Refillable dispenser including a translatable plunger

Details Refillable dispenser including a translatable plunger Refillable dispenser including a translatable plunger

1989-04-14

1990-09-04

Bratlie, Steven A.

Coating implements with material supply

Solid material for rubbing contact or support therefor

Including means to advance material

401 70, 401 75, 401172, 401174, 401182, A45D 4006

Patent

active

049540009

ABSTRACT:
The invention relates to a dispenser of a compact product (3) contained in a cylindrical reservoir (1); the product (3) is ejected via a plunger (4) that is displaceable in translation in the reservoir and is mounted at the end of a threaded rod (5), which cooperates with a nut (9). The rod (5) is driven in rotation incrementally via a pushbutton (8). The support (7) of the mechanism and of the nut (9) is movable with respect to the reservoir (1) by means of a thread. The nut (9) which cooperates with the rod (5) is slit along a diametrical plane, to allow the re-pressing of the rod when the half-nuts are capable of spreading apart. The reservoir includes a frustoconical surface 1c, which assures the pinching of the half-screws when the mechanism is put into place at the base of the full reservoir.

REFERENCES:
patent: 1362937 (1920-12-01), Grace
patent: 2780203 (1957-02-01), Moran et al.
patent: 3106908 (1963-10-01), Gretz
patent: 3358699 (1967-12-01), Bau

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