IMPROVED CONSTRUCTION OF ASPITALTIC ROOFING FOR SHEDS, HOUSES, AND THE LIKE
Year: 1877

page_text: LETTERS PATENT to Richard Taylor, of the Limes, Rush Green, Romford, in
the County of Essex, for the Invention of "IMPROVED CONSTRUCTION OF
ASPITALTIC ROOFING FOR SHEDS, HOUSES, AND THE LIKE."
Sealed the 15th September 1877, and dated the 16th March 1877.
PROVISIONAL SPECIFICATION left by the said Richard Taylor at the
Office of the Commissioners of Patents on the 16th March 1877.
RICHARD TAYLOR, of the Limes, Rush Green, Romford, in the County of Essex.
"IMPROVED CONSTRUCTION OF ASPHALTIC ROOFING FOR SHEDS, HOUSES, AND THE
LIKE."
This Invention relates to improved construction of asphaltic. roofing for sheds,
houses, and the like, and consists essentially in mixing 56lbs. raw pitch, 37lbs. pure
asphalte, 37lbs. creosote or like oil, in a cauldron or vessel subjected to heat.
The mixture when thoroughly amalgamated is to be spread upon canvas, and
then to have slate dust or refuse soap ashes sprinkled on to cover the surface, the
dust or ashes being thus caused to adhere to tlie mixture and form a coating thereon.
The canvass thus coated can then be passed over a drum or over rollers, in a drying
room in which the excess of dust can also be removed by a brushing roller as
desired.
The canvas when dry can be rolled up, a little slate dust being sprinkled on to
keep the layers apart; the canvas in this state is ready for cartage or transport,
and can be laid upon sheds and other roofings in the ordinary way of felt roofing.
The new asphaltic roofing canvass is far superior to known roofing felts as a
waterproof covering, it is also cheaper, can be laid much easier, and has a better
appearance to the eye.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed by
the said Richard Taylor in the Great Seal Patent Office on the 15th September
1877.
RICHARD TAYLOR, of the Limes, Rush Green, Romford, in the County of Essex.
"IMPROVED CONSTRUCTION OF ASPHALTIC ROOFING FOR SHEDS, HOUSES, AND THE
LIKE."
This Invention relates to improved construction of asphaltic roofing for sheds,
houses, and the like, and consists essentially in mixing 56lbs. raw pitch, 37lbs. pure
asphalte, 37lbs. creosote or like oil, in a cauldron or vessel subjected to heat.
The mixture when thoroughly amalgamated is spread upon canvas, and then slate
dust, saw dust, soap ashes, or other refuse sprinkled on to cover the surface, the dust
or ashes being thus caused to adhere to the mixture and form a coating thereon.
The canvas thus coated can then be passed over a drum or over rollers in a drying
room, in which the excess of dust can also be removed by a brushing roller, as
desired.
The canvas when dry can be rolled up, a little slate or other dust being sprinkled
on to keep the layers apart; the canvas in this state is ready for cartage or transport,
and can be laid upon sheds and other roofings in the ordinary way of felt roofing.
The new asphaltic roofing canvas is far superior to known roofing felts as a
waterproof covering, it is more durable, can be laid much easier, and has a better
appearance to the eye.
The asphalte roofing is also applicable to covering bricks set out to dry in lieu of
straw, also for damp courses in buildings, for gutterings, and as a lining for ships'
bottom sheathing.
I desire to observe that my asphaltic roofing is not a felt, but a canvas com-
pletely impregnated with the ingredients in compound as well as coated on both
sides by it.
I do not limit myself strictly to the proportions of ingredients named as they
may be varied under certain circumstances.
The accompanying Sheet of Drawings represents the construction of apparatus I
purpose using for preparing my asphaltic roofing.
A is a pan or cauldron in which my compound is kept heated by fire in the
furnace B. The cauldron is of semi-circular shape in one direction with vertical
'side walls, to the insides of which angle iron strips are fitted to serve as guides to a
skeleton frame C, which can be drawn up by chains D, D, and winch barrel E, when
the handle F is turned in the proper direction.
The winch barrel is supported by uprights G, G, mounted upon the top edge of
the cauldron, and the lower part of the skeleton frame carries a roller H, under
which the canvas from the roll I on the axis J is first taken, and then led between
the pair of rollers K, K, the skeleton frame C is then lowered to bring its roller H
near the bottom of the cauldron as in dotted lines, and the handle L turned to draw
the canvas through the bath. The upper of the two rollers K, K, is adjustable in
the bearings M to regulate the thickness of the coating upon both sides of the
'canvas as well us to give sufficient nip to lift it from the bath. By this means the
superfluous compound is kept back, and a regular and uniform surface of the coating
is etablished. The rollers K, K, are heated preferably by gas from the pipes N, N,
to help dry and set the compound upon the fabric as it passes through between, the
sticking being prevented by the dry heat and the presence of slate powder, wood
saw dust, soap ashes, or other refuse, which is sprinkled on or otherwise applied,
which dust or refuse becomes embedded into the surface as before explained.
Having now described the nature of my said Invention, and in what manner
the same is to be performed, I declare that I claim the manufacture of asphaltic

page_text: roofing composed of canvas impregnated and coated with the compound herein-before.
described.
In witness whereof, I, the said Richard Taylor, have hereunto set my hand
and seal, this Fifteenth day of September, One thousand eight hundred and
seventy-seven.
RICHARD TAYLOR, (L.S.)