Year: 1889

page_text: I, PAUL SIMON, gentleman of Sulzbach near Saarbrücken, Country of the Rhine in
the state of Prussia, German Empire 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 :-
The processes known up to the present for rolling plate or looking glass between
plain rollers has the disadvantage that the glass will not pass through between the
rollers at the proper consistency. On being made softer it passes through but
retains its rough surface just as in the case of cast glass.
The soft glass on being rolled rises into waves on having passed the line of
pressure of the roller, because it is too soft to push its weight further and thus rolled
glass has always a more or less waved and rough surface.
In order to obtain the certain passing of the glass plate through the rollers I use.
rollers with their surface waved; these waves running parallel to the axis of the said
rollers and the wave of the one roller, when they are in motion, passes in the hollow
of the other, so that the space between the two rollers remains constant and the
plate will not receive varying thicknesses.
In order to make my invention more clear I refer to the accompanying drawings
in which similar letters denote similar parts throughout the several views.
The glass is pressed between one or more pairs of these waved rollers, (fig. 1).
As will be seen from the drawing, these rollers are so arranged that the space between
them is always the same. They are driven by cog wheels zz of course both at
the same speed. The pairs of rollers can of course be placed horizontally or
slanting.
If several pairs of rollers are used lying one over the other, they may have a
different speed, that is to say the different pairs, but of course the two rollers of a
pair must have the same speed. Plain rollers may also be used between them for
transporting the glass plate.
The larger and smoother the roller waves, so much better will be their working.
It is further possible to warm these roliers or to cover them with oil to prevent
their stopping. The rolled plates are then worked in the generally known manner

page_text: viz. pressed between two plates and then taken up and hung up or laid on slanting
plates or endless bands (as in the case of iron plates) or laid on trollies running
under the rollers to be transported to the annealing furnace where the glass will be
treated in the same manner as blown plate glass rolls viz. warmed until it has again
become soft in order that it may again receive its glance and smoothness.
If one of the waved or plain rollers has hollow punches on its surface, perforated
glass for ventilating purposes may be manufactured (fig. 3).
These waved rollers can be used with particular advantage in the case of the flat
ovens, which are now everywhere coming into use, as the glass can be continually
passed from the oven to the rollers to be worked. With regard to the dimensions of
the rollers the most general are about 1'9" diameter and about 7 feet long and the
waves may be deep or shallow.
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:
1.) The manufacture of plate and looking glasses by means of two or more waved
rollers in the manner and for the purpose, substantially as described.
2.) In the above process: the addition of pins or punches for manufacturing
perforated glass in the manner and for the purpose, substantially as described.
Dated Berlin, this 18th day of April 1889.
Dated Derim, this isɩh day .01 April 2007...
PAUL SIMON.
By A. Kuhnt & R. Deissler,
38, Alexander Strasse, Berlin C., Germany,
Agents for Applicant.