Package making – Methods – Forming or partial forming a receptacle and subsequent filling
Patent
1990-12-18
1992-09-01
Coan, James F.
Package making
Methods
Forming or partial forming a receptacle and subsequent filling
53410, 53456, B65B 302, B29C 5102, B29C 6572, B29C 6900
Patent
active
051428431
ABSTRACT:
A method of manufacturing a package (1) which is filled with a flowable medium and which comprises a tube (3), a bottom and a top wall (2) of shapeable synthetic plastics material in which the package (1) formed by shaping and the action of heat is filled, sealed and carried away is described.
In order to provide an environmentally friendly manufacturing method in which a package can be produced by deep-drawing and without any substantial amount of waste material, it is according to the invention envisaged that two prepared blanks (4), each of which takes the form of a flat sheet, should be heated at a distance from each other (in III-V) and then brought together along a frame-like strip (7 to 11) and, accompanied by (at V) deep-drawing of the middle zone (12) within the frame-like strip (10), welded together to form the package space, an aperture (13) being provided in a top wall (2), the package (1) which is thus formed and which is fluid-tight with the exception of the aperture zone (3) being then cooled, conveyed onwardly (18 to 20), filled (in position XI) and sealed by an opening member (14) which masks the aperture (13).
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Deutschbein Ulrich
Knobloch Gerd
Liebram Udo
Reil Wilhelm
Coan James F.
Dunn Michael L.
Mudd James F.
Tetra Pak Holdings S.A.
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