AN IMPROVED COMPOSITION APPLICABLE TO COATING METALS
Year: 1854

page_text: LETTERS PATENT to William Ryder, of Bolton-le-Moors, in the County of
Lancaster, Machinist, and James Ryder, of the same place, Agent, for
the Invention of "AN IMPROVED COMPOSITION APPLICABLE TO COATING
METALS."
Sealed the 16th May 1854, and dated the 24th February 1854.
PROVISIONAL SPECIFICATION left by the said William Ryder and
James Ryder at the Office of the Commissioners of Patents, with their
Petition, on the 24th February 1854.
We, WILLIAM RYDER, of Bolton-le-Moors, in the County of Lancaster,
Machinist, and JAMES RYDER, of the same place, Agent, do hereby declare the
nature of the said Invention for "AN IMPROVED COMPOSITION APPLICABLE TO
COATING METALS" to be as follows:-
Our improvement consists in mixing gutta percha with common resin, or
tar, pitch, or asphaltum, and dissolving them in impure benzine or coal naphtha,
or also in other volatile hydrocarbons obtained from bituminous shales or schists.
The composition or solution thus obtained is particularly applicable for spreading
over the polished parts of machinery, as it adheres to the metal, and effectually
excludes air and moisture, thereby preventing oxidation. This composition is
also applicable to coating other metallic surfaces, from which it is requisite to
exclude air and moisture, or those gases which tarnish or injure such surfaces.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said William Ryder and James Ryder in the Great Seal Patent
Office on the 23rd August 1854.
TO ALL TO WHOM THESE PRESENTS SHALL COME, we, WILLIAM
RYDER, of Bolton-le-Moors, in the County of Lancaster, Machinist, and
JAMES RYDER, of the same place, Agent, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Twenty-fourth day of February, in the year of our
Lord One thousand eight hundred and fifty-four, in the seventeenth year of Her
reign, did, for Herself, Her heirs and successors, give and grant unto us, the
said William Ryder and James Ryder, Her special license that we, the said
William Ryder and James Ryder, our executors, administrators, and assigns, or
such others as we, the said William Ryder and James Ryder, our executors,
administrators, and assigns, should at any time agree with, and no others, from
time to time and at all times thereafter during the term therein expressed,
should and lawfully might make, use, exercise, and vend, within the United
Kingdom of Great Britain and Ireland, the Channel Islands, and Isle of Man,
an Invention for "AN IMPROVED COMPOSITION APPLICABLE TO COATING METALS,"
upon the condition (amongst others) that we, the said William Rýder and James
Ryder, by an instrument in writing under our hands and seals, or under
the hand and seal of either of us, should particularly describe and ascertain
the nature of the said Invention, and in what manner the same was to be
performed, and cause the same to be filed in the Great Seal Patent Office
within six calendar months next and immediately after the date of the said
Letters Patent.
NOW KNOW YE, that we, the said William Ryder and James Ryder,
do hereby declare the nature of our said Invention, and in what manner
the same is to be performed, to be particularly described and ascertained in
and by the following statement, that is to say :-
The nature of our Invention consists in obtaining a fluid composition by
mixing gutta percha with common resin, tar, pitch, or asphaltum, and dis-
solving them in impure benzine, or coal, naphtha, or other volatile hydrocarbons
obtained from bituminous shales or schists.
Having thus stated the nature of our Invention, we will proceed to explain
the manner of preparing the same.
When our improved composition is required for spreading on the polished
parts of metals, to preserve them from oxidation, we dissolve two pounds of

page_text: of
gutta percha, and four pounds of common resin, or tar, or pitch, and one ounce
gum shellac, in four gallons of coal naphtha; these ingredients are placed in
a suitable vessel, and heated to about one hundred and sixty degrees Fahren-
heit, until the solids are completely dissolved.
It may in some cases be preferable to substitute asphaltum for the common
resin, tar, or pitch above mentioned, and impure benzine or other volatile
hydrocarbons obtained from bituminous shales or schists may be substituted
for the coal naphtha.
When this improved composition is applied as a paint, colouring matter
must be added to give the required tint or colour; and in other cases, when it
is applied to exclude air and moisture from gilt surfaces, the composition may
be rendered more fluid and transparent by dissolving the gutta percha and gum
shellac with resin only, in common naphtha or other volatile hydrocarbons, as
the case may be.
Having thus described the nature of our Invention, and the manner of
performing the same, we wish it to be understood that we do not limit our-
selves to the proportion set forth, as the same may be varied without departing
from the peculiar character of our Invention; but what we do claim is, the
improved composition herein-before described.
In witness whereof, we, the said William Ryder and James Ryder,
have hereunto set our hands and seals, this Twenty-second day of
August, One thousand eight hundred and fifty-four.
Signed, sealed, and delivered by the
within-named William Ryder and
John Ryder in the presence of
H. B. BARLOW,
Patent Agent,
WILLIAM RYDER. (L.S.)
JAMES RYDER.
(L.S.)
Manchester.