EP 0391768 B1 19920805 - DRYING AND MIXING DRUM WITH A BURNER FOR THE PREPARATION OF BITUMEN COATED PRODUCTS
Title (en)
DRYING AND MIXING DRUM WITH A BURNER FOR THE PREPARATION OF BITUMEN COATED PRODUCTS
Publication
Application
Priority
FR 8904475 A 19890405
Abstract (en)
[origin: US4988207A] The drying/coating drum comprising a burner (20) whose body (19) penetrates via the discharge end (3) of the drum into a zone which is distant from this end. The gases and the solid materials circulate countercurrent-wise in the drum. The body (19) of the burner (20), fixed relative to the drum (1), is disposed inside an outer peripheral sleeve (22) which is free in rotation about the body (19) of the burner (20). The outer sleeve (22) is connected to the casing (1) of the drum. The end of the outer sleeve (22) corresponding to the end (19a) of the burner from which the flame (14) develops carries a plurality of radially directed blades (25, 26) forming a turbine for sucking gas into the mixing zone (30) and a screen against radiation from the flame (14) of the burner (20) during rotation of the drum.
IPC 1-7
IPC 8 full level
E01C 19/10 (2006.01)
CPC (source: EP US)
E01C 19/1031 (2013.01 - EP US); E01C 19/1036 (2013.01 - EP US); E01C 2019/1086 (2013.01 - EP US); E01C 2019/109 (2013.01 - EP US)
Designated contracting state (EPC)
AT CH DE DK ES GB IT LI NL SE
DOCDB simple family (publication)
EP 0391768 A1 19901010; EP 0391768 B1 19920805; AT E79141 T1 19920815; CA 2013267 A1 19901005; DE 69000242 D1 19920910; DE 69000242 T2 19930401; ES 2034827 T3 19930401; FR 2645556 A1 19901012; FR 2645556 B1 19910719; JP H0363302 A 19910319; US 4988207 A 19910129
DOCDB simple family (application)
EP 90400821 A 19900326; AT 90400821 T 19900326; CA 2013267 A 19900329; DE 69000242 T 19900326; ES 90400821 T 19900326; FR 8904475 A 19890405; JP 9134090 A 19900405; US 50386290 A 19900403