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:
Oct. 13, 1998
Filed:
Apr. 30, 1996
Noritomo Fukunaga, Tokyo, JP;
Kinyosha Co., Ltd., Tokyo, JP;
Abstract
A fixing device comprises a thermal fixing roll and a pressing roll forming a nip portion together with the thermal fixing roll. The pressing roll included in the fixing device comprises a core, a sponge rubber layer covering the outer circumferential surface of the core and provided with a large number of through-holes extending in parallel with the axis of the core and arranged equidistantly from the outer circumferential surface of the core, a rubbery elastic layer formed in a thickness of 350 to 4500 .mu.m to cover the outer circumferential surface of the sponge layer, and a fluorocarbon resin layer formed to cover the outer circumferential surface of the rubbery elastic layer.