US 10,890,398 B2
Gun barrel thermal indicator
Frank Herrera, Fort Collins, CO (US); and Michael Wilkey, Severance, CO (US)
Assigned to CAVEMAN, LLC, Severance, CO (US)
Filed by CAVEMAN, LLC, Severance, CO (US)
Filed on May 13, 2019, as Appl. No. 16/410,168.
Application 16/410,168 is a continuation of application No. 15/493,543, filed on Apr. 21, 2017, granted, now 10,352,641.
Prior Publication US 2019/0353445 A1, Nov. 21, 2019
This patent is subject to a terminal disclaimer.
Int. Cl. G01K 11/00 (2006.01); G01K 1/00 (2006.01); F41A 21/00 (2006.01); F41A 35/00 (2006.01); G01K 11/12 (2006.01); G01K 13/00 (2006.01); G01K 1/02 (2006.01); G01K 1/14 (2006.01)
CPC F41A 21/00 (2013.01) [F41A 35/00 (2013.01); G01K 1/028 (2013.01); G01K 1/14 (2013.01); G01K 11/12 (2013.01); G01K 13/00 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A flexible thermochromic gun barrel temperature indicator comprising:
a thermochromic band configured to be secured around a gun barrel such that thermal energy generated within said gun barrel is transferred to said thermochromic band and wherein said thermochromic band comprises a flexible polymer; and
a quantity of a thermochromic indicator impregnated within said thermochromic band and calibrated such that said thermal energy generated from said gun barrel causes said thermochromic indicator to transmit a temperature signal when said thermal energy from said gun barrel reaches at least one pre-determined temperature threshold.