IMPROVE- MENTS IN METALLIC STRIP-BLANKS FOR BARBED FENCING, AND FENCE RODS OR STRIPS MADE THEREFROM دو BAR
Year: 1883

page_text: LETTERS PATENT to Thomas Valentine Allis, of the City and State of New
York United States of America, Manufacturer for an Invention of "IMPROVE-
MENTS IN METALLIC STRIP-BLANKS FOR BARBED FENCING, AND
FENCE RODS OR STRIPS MADE THEREFROM
دو
BARRED
COMPLETE SPECIFICATION filed by the said Thomas Valentine Allis at
the Office of the Commissioners of Patents on the 27th February 1883.
THOMAS VALENTINE ALLIS, of the City and State of New York, United States
of America, Manufacturer, "IMPROVEMENTS IN METALLIC STRIP-BLANKS FOR
BARBED FENCING, AND BARBED FENCE RODS OR STRIPS MADE THEREFROM."
This invention relates to an improved construction or manufacture of ribbed
metallic strip-blanks for barbed fencing and barbed fencing rods or strips made
therefrom.
The Improvement consists in forming metallic strips of flattened or approximately
flattened, or elliptical form, in cross section (preferably elliptical) having longitudinal
ribs, along one or both sides, at certain determined distances apart from each other,
such ribs being narrower than the strips, and usually extending along the centre of
the flat or oval sides of the strips: and forming the fence strip or rod therefrom, as
hereinafter more particularly specified.
These strips are generally about one quarter of an inch in width; and the ribs
about one third the width of the strip, and about an inch in length, and generally
from three to five inches apart. The size and width of the strips and ribs, may
however be varied from that above mentioned, if desired.
In the accompanying drawing
1
Figure 1. is a top view of my improved ribbed metallic strip-blank.
Figure 2. is a side elevation of the same.
Figure 3. is a cross section of the same, through one of the ribs.
Figure 4. is a side elevation of the strip, showing the ribs severed at each end.
Figure 5. is a top view of the barbed strip, after the ends of the ribs have been
bent outward, and the barbs formed.
Figure 6. is a side view of the same when twisted and completed.
Figure 7 is a view of a pair of rolls, by which the ribbed strips may be formed.

page_text: The fattened or elliptical strip A, having longitudinal ribs B. along one or both
of its sides at certain determined distances apart from each other, constitutes the
ribbed strip of my invention.
The ribs B. usually taper toward each end on their sides and top surface, one or
both, for about one third of their length, so that their ends, when severed from the
strip and bent away therefrom, will be somewhat pointed.
These strips may be forged, or made by any suitable mechanism, but are most
conveniently and cheaply made by the use of rolls, a pair of which, suitable for
such purposes, are shown in Figure 7
The ribbed strips or blanks A. may be flat, or substantially so, except at the ribbed
portion, but are preferably of elliptical form or outline in cross section; as the
passes or grooves 1. 1. in the rolls D. D', to form ane lliptical strip, will be deeper
at their centres, and the strips or blanks can be readily formed, with such rolls,
from round wire, as the wire will naturally, from the shape of the passes or grooves
in the rolls, keep a central position in the passes, and a more uniform ribbed strip
will be produced.
The wire used should be of a diameter somewhat greater than the greatest
vertical depth of the passes, so as to furnish surplus metal to form the edges of the
strip, and the elevated or projecting ribs thereon.
To form the ribs B. upon the surface or surfaces of the strip A, recesses C.
corresponding in length, width, depth and form with the ribs desired, are cut in
one roll, preferably the lower one D¹, at the proper or determined distances from
each other. The blanks will thus be delivered, from the rolls D. D¹., in a
continuous strip of the prescribed form, having the ribs B. on the side or sides
thereof, and integral or solid therewith.
"
The ribbed strip A. having been thus formed, the ends, one or both, of the ribs,
are sheared or cut by any convenient mechanism, from along the sides of the strips,
a suitable distance for the length of the barbs, as shown at a. Fig. 4. usually
about one third the length of the rib; and the cut portions or ends of the ribs are
then bent, as shown at b. Fig. 5, thus producing a fence strip with barbs projecting
therefrom.
The ends of these ribs are preferably bent sideways or laterally with respect to
the flattened surface of the strip, rather than upward, or at right angles thereto; as
when so bent, that is laterally or sideways, there is less danger of weakening or
breaking the fibre of the metal of the rib or barb, and thus injuring the fence rod
or strip; and the binding of the ribs can also be more quickly performed, as the
tool or former against which they are bent, and which gives the required curves at
the base of the barb can be more conveniently applied and used, and the ends of
the ribs more easily and rapidly bent, than if bent vertically upward. The ends of
the ribs B. are preferably-bent in opposite directions so as to form barbs on each
side of the strip; but they may be bent outward, only in one direction, instead of
in opposite directions, if for any reason desired.
After the ends of the ribs have been so bent to form the desired barbs, the strips
may be twisted as shown in Figure 6: and the rod is then ready for use.
F
A barbed-fence rod, of the shape and character described, can also be made from
metallic strips having continuous projecting ribs on one or both their surfaces.
When the ribs are continuous, the barbs are made by first cutting the ribs, at
proper places for the required lengths to form the barbs, from their top down to the
strip, then severing the ribs, as before described, along the strip and then bending
the severed portions. outward. The remaining portions of the ribs, not converted
into barbs, can be left on the strip, or sheared off.
A flattened or approximately flattened fence strip is also more effectual as. a
fence, than when the rod is round, as it is more easily noticed by animals and
therefore more regarded by them.
Having thus described my said invention and the manner of performing the
same I wish it understood that I claim
First The ribbed metallic strip-blank A, for fencing, of flattened or elliptical form

page_text: in cross section, with ribs B. along the surface or surfaces of the same, made at
determined distances from each other, substantially as described.
Second A barbed rod for fencing, of flattened or elliptical form in cross section,
having the barbs thereon made from ribs solid with the strip, by severing from the
strip portions of such ribs, and bending the severed portion into the form of
projecting barbs, substantially as described.
Third The improvement in the manufacture of ribbed metallic strips for barbed
fencing, consisting in rolling the same in flattened or approximately flattened or
elliptical passes or grooves, in the bottom of one or both of which are recesses, of
less breadth in cross section than the breadth of the passes or grooves which form
the strips, for forming on the surface or surfaces of the strips, and projecting
therefrom, ribs at determined distances apart or from each other, substantially as,
and for the purposes, set forth.
In Witness whereof I, the said Thomas Valentine Allis, have hereunto set my
hand and seal this sixth day of January in the year of our Lord One
thousand eight hundred and eighty three.
THOMAS VALENTINE ALLIS (L.B.)