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ÜCÍÁ 29, 1946~
c. J. DuMAls
v
ARMOR
2,410,022
.
'
Filed Aug. s, 1942
Inventor
¿'À/œrles «Ése/vk Jamais
By @Mm
WWW#
Patented Oct. 29, 1946
i 2,410,022
UNITED STATES PATENT OFFICE
2,410,022
'
~
ARMOR
Charles Joseph Dumais, Woonsocket, R. I.
Application August 5, 1942, Serial No. 453,744
1 Claim.
1
This invention relates to new and useful im
provements in armored vehicles and more partic
ularly to an armored ñghting tank especially
adapted for use in warfare.
These and other important objects and advan
tages `of the invention wil1 become apparent to
(Cl. 109-83)
2
spaces. Thus a highly resistant shell structure
is >provided for tanks which will not only conserve
steel but offer a highly eiîective barrier against
gun iire.
While the foregoing specification sets forth `the
invention in speciñc terms, it is to be understood
that numerous changes in the shape, size and
In the drawing
materials may be resorted to without departing
Figure 1 is a fragmentary side elevational view
from the spirit and scopeof the invention Ias
of the Wall plates of .theI tank before the aggre 10 claimed hereinafter.
gate has been poured.
`
the reader of lthe following description. g
Having described the invention, what is claimed
Figure 2 is a fragmentary Vertical sectional
as new is:
view through a wall portion of the tank showing
In an armored -tank structure, a body compris
the concrete filler.
_ing an outside wall, an inside wall, a plane sur
The body or shell of the tank, not shown, com 15 faced intermedi-ate wall interposed between the
prises an outside wall a, an inside wall b, and an
inner and outer walls and in equidist-antly spaced
intermediate wall c, these walls being in spaced
relation therewith, and a concretious deposit in
relation. The intermediate wall c is formed with
the spaces between .the walls, said intermediate
openings and a concretious aggregate is poured
in the spaces between the walls, with the open 20 wall being formed with openings so that the con
cretious deposit can connect between the spaces
ings serving to allow some of this aggregate to
betere hardening.
»
form binding connections between the wall
Y
CHARLES JOSEPH DUMAIS.
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