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Nov. 5, ‘1946.
2,41 0,761
‘A. TROPIANO
METHOD OF MAKING HEAT-RESISTANT CEMENTITIOUS MATERIAL
Filed July 19, 1944
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INVENTOR.
ANTHONY TROP/ANO
BY
ATTORNEY
_
~ “
one
s
Anthony Tropiano, East lmortchester, (loan. ‘
Applicationduly. N, 1944, Serial No. 545,724‘
1 Claim. (ores-+5154)
The invention relates to cementitious materials
.7
ment for three quarters i an hour. That is, said I I
material is removed from the oven, made wet
and has for its object to provide a cementitious
material capable of is wide variety of uses, which
again, and placed in the oven three times in
three-quarters of an hourand then permitted
is heat resistant to a very high degree.
' The invention contemplates further the provi~
sion oi’ a cementitious- material which will resist
the action of a blow torch or an acetylene torch
applied thereto, and which apparently inores ,
to
cool.
>
_
'
-
-
At this stage the cementitious material is heat
>resistant to a very high degree, and is capable
of resisting, without injury, the heat ‘of'a blow
torch, or an acetylene torch, applied thereto. .As
in hardness under the application of ‘such heat.
Another object of the invention is to provide m a matter of fact, such application of heat appears
novel coatings of various types embodying the _ to increase the hardness of the material. '
novel cementitious material.
-_ In some cases paper in relatively small pieces.
A further purpose of the invention is to pro
vide a novel method of making the novel cemen
land or Brixment cement and 21"“, plaster
may be added to the aforesaid mixture of Port
'
.‘
'15 (met) in comparatively small amounts. For in
- Other objects will appear from the description ‘
stance, the amount of paper added may comprise
t'itious material.
aproximately several full tablespoons.
hereinafter and the features‘ of novelty will be '
' pointed out in the cl
'
The novel material has been also produced ‘in ‘
.
The accompanying drawing which, in exag
gerated form, illustrates an example of the inven
tion without de?ning its limits, shows, in sec
tional view, a ‘coating embodying the novel ce
e'ihcient ‘form with a mixture of roolswool, Port
land or Brixment cement and gypsum plaster
(neet). combined with each other in predeter-i
mined proportions, and mixed together in water
/ _ enough to produce the desired ‘consistency.
. -For instance, the mixture may comprise one
_ various types, all oi’ which include the vproperty 1:: a‘ pound of rockwoohone pound of Portland or
mentitious material.
-
’
I
The novel .cementitious material, may be of
of being heat-resistant to a. very high degree.
‘
_Brixment cement, one poundyoi gypsum plaster
(meet) and enough water .to bring'the mixture
For instance, the novel cementitious material
may comprise a mixture of cement and a gy
to the desired consistency."
‘
plaster or other suitable ?bered plaster, and
Thismixture may then be permitted to set and Y I‘
water, mixed together in predetermined propor :1; heat-treated in the same way as previously de
tions. Either of the cements commercially mown
scribed herein.
as “Portland cement” or “Brixment” cement have
been found satisfactory and may be used in the’
mixture.
'
'
Inits ?nished form the material is extremely
hard and is capable of to
a very high polish
The novel cementitious material may be used
for many purposes such as building blocks, pot
~
Asatisfactory result has been attained with a
_- mixture consisting of one pound of Portland or
tery, bathtubs and other tubs, shower stalls,
Brixment cement, from one up to eleven pounds
of gypsum plaster mown to the workmen as
"nest," and water enough to enable the mixture
. swimming pools’ and tile. The material further
- to'be worked into a
te. '
may be used for making molds of different types,
pipes, grind stones and ovens, and in addition
so may be utilized
insulation, as ?ooring, and ior
The resulting paste may be molded or other . counters, bars and the like.
‘
wise shaped to predeteed form and in any
The novel material may also be used for mak
case may be baked in the presence of heat pref
ing wall-boards by being pressed into shape, and
erably at a‘temperature oi’ at least twenty~three
in its plastic state will stick toporcelain, china,
hundred and ?fty degrees (2350” F.) Fahrenheit, es plaster of Paris, cast iron and other metals, sheet
until hardened. In such case the mixture pref
rock, etc., and as plaster on rock, lath. cement
erably. is ?rst permitted to set and then is made
blocks, bricks, @elotex and. newspaper.
_
wet, for instance, by holding it in water from
The novel cementitious material may be uti
lized i’or many other purposes and is of mammum ‘
a faucet, and then baked for instance byhe
d the like, and
4 put in an oven. The material is removed from so emciency as stucco for houses
the oven after a predetermined time-interval, for . - in the construction of walls, partitions and the
instance, of‘ ?fteen minutes and again made wet
and replaced in the oven. This operation is re‘
posted at ?iteemminute intervals unt? said ma=
terial has been subjected to the aforesaid treat-
'
like.
_
~
. In suchcase the following
.
,1
'
ceeding is pre
ierred:
~
‘ As the
t step tar pamr or‘ other
{'11
'
a
1
2,410,761
paper 5, in the form of sheets, is nailed on the
support 6, which may be the frame of a building,
4.
tion at an appropriatestage to imbed the heads“
lithereof in theouter coating Ill-a as shown in
a wall or other structure. ‘The nails "I, whereby - the drawing.
the sheets 5 are nailed in place, preferably in
Although the present invention has been‘de
clude heads 8 and are driven only part way into 5 scribed in conjunction with preferred embodi
the support 6 as illustrated in the drawing, so
ments, ‘it is to be understood that modi?cations
as to project outwardly beyond the building pa- '
and Variations may be resorted to without de
per l5. Sheets 9 of newspaper or its equivalent
parting from the spirit and scope of the inven
are then secured in place, in surface engagement, tion as those skilled in the art will readilyunder
with the tar or other building paper 5, in any in stand. Such variations and modi?cations are
convenient manner ‘as by ‘means of a suitable
considered to be within the purview and scope of
paste, shellac or the like.- As the next step, a
coating III of the novel. cementitious material in '
the claim.
.
I claim:
i
‘
plastic form is applied to the newspaper sheets 9
The
method
of’
making
cementitious
mate
to cover the same to a predetermined thickness; 16'
rial. which comprises mixing cement, 'ilbered
for instance, said coating Ill may be about 54;"
‘plaster, and water together in predetermined‘
in thickness. Additional sheets 9-a of news
proportions to form a paste, shaping said paste
paper, or‘the like, are then applied to the coat
into predetermined form and permitting it to set,
ing It in surface engagement therewith to cover
the same while said coating ill is still plastic. An 20 surface-wetting said set material, subjecting said
surfaceswet material to the action of oven heat
additional coating l0—-a of the novel cementi
' tious material is then spread upon the surface
of the additional sheets 9—a. This second and
' of at least twenty-three hundred and ?fty de- _ -
grees Fahrenheit for a time-period of fifteen
minutes, removing said material from these
outer-coating ill-a preferably is also of approxi
mately 1A3" in thickness. The coatings I9 and 25 tion of said heat at the end of said time-period,
rewetting said material, subjecting said rewet
l0-—-a are trowelled down under fairly good pres
sure and the outer-coating I0-—a is covered with ‘
material to the ‘action of oven heat at the same
paper in the form of sheets H which remain in
place until the material It and Ill-a has set
temperature for asecond time-period of ?fteen
‘ minutes, removing said material from the action
and dried and then may beremoved. The sheets 30 of said heat at the end of said second time-pe
ll serve to protect the outer-coating lll—a while
the latter is dryingzandsubsequent thereto are
removed in any convenient manner. The‘protec
tive sheets I I may be applied to the coating iii-a
by trowelling and in addition to the protective 35
function may serve “to produce a surface design .
on the outer face of the coating ill-a. If neces
sary, the nails ‘I may be driven into proper posi
riod, again wetting said material, subjecting said
again-wet material to the action of oven heat
at the same temperature for a third time-period
of ?fteen'minutes, removing said material from -
the action of said heat at the end of said third
time-period, and permitting said material to
cool.
' ANTHONY TROPIANO.
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