Improvements in Metallic Sheathing or Coverings for Columns and other Structural Parts of Buildings.
Year: 1893

page_text: Date of Application, 21st June, 1893
Complete Specification Left, 5th Mar., 1894-Accepted, 7th Apr., 1894
PROVISIONAL SPECIFICATION.
Improvements in Metallic Sheathing or Coverings for Columns and
other Structural Parts of Buildings.
I, THOMAS LEWIS BANKS, of Holmrook, Cumberland, F.R.I.B.A. do hereby
declare the nature of this invention to be as follows:-
Columns and other structural parts of buildings, whether of wood or metal, are
frequently covered with metal lathing for the reception of a plaster coating, such
as expanded metal, for which purpose there are fixed upon the surface of the
column, or other structure, strips of wood, to which the metal lathing is then
secured for receiving a coating of plaster. This construction has the disadvantages
firstly of the metal lathing being in direct contact with the wood strips, and
secondly that considerable labour is expended firstly in fixing the wood strips on
the columns &c. and secondly in fixing the metal sheathing on the wood strips.
According to my present invention I dispense with the use of such wood strips
and also greatly lessen the labour of fixing the said coverings on the columns &c.
For this purpose I fix upon the surface of the expanded metal or metal laching
which is to come next the column &c. longitudinal metal distance pieces,
projecting to an extent from the surface of the lathing corresponding to the
distance which the lathing is required to be away from the surface of the
column &c.
The lathing thus prepared, then simply requires to be laid upon the surface to
be covered, so that the projecting distance pieces bear against the said surface,
the metal lathing being then secured in this position by any suitable means, such
as, in the case of columns, by merely drawing the edges of the lathing close
together and securing them in that position.
For the said distance pieces I prefer to employ strips of thin metal bent to form
a cross section of U or V shape with flanges at the edges, and I secure such strips
with their flanged side against the lathing, the flanges being slit so that portions
thereof can be bent round the meshes of the lathing in order to securely fix the
strips thereto.
This construction of the distance pieces has the advantage of affording a certain
amount of elasticity so that when the lathing is laid round the column with a
certain amount of pressure, the distance pieces will be somewhat compressed, so
that on releasing the lathing from the external pressure after fixing it, the elastic
grip exercised by the distance pieces upon the column will hold the lathing
securely in position.
Dated this 21st day of June 1893.
ABEL & IMRAY,
Agents for the Applicant.
COMPLETE SPECIFICATION.
Improvements in Metallic Sheathing or Coverings for Columns and
other Structural Parts of Buildings.
I, THOMAS LEWIS BANKS, of Holmrook, Cumberland, F.R.I.B.A., 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 :-
Columns, walls and other structural parts of buildings whether of wood or

page_text: metal, are frequently covered with metal lathing for the reception of a plaster
coating, for which purpose there are fixed upon the surface of the column, or
other structure, strips of wood, to which the metal lathing is then secured for
receiving a coating of plaster. This construction has the disadvantages firstly of
the metal lathing being in direct contact with the wood strips, and secondly that
considerable labour is expended both in fixing the wood strips on the columns &c.
and in fixing the metal sheathing on the wood strips.
According to my present invention I dispense with the use of such wood strips
and also greatly lessen the labour of fixing the said coverings on the columns &c.
For this purpose I fix upon the surface of the metal lathing which is to come next
the column &c. longitudinal metal distance pieces projecting to an extent from the
surface of the lathing corresponding to the distance which the lathing is required
to be away from the surface of the column &c. The lathing thus prepared, then
simply requires to be laid upon the surface to be covered, so that the projecting
distance pieces bear against the said surface, the metal lathing being then secured
in this position by any suitable means, such as, in the case of columns, by merely
drawing the edges of the lathing close together and securing them in that
position.
For the said distance pieces I prefer to employ strips of thin metal bent to form
a cross section of U, V or other shape with flanges at the edges, and I secure such
strips with their flanged side against the lathing, the flanges being slit so that
portions thereof can be bent round the meshes of the lathing in order to securely
fix the strips thereto. This construction of the distance pieces has the advantage
of affording a certain amount of elasticity so that when the lathing is laid round
the column with a certain amount of pressure, the distance pieces will be somewhat
compressed, so that on releasing the lathing from the external pressure after fixing
it, the elastic grip exercised by the distance pieces upon the column will hold the
lathing securely in position. When employing this construction for covering flat
walls, the said flanged metal distance pieces are more conveniently fixed by nails
or screws to the wall in the first instance, and after the metal lathing has been
laid upon them, slit portions of the flanges are bent round the meshes of the lathing
so as to secure it in position.
Fig. 1 of the accompanying drawings shows part of a column covered with
metal lathing according to my above described invention. Fig. 2 shews a cross
section. Fig. 3 shews the metal lathing A prepared with the metal distance
pieces B secured thereto previous to its application to the column. When thus
prepared it is laid round the column as at Figs. 1 and 2, and the meeting
edges are drawn tight and secured by lacing wire or other fastenings, the
elastic nature of the distance pieces enabling them to be slightly compressed
80 as to insure a perfectly tight fixture of the lathing, upon which is then
laid the plaster covering C. Thus the metal lathing with its plaster covering
will coustitute a fire proof sheathing to the column secured at a distance from its
surface and thus affording a very effectual protection to the latter against fire.
The distance pieces B may either be of the V form shewn at Fig. 4, or of the
U form shewn at Fig. 5 or of the Z form shewn at Fig. 6, the flanges 6 being
slit in any convenient manner as at band bent round the metal lathing. This
is by preference formed of interlaced twisted metal strips. Fig. 7 shews my
invention applied to the fixing of metal lathing to a wall; the distance pieces BB
are in this case fixed to the wall by nails in the first instance, and the lathing A is
then secured to them in the above described manner for receiving the plaster
covering C.
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 1
claim is :-
1. In metallic sheathing or covering for columns, walls and other structural
in combination with metal lathing of metal distance
Darts of buildings the 152

page_text: pieces secured thereto in such manner as to keep the lathing a certain distance
from the surface to which it is attached.
2. Constructing metal distance pieces such as are referred to in the preceding
claim of a V. U.Z. or other flanged section the flanges being slit for affording
i means of securing the lathing thereto, substantially as described.
Dated this 5th day of March 1894.
ABEL & IMRAY,
Agents for the Applicant.