| 单词 | doctor blade | 
| 释义 | > as lemmasdoctor blade  a.  In machines used in various printing processes, papermaking, etc.: a knife, blade, scraper, or other component used to remove superfluous colour, fibre, etc., from a cylinder or other part of the machine. Often as a modifier, in  doctor blade,  doctor knife, etc.colour doctor, lint-doctor, etc.: see the first element. ΚΠ 1796    A. Wilde  & J. Ridge Brit. Patent 2134 		(1856)	 1  				Manufacturing..steel doctors for printers. 1837    N. Whittock et al.  Compl. Bk. Trades 		(1842)	 96  				The polished surface is cleared by the scraper called the ‘doctor’. 1866    Illustr. & Descriptive Catal. Dublin Internat. Exhib. 1865 202/2  				The roller is capable of adjustment in a lateral, and the breast beam, together with the doctor knife, in a vertical direction. 1940    U.S. Patent 2,185,859 1/2  				The action is facilitated by supplying a controlled excess of the liquid suspension to the transfer surface and then removing the excess by means of a doctor. 1995    J. A. Hill et al.  in  Pigment Printing Handbk 		(Amer. Assoc. Textile Chemists & Colorists)	  ii. ii. 21  				A metal doctor blade is used for removing excess print paste adhering to the surface of the roller. 2012    S. Kuwabara U.S. Patent Applic. Publ. 2012/0241203 1/1  				In fig. 13, ‘12’ represents a doctor for scraping off excess catalyst ink. < as lemmas  | 
	
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