US 12,449,239 B2
Ballistic block and ballistic wall made of ballistic blocks
Krzysztof Kasendra, Cracow (PL); Tomasz Kasendra, Cracow (PL); Jerzy Kusmierczyk, Bielsko Biala (PL); and Jacek Pietrzak, Lubliniec (PL)
Appl. No. 17/627,655
Filed by Krzysztof Kasendra, Cracow (PL); Tomasz Kasendra, Cracow (PL); Jerzy Kusmierczyk, Bielsko Biala (PL); and Jacek Pietrzak, Lubliniec (PL)
PCT Filed Jul. 15, 2020, PCT No. PCT/PL2020/050051
§ 371(c)(1), (2) Date Jan. 15, 2022,
PCT Pub. No. WO2021/010850, PCT Pub. Date Jan. 21, 2021.
Claims priority of application No. 430602 (PL), filed on Jul. 15, 2019.
Prior Publication US 2022/0276029 A1, Sep. 1, 2022
Int. Cl. F41J 13/00 (2009.01)
CPC F41J 13/00 (2013.01) 18 Claims
OG exemplary drawing
 
1. A ballistic block, comprising:
a front wall;
a back wall; and
side walls each including recesses or through holes at an inner or outer side thereof and along a height thereof from a top to a bottom of each side wall, the side walls connected to the front wall and the back wall, forming a shape of a prism with a through space, wherein the through space is configured to be filled with ballistic pellets,
wherein the recesses or through holes of the side walls each have a triangular cross-section, the recesses or through holes of the side walls are each defined by an undulating line extending from the top to the bottom of each side wall, and the undulating line includes a plurality of segments each being non-perpendicular to the front wall, preventing each side wall from being torn apart by a bullet which contacts a respective segment of the plurality of segments of the undulating line that defines the recesses or through holes of each side wall.