FIELD: construction.
SUBSTANCE: frame of the door leaf of the blast-proof bulletproof door is sheathed with a metal sheet made of armored steel with a hardness within 400…600 HB.
EFFECT: increasing the protective characteristics of the door unit, reduce its materials-consuming and simplify the design.
2 cl
Title | Year | Author | Number |
---|---|---|---|
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|
RU2492406C1 |
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|
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FIRE- AND EXPLOSION-PROOF DOOR | 2017 |
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BULLET-PROOF ROLLER SHUTTERS | 2019 |
|
RU2732894C1 |
VEHICLE DRIVER PROTECTION DEVICE | 2014 |
|
RU2550943C1 |
METHOD TO MANUFACTURE ARMOURED BOX VAN OF PANEL DESIGN | 2011 |
|
RU2492405C1 |
ARMOUR PROTECTION | 2023 |
|
RU2810095C1 |
ARMOURED VEHICLE AND ARMOURED PANEL THEREFOR | 2015 |
|
RU2595242C1 |
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|
RU2510374C1 |
FIGHTING VEHICLE | 2004 |
|
RU2289777C2 |
Authors
Dates
2017-05-23—Published
2013-11-11—Filed