Ink ribbon with wire lubricant in a wire impact printer

Details Ink ribbon with wire lubricant in a wire impact printer Ink ribbon with wire lubricant in a wire impact printer

1992-11-24

1994-08-23

Wiecking, David A.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

400237, 106 23R, 252 11, B41J 2265, B41M 500

Patent

active

053402227

ABSTRACT:
The present invention provides an impact dot printer free from the missing of dots.
An impact dot printer for recording dots on a recording medium comprises a printer wire having a printer end, a guide member for supporting the printing wire, an ink ribbon which contains an ink composition comprising a dye and a solvent and is positioned between the printing end of the printing wire and the recording medium. The printer also has a lubricant containg an oil component in the guide member for permitting the printing wire to be easily moved. The solubility of the solvent for the dye in the oil component of the lubricant is more than 400 g/100 g of oil.

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Patent Abstracts of Japan, vol. 5, No. 25 (M-55) (697) Feb. 14, 1981.
Conley, W. J. et al., "Porous Print . . . " IBM Technical Disclosure Bulletin vol. 21, No. 1, Jun. 1978.
Connor, A. et al., "Oil Flow Restrictor" IBM Technical Disclosure Bulletin, vol. 25, No. 4, Sept. 1982.
Derwent Publications Ltd., DATABASE WPIL, Week 8913, London, GB, Feb. 1989.

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