Tamper-deterrent nozzle for pump dispensers

Details Tamper-deterrent nozzle for pump dispensers Tamper-deterrent nozzle for pump dispensers

1995-10-03

1997-09-02

Derakshani, Philippe

Dispensing

With lock or fastening seal

Single-use fastening seal

22215314, B67D 533

Patent

active

056622465

ABSTRACT:
A pump dispenser has a body defined by a top wall and a front end and a nozzle cap rotatably mounted on the body. The cap, which must be rotated for the nozzle to operate, has an opening in a side wall thereof adjacent the front end. An elongate blocking tab has a rear portion unitary with and connected to said top wall, and a middle portion extends forwardly from the rear portion and is disposed in the opening in the nozzle cap. The tab also has a forward finger-grippable portion extending forward from said middle portion. The middle portion, by being in the opening, prevents rotary movement of the nozzle cap until the blocking tab is torn from the top wall.

REFERENCES:
patent: 4204614 (1980-05-01), Reeve
patent: 4257561 (1981-03-01), McKinney
patent: 4971227 (1990-11-01), Knickerbocker et al.
patent: 5040701 (1991-08-01), Knickerbocker et al.
patent: 5050779 (1991-09-01), Knickerbocker
patent: 5169032 (1992-12-01), Steijns et al.
patent: 5535952 (1996-07-01), Tada

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