The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 26, 1991
Filed:
Feb. 16, 1989
Konica Corporation, Tokyo, JP;
Abstract
Disclosed is a coating head for coating a solution on a flexible support which is moved so as to run along a coating surface of the coating head. The coating surface is slitted so as to form a front face, a back face in order in the moving direction of the flexible support, and a slit therebetween so that the coating head extrudes the solution through the slit to the flexible support. The front face has an arc surface with a curvature radius of r.sub.1 and the back face wholly forms an arc surface with a curvature radius of r.sub.2 in the following equations 3 mm <r.sub.2 < 20 mm and 1 mm <r.sub.1 <r.sub.2 /2. Further, at least a part of the back face projects beyond the tangent line at the downstream end of the front face.