1
Mark Petropoulos, John M Hammond: Method of preparing a multilayered belt. Xerox Corporation, Oliff & Berridge, June 4, 1991: US05021109 (39 worldwide citation)

A process for preparing a multilayered belt comprises heating a substrate formed of a polymeric material, the substrate having a predetermined inner circumference, to at least about the glass transition temperature of the polymeric material and then placing the sleeve on a cylindrical mandrel. The m ...


2
John M Hammond, Mark Petropoulos, Stuart B Berger, Robert W Nolley: Method of cleaning, coating and curing receptor substrates in an enclosed planetary array. Xerox Corporation, September 28, 1993: US05248529 (15 worldwide citation)

An apparatus and method for processing cylindrical and belt-like substrates includes a carousel rotatable to any one of a plurality of planetary stations surrounding the carousel, the carousel having a support structure defining a central horizontal axis and at least one support arm mounted on the s ...


3
Alan B Mistrater, Stanley J Pietrzykowski, Alfred O Klein, Loren E Hendrix, Mark Petropoulos, Gary A Batt, Alexander A Antonelli: Self adjusting mandrel with expandable elastomeric disk and process for using mandrel. Xerox Corporation, June 21, 1994: US05322300 (14 worldwide citation)

A mandrel including an elongated arm having a first end and a second end, a reciprocatable shaft coaxially aligned with and extending through the arm, a first end of the shaft extending beyond the first end of the arm and a second end of the shaft extending beyond the second end of the arm, a presse ...


4
Alan B Mistrater, Stanley J Pietrzykowski, Alfred O Klein, Loren E Hendrix, Mark Petropoulos, Paul L Jacobs, Gary A Batt, Eugene A Swain, Alexander A Antonelli: Low energy transfer mandrel and process for using mandrel. Xerox Corporation, July 12, 1994: US05328181 (11 worldwide citation)

A mandrel for transporting hollow cylinders including an elongated arm having a first end and a second end, an expandable disk supported at the first end and means supported at the second end to expand the expandable disk, the mandrel arm comprising an elongated body having an imaginary axis and at ...


5
Mark Petropoulos, John M Hammond, Stuart B Berger: Method and apparatus for cleaning, coating and curing receptor substrates in an enclosed planetary array. Xerox Corporation, Oliff & Berridge, August 6, 1991: US05037676 (7 worldwide citation)

A method and apparatus for coating cylindrical and belt-like photoreceptor substrates includes a coating chamber for receiving a planetary array of substrates surrounding a central horizontal axis. An applicator is located within the coating chamber along the central horizontal axis for directing a ...


6
John M Hammond, Mark Petropoulos, Stuart B Berger, Robert W Nolley: Method and apparatus for cleaning, coating and curing receptor substrates in an enclosed planetary array. Xerox Corporation, Oliff & Berridge, February 25, 1992: US05090350 (5 worldwide citation)

An apparatus and method for processing cylindrical and belt-like substrates includes a carousel rotatable to any one of a plurality of planetary stations surrounding the carousel, the carousel having a support structure defining a central horizontal axis and at least one support arm mounted on the s ...


7
Roger T Janezic, William W Limburg, Mark Petropoulos, Rachael A Forgit, Mark S Thomas, Russell N Gillmeister: Photoreceptor with low surface energy and process of making. Xerox Corporation, Oliff & Berridge, August 24, 1999: US05942360 (3 worldwide citation)

A photoreceptor includes a supporting substrate and an outer layer on the photoreceptor, the outer layer including silicone oil uniformly dispersed as vesicles in a continuous film forming polymer matrix. This photoreceptor is used in a xerographic copier/printer machine and contributes to a longer ...


8
Robert F Dunhan, Hammond John M, Richard R Wittbeck, John G Matta, Richard H Neery, Mark Petropoulos: Manufacture of electrostatic copy image forming member and electrostatic copy image forming member. Xerox, August 30, 1996: JP1996-220785

PROBLEM TO BE SOLVED: To manufacture an electrostatic copy image forming member forming a charge transport layer having no bubble defect at a high speed with economical efficiency. SOLUTION: This electrostatic copy image forming member contains a charge generating layer and a charge transport layer. ...