Collapsible plastic tubes

Details Collapsible plastic tubes Collapsible plastic tubes

1975-07-24

1976-03-30

Knowles, Allen N.

Dispensing

Collapsible wall-type container

Nonmetallic

B65D 3508

Patent

active

039469050

ABSTRACT:
A collapsible plastic tube comprising a laminate of an inner ply and an outer ply, the inner ply being a heat flowable nonoriented thermoplastic polymer and the outer ply being a heat flowable, oriented, shrunk thermoplastic polymer.

REFERENCES:
patent: 2430046 (1947-11-01), Dreyfus
patent: 2525272 (1950-10-01), Rhoton
patent: 2643027 (1953-06-01), Fink
patent: 3024813 (1962-03-01), Sear et al.
patent: 3186600 (1965-06-01), Guignard
patent: 3381717 (1968-05-01), Turrel
patent: 3382121 (1968-05-01), Sherlock
patent: 3491799 (1970-01-01), Foll
patent: 3600487 (1971-08-01), Zavasnik
patent: 3624800 (1971-11-01), Swick
patent: 3741253 (1973-06-01), Brax et al.
patent: 3847721 (1974-11-01), Evans

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