IMPROVEMENTS IN BARBED FENCING
Year: 1884

page_text: I, FREDERICK WILLIAM BRAMPTON of No 14 Oliver Street, Birmingham in the
County of Warwick Manufacturer do hereby declare the nature of the said invention
for "IMPROVEMENTS IN BARBED FENCING" to be as follows, that is to say:-
My Invention has for its object improvements in barbed fencing which can be
manufactured with much greater ease than that now in use and it is more effective
because the barbes aro generally sharper at their points and there is practically no
waste in its production, so that these various advantages combine to enable me to
produce it very much cheaper than has hitherto been possible.
Barbed fencing is at present produced in several ways, the most general probably
being twisted wire with short pointed pieces of wire interwoven by special
machinery at intervals along its length which requires special arrangements and
is a complicated and expensive process. Another node at present in use is to roll
a special section of flat edged strips which is afterwards cut out of the edges such
pieces as to leave pointed barbes projecting, and the strip is afterwards twisted into
a spiral, but in this case there is necessarily considerable waste in manufacture.
Now my fencing is produced as follows:-
I tako an oblong strip or riband and pass it between rolls or through a suitable
machino which produces the barbes on the top edge and also similar barbes on the
bottom edge which is done by simply making a cut in the edge of the strip which
may be done by the middle of an ordinary cutting tool and not necessarily by the
point which is of considerable importance in the manufacture as nothing like the
same repairs are necessary to the tools as would be the case if a sharp pointed tool
The same section of strip may however be barbed from the body or
centre part if so desired and probably the tensile strength of the fencing would
by this means be greater for a certain weight per foot run than in the case of the
former modification.
were used.
A triangular fencing may be formed in a similar manner with barbes raised
from each of the edges which would be a formidable kind especially if the sides
were hollowed inwardly. Or four or more ribs may be rolled upon a centre core
and each of the ribs barbed.
In each of the foregoing examples it will be seen that practically no waste is
produced in the process as the metal raised or cut becomes itself the barb.
Such fencing may when desired be shipped for Foreign Markets in plain ribands
upon spools or in coils and afterwards barbed by a small machine sent out for the
purpose.
Dated this 9th don of Sentember 1881
GEORGE BARKER,
Consulting Engineer & Patent Agent,
International Patent Office,
77, Colmore Row, Birmingham.

page_text: I FREDERICK WILLIAM BRAMPTON of N° 14 Oliver Street Birmingham in the
County of Warwick Manufacturer do hereby declare the nature of the said
invention for "IMPROVEMENTS IN BARBED FENCING" and in what manner the
same is to be performed to be particularly described and ascertained in and by
the following statement and accompanying drawing to be as follows that is to
say:
My Invention has for its object improvements in barbed fencing which can be:
manufactured with much greater case than that now in use and it is more effective
because the barbs are generally sharper at their points and there is practically no
waste in its production, so that these various advantages combine to enable me to
produce it very much cheaper than has hitherto been possible.
Barbed fencing is at present produced in several ways, the most general probably
being twisted wire with short pointed pieces of wire interwoven by special
machinery at intervals along its length which requires special arrangements, and
is a complicated and expensive process. Another mode at present in use is to roll
a special section of flat edged strips which has afterwards cut out of the edges such
pieces as to leave pointed barbs projecting and the strip is afterwards twisted, but
in this case there is necessarily considerable waste in manufacture.
In order that my invention may be better understood and carried into practice
without difficulty I have appended hereunto a sheet of drawings showing ten
figures upon which
Figure 1 is an elevation of a plain strip from which I make some of my fencing.
Figure 2 is a section of the saine.
Figure 3 is an elevation of the strip when it has passed through the process of
barbing the edges of the strip.
Figure 11 is an edge view of Fig. 3.
Figure 4 is an elevation of a strip of similar section to that shewn by Figure 1
but with the barbs produced from the body of the strip instead of the edge.
Figure 5 is an elevation of a triangular strip so barbed upon all its three angular
edges.
Figure is an elevation and Figure 7 is a section of another modification with
four edges barbed.
Barbed fencing is at present produced in several ways the most general probably
being twisted with short pointed pieces of wire interwoven by special machinery
at intervals along its length which requires special arrangement and is a complicated
and expensive process.
Another mode is to roll a special section of flat edged strips from the edge of
which is afterwards cut such pieces as to leave pointed barbs projecting. This
strip is afterwards twisted into a spiral. In this mode of manufacture there is
necessarily considerable waste in manufacture.
Now my fencing is produced as follows I take the strip shown by Figure 1.
and 2 and pass it between rolls or through a suitable machine which produces
the barbs a on the top edge and the barbs & upon the bottom edge which is done
by simply making the cut a¹ or b¹ in the edge which may be done by the middle
of an ordinary cutting tool and not necessarily by the point which is of considerable
importance in the manufacture as nothing like the same repairs are necessary to
the tools as would be the case if a sharp pointed tool were used. The same section
of strip may however be barbed from the body or centre part as shewn by Figure 4

page_text: if so desired and probably the tensile quality of the fencing would by this means
be greater for a certain weight per foot run than is the case of Figure 3 but it
would scarcely be as effective.
Figure 5 illustrates a triangular fencing which could be formed in a similar
manner to Figure 3 with the barbs c from one edge d from another edge and e from
the third edge, which would be of a formidable kind especially if the sides were
hollowed inwardly as shewn by Figure 8.
Figure 6 illustrates a fencing with four or more ribs h, k, land m each of which
may be barbed as shewn on three edges by the clevation Figure 6 viz h¹, m¹
and V.
The section with one flange shewn by Figure 9 would in some cases be cheaply
applied by turning the barbs out from each side. The double ribbed sections shewn
by Figure 10 is also easily produced from the round wire and the barbs may be
alternately bent out on each side of each rib or in one direction from one rib and
the opposite direction from the opposite rib.
In each of the foregoing examples of my improvements it will be seen that no
waste (or practically no waste) is produced in the proceess of barbing the various
sections.
Fencing of this kind may when required abroad to be rolled in ribands and be
shipped plain upon spools or in coils or balls and afterwards barbed in some cases
upon or near the spot where the fencing has to be erected but generally I prefer
finishing it in the shop ready to use. In the former case I supply small machines
to be sent out with the fencing. These machines would be worked by either
animal steam gas or other power.
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,
The improvements in barbed fencing of raising from the edge or substance of a
strip or riband or other flanged or other section of fencing a series of sharp barbs
which are produced without waste as shewn upon the drawings and substantially
as herein set forth.