BULLET-PROOF BOLT Russian patent published in 2015 - IPC F16B35/00 

Abstract RU 2542082 C1

FIELD: construction.

SUBSTANCE: bullet-proof bolt includes bar and head. The bolt is made of high-strength steel subjected to thermal hardening to 400-600 HB, and bolt head features at least one groove along its perimeter with the width of 0.1-0.5 of bolt head height and depth of 0.05-0.25 of bolt head diameter.

EFFECT: improved connection reliability for structures designed to provide protection against bullets or shells.

2 cl

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RU 2 542 082 C1

Authors

Brovkin Anton Vladimirovich

Drobyshevskij Igor' Konstantinovich

Kuznetsova Ljubov' Leonidovna

Pankov Artem Sergeevich

Chernyshov Mikhail Viktorovich

Dates

2015-02-20Published

2014-03-07Filed