Patents by Inventor Douglas B. Wilkins
Douglas B. Wilkins has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 7756458Abstract: A fusing member rejuvenating method and apparatus for cleaning and rejuvenating an external surface of a fusing member of a toner image producing machine. The fusing member rejuvenating method and apparatus include (a) a cleaning cartridge including a movable cleaning material movable at a first speed for contacting and removing residual toner and dirt from an external surface of the fusing member; (b) a first articulating device connected to the movable cleaning cartridge for selectively moving the movable cleaning cartridge into and out of contact with the external surface of the fusing member; (c) a scouring cartridge including a movable scouring material movable at a second speed for contacting and scouring the external surface of the fusing member; and (d) a second articulating device connected to the movable scouring cartridge for selectively moving the movable scouring cartridge into and out of contact with the external surface of the fusing member.Type: GrantFiled: December 12, 2006Date of Patent: July 13, 2010Assignee: Xerox CorporationInventors: Jeffrey M. Viney, Douglas B Wilkins, Brian J. Mcnamee
-
Publication number: 20080138126Abstract: A fusing member rejuvenating method and apparatus for cleaning and rejuvenating an external surface of a fusing member of a toner image producing machine. The fusing member rejuvenating method and apparatus include (a) a cleaning cartridge including a movable cleaning material movable at a first speed for contacting and removing residual toner and dirt from an external surface of the fusing member; (b) a first articulating device connected to the movable cleaning cartridge for selectively moving the movable cleaning cartridge into and out of contact with the external surface of the fusing member; (c) a scouring cartridge including a movable scouring material movable at a second speed for contacting and scouring the external surface of the fusing member; and (d) a second articulating device connected to the movable scouring cartridge for selectively moving the movable scouring cartridge into and out of contact with the external surface of the fusing member.Type: ApplicationFiled: December 12, 2006Publication date: June 12, 2008Applicant: XEROX CORPORATIONInventors: Jeffrey M. Viney, Douglas B. Wilkins, Brian J. McNamee
-
Patent number: 7214462Abstract: A fuser member component to fuse the transferred developed image to the copy substrate, wherein the fuser member includes a substrate, an outer polymeric layer, and a release agent material coating on the outer polymeric layer, and the release agent material coating includes a blend of at least two different amino-functional siloxane release agent materials having amino-functional groups, and the at least two different amino-functional siloxane release agent materials have the following Formula I: wherein A represents —R4—X, wherein R4 represents an alkyl group having from about 1 to about 10 carbons, X represents —NH2 or —NHR5NH2 with R5 representing an alkyl group having from about 1 to about 10 carbons; R1 and R2 are the same or different and each is selected from the group consisting of an alkyl having from about 1 to about 25 carbons, an aryl having from about 4 to about 10 carbons, and an arylalkyl; R3 is selected from the group consisting of an alkyl having from about 1 to about 25 carbons, an arylType: GrantFiled: June 25, 2004Date of Patent: May 8, 2007Assignee: Xerox CorporationInventors: David J. Gervasi, Alexander N. Klymachyov, Samuel Kaplan, Santokh S. Badesha, Douglas B. Wilkins, George A. Gibson
-
Patent number: 7208259Abstract: A fuser member having a substrate, a layer thereover including a polymer, and, on the polymeric layer, a coating of a release agent having a mixture of (a) an organosiloxane polymer concentrate containing amino-substituted organosiloxane polymers, wherein there are amino functional groups on at least some of the polymer molecules of the concentrate, the concentrate has a degree of functionality of from about 0.3 to about 0.4 mole percent, the concentrate has a viscosity of from about 800 to about 1,300 centistokes; and (b) a nonfunctional organosiloxane polymer diluent, the diluent has a viscosity of from about 100 to about 2,000 centistokes; the mixture has a degree of functionality of from about 0.05 to about 0.3 mole percent, wherein the mixture has a viscosity of from about 550 to about 1,300 centistokes, and wherein the ratio by weight of concentrate to diluent is from about 1:2 to about 1:30, and an image forming apparatus having the fuser member.Type: GrantFiled: November 22, 2004Date of Patent: April 24, 2007Assignee: Xerox CorporationInventors: Santokh S. Badesha, David J. Gervasi, George A. Gibson, Douglas B. Wilkins
-
Patent number: 7208258Abstract: A fuser member having a substrate, an outer polymeric layer, and a release agent material coating on the outer polymeric layer, and the release agent material coating includes a blend of at least two different amino-functional siloxane release agent materials, and each amino-functional siloxane release agent material contains amino functional groups having a degree of functionality of from about 0.01 to about 0.9 mole percent.Type: GrantFiled: June 25, 2004Date of Patent: April 24, 2007Assignee: Xerox CorporationInventors: David J. Gervasi, Alexander N. Klymachyov, Samuel Kaplan, Santokh S. Badesha, Douglas B. Wilkins, George A. Gibson
-
Patent number: 7198875Abstract: A fuser member having a substrate, an outer polymeric layer, an outer polymeric layer, and a release agent material coating on the outer polymeric layer, wherein the release agent material coating includes a copolymer having the following formula: wherein A and B are the same or different, and each represents —R4—X, wherein R4 represents an alkyl group having from about 1 to about 10 carbons, X represents —NH2 or —NHR6NH2 with R6 representing an alkyl group having from about 1 to about 10 carbons; R1 and R2 are the same or different and each is selected from the group consisting of an alkyl having from about 1 to about 25 carbons, an aryl having from about 4 to about 10 carbons, and an arylalkyl; R3 and R5 are the same or different and each is selected from the group consisting of an alkyl having from about 1 to about 25 carbons, an aryl having from about 4 to about 10 carbons, an arylalkyl, and a substituted diorganosiloxane chain having from about 1 to about 500 siloxane units; b and c are numbers and aType: GrantFiled: June 25, 2004Date of Patent: April 3, 2007Assignee: Xerox CorporationInventors: David J. Gervasi, Alexander N. Klymachyov, Samuel Kaplan, Santokh S. Badesha, Douglas B. Wilkins, George A. Gibson
-
Patent number: 7186462Abstract: A fuser member component to fuse the transferred developed image to the copy substrate, wherein the fuser member includes a substrate, an outer polymeric layer, and a release agent material coating on the outer polymeric layer, and the release agent material coating includes a T-type amino-functional siloxane release agent material having amino-functional groups, and the T-type amino-functional siloxane release agent material has the following Formula I: wherein A represents —R4—X, wherein R4 represents an alkyl group having from about 1 to about 10 carbons, X represents —NH2 or —NHR5NH2 with R5 representing an alkyl group having from about 1 to about 10 carbons; R1 and R2 are the same or different and each is selected from the group consisting of an alkyl having from about 1 to about 25 carbons, an aryl having from about 4 to about 10 carbons, and an arylalkyl; R3 is a substituted diorganosiloxane chain having from about 1 to about 500 siloxane units; b and c are numbers and are the same or different andType: GrantFiled: June 25, 2004Date of Patent: March 6, 2007Assignee: Xerox CorporationInventors: David J. Gervasi, Alexander N. Klymachyov, Samuel Kaplan, Santokh S. Badesha, Douglas B. Wilkins, George A. Gibson
-
Patent number: 6218014Abstract: A fuser member comprising a support and coated thereon a fluorocarbon elastomer layer containing: (1) a silicon carbide filler and a cupric oxide filler; and/or (2) a silicon carbide filler treated with a silane coupling agent having a reactive functional group, the fuser member further having a functionalized polydimethylsiloxane release agent applied to the fluorocarbon elastomer layer in an amount sufficient to produce, upon incubation at elevated temperature, a surface having improved toner release properties on said outermost layer.Type: GrantFiled: December 30, 1998Date of Patent: April 17, 2001Assignee: Nexpress SolutionsInventors: Jerry A. Pickering, Jiann-Hsing Chen, Tonya D. Binga, Douglas B. Wilkins, Biao Tan
-
Patent number: 6114041Abstract: A fuser member having improved toner offset release and wear characteristics. The outermost layer comprises a fluoroelastomer with thermally conductive fillers which are surface treated with a coupling agent that is interactive with the fluoroelastomer and with a release agent which may, optionally, be used on the surface of the fluoroelastomer layer.Type: GrantFiled: October 31, 1997Date of Patent: September 5, 2000Assignee: Eastman Kodak CompanyInventors: Biao Tan, Jiann H. Chen, Tonya D. Binga, Douglas B. Wilkins
-
Patent number: 5998033Abstract: A fuser member having improved toner offset release and wear characteristics. The outermost layer comprises a fluoroelastomer with thermally conductive metal oxide fillers and a silane coupling agent that is interactive with the fluoroelastomer and with a release agent which may, optionally, be used on the surface of the fluoroelastomer layer.Type: GrantFiled: October 31, 1997Date of Patent: December 7, 1999Assignee: Eastman Kodak CompanyInventors: Biao Tan, Jiann H. Chen, Tonya D. Binga, Douglas B. Wilkins