Protector cap and wiper for dispenser discharge orifice

Details Protector cap and wiper for dispenser discharge orifice Protector cap and wiper for dispenser discharge orifice

1991-08-19

1993-05-04

Kashnikow, Andres

Dispensing

With cleaning means

222380, 222514, 239115, B67D 108

Patent

active

052077853

ABSTRACT:
A finger actuated plunger of a dispenser has a protector cap telescoped over the plunger head for reciprocation independently thereof along the axis of plunger reciprocation. A portion of the cap side wall covers the discharge orifice in the head in a condition of non-use, and the cap side wall has an aperture adjacent such wall portion for alignment with the orifice for uncovering the orifice in a condition of use. A spring extends solely between the head top wall and the cap top wall for resiliently urging the cap into its condition of non-use.

REFERENCES:
patent: 3231150 (1966-01-01), Holm et al.
patent: 3254677 (1966-06-01), Wakeman
patent: 3378205 (1968-04-01), Barker
patent: 3587942 (1971-06-01), Gailitis
patent: 3680738 (1972-08-01), Vos et al.
patent: 3752370 (1973-08-01), Davenport
patent: 5105988 (1992-04-01), Knickerbocker

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