Continuously running rewinder with pressure roller

Details Continuously running rewinder with pressure roller Continuously running rewinder with pressure roller

1986-09-15

1988-01-26

Levy, Stuart S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 586, 156502, B65H 1929, B65H 1930

Patent

active

047212667

ABSTRACT:
The present invention relates to a continuously running rewinder with a pressure roller for winding a paper web, for instance, from a supercalender onto a reel-up drum. The rewinder comprises roll stands, which are provided with a primary drive for rotating a rewinding reel-up drum, a pressure roller assembly including the pressure roller via which the web is routed to pass before entering the rewinding reel-up drum and which can be actuated to swing from an open position to a closed position toward the roll stands so that the pressure roller assembly is pressed against the rewinding reel-up drum to form with it a nip for the web. The rewinder includes a pressing bar, whose path of movement is adapted to pass between the pressure roller and the rewinding reel-up drum and via which the web is routed to pass so that when the bar is in its lower position and the pressure roller assembly in its open position the bar holds the web at a lower level than that of the nip. The rewinder also includes a rail-carriage combination for transferring a completed roll on the reel-up drum off from the roll stands to an exit point, as well as a movable secondary drive, which can be switched over to rotate an almost completed rewinding reel-up drum during the splicing and severing operations of the web. The rewinder in accordance with the present invention facilitates a flying reel-up drum change when using a mandrel rewinder with a pressure roller assembly for rewinding a paper web.

REFERENCES:
patent: 3194508 (1965-07-01), Netze

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