Method for fixing protective sheets about rolls of material

Details Method for fixing protective sheets about rolls of material Method for fixing protective sheets about rolls of material

1977-05-19

1979-08-14

Sipos, John

Package making

Methods

Annular package

53461, B65B 2524

Patent

active

041641108

ABSTRACT:
Method and apparatus for fixing a protective sheet to a roll of material such as fabric or carpet, and having a longitudinal bore therein, in which the roll is covered with a sheet of paper or plastics material, for example, the width of which is greater than the width of the roll, the ends of the sheet are folded over the ends of the roll and are inserted into the ends of the bore, and a gripper element is introduced into the ends of the bore and is deformed permanently by expanding it radially outwardly into contact with the ends of the sheet and urging these ends against the inner wall of the bore.

REFERENCES:
patent: 1102163 (1914-06-01), Opperud
patent: 1528821 (1925-03-01), Flagge
patent: 1902491 (1933-03-01), Dahl et al.
patent: 2381460 (1945-08-01), Meyer
patent: 2423965 (1947-07-01), Coyle
patent: 3387352 (1968-06-01), Walter
patent: 3402809 (1968-09-01), Snyder
patent: 3608348 (1971-09-01), McKee
patent: 3670877 (1972-06-01), Reed
patent: 3678560 (1972-07-01), Dufour et al.
patent: 4036084 (1977-07-01), Schirmer

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