IMPROVEMENTS IN THE MANUFACTURE OF METAL OPEN-WORK
Year: 1884

page_text: I WILLIAM ROBERT LAKE, of the firm of Haseltine, Lake & Co, Patent
Agents, Southampton Buildings in the County of Middlesex do hereby declare
the nature of said invention for "IMPROVEMENTS IN THE MANUFACTURE OF METAL
OPEN-WORK" to be as follows:-
This invention relates to metallic open work or screening.
In the manufacture of the improved open work I take a blank piece of sheet
metal of the required size and thickness and form therein a series of cuts, the cuts
in one line of cuts being opposite to the spaces between the cuts of the adjoining
lines. These cuts are made of the required lengths to form the proper sized'
meshes.
After the metallic sheet is cut as above described it is stretched in a line
transversely to the length of the cuts thus forming meshes. The act of stretching
causes the metal forming the boundaries of each mesh to take an oblique position
amounting nearly to a perpendicular line, thus presenting the cut edges of the
metal to the surface of the screening.
Between the ends of the cuts are spaces of metal uncut which hold the strands
of meshes together. The size of the mesh depends upon the length of the cut, the
longer the cut, the coarser the mesh, and the shorter the cut, the finer the mesh.
The relative arrangement or position and the form of the slits, can be varied so
as to produce a wide range of patterns ornamental or otherwise, depending upon
the use to which the screening is to be put.
HASELTINE, LAKE & Co.,
For the Applicant.

page_text: I, WILLIAM ROBERT LAKE, of the firm of Haseltine, Lake & Co, Patent
Agents, Southampton Buildings, in the County of Middlesex do hereby declare
the nature of my invention for "IMPROVEMENTS IN THE MANUFACTURE OF METAL
OPEN-WORK " 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 metallic open work or screening and comprises the
novel construction hereinafter described.
In the accompanying drawing
Figure 1 is a view of the sheet metal having the cuts formed therein, and
Figure 2 is a view of the same sheet stretched to form the meshes.
In the manufacture of the improved open work I take a blank piece of sheet
metal of the required size and thickness and form therein a series of cuts as shown
in Figure 1, the cuts in one line of cuts, being opposite to the spaces between the
cuts of the adjoining line or lines.
After the metallic sheet is cut as above described it is stretched in a line
transversely to the length of the cuts thus forming meshes as shown in figure 2.
The act of stretching causes the metal forming the boundaries of each mesh to take
an oblique position amounting nearly to a perpendicular line thus presenting the
cut edges of the metal to the surface of the screening.
.
Between the ends of the cuts are spaces of metal uncut which hold the meshes
together.
The size of the mesh depends upon the length of the cut, the longer the cut, the
coarser the inesh, and the shorter the cut the finer the mesh.
I wish it understood that I do not restrict myself to the precise details
herein before described, for the same can be varied without essential alteration to
the character of the article itself; the relative arrangements or positions and the
form of the slits, for instance, can be varied so as to produce a wide range of
patterns, ornamental or otherwise, according to the use to which the screening is
to be put.
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
☐ Open work or screening formed of metal cut and stretched substantially as
herein before set forth.