Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
John C. Anderson0
William K. Szaroletta0
Date of Patent
January 10, 2006
0Patent Application Number
102673690
Date Filed
October 9, 2002
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Photoelastic elements are formed deliberately with stress concentrations so that, when evaluated with a polariscope, more pronounced isochromatic bands or fringes result when loads are applied to these elements or to assemblies of these elements. A kit of photoelastic elements, at least some of which have stress concentrations formed therein, is also disclosed. In addition, a toy for producing color patterns is disclosed.
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