Package making – Progressively seamed cover web or web folds – With closing of web between package units
Reexamination Certificate
2007-01-15
2010-06-01
Truong, Thanh K (Department: 3721)
Package making
Progressively seamed cover web or web folds
With closing of web between package units
C053S365000, C053S451000, C053S551000, C053S553000
Reexamination Certificate
active
07726105
ABSTRACT:
A bag packaging machine with vertical intermittent operation, which has a sealing station for the opposite pair of films that form the bags, in which two sealing plates operate in opposite position with respect to the symmetrical vertical axis Y-Y of the machine, which are supported with possibility of free sliding by corresponding frames fixed to free shafts that extend from the back to the front of the machine with forward inclination towards the front of the machine.
REFERENCES:
patent: 3210908 (1965-10-01), Samberg
patent: 4622798 (1986-11-01), Oki
patent: 4845926 (1989-07-01), Davis
patent: 5511363 (1996-04-01), Doede
patent: 5822949 (1998-10-01), Naoi
patent: 6761016 (2004-07-01), Soleri
patent: 6928794 (2005-08-01), Hamer et al.
patent: 6966166 (2005-11-01), Kissling
Hodes Pessin & Katz, P.A.
Perfect Pack S.R.L.
Truong Thanh K
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