853 D1 19930114; DE 8806101 U1 19890907; US 4955167 A 19900911
DOCDB simple family (application)
EP 89102092 A 19890208; DE 58902853 T 19890208; DE 8806101 U 19880507; US 33887589 A 19890414