Writing instrument with refillable reservoir

Details Writing instrument with refillable reservoir Writing instrument with refillable reservoir

1997-05-13

1999-03-30

Bratlie, Steven A.

Coating implements with material supply

Bifurcate pointed nib tool

Including reservoir and feeder

401119, 401151, 401232, B43K 508, B43K 510

Patent

active

058880089

ABSTRACT:
A writing instrument has a supply chamber connected to reserve chamber by a refilling valve actuated by a plunger which is controlled by a push button formed with a self-closing membrane type valve through which the reserve chamber can be filled from a receptacle by a hollow needle. A separating valve at the end of the plunger closes before the refilling valve is opened to ensure that no ink under pressure will be forced into the ink flow regulator and point of the instrument during the refilling process.

REFERENCES:
patent: 2603188 (1952-07-01), McKay
patent: 2646777 (1953-07-01), Zarur
patent: 2737329 (1956-03-01), Bolsey
patent: 2938499 (1960-05-01), Lindenbaum
patent: 3023737 (1962-03-01), Marban
patent: 3205919 (1965-09-01), Kovacs

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