Folding method and device for closing the end of a tubular...

Details Folding method and device for closing the end of a tubular... Folding method and device for closing the end of a tubular...

2007-02-13

2007-02-13

Sipos, John (Department: 3721)

Package making

Methods

Closing package or filled receptacle

C053S377200, C053S376400, C493S183000

Reexamination Certificate

active

10991332

ABSTRACT:
A method and device for folding an end portion of a substantially elliptical-section, tubular wrapping for a group of cigarettes, whereby the end portion of the tubular wrapping is folded by forming three first and three second folded flaps located on opposite sides of a major axis of the elliptical section of the tubular wrapping; the first and second flaps being defined respectively by a respective central flap and by two respective lateral flaps, each of the second flaps being specular with a corresponding first flap, and being located between the major axis of the elliptical section and a packing wheel supporting the tubular wrapping; the first flaps being folded first, commencing with the first central flap; and the second flaps being folded subsequently, commencing with the second lateral flaps.

REFERENCES:
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patent: 5946884 (1999-09-01), Nordstrom et al.
patent: 6000199 (1999-12-01), Boldrini
patent: D479357 (2003-09-01), Focke et al.
patent: 158 681 (1932-11-01), None
patent: 0 344 674 (1989-12-01), None
patent: 426781 (1935-04-01), None

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