Patent Number: 9,970,472

Title: Torque-indication crush washer

Abstract: An apparatus comprises a metal washer having an outer circumference, a plurality of cavities formed within the washer, wherein each cavity has an opening that is flush with the outer circumference, an indicator material comprising an inspection lacquer within at least one of the cavities, and a membrane along the outer circumference sealing the inspection lacquer within the cavity.

Inventors: Handa; Manoj (Garland, TX)


International Classification: F16B 31/02 (20060101)

Expiration Date: 2022-05-15 0:00:00