IMPROVEMENTS IN LAT
Year: 1885

page_text: I, ALEXANDER MELVILLE CLARK, of the firm of A. M. and Wm. Clark, of
53, Chancery Lane, in the County of Middlesex, Fellow of the Institute of Patent
Agents, do hereby declare the nature of the said Invention for "IMPROVEMENTS
IN LATHING a communication to me from abroad by James Morrison junior,
of the City, County and State of New York, United States of America, Gentleman,
to be as follows:-
"
This Invention relates to an improved web of lath and it consists principally in
attaching lath to a flexible backing to facilitate the application of the lath to the
joists of the building and also to cause the plaster to key closely to the lath thereby
effecting a saving in mortar and producing a better and firmer wall.
The backing is by preference flexible so that the lath may be rolled into bundles
to facilitate handling, and is by preference composed of tarred paper or felt.
The lathsticks are secured across the backing parallel with each other, and are
by preference secured to the backing by means of tar or other adhersive material.
The edges of the lathsticks are beveled so as to form a kind of dovetail for the
key" of the plaster thus causing the plaster to adhere to the lath with great
firmness.
The lath being attached to the backing can be applied to the joists, and nailed
with great, rapidity, and the backing besides serving to prevent the plaster when
applied, from passing back of the lath, also serves as a good "deafening" for the
wall and it causes the plaster to key both with the upper and lower lath, so that
the wall is thus made very firm with the minimum quantity of plaster.

page_text: COMPLETE SPECIFICATION.
I, ALEXANDER MELVILLE CLARK, of the firm of A. M. and Wm. Clark, of
53, Chancery Lane, in the County of Middlesex, Fellow of the Institute of Patent
Agents, do hereby declare the nature of the said Invention for IMPROVEMENTS IN
LATHING (a communication to me from abroad by James Morrison Junior of the
City, County and State of New York, United States of America, Gentleman) 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 an improved web of lath and it cousists principally in
attaching lath to a flexible backing to facilitate the application of the lath to the
joists of the building and also to cause the plaster to key closely to the lath thereby
effecting a saving in mortar and producing a better and firmer wall.
Reference being made to the accompanying drawings in which
Figure 1 is a front elevation of my invention part of the lath being covered with
plaster, and Figure 2 is a sectional elevation of the same taken on the line x x of
figure 1.
A. represents the backing and B the lath. The backing A is by preference
flexible so that the lath may be rolled into bundles to facilitate handling and the
backing A is by preference composed of tarred paper or felt.
The lathsticks B are secured across the backing A parallel with each other and
are by preference secured to the backing by means of tar or other adhesive
material. The edges of the lath sticks B are beveled as shown at a so as to form a
kind of dovetail for the key of the plaster C as clearly shown in Figure 2 thus
causing the plaster to adhere to the lath with great firmness.
The lath being attached to the backing A can be applied to the joists, and nailed
with great rapidity, and the backing besides serving to prevent the plaster when
applied, from passing back of the lath, also serves as a good "deafening" for the
wall, and it causes the plaster to key both with the upper and the lower lath, as
shown in figure 2, so that the wall is thus made very firm with the minimum
quantity of plaster.
Having now particularly described and ascertained the nature of the said
invention and in what manner the same is to be performed I declare that what
I claim is
.1st As a new article of manufacture, a web of lath composed of the backing A,
and lath sticks B, secured to the backing substantially as described.
2nd The lathsticks B secured to the backing A, and beveled at their edges
substantially as and for the purposes set forth.
Deted this 27th day of March 1885.