Class 401/223 - Including capillary material-retainer filling reservoir

Subclass of Class 401 - Coating implements with material supply
Definition: Implement wherein the reservoir is substantially filled
No. of patents: 23
Last issue date: 02/14/2012

Number	Title	Issue Date
8113732	Direct liquid-writing instrument The present invention provides a direct liquid-writing instrument without ink leakage from the pen-tip even after a long period of use. Specifically, it provides a direct liquid-writing instrument having an ink-retaining part in a bellows-like shape, in which at lea...	02/14/2012
7297729	Solvent system and ink made therefrom A solvent system for an ink including a nitro solvent; an ink further including a film-forming resin, a pigment or dye, and, optionally, a substrate wetting agent; and a marking instrument containing the ink, are disclosed. ...	11/20/2007
7163350	Liquid container In a liquid container, it is made possible to store liquid that is overflowed by fluctuations in atmospheric pressure and thereby to prevent liquid leaks, and the whole quantity of the stored liquid is enabled to be used. The liquid container is provided with a body...	01/16/2007
7156573	Writing implement fitted with support means for the writing tip The writing implement of the invention comprises: a) a body including an internal reservoir of ink and having a writing tip projecting from its front end; b) a capillary connector serving to transfer ink between the reservoir and the writing tip; and c) tip support ...	01/02/2007
7108197	Droplet ejector with oscillating tapered aperture A fluid injection device for ejecting fluid droplets in response to electrical signals comprises an oscillating surface that has one or more tapered apertures, each aperture having a first and second opening. The first opening of each aperture is larger than the sec...	09/19/2006
6769827	Collector type writing implement In a free-ink type collector writing instrument, a collector (5) is formed with a passage hole (10) for providing commutation between the interior and the outside air so as to prevent the point assembly from being affected by the variation in inner pre...	08/03/2004
6702498	Writing implement A writing implement having a feeder core for feeding ink in an ink tank to a pen tip and an ink collector in which a plurality of comb-tooth like elements formed with an air-liquid exchange groove are arranged at intervals in a feeder core axial direction...	03/09/2004
6602012	Collector type writing instrument In a free-ink type collector writing instrument, the collector is formed with a partitioning portion for substantially shutting off the ink tank from the outside air, auxiliary retaining grooves are formed on the ink tank side with respect to the air/liqu...	08/05/2003
6588963	Collector type writing instrument A collector type writing instrument including: a collector for temporarily storing ink therein upon a change in inter pressure, a sectioning portion for substantially separating its ink tank for storing ink, and a snorkel having a vent portion for establi...	07/08/2003
6536976	Writing instrument The object is to provide a writing instrument in which a large-diametric ink retaining portion with narrow grooves in width and still capable of securing a large enough air channel can be formed so that the replacement of the sufficient amount of air can ...	03/25/2003
6517273	Free-ink type writing instrument A free-ink type writing instrument having a temporary ink collector having a sectionally combed configuration, between an ink tank chamber and an writing tip and inside the front barrel, wherein all or part of the gaps between neighboring combed teeth for...	02/11/2003
6499902	Writing and metering device Writing and metering device with an ink supply chamber (22), an ink guide with a capillary ink regulator (20) and with a ventilation channel with a semi-permeable seal (30), a first non-capillary space (28) and a second non-capillary space (33). The secon...	12/31/2002
6474894	Writing utensil with container for receiving temporarily writing liquid A writing utensil has a container for receiving temporarily a writing liquid oversupplied from a reservoir. A plurality of liquid staying pieces are formed on the outer periphery of the container in layers at a regular distance. A liquid supplying passage...	11/05/2002
6398442	Writing instrument A free-ink collector type writing implement includes ink (12) having a low viscosity of 2 to 100 mPa S, a collector (6) having both an internal pressure regulating function and an ink guiding feed, and a thin reservoir (1) having an ink holding capability...	06/04/2002
6382862	Application liquid reservoir An application liquid reservoir (collector) reserves application liquid in the vicinity of an application liquid guide that is interposed between an application liquid cartridge and an applicator. The application liquid reservoir includes a cylinder havin...	05/07/2002
6340259	Direct-feed type writing implement A direct-feed type writing implement includes: a point assembly having a writing point at the tip thereof; an ink tank directly storing a relatively low viscosity ink having a viscosity of 2 to 100 mPa.multidot.S at room temperature; an ink collector for ...	01/22/2002
6302610	Direct-feed type writing implement A direct-feed type writing implement includes: a point assembly having a writing point at the tip thereof; an ink tank directly storing a relatively low viscosity ink having a viscosity of 2 to 100 mPa.S at room temperature; an ink collector made up of a ...	10/16/2001
6261019	Ball point pen In a free-ink type low-viscosity water-based ball point pen, the low viscosity water based ink 17 contains 40% or more of water as a main solvent and has a viscosity of 1.5 cps to 60 cps at a normal temperature. A collector 6 has a slender, slit-like ink ...	07/17/2001
5954444	Dynamic feather dip pen A dynamic feather ink pen enables a user to enjoy all the benefits of the historic form of writing without the disadvantages. The pen includes a grip having an opening extending longitudinally through the grip. A feather having a stem extends through the ...	09/21/1999
5047790	Controlled capillary ink containment for ink-jet pens Ink contained in a pen reservoir (12) is subject to the capillarity provided by an array of spaced apart capillary members (10). The capillarity provided by the capillary members (10) is sufficient for establishing a back pressure at the print head (18) o...	09/10/1991
4764045	Writing instrument with reservoir having perpendicular fibers A writing instrument includes a writing fluid reservoir in the form of a fiber body, in which there is a coaxially extending writing fluid conductor with capillary conduits. The fibers of the reservoir extend at right angles to and radially with respect t...	08/16/1988
4610556	Writing instrument with plural tips A combination writing instrument comprising a plurality of nib devices detachably mounted at the front of pen holder, all of the nib devices being mounted in a head-to-tail connection with a uniform ink flow system to induce a constant and uniform ink flo...	09/09/1986
4224000	Tubular drafting pen with improved writing point assembly A writing point assembly for a tubular drafting pen includes an elongated tubular shell from one end of which a tubular, capillary nib projects. A sliding weight guided in the shell axially bounds an ink storage space in the other end of the shell which i...	09/23/1980

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Class 401/223 - Including capillary material-retainer filling reservoir