Package making – Methods – Wrapping contents including cover forming
Patent
1994-11-15
1997-07-22
Seidleck, James J.
Package making
Methods
Wrapping contents including cover forming
53463, 53285, 53286, B65B 1108
Patent
active
056494092
ABSTRACT:
An apparatus for manufacturing flexible containers of the type comprising particulate material located between two flexible web members (16, 17), the apparatus comprising a first feed means suitably in the form of one or more drive roller assemblies (13, 43) for advancing a first flexible web member through the apparatus, a metering means suitably in the form of a metering roller (12) having recesses (84) on its peripheral face to accomodate the particulate material and to deposit the particulate material onto the first flexible web member, second feed means suitably in the form of a roller assembly (13, 43) to pass a second flexible web member over the first flexible web member containing the particulate material, and sealing means suitably comprising a roller assembly (13) having one of the rollers including heated zones (94) or portions along its external surface such that when the first and second web members pass between the rollers the web members are sealed together along areas corresponding to contact of the web members with the heated zones or portions. In this manner, there can be formed flexible containers or sachets containing particulate material such as super absorbant polymer which can be immersed in water and subsequently frozen to be used as a heat exchange pad.
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The International Preliminary Examination Report for PCT/AU90/00544.
Gujer Heinz
Tintor Branko
Labbee Michael F.
Russell Dean W.
Seidleck James J.
Thermarite Pty. Ltd.
Williamson Michael A.
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