Package making – Methods – Filling preformed receptacle and closing
Patent
1998-03-11
2000-10-17
Coan, James F.
Package making
Methods
Filling preformed receptacle and closing
53122, 53237, 53451, 53474, 53551, B65B 906, B65B 2300, B65B 5520
Patent
active
061313750
ABSTRACT:
A protective foam cushion-making apparatus dispenses reactive foam components into an interior space between two panels of plastic film to form protective foam cushions. The apparatus includes a supply of plastic film and a film a driving assembly, such as two pliable rollers. A foam component dispensing assembly is interposed between the film panels and injects reactive foam components into the interior space where they are mixed together to form a mass of expandable foam. The plastic film forms a flexible mixing chamber in the area between the two pliable rollers in which the reactive foam components are mixed together after they are dispensed from the foam dispensing assembly.
REFERENCES:
patent: 4938007 (1990-07-01), Sperry
patent: 4996819 (1991-03-01), Davis
patent: 4999975 (1991-03-01), Willden et al.
patent: 5149065 (1992-09-01), Willden et al.
patent: 5376219 (1994-12-01), Sperry et al.
Coan James F.
Sealed Air Corporation (US)
LandOfFree
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