Global Patent Index - EP 1754010 B1

EP 1754010 B1 2007-10-17 - MULTI-LEVEL FURNACE

Title (en)

MULTI-LEVEL FURNACE

Title (de)

OFEN MIT MEHREREN EBENEN

Title (fr)

FOUR A ETAGES

Publication

EP 1754010 B1 (FR)

Application

EP 05742828 A

Priority

  • EP 2005051628 W
  • LU 91080 A

Abstract (en)

[origin: WO2005119153A1] The inventive multi-level furnace comprises a furnace wall (10) delimiting a cylindrical space having a vertical axis (11), a plurality of beds (12, 22) defining the levels inside said cylindrical space and at least one scraping arm (16, 16'; 26, 26') which is provided with a wall scraper (20, 20',32) and associated with the bed (12, 22) in such a way that it is rotatable about the vertical axis (11) of the furnace. During scraping arm (16, 16'; 26, 26') rotation, said wall scraper (20, 20'; 32) defines a scraped area (52; 52') on the internal surface of the furnace wall (10) which comprises a plurality of wall cavities (54; 54') forming a row of access openings (56; 56') in the scraped area (52; 52'), thereby making it possible to avoid the formation of a hardened crust adhered to the internal surface (42) of the furnace wall (10) and to develop braking shocks in the scraping arm (16, 16'; 26, 26').

IPC 8 full level (invention and additional information)

F27B 9/18 (2006.01); F27D 25/00 (2010.01)

CPC (invention and additional information)

F27B 9/185 (2013.01); F27D 25/001 (2013.01)

Designated contracting state (EPC)

DE ES FR IT PL

EPO simple patent family

WO 2005119153 A1 20051215; AU 2005250591 A1 20051215; AU 2005250591 B2 20090806; BR PI0511653 A 20080102; CA 2567508 A1 20051215; CA 2567508 C 20120605; CN 100465563 C 20090304; CN 1961189 A 20070509; DE 602005002952 D1 20071129; DE 602005002952 T2 20080724; EP 1754010 A1 20070221; EP 1754010 B1 20071017; ES 2296172 T3 20080416; JP 2008501924 A 20080124; JP 4662560 B2 20110330; LU 91080 A1 20051205; RU 2006146614 A 20080727; RU 2365841 C2 20090827; TW 200540385 A 20051216; TW I314638 B 20090911; US 2007209563 A1 20070913; US 7735434 B2 20100615; ZA 200609602 B 20080130

INPADOC legal status


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2008-09-24 [26N] NO OPPOSITION FILED

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2007-11-29 [REF] CORRESPONDS TO:

- Document: DE 602005002952 P 20071129

2007-10-17 [AK] DESIGNATED CONTRACTING STATES:

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