EP 0798513 A3 19990203 - Double walled pipe element for building chimneys
Title (en)
Double walled pipe element for building chimneys
Title (de)
Rohrabschnitt eines doppelwandigen Kaminrohrs für den Schornsteinbau
Title (fr)
Elément tubulaire à double paroi pour la fabrication de cheminées
Publication
Application
Priority
DE 19611580 A 19960323
Abstract (en)
[origin: EP0798513A2] The cylindrical inner (2) and outer (3) pipe each have a wide conically widening end (6,9) and a wide conically tapering end (7,10). The conical ends have the same cone angle of between 0.5 and 2 degrees. The conically tapered ends have a larger diameter along them than the cylindrical parts (5,8) of the inner and outer pipes. A conically tapered end and a conically wider end is positioned near each end side of the pipe section (1). An annular gap (11) free of insulation is formed between the conically tapered end of the inner pipe and the conically wider end of the outer pipe. Insulation (4) extends from the end side of the pipe section with the conically tapered outer pipe and the conically wider inner pipe to the transition between the inner pipe and its conically tapered end or to the outer pipe and its conically wider end.
IPC 1-7
IPC 8 full level
E04F 17/02 (2006.01); F23J 13/04 (2006.01)
CPC (source: EP)
F23J 13/04 (2013.01); F23J 2213/202 (2013.01); F23J 2213/40 (2013.01)
Citation (search report)
- [A] DE 2262668 A1 19740627 - PLEIN WAGNER SOEHNE
- [A] EP 0286488 A1 19881012 - URION DANIEL
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB IE IT LI LU NL SE
DOCDB simple family (publication)
EP 0798513 A2 19971001; EP 0798513 A3 19990203; EP 0798513 B1 20020717; AT E220781 T1 20020815; CZ 287333 B6 20001011; CZ 86397 A3 19971015; DE 19611580 C1 19971030; DE 59707701 D1 20020822; DK 0798513 T3 20021014; ES 2180832 T3 20030216; HU 224184 B1 20050628; HU 9700625 D0 19970528; HU P9700625 A2 19980330; HU P9700625 A3 19981028; SI 0798513 T1 20021231
DOCDB simple family (application)
EP 97102961 A 19970224; AT 97102961 T 19970224; CZ 86397 A 19970320; DE 19611580 A 19960323; DE 59707701 T 19970224; DK 97102961 T 19970224; ES 97102961 T 19970224; HU P9700625 A 19970321; SI 9730400 T 19970224