Package making – Methods – Enclosing contents within progressively formed web means
Reexamination Certificate
2006-04-04
2006-04-04
Gerrity, Stephen F. (Department: 3721)
Package making
Methods
Enclosing contents within progressively formed web means
C053S459000, C053S469000, C053S527000, C053S550000, C053S417000, C053S138200
Reexamination Certificate
active
07021028
ABSTRACT:
In a process for the production of portion packs of viscous to pasty filling material such as sausage meat, grease, putty or cement and the like in a tubular film (12) which is formed prior to introduction of the filling material (10) by welding or sealing of the longitudinal edges of a film strip (1) drawn off a supply and bent into a tubular form, and into which filling material portions are discontinuously introduced under pressure, whereupon the tubular film (12) is closed with braid formation, the tubular film (12) is drawn out of the welding or sealing station towards the filling station directly by the filling pressure and film strip (1) is subsequently drawn along from the supply into the welding or sealing station.
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European Search Report for Application No. EP 04 01 0321, Aug. 4, 2004.
Clark Robert J.
Desai Hemant M.
Gerrity Stephen F.
Hahn Loeser & Parks LLP
Poly-clip System GmbH & Co. KG
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