Package making – Partial cover application – Band or tube
Patent
1986-05-28
1988-02-09
Sipos, John
Package making
Partial cover application
Band or tube
53211, B65B 1104
Patent
active
047233958
ABSTRACT:
An apparatus for wrapping different sizes of paper rolls or rolls of like material into a wrapper by rotating the rolls. The apparatus comprises a support frame encompassing the roll, means for conveying the wrapper on the roll, and at least one flexible guide band which is devised to press on the outer surface of the roll and to comply with the rotating of the roll. In the apparatus according to the invention, the guide band is configured into an endless conveyor with an at least approximately U-shaped form, within which the roll to be wrapped is inserted. An inner loop of the conveyor is configured to pass over four guide rollers mounted on two first lever arms and two second lever arms are capable of being transferred against the outer surface of the roll to be wrapped. Then, the guide band, which passes over the guide rollers, during the wrapping phase touches the surface of the roll to be wrapped at each point within the three circumferential segments between the guide rollers on the outer surface of the roll to be wrapped.
REFERENCES:
patent: 1769081 (1930-06-01), Jones
patent: 3851443 (1974-12-01), Fine
patent: 4224782 (1980-09-01), Moflag
Oy Wartsila Ab
Sipos John
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