IMPROVEMENTS IN THE MANUFACTURE OF ARTIFICIAL IVORY
Year: 1884

page_text: I LEVI PARSONS MERRIAM of 124 High Street, Homerton, in the County
of Middlesex, Manufacturer do hereby declare the nature of my invention
for "IMPROVEMENTS IN THE MANUFACTURE OF ARTIFICIAL IVORY to be as
follows:-
My invention has reference to the manufacture of artificial ivory from xylonite,
pyroxyline, celluloid or other equivalent material and its object is to produce a
grained effect similar to that found in real ivory.
I make xylonite (or other equivalent material) in any ordinary manner of
different colors or shades of color resembling those respectively found in real ivory
and I roll or cut the same into sheets in the ordinary manner. I then arrange the
sheets of different colors or shades of color in an order approximately imitating
the grain in ivory and put them into what is known to xylonite manufacturers
as a stuffing machine, that is to say, a machine composed of a cylinder and of a
piston operated by bydraulic or other powerful pressure the machine being heated
by steam or otherwise in order to soften the material. I force the material out of
this machine in the form of rods or strips of such thickness and shape (as regulated
by the outlets from the machine) as may be thought suitable and I then compact
these rods or strips by pressure into a solid block or body.
The solid block or body obtained by these 2 successive processes of forcing into
rods or strips and of compacting the rods or strips together constitutes an artificial
ivory with a less regular or formal grain than artificial ivory made from xylonite
by the methods hitherto followed and therefore bears a closer resemblanco to real
ivory. The block may subsequently be cut into such forms as may be required.
J. C. MEWBURN,
169, Fleet Street, London,
Agent for the Applicant.

page_text: COMPLETE SPECIFICATION.
I LEVI PARSONS MERRIAM, of 124 High Street, Homerton, in the County
of Middlesex, Manufacturer do hereby declare the nature of my invention for
"IMPROVEMENTS IN THE MANUFACTURE OF ARTIFICIAL IVORY and in what
manner the same is to be perforined, to be particularly described and ascertained
in and by the following statement:-
My invention has reference to the manufacture of artificial ivory from xylonito,
pyroxyline, celluloid or other equivalent material and its object is to produce a
grained effect similar to that found in real ivory.
I make xylonite (or other equivalent material) in any ordinary manner of
different colors or shades of color resembling those respectively found in real ivory
by the addition of the proper proportion of the requisite pigments and coloring
matter, as is well understood, and I roll or cut the saine into sheets in the ordinary
manner. I then arrange the sheets of different colors or shades of color in an order
approximately imitating the grain in ivory and put them into what is known to
xylonite manufacturers as a stuffing machine, that is to say, a machine composed
of a cylinder and of a piston operated by hydraulic, or other powerful, pressure the
machine being heated by steam or otherwise in order to soften the material. I
force the material out of this machine in the form of rods or strips of such thickness
and shape (as regulated by the outlets from the machine) as may be thought
suitable and I then compact these rods or strips by pressure into a solid block
or body.
The solid block or body obtained by these 2 successive processes of forcing into
rods or strips and of compacting the rods or strips together constitutes an artificial
ivory with a less regular or formal grain than artificial ivory made from xylonite
by the methods hitherto followed and therefore bears a closer resemblance to real
ivory. The block may subsequently be cut into such forms as may be required.
Having now particularly described and ascertained the nature of my said
invention, and in what manner the same is to be performed, 1 declare that what
I claim is
The manufacture of artificial ivory from sheets of xylonite or other equivalent
material of different colors or shades of color resembling those respectively found
in ivory, by arranging these sheets in an order approximately imitating the grain in
ivory, then putting them into a stuffing machine, forcing them out of this machine
in the form of rods or strips, and finally compacting these rods or strips by means
of pressure into a solid block or body substantially as herein-before described.
J. C. MEWBURN,
169, Fleet Street, London,
Agent.