Roofing and such like Purposes.
Year: 1888

page_text: Date of Application, 24th July, 1888
Complete Specification Left, 23rd Apr., 1889
Complete Specification Accepted, 25th May, 1889
Roofing and such like Purposes.
I, WILLIAM HENRI LUTHER, of Petershill Road, Glasgow, Lanarkshire, Manufacturer,
do hereby declare the nature of my invention to be as follows :—
Corrugated sheet metal as heretofore constructed and manufactured for roofing
purposes has been found to have a defect at the overlapping edge joints of the
plates in the direction of the corrugations from the ridge to the eaves or "rhones"
of the roof, where they are simply constructed in the same manner as the corru-
gations in the middle portion of the plate having the edge corrugation of
the one plate laid or lapped over the other, so that in low or obtuse angled roofs
and in heavy or boisterous rainy weather the water flows or is blown in through
the joint.
The object or purpose of this Invention is the improved construction of these
edge jointing corrugations of corrugated sheet iron or other metal, so as to
prevent the passage of water through them and into the inside of the roof and
building.
The nature and novelty of the improvements consist in making and forming the
outer or adjacent and raised corrugations at each edge of the plate, which lay and
lap over each other to form the joint, much bigher than the other corrugations
in the body of the plate, but otherwise shaped so as to fit close over each other
at the alternate edges in the same manner as the ordinary low corrugations have
heretofore been fitted, in order to make close joints, but much higher in the ridges.
These high edge ridges need not necessarily however be of the same shape as the
other corrugations in the body of the plate, which might be made lower than usual
in consequence of having the plate strengthened by these new high ridges at the
edges, and so while being equally strong might be made with less sheet metal.
1000

page_text: COMPLETE SPECIFICATION.
Improvements in the Construction of Corrugated Sheet Metal for
Roofing and such like Purposes.
I, WILLIAM HENRI LUTHER, of Petershill Road, Glasgow, Lanarkshire, Manu-
facturer, do hereby declare the nature of my said invention and in what manner
the same is to be performed to be particularly described and ascertained in and by
the following statement in writing, reference being had to the accompanying Sheet
of Drawings, and to the letters and figures marked thereon, that is to say :-
Corrugated sheet metal as heretofore constructed and manufactured for roofing
purposes has been found to have a defect at the overlapping edge joints of the plates
in the direction of the corrugations from the ridge to the eaves or "rhones" of the
roof, where they are simply constructed in the same manner as the corrugations in
the middle portion of the plate having the edge corrugation of the one plate laid or
lapped over the other, so that in low or obtuse angled roofs and in heavy or
boisterous rainy weather the water flows or is blown in through the joint.
The object or purposes of this invention is the improved construction of these edge
jointing corrugations of corrugated sheet iron or other metal, so as to prevent the
passage of water through them and into the inside of the roof and building.
The nature and novelty of the improvements consist in making and forming the
outer or adjacent and raised corrugations at each edge of the plate, which lay and lap
over each other to form the joint, much higher than the other corrugations in the
body of the plate, but otherwise shaped so as to fit close over each other at the
alternate edges in the same manner as the ordinary low corrugations have heretofore
been fitted, in order to make close joints, but much higher in the ridges. These high
edge ridges need not necessarily however be of the same shape as the other corruga-
tions in the body of the plate, which might be made lower than usual in consequence
of having the plate strengthened by these new high ridges at the edges, and so while
being equally strong might be made with less sheet metal.
And in order that my said invention and the manner of performing or carrying
the same into effect or practice may be properly understood, I have hereunto appended
an explanatory Sheet of Drawings, in which the same reference letters are used to
indicate corresponding parts in all the Figures where shown. Figures 1 and 2 show
a front elevation and a perspective plan view respectively of two corrugated sheet metal
plates A A', as suitable for a roof, in which the ridged edge joint parts a a² according
to my improvements are made much higher than the ridges of the other corruga-
tions A" in the body A A' of the plates, so as to overlap each other at a³ and form
a close water-tight joint. In this modification the high ridge parts a a¹ are shown as
formed of the same shape as the other corrugations A" in the body of the plate, only
the upper one a is a little larger than the under one a¹. Figures 3 and 4 show
corresponding views to Figures 1 and 2, except, that the new high ridged joint
parts a a, are made of a slightly flat shape on the top and angled shape on the sides,

page_text: but otherwise the same as in Figures 1 and 2. And Figures 5 and 6 show
corresponding views to Figures 1 and 2 and 3 and 4 respectively, except that the
new high ridged joint parts a a', on each plate are slightly modified, in only having
the wider ridge part a¹ of the one plate single and vertical under the top ridge part
of the other overlapping plate.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed, I declare that what I
claim is :-
The constructing of corrugated sheet metal for roofing and such like purposes with
the outer or adjacent edges of the plates which overlap each other, higher or longer
in the ridges than the other corrugations in the body parts of the plates, so as to fit
close over each other and form a watertight joint, substantially as herein described, in
reference to and shown in the accompanying Drawings.
Dated this 92-d do of Anril 1889
W. R. M. THOMSON & Co.,
96, Buchanan Street, Glasgow,
Agents.

page_text: Date of Application, 24th July, 1888
Complete Specification Left, 23rd Apr., 1889
Complete Specification Accepted, 25th May. 1889
Improvements in the Construction of Corrugated Sheet Metal for
Roofing and such like Purposes.
I, WILLIAM HENRI LUTHER, of Petershill Road, Glasgow, Lanarkshire, Manufacturer,
do hereby declare the nature of my invention to be as follows:-
Corrugated sheet metal as heretofore constructed and manufactured for roofing
purposes has been found to have a defect at the overlapping edge joints of the
plates in the direction of the corrugations from.the ridge to the eaves or
"rhones"
of the roof, where they are simply constructed in the same manner as the corru-
gations in the middle portion of the plate having the edge corrugation of
the one plate laid or lapped over the other, so that in low or obtuse angled roofs
and in heavy or boisterous rainy weather the water flows or is blown in through
the joint.
The object or purpose of this Invention is the improved construction of these
edge jointing corrugations of corrugated sheet iron or other metal, so as to
prevent the passage of water through them and into the inside of the roof and
building.
The nature and novelty of the improvements consist in making and forming the
outer or adjacent and raised corrugations at each edge of the plate, which lay and
lap over each other to form the joint, much higher than the other corrugations
in the body of the plate, but otherwise shaped so as to fit close over each other
at the alternate edges in the same manner as the ordinary low corrugations have
heretofore been fitted, in order to make close joints, but much higher in the ridges.
These high edge ridges need not necessarily however be of the same shape as the
other corrugations in the body of the plate, which might be made lower than usual
in consequence of having the plate strengthened by these new high ridges at the
edges, and so while being equally strong might be made with less sheet metal.
Dated this 24th day of Inle 1888

page_text: Roofing and such like Purposes.
I, WILLIAM HENRI LUTHER, of Petershill Road, Glasgow, Lanarkshire, Manu-
facturer, do hereby declare the nature of my said invention and in what manner
the same is to be performed to be particularly described and ascertained in and by
the following statement in writing, reference being had to the accompanying Sheet
of Drawings, and to the letters and figures marked thereon, that is to say :-
Corrugated sheet metal as heretofore constructed and manufactured for roofing
purposes has been found to have a defect at the overlapping edge joints of the plates
in the direction of the corrugations from the ridge to the eaves or "rhones" of the
roof, where they are simply constructed in the same manner as the corrugations in
the middle portion of the plate having the edge corrugation of the one plate laid or
lapped over the other, so that in low or obtuse angled roofs and in heavy or
boisterous rainy weather the water flows or is blown in through the joint.
The object or purposes of this invention is the improved construction of these edge
jointing corrugations of corrugated sheet iron or other metal, so as to prevent the
passage of water through them and into the inside of the roof and building.
The nature and novelty of the improvements consist in making and forming the
outer or adjacent and raised corrugations at each edge of the plate, which lay and lap
over each other to form the joint, much higher than the other corrugations in the
body of the plate, but otherwise shaped so as to fit close over each other at the
alternate edges in the same manner as the ordinary low corrugations have heretofore
been fitted, in order to make close joints, but much higher in the ridges. These high
edge ridges need not necessarily however be of the same shape as the other corruga-
tions in the body of the plate, which might be made lower than usual in consequence
of having the plate strengthened by these new high ridges at the edges, and so while
being equally strong might be made with less sheet metal.
And in order that my said invention and the manner of performing or carrying
the same into effect or practice may be properly understood, I have hereunto appended
an explanatory Sheet of Drawings, in which the same reference letters are used to
indicate corresponding parts in all the Figures where shown. Figures 1 and 2 show
a front elevation and a perspective plan view respectively of two corrugated sheet metal
plates A A', as suitable for a roof, in which the ridged edge joint parts a a' according
to my improvements are made much higher than the ridges of the other corruga-
tions A" in the body A A' of the plates, so as to overlap each other at a² and form
a close water-tight joint. In this modification the high ridge parts a a¹ are shown as
formed of the same shape as the other corrugations A" in the body of the plate, only
the upper one a is a little larger than the under one a¹. Figures 3 and 4 show
corresponding views to Figures 1 and 2, except that the new high ridged joint
parts & a, are made of a slightly flat shape on the top and angled shape on the sides,

page_text: but otherwise the same as in Figures 1 and 2. And Figures 5 and 6 show
corresponding views to Figures 1 and 2 and 3 and 4 respectively, except that the
new high ridged joint parts a a', on each plate are slightly modified, in only having
the wider ridge part a¹ of the one plate single and vertical under the top ridge part
of the other overlapping plate.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed, I declare that what I
claim is :-
.
The constructing of corrugated sheet metal for roofing and such like purposes with
the outer or adjacent edges of the plates which overlap each other, higher or longer
in the ridges than the other corrugations in the body parts of the plates, so as to fit
close over each other and form a watertight joint, substantially as herein described, in
reference to and shown in the accompanying Drawings.
Dated this 23rd day of April 1889.
W. R. M. THOMSON & Co.,
96, Buchanan Street, Glasgow,
Agents.