Composite vessel excellent in preservability and process for pre

Details Composite vessel excellent in preservability and process for pre Composite vessel excellent in preservability and process for pre

1982-12-30

1985-11-05

Kittle, John E.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

229 15B, B32B 1508

Patent

active

045513660

ABSTRACT:
Disclosed is a function-separated composite vessel excellent in the easy openability, preservability and resistance to the deformation due to reduction of the pressure, which comprises a cup-shaped outer member composed of a paper substrate and a flexible seamless cup-shaped inner member composed of a gas-barrier plastic material, wherein the peripheral wall face of the inner member is substantially exactly fitted in the inner side of the outer member but is not bonded to the wall face of the outer member and an opening of the inner member is bonded to a curl portion or flange portion formed on an opening of the outer member.

REFERENCES:
patent: 3759437 (1973-09-01), Amberg
patent: 3936334 (1976-02-01), Kushida et al.
patent: 3988521 (1976-10-01), Fumel et al.
patent: 4124434 (1978-11-01), Wommelsdorf et al.
patent: 4130234 (1978-12-01), Schmidt
patent: 4182457 (1980-01-01), Yamada et al.
patent: 4228250 (1980-10-01), Pritchett
patent: 4247584 (1981-01-01), Widiger et al.
patent: 4347332 (1982-08-01), Odorzynski et al.
patent: 4366288 (1982-12-01), Resz et al.
patent: 4500677 (1985-02-01), Maruhashi et al.

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