Multilayered tube having a barrier layer

Details Multilayered tube having a barrier layer Multilayered tube having a barrier layer

1983-10-06

1984-11-20

Kittle, John E.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

4285428, B65D 2300

Patent

active

044838913

ABSTRACT:
A method is disclosed for sealing or closing off the open end of a multilayered tubular structure, especially one having a barrier or low-gas permeable layer, whereby the integrity of said barrier layer is maintained. The method gives rise to a multilayered parison structure which comprises a cylindrical body having a body wall, an open portion terminating at one end thereof and a bottom wall at the opposite end of said body, said body and bottom walls being composed of a plurality of layers bonded together, all the layers of said bottom wall extending fully inwardly in contacting and overlapping relationship with like layers along the longitudinal axis of said cylindrical body, and a balancing member attached to said bottom wall, said member being composed of a single layer material forced therefrom while in a plastic state.

REFERENCES:
patent: 3308508 (1967-03-01), Schrenk
patent: 3354506 (1967-11-01), Raley
patent: 3430290 (1969-03-01), Kinslow, Jr.
patent: 3457337 (1969-07-01), Turner
patent: 3509252 (1970-04-01), Baehr
patent: 3686379 (1972-08-01), Gilbert
patent: 3892828 (1975-07-01), Weatherly et al.
patent: 3955697 (1976-05-01), Valyi
patent: 4079850 (1978-03-01), Suzuki et al.

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