Package making – Methods – Forming or partial forming a receptacle and subsequent filling
Patent
1984-03-07
1986-04-29
Culver, Horace M.
Package making
Methods
Forming or partial forming a receptacle and subsequent filling
53472, B65B 2300, B65B 5520
Patent
active
045848220
ABSTRACT:
A cushion packing material for use in protecting objects from shock and vibrational loads. The cushion packing comprises a dimensionally stable thermoformed shell forming a chamber therein of a predetermined configuration and having a foam material disposed therewithin so as to provide a molded density of less than or equal to 1.5 pounds per cubic foot. Preferably, the foam comprises a low density polyurethane foam. The dimensionally stable shell is thermoformed in a mold and is removed therefrom for filling with the low density foam. The cushion packing provides substantially equivalent or improved cushioning benefits in terms of dissipating dynamic forces at higher static stresses or loadings.
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Research Disclosure No. 18925, by G. W. Berg, Jan. 1980.
Askinazi Joel
Bertram George T.
Fielding Alfred W.
Krislav Semyon
Culver Horace M.
Sealed Air Corporation
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