Rotary drum mill and relevant inner lining

(19)

(11)

EP 1 479 442 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	08.03.2006 Bulletin 2006/10

(43)	Date of publication A2:
	24.11.2004 Bulletin 2004/48

(21)	Application number: 04425366.4

(22)	Date of filing: 20.05.2004

(51)

International Patent Classification (IPC):

B02C 17/22^(2006.01)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
	Designated Extension States:
	AL HR LT LV MK

(30)

Priority:

20.05.2003 IT MI20030996

(71)	Applicant: B & B S.r.l.
	20056 Grezzago (MI) (IT)

(72)	Inventor:
	Bianchi, Enzo 20069 Vaprio d'Adda MI (IT)

(74)	Representative: Pizzoli, Antonio et al
	Società Italiana Brevetti SpA, Via G. Carducci 8 20123 Milano 20123 Milano (IT)

(54)	Rotary drum mill and relevant inner lining

(57) Mill comprising a drum (1) which can be rotated around its longitudinal axis and is provided with an inner lining (2, 3) made of an elastomeric material comprising at least one helicoidal rib of elastomeric material which develops along the inner surface of the drum (1) and substantially acts as a cochlea for the milling bodies and/or the material to be milled. The present invention also relates to an inner lining for this mill.

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