US 11,885,927 B2
Image quality test article
Eric Atherton, Middletown, NJ (US); Matthew Aderholdt, Vineland, NJ (US); Joseph Regensburger, Grove City, OH (US); Lucinda Flaherty, Bradenton, FL (US); and Joseph Cochran, Egg Harbor Township, NJ (US)
Assigned to Battelle Memorial Institute, Columbus, OH (US)
Filed by Battelle Memorial Institute, Columbus, OH (US)
Filed on Jun. 26, 2020, as Appl. No. 16/913,022.
Application 16/913,022 is a division of application No. 15/514,232, granted, now 10,739,492, previously published as PCT/US2015/052479, filed on Sep. 25, 2015.
Claims priority of provisional application 62/056,272, filed on Sep. 26, 2014.
Prior Publication US 2020/0326446 A1, Oct. 15, 2020
Int. Cl. G01V 5/00 (2006.01); G01T 1/02 (2006.01); G01V 13/00 (2006.01)
CPC G01V 5/005 (2013.01) [G01T 1/02 (2013.01); G01V 5/0008 (2013.01); G01V 13/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An acetal cylinder test object comprising:
at least two metal annular devices; and
at least two acetal cylinder forming sections comprising a first section and a second section, each section of the at least two acetal cylinder forming sections being detachable from one another, wherein the first section comprises a recess and the second section comprises a raised portion, the recess of the first section configured to receive the raised portion of the second section for detachable interconnection of the first section and the second section, wherein the first section and the second section each include a threaded connector configured to interconnect with another threaded connector; and
wherein at least a portion on one of the at least two acetal cylinder forming sections comprises a cylindrical undercut configured to receive at least one of the two metal annular devices and to limit positioning of one of the at least two metal annular devices on one of the at least two acetal cylinder forming sections.