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:
Apr. 19, 1994
Filed:
Jun. 02, 1992
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A film applying method in which a coating solution is applied by a solution injector having an edge guide onto a support member as a freely falling coating film, includes forming a solution contact surface of the edge guide to have one of a radius greater than 1.0 mm or a width d greater than 0.7 mm when the coating solution has at least one of a viscosity greater than 45 cp and a dynamic surface tension difference greater than 8 dyne/cm. The edge guide solution contacting surface is narrowed to have a radius less than 1.0 mm or a width d less than 0.7 mm when the coating solution has at least one of a viscosity less than 45 cp and a dynamic surface tension difference less than 8. In a second embodiment, the coating solution is prepared to have at least one of a viscosity greater than 45 cp and a dynamic surface tension difference greater than 8 dyne/cm when the solution contacting part of the edge guide has either a radius r greater than 1.0 mm or a width d greater than 0.7 mm. Alternatively, the coating solution is prepared to have at least one of a viscosity less than 45 cp and a dynamic surface tension difference less than 8 dyne/cm when the solution contacting part of the edge guide has either a radius r less than 1.0 mm or a width d less than 0.7 mm.