Packaging machine with a system for the adjustment of sealing jaws

(19)

(11)

EP 1 205 385 A8

(12)	CORRECTED EUROPEAN PATENT APPLICATION

(48)	Corrigendum issued on:
	02.10.2002 Bulletin 2002/40

(43)	Date of publication:
	15.05.2002 Bulletin 2002/20

(21)	Application number: 01500237.1

(22)	Date of filing: 26.09.2001

(51)	International Patent Classification (IPC)⁷: B65B 51/30, B65B 9/06

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

(30)

Priority:

13.11.2000 ES 200002716

(71)	Applicant: Rochman,S.Coop.
	48210 Otxandio (Bizkaia) (ES)

(72)	Inventors:
	Erdoiza Ibarluzea, Eneko 48240 Berriz (Bizkaia) (ES) Ruiz de Eguino Lopez, Juan Maria 20570 Bergara (Gipuzkoa) (ES)

(54)	Packaging machine with a system for the adjustment of sealing jaws

(57) The packaging machine (1) with a tool jaw adjusting system comprises two jaws, one upper (5) and one lower (6), for weld-sealing the plastic bag (4) on the conveyor belt (2), attached to two racks (8, 9) engaged on opposite sides of a drive pinion (10) provided with a splined shaft (13), on which it slides axially and which produces a vertical to-and-fro movement of both racks (8, 9) for the opening and closing of the jaws (5, 6), and means (10, 12, 13, 14, 15) for adjusting the height (H) of one jaw (5), including a mechanism (10b, 13, 15) for disengaging a rack (9) and a gear motor (12, 12') for the restricted turning (17) of the pinion (10) in order to move the second rack (8).