Safety closure device

Details Safety closure device Safety closure device

1975-11-11

1977-05-03

Tollberg, Stanley H.

Dispensing

Axially slidable tubes, sleeves, or apertured caps

Axial discharge

B67D 300

Patent

active

040209814

ABSTRACT:
A safety closure device for use in dispensing flowable material from containers. A base member is attachable to the container, and has an upstanding neck through which extends a dispensing bore. A closure cap is mounted on the neck and is rotatably and axially movable thereon. Movement is accomplished by means of a pair of tabs which are shielded by the base member except when rotated into alignment with a pair of recessed portions in the base member. Only when the tabs are rotatably aligned with the recessed portions can the closure cap be axially moved to uncover a dispensing opening. In a more complex embodiment of the invention, a second rotation of the closure cap is necessary after the axial movement is accomplished in order to uncover the dispensing opening.

REFERENCES:
patent: 2711271 (1955-06-01), Schlicksupp
patent: 2769582 (1956-11-01), Schlicksupp
patent: 3175741 (1965-03-01), Porter
patent: 3240404 (1966-03-01), Porter et al.
patent: 3372833 (1968-03-01), Baranne
patent: 3598285 (1971-08-01), Stull
patent: 3887116 (1975-06-01), Ishikawa et al.

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