Press for mechanical dehydration

(19)

(11)

EP 1 990 180 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	21.10.2009 Bulletin 2009/43

(43)	Date of publication A2:
	12.11.2008 Bulletin 2008/46

(21)	Application number: 08155758.9

(22)	Date of filing: 07.05.2008

(51)

International Patent Classification (IPC):

B30B 9/12^(2006.01)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
	Designated Extension States:
	AL BA MK RS

(30)

Priority:

10.05.2007 IT BO20070344

(71)	Applicant: BABBINI S.P.A.
	47012 Civitella di Romagna FC (IT)

(72)	Inventor:
	Prati, Ermanno 47100, FORLI' (IT)

(74)	Representative: Modiano, Micaela Nadia et al
	Dr. Modiano & Associati SpA Via Meravigli 16 20123 Milano 20123 Milano (IT)

(54)	Press for mechanical dehydration

(57) A press for mechanical dehydration, of the type that comprises at least one filtration cage (2) provided with at least one inlet (3) for feeding the material to be pressed and with at least one outlet (4) for discharging the pressed material, the cage (2) accommodating at least one rotating screw feeder (5) provided with at least one helix (6) which is wound around a respective shaft (7), comprising at least one interspace (8) formed between the crest (6a) of the helix (6) and the internal wall (2a) of the cage (2), the interspace (8) being thicker along at least one respective portion of the screw feeder (5), so as to facilitate the reverse flow and remixing of the material.

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