EP 1617139 B1 20160831 - Pipe in a fire tube boiler
Title (en)
Pipe in a fire tube boiler
Title (de)
Rohr in einem Rauchrohrkessel
Title (fr)
Conduite dans une chaudière à tubes de fumées
Publication
Application
Priority
IT MN20040019 A 20040713
Abstract (en)
[origin: EP1617139A1] A pipe (1) in a fire tube boiler, designed to convey the combustion gases and to be struck at its outer surface by the water to be heated, comprising a wall (2) which has a constant thickness along its entire length and a plurality of fins which protrude monolithically from at least one arc-like support (3,4), which is associated in contact with the internal surface of the wall.
IPC 8 full level
F22B 37/06 (2006.01); F24H 1/40 (2006.01); F24H 9/00 (2006.01); F28F 1/40 (2006.01)
CPC (source: EP US)
F22B 37/06 (2013.01 - EP US); F24H 9/0026 (2013.01 - EP US); F28F 1/40 (2013.01 - EP US); F24H 1/40 (2013.01 - EP US)
Citation (opposition)
Opponent : Hoval Aktiengesellschaft
- US 2930405 A 19600329 - WELSH ORAL S
- JP 2004309074 A 20041104 - USUI KOKUSAI SANGYO KK
- JP 2003254690 A 20030910 - USUI KOKUSAI SANGYO KK
- DE 9405062 U1 19940526 - HOVAL INTERLIZ AG [LI]
- EP 0752088 A1 19970108 - HOVAL INTERLIZ AG [LI]
- DE 3231322 A1 19840223 - HEIM KURT
- DE 2920057 C2 19820916
- DE 8511562 U1 19850725
- US 2203317 A 19400604 - WOLDEN OSCAR E
- US 1692529 A 19281120 - JOHANN ZAGORSKI
- US 3267564 A 19660823 - KEYES JOHN M
- US 813918 A 19060227 - SCHMITZ ALBERT [DE]
- US 3267563 A 19660823 - SEATON RALPH E
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1617139 A1 20060118; EP 1617139 B1 20160831; ES 2612012 T3 20170511; IT MN20040019 A1 20041013; PL 1617139 T3 20170228; US 2006201451 A1 20060914
DOCDB simple family (application)
EP 05014961 A 20050711; ES 05014961 T 20050711; IT MN20040019 A 20040713; PL 05014961 T 20050711; US 43349306 A 20060515