Coating implements with material supply – Material flows through porous tool – Wick feed from within reservoir to tool
Patent
1998-12-21
2000-09-05
Walczak, David J.
Coating implements with material supply
Material flows through porous tool
Wick feed from within reservoir to tool
401264, 401206, B43K 500
Patent
active
061132969
ABSTRACT:
A valve arrangement for controlling the flow of fluid between a first and a second fluid chamber, wherein an elastomer material hose part (2) has an outer surface in contact with the first fluid chamber (5') and a lumen (6) of the hose part is connected to the second fluid chamber (9), one or a plurality of continuous slots (2) being provided in the wall of the hose part (2), which slots, in a non-deformed state of the hose part (2), are closed due to the inherent restoring force of the elastomer of the hose part and can be opened by deforming the hose part (2), is disposed on the hose part is an actuating part (10) by which the hose part (2) can be deformed to control the flow of fluid through the slots (11). The valve arrangement can be used in a writing implement.
REFERENCES:
patent: 3054134 (1962-09-01), Meyerhoefer
patent: 4549879 (1985-10-01), Groshong et al.
patent: 4620648 (1986-11-01), Schwartzman
patent: 4737152 (1988-04-01), Alchas
patent: 5250034 (1993-10-01), Apling et al.
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