US 11,914,280 B2
Thermal processing drum
Kent R. Struble, Woodbury, MN (US); Joel C. Marsh, New Richmond, WI (US); and Daniel J. Peick, Apple Valley, MN (US)
Assigned to Carestream Health, Inc., Rochester, NY (US)
Appl. No. 16/766,828
Filed by CARESTREAM HEALTH, INC., Rochester, NY (US)
PCT Filed Dec. 18, 2018, PCT No. PCT/US2018/066194
§ 371(c)(1), (2) Date May 26, 2020,
PCT Pub. No. WO2019/126143, PCT Pub. Date Jun. 27, 2019.
Claims priority of provisional application 62/643,070, filed on Mar. 14, 2018.
Claims priority of provisional application 62/609,510, filed on Dec. 22, 2017.
Prior Publication US 2020/0319544 A1, Oct. 8, 2020
Int. Cl. G03D 13/00 (2006.01); G03B 27/30 (2006.01); G03C 1/494 (2006.01); G03C 8/40 (2006.01); H05B 3/00 (2006.01)
CPC G03D 13/002 (2013.01) [G03B 27/306 (2013.01); G03C 1/494 (2013.01); G03C 8/40 (2013.01); H05B 3/0033 (2013.01)] 26 Claims
OG exemplary drawing
 
1. A cylindrical drum for processing a thermal image medium, the drum having an axis of rotation, comprising:
first and second end plates that each extend orthogonally to the axis of rotation and enclose an inner core of the drum;
first and second inner partitions disposed along the axis of rotation, and defining a first end zone in the inner core lying between the first inner partition and the first end plate, a second end zone in the inner core lying between the second inner partition and the second end plate, and a middle zone in the inner core lying between the first and second inner partitions, wherein each of the inner partitions has a plurality of sleeve portions that extend outward from said each of the inner partitions, in an axial direction;
a first lamp heater extending parallel to the axis and through one or more sleeve portions and having a first filament disposed within the first end zone and a second filament disposed within the second end zone; and
a second lamp heater extending parallel to the axis and through one or more sleeve portions and having a central filament disposed within the middle zone.