Cushioning package

Details Cushioning package Cushioning package

1992-01-21

1993-01-12

Foster, Jimmy G.

Special receptacle or package

Shock protection type

Inflated retainer

137846, 383 3, B65D 8102

Patent

active

051782812

ABSTRACT:
A cushioning package includes a barrel-shaped balloon body consisting of outer film formed of a material having no air-permeability and an inner film that is substantially similar in shape to the outer film and is formed of a material having no air-permeability and is placed on the inside of the outer film, the films being bonded together at the upper and lower edges such that an amount of air can be fed therebetween, and includes a check valve attached to the balloon body and formed by superposing two film pieces having no air-permeability one upon another and bonding them together along two linear seals, one of the linear seals extending at its lower end at an angle of 45.degree. or more with respect to the other linear seal and terminates at a position spaced several to a few tens mm space away from the linear seal, leaving an unbonded portion serving as an air passage.

REFERENCES:
patent: 4465188 (1984-08-01), Soroka et al.
patent: 4705085 (1987-11-01), Brown
patent: 4708167 (1987-11-01), Koyanagi
patent: 4758198 (1988-07-01), Ishiwa
patent: 4874093 (1989-10-01), Pharo
patent: 4877334 (1989-10-01), Cope
patent: 4917646 (1990-04-01), Kieves

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