Method of Making Concrete Tombstones. Page: 1 of 1
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UNITED STATESPATENT OFFICE.
MARION JONATHAN HENDLEY, OF ATHENS, TEXAS.
METHOD OF MAKING CONCRETE TOMBSTONES.No. 859,062.
To all whom it may concern:
Be it known that I, MARION JONATHAN HENDLEY, a
citizen of the United States, residing at Athens, in the
county of Henderson and State of Texas, have in-
5 vented a new and useful Method of Making Concrete
Tombstones, of which the following is a specification.
This invention relates to a method of making con-
crete tomb-stones.
The object of the invention is in a ready and practi-
10 cal manner to obviate the necessity of wetting the
concrete or wrapping it in wet cloths to prevent crack-
ing when drying, materially to reduce the time neces-
sary for the drying, and at the same time to eliminate
the excessive care heretofore necessary in order to
15 prevent cracking of the molded concrete; to enhance
the beauty of the product; effectually to close the pores
and cells of the concrete thereby to preclude entrance
of water which, by freezing causes deterioration and
breakage of the product, to cheapen its production and
20 to obviate the necessity of the employment of any
special type of machinery in its production.
With the above and other objects in view as will
appear as the nature of the invention is better under-
stood, the same consists in a method of making con-
25 crete tomb-stones, as will be hereinafter fully described
and claimed.
The ingredients employed in the production of the
concrete are sand, cement, salt and water together with
a metallic coloring matter that is designed not only to
30 impart beauty to the finished article but also to fill
the pores and air -cells and thus render the mass im-
permeable to water.
In carrying the invention into effect equal parts of
sharp sand and cement are thoroughly co-mingled,
35 and with it is mixed a salt water solution obtained by
dissolving five pounds of salt in three gallons of water.
The salt water solution is then mixed with the sand
and cement in quantities to produce a mass having the
consistency of thick dough and this is taken and
40 packed into a mold of any desired shape and contain-
ing the designs that are to be borne by the tomb stone.Patented July 2, 1907.
After the mass has remained in the mold for twenty-four
hours there is applied to it a metallic paint consisting
of powdered aluminium and gasolene in the propor-
tion of one-half pound of the aluminium to one-half 45
gallon of the gasolene. This paint is applied with a
brush to the molded object at the rate of one coat a
day for three days and owing to the damp condition of
the mass it will take up the paint and cause its dis-
semination throughout quite a depth thereof. This 50
paint imparts a beautiful luster to the article and at
the same time operates to fill up air cells and pores,
and render the surface impermeable to water, and at
the same time'impart to it a highly finished appear-
ance. 55
By including salt with the sand and cement, the
former, owing to the presence of magnesium chlorid,
which is hygroscopic in character, will operate to re-
tain the moisture and prevent. its too rapid escape,
thereby preventing cracking while' drying and ob- 60
viating the necessity of dampening the concrete or
wrapping the same in wet cloths. Furthermore, it
has been found that where the salt is used that the
mold can be exposed to sun light to effect drying and
that the drying can be completed in about four days, 65
whereas heretofore it has required about thirty days
to complete the drying, and the same must be done in
the shade.
I claim:-
The method of making concrete articles which consists 70
in mixing together sand, cement and salt and water, pack-
ing the resulting compound into a suitable mold and al-
lowing the same to stand for twenty-four hours and sub-
sequently coating the molded product with a metallic col-
oring substance to fill up the pores or cells and consisting 75
of equal parts of powdered aluminium and gasolene, said
coating being applied to the concrete at the rate of one
coat a day for three successive days.
In testimony that I claim the foregoing as my own, I
have hereto affixed my signature in the presence of two 80
witnesses.
MARION JONATHAN HENDLEY.
Witnesses:
T. H. BELL,
J. R. GUNDT.Specification of Letters Patent.
Application filed February 16, 1906. Serial No, 301,318.
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Hendley, Marion Jonathan. Method of Making Concrete Tombstones., patent, July 2, 1907; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth510429/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.