Exhaustion device for the removal of the dust produced by cutting paperboard, paper and the like

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(11)

EP 0 887 160 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	01.12.1999 Bulletin 1999/48

(43)	Date of publication A2:
	30.12.1998 Bulletin 1998/53

(21)	Application number: 98111496.0

(22)	Date of filing: 23.06.1998

(51)	International Patent Classification (IPC)⁶: B26D 7/18, B08B 15/04

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

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Priority:

25.06.1997 IT MI971495

(71)	Applicant: Fis Impianti S.r.l.
	20060 Cassina de Pecchi (MI) (IT)

(72)	Inventor:
	Malnati, Fabio 20060 Cassina De Pecchi MI (IT)

(74)	Representative: Trupiano, Roberto et al
	BREVETTI EUROPA S.r.l. Piazza Bernini, 6 20133 Milano (MI) 20133 Milano (MI) (IT)

(54)	Exhaustion device for the removal of the dust produced by cutting paperboard, paper and the like

(57) Dust exhaustion device suitable for the removal of dusty residues and the like produced on the machines for the rectilinear cutting of paperboard sheets and the like by a discoid cutting blade; said device is constituted by an upper suction duct (1a), located parallel to the cutting blade (9), and so arched as to expose its suction mouth (1c) before said blade; there being also provided a suction duct (2) located under the cutting top, downstream of said discoid blade and connected to said suitably perforated top through a grooved drilled plate (3)
Said upper suction duct (1a) and said lower suction duct (2) being then connected to a suction unit (14) with the interposition of at least a filtering unit (15) for the collection of the residues exhausted through said two ducts.

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