Improvements in Roofing-tiles.
Year: 1895

page_text: Date of Application, 9th Apr., 1895-Accepted, 24th May, 1895
Improvements in Roofing-tiles.
1, AUGUST KLIENCIEN of Neu-Lagow near Lagow in the Empire of Germany,
Master Carpenter, do hereby declare the nature of this invention and in what
manner the same is to be performed, to be particularly described and ascertained
in and by the following statement:-
This invention relates to a ridged roofing tile in which by the arrangement of
grooves and tongues engaging with each other I obtain an absolutely tight joint
and provide at the same time for the ventilation of the roof.
I will now describe the invention with reference to the accompanying drawings,
in which,
Fig. 1 shows several of such tiles joined together in section on the line x-x of
Fig. 2.
Fig. 2 shows a top view of Fig. 1 and
Fig. 3 shows a view of the underside of a tile.
By the projecting studs a the tile is hung in the ordinary manner from the laths
of the roof.
At their longitudinal edges each tile overlaps the adjoining tile after the manner
of a rabbeted joint as shewn and engages with its neighbour by means of somewhat
tapering projections and grooves in such a manner that a water tight joint will be
formed. At b and c, the tiles come in intimate contact, whilst between these points
a little play is left to form a channel which serves for ventilating the roof.
In this manner I obtain a double joint.
The wind cannot drive rain, dust and snow through the joint. Any water which
may enter or may be deposited from the air will at once run off in the half round
groove d.
This does not however extend all along, but the tiles bear against each
other quite smoothly at their upper ends, so that any water which may be in the
grooves cannot be driven into the roof from below.
At their transverse joints the tiles overlap each other to a certain extent.
In order that this joint may also be tight, the upper tile engages by means of two
studs e with the longitudinal recesses in the tile below it. These recesses are
designed for conducting away the water deposited on the tile.
The longitudinal edge joints of the rows of tiles are alternated relatively to each
other, and it is important that the surface of the roof shows no uncovered joints in
this arrangement.
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
Improved roofing tiles, overlapping each other with undulated rabbet-like joints
at their longitudinal edges, said joints being characterized by the arrangement of
two projecting ridges on one tile bearing firmly against corresponding grooves or
depressions in the adjoining tile at b and c between which points of contact a
certain amount of space is left so that an absolutely tight joint is obtained at the
longitudinal edges and provision made for conducting away any water which may
be present and for ventilating the roof, whilst the joint at the transverse edges is

page_text: made secure by studs e engaging with longitudinal recesses f, as herein described
and set forth.
Dated this 4th day of April 1895
S. S. BROMHEAD,
97, Newgate Street, London, E.C., Agent for Applicant.