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:
Nov. 02, 2004
Filed:
Dec. 19, 2003
Abstract
A thermal development apparatus includes a heating drum and rollers. The heating drum with a smooth layer having an arc shaped portion of an outer circumferential surface heats and carries photothermographic imaging material being in contact with the arc-shaped portion, and opposed rollers arranged in line along a carrying path of the material presses the material to the outer circumferential surface of the arc-shaped portion. When R (mm) denotes radius of arc-shaped portion, r (mm) denotes radius of opposed rollers, &agr; (degree) denotes angle between lines respectively connecting center of arc-shaped portion and centers of two opposed rollers adjacent to each other, P (mm) denotes pitch of opposed rollers, and &bgr; (degree) denotes contact angle of material to opposed roller, P=2&pgr;R&agr;/360, 2r+3≧P>2r, and &bgr;≦60 are satisfied.