IMPROVEMENTS IN THE MEANS OF SECURING.
Year: 1875

page_text: LETTERS PATENT to Alfred Moore, of Fitzroy Works, Euston Road,
in the County of Middlesex, and Arthur Charles Moore, of No. 21,
Mount Pleasant, Waterloo, near Liverpool, in the County of Lan-
caster, for the Invention of "IMPROVEMENTS IN THE MEANS OF SECURING
Sealed the 2nd July 1875, and dated the 30th January 1875.
.
PROVISIONAL SPECIFICATION left by the said Alfred Moore and
Arthur Charles Moore at the Office of the Commissioners of Patents,"
with their Petition, on the 30th January 1875.
WC, ALFRED MOORE, of Fitzroy Works, Euston Road, in the County
of Middlesex, and ARTHUR CHARLES MOORE, of No. 21, Mount Pleasant,
Waterloo, near Liverpool, in the County of Lancaster, do hereby declare
the nature of our said Invention for "IMPROVEMENTS IN THE MEANS OF
SECURING SHEET METAL ROOFING," to be as follows:-
Our Invention relates more particularly to that construction of sheet
metal roofing in which the sheet metal is formed with rolls-at certain

page_text: distances apart, and is fixed by screws to wood rolls underneath the sheet
metal.
Our Improvements have for their object to securely fix the sheet.
metal roofing, and yet at the same time to allow it freedom to expand
and contract under variations of temperature. For this purposo we
secure the sheet at the middle of its length by screws, as heretofore, but
at the upper end we form slotted holes in the sheet metal, and we place
upon such upper end a clip or piece of metal curved to the shape of the
roll, and having circular holes corresponding with in position the holes in
the sheet, through which holes screws are screwed into the wood roll, so
as to secure both the clip and the upper end of the sheet, which is
however free to expand and contract on account of its slotted holes.
The lower end of the clip has a lip turned over some distance, and the
lower overlapping end of the next sheet above is slid underneath this lip,
being held down securely thereby, while at the same time it is free to
expand and contract.
.
Although our improvements are more particularly applicable to sheet
metal roofing formed with rolls as described, yet they may also be
applied with advantage to other forms of sheet metal roofing in which
the sheet metal plates are made to overlap each other.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said Alfred Moore and Arthur Charles Moore in the
Great Seal Patent Office on the 27th July 1875.
TO ALL TO WHOM THESE PRESENTS SHALL COME, we, ALFRED
MOORE, of Fitzroy Works, Euston Road, in the County of Middlesex, 2
and ARTHUR CHARLES MOORE, of No. 21, Mount Pleasant, Waterloo,
near Liverpool, in the County of Lancaster, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Thirtieth day of January, in the year
of our Lord One thousand eight hundred and seventy-five, in the
thirty-eighth year of Her reign, did, for Herself, Her heirs and suc-
cessors, give and grant unto us, the said Alfred Moore and Arthur
Charles Moore, Her special license that we, the said Alfred Moore and

page_text: 3
.
Arthur Charles Moore, our executors, administrators, and assigns, or such
others as we, the said Alfred Moore and Arthur Charles Moore, 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
"IMPROVEMENTS IN THE MEANS OF SECURING SHEET METAL ROOFING," upon
the condition (amongst others). that we, the said Alfred Moore and
Arthur Charles Moore, our executors or administrators, by an instrument
in writing under our or their hands and seals, or under the hand and
seal of one of us or them, 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 I, the said Alfred Moore, on behalf of myself
and the said Arthur Charles Moore, do hereby declare the nature of the
said Invention, and in what manner the same is to be performed, to be
particularly described and ascertained in and by the following statement
thereof, reference being had to the accompanying Sheet of Drawings
and to the figures and letters marked thereon, that is to say :—
> Our Invention relates more particularly to that construction of sheet.
metal roofing in which the sheet metal is formed with rolls or flutes at
certain distances apart, and is fixed by screws to wood rolls or rafters,
underneath the sheet metal.
* Our improvements have for their object to securely fix the sheet metal;
roofing, and yet at the same time to allow it freedom to expand and
contract under variations of temperature. For this purpose we secure
the sheet at the middle of its length by screws, as heretofore, but at the
upper end we form slotted holes in the sheet metal, and we place upon
such upper end a clip or piece of metal curved to the shape of the roll
or rafter, and having circular-holes corresponding in position with the¨.
holes in the sheet, through which holes screws are screwed into the wood
roll or rafter so as to secure both the clip and the upper end of the sheet,
which is however free to expand and contract on account of its slotted
holes. The lower end of the clip has a lip turned over some distance,
and the lower overlapping end of the next sheet above is slid underneath:

page_text: free to expand and contract.
Although our improvements are more particularly applicable to sheet
metal roofing formed with rolls or flutes, as described, yet they may also
be applied with advantage to other forms of sheet metal roofing in which
the sheet metal plates are made to overlap each other.
1
DESCRIPTION OF THE DRAWINGS.
Fig. 1 represents a longitudinal section of part of a roll or flute of
sheet metal roofing shewing the junction of two sheets arranged according
to our Invention; Fig. 2 is a plan of the same, with the upper sheet
removed to shew the junction clip, of which Fig. 3 is a perspective
view.
=
'
A is the lower sheet, which is fixed in the middle, so that it is free to
expand or contract both ways. It has at its upper end slotted holes a, a,
through which pass the screws for securing the clip B, the slotting of
these holes permitting the expansion or contraction of the upper part of
the sheet A. The clip B has round fitting holes, through which pass the
screws for securing it to the roof roll or rafter, so that it is immoveable,
while the sheet A. can move under it. The clip B is made with a turned
back lip C, forming a chase, into which enters the lower edge of the
upper sheet D; which, like A is fixed in its middle, and has slotted holes
at its upper end. The turned over lip C of the clip, whilst it serves to
hold the lower edge of the sheet D down on the roof allows to it freedom."
of movement longitudinally. Thus, each sheet, while it is held firmly.
at its middle, is permitted to expand or contract freely at each side of
the middle, both its upper and lower edges being nevertheless held down
by means of the clips B:
Having thus described the nature at our Invention, and in what
manner the same is to be performed, we claim,-
First. The use for the junction at the roll or flute of sheets of metal
roofing of a clip which is held down by screws passing through slotted
holes in the lower sheet, and which has a turned back lip forming a
chase to receive the edge of the upper sheet, substantially in the manner
and for the purpose herein set forth.
1
Second. The method, substantially as herein described, of forming the
junctions of sheets of metal roofing at the rolls or flutes, so as to give.

page_text: middles.
In witness whereof, I, the said Alfred Moore, have hereunto set my
hand and seal, this Twenty-sixth day of July, in the year of our
Lord One thousand eight hundred and seventy-five.
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