Method of and device for preparing paper rolls for rotary presse

Details Method of and device for preparing paper rolls for rotary presse Method of and device for preparing paper rolls for rotary presse

1984-06-18

1985-11-26

Wityshyn, Michael

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156157, 156252, 156253, 156504, 242 56R, 242 585, B31F 506, B65H 1918

Patent

active

045552886

ABSTRACT:
The web leading edge of a paper roll for a rotary press or the like is held and prevented from raveling by three or more pieces of strong adhesive tape during handling and loading onto a paper feed machine of the printing press. On the paper feed machine, perforated tear lines are formed across the tape pieces by a device comprising a rotary perforating wheel, a mechanism for moving the wheel from one end to the other of the roll and also moving it against and away from all of the tape pieces, and a tape detecting device and a controller for automatically operating the mechanism. The tape pieces can then be easily torn to release the web leading edge immediately prior to web splicing.

REFERENCES:
patent: 2149833 (1939-03-01), Bernard
patent: 2320656 (1943-06-01), Roesen
patent: 2377971 (1945-06-01), Roesen
patent: 3001735 (1961-09-01), Francik
patent: 3231949 (1966-02-01), Phipps
patent: 3724033 (1973-04-01), Baker
patent: 4286756 (1981-09-01), Vits

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