Multi-piece flat top container

Details Multi-piece flat top container Multi-piece flat top container

1990-10-29

1991-06-25

Marcus, Stephen

Envelopes, wrappers, and paperboard boxes

Paperboard box

With closure for an access opening

220258, 220359, 22912513, B65D 546

Patent

active

050259822

ABSTRACT:
A multi-piece flat top container including a thermoplastic coated paperboard body of a predetermined cross-sectional configuration, a thermoplastic adapter ring having an annular recess formed therein for mounting over the top edge of the body and fusion sealed thereto, and a tamper-evident flat membrane or any suitable material sealed adjacent its peripheral edge to the top edge of the adapter ring. An optional over-cap may be mounted over the membrane and adapter ring without being sealed thereto.

REFERENCES:
patent: 3659774 (1972-05-01), Mielke
patent: 4101047 (1978-07-01), Geppert et al.
patent: 4305535 (1981-12-01), Brundige et al.
patent: 4328905 (1982-05-01), Hardt
patent: 4442971 (1984-04-01), Helms
patent: 4444355 (1984-04-01), Cary
patent: 4448345 (1984-05-01), Helms
patent: 4560063 (1985-12-01), Muller
patent: 4856674 (1989-08-01), Berney

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