Advancing material of indeterminate length – With material-responsive control means – To regulate longitudinal movement of material
Patent
1997-04-10
1999-07-06
Mansen, Michael
Advancing material of indeterminate length
With material-responsive control means
To regulate longitudinal movement of material
226 42, 226172, 226177, B65H 2316, B65H 2318
Patent
active
059187875
ABSTRACT:
Apparatus for feeding a web of material, in particular a web of cardboard, having at least one driven element which engages one surface of the web of material to be fed, and which cooperates with at least one bearing element acting upon the other surface of the web of material, a contact-pressure force for generating a frictional force exerted on the web of material, at least one bearing element or the at least one driven element is acted upon by a contact-pressure device, a sensor for detecting the feeding speed of the web of material which delivers to a control unit which operates to control the feeding speed signal of the contact-pressure device so that the difference between the detected web speed and a set-point speed signal applied to the control unit is essentially equal to zero.
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patent: 4485949 (1984-12-01), Gebhart et al.
patent: 4759485 (1988-07-01), Braun et al.
patent: 5071504 (1991-12-01), Singer
patent: 5094378 (1992-03-01), Aso et al.
patent: 5170708 (1992-12-01), DiLalla
patent: 5244518 (1993-09-01), Krayenhagen et al.
BHS Corrugated Maschinen-und Anlagenbau GmbH
Mansen Michael
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