Sealed closure for plastic container with interlocking protectiv

Details Sealed closure for plastic container with interlocking protectiv Sealed closure for plastic container with interlocking protectiv

1978-07-31

1980-01-01

Norton, Donald F.

Bottles and jars

Closures

Retained by bonding or adhesive means

215253, B65D 4132

Patent

active

041812328

ABSTRACT:
A container for storing and dispensing sterile liquids is provided with a hermetically sealed primary cap and overcap. The overcap and primary cap are provided, respectively, with an interlocking ring and undercut lip to provide for limited relative axial movement; the overcap and bottle neck are provided with interfitting lugs and ribs to provide for limited rotational movement. An outer ring has internal threads engaging external threads on the overcap and defines a jacking member whereby rotation of the outer ring moves the overcap upwardly to break the hermetic seals.

REFERENCES:
patent: 3923185 (1975-12-01), Choksi et al.

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