Improvements in the Construction of Wall Bonds or Bricks for Preventing Damp Walls.
Year: 1886

page_text: Date of Application, 13th Mar., 1886.
Complete Left, 11th Dec., 1886.
Complete Accepted, 21st Jan., 1887.
Improvements in the Construction of Wall Bonds or Bricks for
Preventing Damp Walls.
I, JAMES DYSON, of Horbury, near Wakefield, in the County of York, Joiner
do hereby declare the nature of my invention for the above improvements to be as
follows:-
Wall bonds as heretofore made, consist of brick and iron, but their construction
does not adequately answer the desired purpose of preventing moisture spreading to
the inside walls, and disfiguring the outer wall.
I propose to remedy these defects by constructing a brick made in two parts,
which on working will be dovetailed together in the outer part of the wall. The part
for the outer wall to bo burnt like an ordinary brick, the other part which will be in
the wall cavity to be glazed, dished in centre, grooved down and underneath, the
sides; when complete measuring 11 inches long, 44 inches wide, and 3 inches thick.
By this method of construction all water percolating through the outer wall or from
any other part falling into this glazed groove will at once be carried down the cavity
into the earth, thus making the walls both inside and outside thoroughly damp proof,
and also acting as a bond to the two walls.
A

page_text: COMPLETE SPECIFICATION.
Improvements in the Construction of Wall Bonds or Bricks for
Preventing Damp Walls.
I, JAMES DYSON of Horbury near Wakefield in the County of York Joiner 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:-
Wall Bonds as heretofore made consist of brick and iron, but their construction
does not adequately answer the desired purpose of preventing moisture spreading to
the inside walls of buildings and disfiguring the outer wall.
I remedy these defects by constructing a brick in two parts. One part marked D
in the drawing hereunto annexed; to be prepared like an ordinary brick, and the other
part marked A in the said drawing to consist of a glazed brick, which is dished in
the centre, grooved down the sides and underneath portion as represented by B.
These two parts are constructed so as to dovetail into each other. as shown in the
figures marked C, and then forms a complete wall bond, measuring 11 inches long,
4 inches wide and 3 inches in thickness, or any other dimensions that may seem
more suitable. In working it is built into the wall so that the surface of the brick as
at D is exposed; and the other part is within the cavity of the wall.
By this method of constructing wall bonds, all water percolating through the outer
wall or from any other sources, will collect on the glazed portion, and by means of the
grooves will at once be passed down the cavity into the earth, thus making the walls
Both inside and outside thoroughly damp proof, also acting as a binder to the
two walls.
Fig. 1 of the drawing is a side view of the wall bond, Fig. 2 is a plan of the
underneath surface and Fig. 3 is a plan of the top surface.
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 :-
1. The method of constructing wall bonds in the two parts of glazed and ordinary
brick in the manner as above explained.