Bottles and jars – Closures – Having warning means or means impeding closure removal
Patent
1977-01-26
1977-11-22
Hall, George T.
Bottles and jars
Closures
Having warning means or means impeding closure removal
215211, 215212, 215350, B65D 5502, B65D 8556
Patent
active
040591980
ABSTRACT:
An improved vapor-seal, child-resistant closure and container combination is disclosed herein. The container comprises a cylindrical plastic body which is molded in one piece and has circumferentially spaced, radially extending projections on the upper end thereof that have notches therein. The closure comprises a one-piece plastic body having a top panel and an annular depending skirt with circumferentially spaced lugs extending radially inwardly for engagement with the notches. An annular integral rim or abutment is provided on the annular surface of the top panel of the closure and depends downwardly therefrom. A unique, one-piece, vapor-seal liner is interposed between the annular abutment and the lugs for engagement with the upper end of the container. The one-piece liner comprises a disc member which engages the annular rim of the container and includes a downwardly depending plug member which provides a vapor-tight seal with the inside surface of the container. The liner also serves as a spring between the closure and the container to bias the closure lugs into engagement with the projections on the container.
REFERENCES:
patent: 3608764 (1971-09-01), Hedgewick
patent: 3931891 (1976-01-01), Peppler
Hall George T.
Holler E. J.
Owens--Illinois, Inc.
Steger A. J.
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