Package making – Methods – Filling preformed receptacle and closing
Reexamination Certificate
2005-10-11
2005-10-11
Rada, Rinaldi I. (Department: 3721)
Package making
Methods
Filling preformed receptacle and closing
C053S403000, C053S079000
Reexamination Certificate
active
06952910
ABSTRACT:
In a plastic tube (1) for the production of gas filled bodies, with two superimposed sheets, connected in a gas tight manner to each other along a first longitudinal edge thereof, the upper sheet (2) and the lower sheet (3) are welded together in the transverse direction along gas tight welded seams (5a,5b), arranged in pairs at a separation from each other, in order to form inflatable pockets (7), which seams extend from the first longitudinal edge (4) to a point at a predetermined separation from the opposing second longitudinal edge (6). The pockets each present, between the upper sheet and the lower sheet, a gas filling opening (8) which is accessible from the second longitudinal edge. Also proposed are a method for the production of gas filled bodies using such plastic tubes and a device for carrying out said method.
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Durand Paul
Pennington Joan
Rada Rinaldi I.
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