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Blunt Print Tip Wire Disclosure Number: IPCOM000050250D
Original Publication Date: 1982-Sep-01
Included in the Prior Art Database: 2005-Feb-10

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Baker, GN [+details]


In certain types of wire matrix printers, it is desirable to have the tips of the wires at a smaller diameter than the actual wire itself. This is necessary where it is desirable to print smaller dots but where making the wire itself small would result in print wire breakage. In the past, the wires have been ground at a shallow angle, such as shown in Fig. 1, where a .014 inch wire was ground to a .009 inch diameter. As seen in fig. 1, typically an angle of approximately 30 degrees had been used by the grinding.