Method for the production of packs of rolls of paper...

Details Method for the production of packs of rolls of paper... Method for the production of packs of rolls of paper...

2005-05-10

2005-05-10

Sipos, John (Department: 3721)

Package making

Methods

Wrapping contents including cover forming

C053S230000

Reexamination Certificate

active

06889486

ABSTRACT:
In a machine for the production of packs of rolls of paper, comprising a supporting surface designed to lift the rolls of paper, arranged in two or more rows, towards a zone in which there is a sheet of plastic film, in particular polyethylene, to be wrapped around the rolls to form the pack, the sheet is closed on the lower side of the pack by initiating a process for activating sheet horizontal flat folders, suitably combined with the return stroke of the two parts of which the supporting surface consists. The process allows correct closing of the two flaps of plastic film on the lower side of the pack, guaranteeing the stability of the configuration of the various rows of rolls.

REFERENCES:
patent: 3212230 (1965-10-01), Coates
patent: 3855758 (1974-12-01), Walter et al.
patent: 4035990 (1977-07-01), Hallam
patent: 4279116 (1981-07-01), James et al.
patent: 4313290 (1982-02-01), Furuya et al.
patent: 5081821 (1992-01-01), Meives
patent: 5406774 (1995-04-01), Dodge
patent: 6067780 (2000-05-01), Gentili et al.
European Search Report corresponding to EP Application No. EP 03 01 1616.

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