Correction fluid dispensing pen

Details Correction fluid dispensing pen Correction fluid dispensing pen

1991-05-14

1992-06-23

DeMille, Danton D.

Coating implements with material supply

Including means to apply material-moving force

Piston-provided reservoir

401176, 401278, 401173, 401202, 401269, B43K 506

Patent

active

051237660

ABSTRACT:
A dispensing pen includes a cylindrical body formed with a conically tapered forward end, with the forward end including a spherical or brush applicator. The cylindrical body includes an end cap threadedly mounted thereon, with the end cap housing a piston, with the piston biased within the cylindrical body to effect pressurizing of a fluid reservoir contained within the cylindrical body to direct such fluid through the applicator brush or spherical member of the applicator. The pressurizing piston mounted within the end cap includes a biasing means and a regulator to maintain pressurizing of the fluid, wherein alternatively, the piston includes a piston body that is externally threaded mounted within an internally threaded interior wall of the end cap to effect pressurizing of the reservoir.

REFERENCES:
patent: 2127794 (1938-08-01), Wastman
patent: 3144676 (1964-08-01), La Mura
patent: 4892427 (1990-01-01), Ford

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