AN IMPROVED ROOFING TILE
Year: 1884

page_text: I, JOHN GEORGE STADLER, tilemaker, of Zollikofen in Switzerland do hereby
declare the nature of said invention for "AN IMPROVED ROOFING TILE" to be as
follows:-
This invention relates to improved roofing tiles which are designed to lie very
closely and are made from a continuous clay band, issuing from the mouthpiece of
a brick or tile making machine such mouthpiece being provided with a thickening
or rib at the back. The cutting table that receives the continuous band of clay is
so arranged, that it can either remain stationary or can be moved readily by hand
to the tilting table, and for the purpose of cutting off part of the rib is provided
with the necessary cutting wires.
In the drawings Figs I to III represent the improved tile and Fig IV shows its
application.
The tile has at its upper surface three
length and three higher parts d e and f.
grooves a b c extending throughout its
A smaller rib or elevation g serves to
form the lap. The central rib e terminates at the point h.
The lower surface of the tile is formed with two wide ribs 1, l, one smaller
groove n a larger groove m, corresponding to the part e of the upper surface of the
tile; and two lugs or noses i, i. The two sides of the tile are parallel. The small
rib or fillet n (Fig III) enters the groove a of an adjoining tile as shewn in Fig IV
in such a manner, that the grooved part of the upper tile fits over the raised pirt g
of the lower tile causing the tile to make a good joint sideways.
The tiles of one
row overlap the upper parts of those in the next lower row. as illustrated in
figure IV, two upper tiles overlapping one lower tile in such a manner that the
part k extends to the side ribs d and f of the upper tiles which are completely
closed by g and n: At the same time the grooves m m of the upper tiles overlap
and cover the ribs f and d of the lower tiles, which is an important feature.
Any rain water conveyed by the two upper tiles runs into the two grooves b
and c of the lower tiles. Since the two upper tiles drop into the lower at h, only
a narrow edge of the upper tiles is exposed, and therefore even a strong storm will
not lift these tiles off the roof. The ribbed form enables these tiles to be manu-
factured in an ordinary tile making machine for which only a suitable mouthpiece
has to be provided.
The improved tile represents in section with the exception of the two side ribs
an uniform thickness of section of clay band bent to convenient shape.
Did this 10th
A11001
W. LLOYD WISE,
Per F. J. Brougham,
Applicant's Agent,

page_text: I, JOHN GEORGE STADLER, Tilemaker, of Zollikofen in Switzerland, do hereby
23 and in
declare the nature of my invention for "AN IMPROVED ROOFING TILE
what manner the same is to be performed, to be particularly described and
ascertained in and by the following statement:-
This invention relates to improved roofing tiles which are designed to fit closely
and are made from a continuous clay band issuing from the mouthpiece of a brick
or tile making machine, such mouthpiece being provided with a thickening. or rib
at the back. The cutting table that receives the continuous band of clay is so
arranged that it can either remain stationary or can be moved readily by hand to
the tilting table and for the purpose of cutting off part of the rib is provided with
the necessary cutting wires.
In the drawings Figs I to III represent the improved tile and Fig IV shows its
application,
The tile has at its upper surface three grooves-a-b.-c-extending throughout its
length and three higher parts d. e. and f. A smaller rib or elevation g serves to
form the lap. The central rib e terminates at or in the surface h.
The lower surface of the tile is formed with two wide ribs l. 1 one smaller
groove n a larger groove m corresponding to the part e of the upper surface of the
tile and two lugs noses or projections i. i formed upon the ribs l. l or one lug only
may be employed arranged centrally if desired. The two sides of the tile are
parallel. The small rib or fillet n (Fig II) enters the groove a of an adjoining tile
as shown in Fig IV in such a manner that the grooved or raised part m, c, of an
upper tile (say tile 3) fits over the raised parts f. d or joint of lower or underlying
tiles (1 and 2) whereby their connection is tightly secured a good joint sideways
being thus effected.
The tiles of one row overlap the upper parts of those in the next lower row as
illustrated in Fig IV two upper tiles overlapping one lower tile in such a manner
that the parts or surfaces h extending between the side ribs d and f of the
underlying tiles, are firmly covered by the parts g, a, d, f, n, of the upper tiles.
At the same time the recesses m. m of the upper tiles overlap and firmly grasp the
connected ribs f and d of the lower tiles which is a characteristic and important
feature of my invention.
Any rain water falling upon the upper tiles runs into the grooves or recesses b
and c of underlying tiles. Since the upper tiles rest upon the Hat surfaces h of the
underlying ones only a comparatively narrow edge of the upper tiles is exposed to
the action of wind or storm consequently the tiles cannot be removed or lifted
thereby.
The ribbed form of the tiles hereinbefore described, enables them to be manu-
factured directly in an ordinary continuous tile making machine, for which only a
suitable mouth piece has to be provided.
One portion of the raised or bulged part e of a tile is cut away, as shown, to
produce the flat surface h by means of a wire on the cutting table of the machine
the material becoming consequently thinner at this part, as indicated in Figs II
and IIL. If, however, in order to obtain greater strength, it is desired to avoid
having one portion of this part of the tile thinner than the rest, then, instead of
outting away a portion of the bulge e as above, it may be pressed down into the
groove m below until its upper surface is level with the surface of the grooves b
and c, thus producing the desired flat surface h. This may be effected by any
convenient means such for example as plates or dies and blocks, which may be

page_text: arranged upon the cutting table of the machine. The slightly modified form of tile
thus produced is represented in Figs V to VIII from which it will be seen that it
is substantially the same as the tile hereinbefore described with reference to Figs I
to IV excepting that the groove or recess m is not continuous throughout its
length but merges into the lower surface of the ribs & whilst the upper surface /
merges into or is level with those of the grooves b. o.
The mode of application of the said modified form of tile is the same as with that
of the tile.first berein described.
It will be observed that the tiles hereinabove described resemble in many respects
the construction of tile described and illustrated in the specification of a former
application for Letters Patent No 902 dated 7 January 1884 by myself and Emil
Schmid and I would have it understood that I do not claim as of my present
invention the form of tile described and shewn in the said former Specification.
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed, I declare that what
I claim is
Forming and arranging the tiles as hereinabove described and illustrated in the
annexed drawing so that not only do the parts m. e of one tile serve to cover or
overlap part of the joint between two juxtaposed tiles in an adjacent lower row
whilst the surface h serves to support the ribs l. 1. of adjacent higher tiles, but also
the part e serves as a guard opposite the end of the joint of two juxtaposed tiles in
the said higher row, all substantially as described and shewn for the purposes set
forth.