Ink eraser

Abstract: A portable electric eraser driven by a battery powered electric motor in which the motor has a driver shaft carrying an ink eraser at one end and a pencil eraser at the other end. A centrifugal fan is mounted on the shaft behind the pencil eraser and a sleeve around the fan provides suction near the pencil eraser for removing debris, with a retractable brush being on the end of the sleeve.

Abstract: The utility model provides a printing and wiping device, including scraping the seal ink knife, scraping the seal actuating mechanism and the printing table that undertakes the printing of, scrape the seal ink knife and be fixed in and scrape the seal on the actuating mechanism, remove about and about driving by scraping seal actuating mechanism, the printing table upper surface of undertaking the printing of is equipped with screen plate, scrape ink eraser, even black board, wiping drive unit and even black drive unit that the seal ink knife includes the alternate segregation, when the ink eraser contacts with screen plate, even black board of drive and screen plate separation, when ink eraser and screen plate separation, the even black board of drive contacts with screen plate Even black board and undertake the printing of and be 45 degrees contained angles between printing table's the screen plate can prevent that printing ink from laying inhomogeneously, to spare china ink and ink eraser and set up simultaneously on scraping seal actuating mechanism, and can effectively cooperate the even black board that disposes simultaneously, and reciprocate in turn, the realization is even annotates blackly and scrapes the mesh of version to and both go on in step on horizontal migration, make the silk screen printing process more high -efficient and accurate

Abstract: PROBLEM TO BE SOLVED: To provide an ink eraser which ensures a good leveling property and a good writing property, can simultaneously prevent the sedimentation of a coloring agent, and does not need the redispersion of the coloring agent. SOLUTION: This oil-based ink comprising a coloring agent, a resin, an organic solvent and a gelling agent, wherein the gelling agent is a soluble one having a solubility (20°C) of 0.1 to 20 wt.% in the organic solvent and wherein the viscosity of the ink is ≥900 mPa.s at a shear rate of 0.1 (1/s) and ≤250 mPa.s at a shear rate of 100 (1/s). COPYRIGHT: (C)2001,JPO

Abstract: PURPOSE: To provide a penetration drying type ink compsn. which can easily be erased by the frictional force of an eraser, etc., by a method wherein an antioxidant and a vegetable oil are blended with a specified pigment. CONSTITUTION: 0.5W3wt% of an antioxidant such as a phenolic antioxidant (e.g. hydroquinone) and 10W50wt% of a vehicle composed mainly of a vegetable oil (e.g. linseed oil) are blended with 30W60wt% of a pigment consisting of a color pigment such as a basic dye lake (e.g. Rhodamine) and an extender pigment such as calcium carbonate to obtain a penetration drying type ink compsn. 0.1W5wt% of water may be incorporated into the compsn. Printed parts printed by using the above compsn. can be easily erased with an eraser and easily discolored by an ink eraser. Thus, the raising of gold notes can easily be prevented by forming a pattern part with the above compsn. around an entry where the raising must be prevented. COPYRIGHT: (C)1981,JPO&Japio