IMPROVEMENTS IN THE MANUFACTURE OF ROPE
Year: 1883

page_text: LETTERS PATENT to August John Ferdinand George Telschow of
105 Mildmay Road Stoke Newington London for an Invention of
IMPROVEMENTS IN THE MANUFACTURE OF ROPE
PROVISIONAL SPECIFICATION left by the said August John Ferdinand
George Telschow at the Office of the Commissioners of Patents on the
10th December 1883.
AUGUST JOHN FERDINAND GEORGE TELSCHOW of 105 Mildmay Road, Stoke
Newington, London. IMPROVEMENTS IN THE MANUFACTURE OF ROPE
56
33
In the manufacture of ropes of hemp, or other suitable fibrous substances, it is
necessary to twist the fibres with considerable force, in order to cause compression
and consequent frictional contact between the fibres, and the strength of the rope
in a great measure depends upon the strength of the fibres and the friction between
the fibres. But the means thus adopted acts detrimentally, in that the individual
fibres receive too much tension, and thus the attempt to produce strength causes
inherent weakness, to the extent in many cases of the loss of two thirds of the
tensile strength of the rope.
Moreover, the fibres forming the threads and strands, of which the rope is
manufactured, are unequally strained in working, the outer fibres being stretched
and elongated, while the inner fibres are compressed, and the result of this arrange-
ment causes the rupture of the outer fibres in working, and brings about the
ravelling" of the outside fibres, and rapid deterioration and weakening of
the rope
Now the object of my invention is to manufacture such ropes in an improved
manner, obviating the necessity of resorting to excessive twisting of the fibres,
and producing ropes which are greatly superior in strength to those at present
manufactured.
In carrying out my invention I prevent an immoderate amount of twisting and
produce the necessary adhesion and friction between the fibres threads and strands
by powdering in the process of manufacture with powdered resin, or resinous

page_text: substances, but not by steeping the fibrous materials in resinous fluids, as these are
to be carefully avoided.
The results arising from my improved manufacture of rope, are as follows:-
1. A great increase of tensile strength.
2. Less liability to stretch from tension.
3. Greater resistance to moisture and
4. Less liability to become rotten.
In some cases I prefer to remove all surplus resinous powder from the outside of
the finished rope, in order to prevent the rope from becoming sticky and readily
acquiring dirt

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed
by the said August John Ferdinand George Telschow in the Patent Office
on the 9th June 1884.
AUGUST JOHN FERDINAND GEORGE TELSCHOW late of 105 Mildmay Road Stoke
Newington in the County of Middlesex but now of 63 King William Street in the
City of London IMPROVEMENTS IN THE MANUFACTURE OF ROPE
.
In the manufacture of ropes of hemp, or other suitable fibrous substances it is
necessary to twist the fibres with considerable force in order to cause compression
and consequent frictional contact between the fibres, and the strength of the rope
in a great measure depends upon the strength of the fibres and the friction between
the fibres But the means thus adopted act detrimentally, in that the individual
fibres receive too much tension and thus the attempt to produce strength causes
inherent weakness, to the extent in many cases of the loss of two thirds of the
tensile strength of the rope.
Moreover the fibres forming the yarns, threads, and strands of which the rope is
manufactured, are unequally strained in working, the outer fibres being stretched
and elongated, while the inner fibres are compressed, and the result of
arrangement causes the rupture of the outer fibres in working, and uring about
the "ravelling" of the outside fibres, and rapid deterioration and weakening of
the rope.
Now the object of my invention is to manufacture such ropes in an improved
manner, obviating the necessity of resorting to excessive twisting of the fibres,
and producing ropes which are greatly superior in strength to those at present
manufactured.
In carrying out my invention I prevent an immoderate amount of twisting, and
produce the necessary adhesion and friction between the fibres, yarns, threads, and
strands, by powdering in the process of manufacturing with powdered resin, or
resinous substances but not by steeping the fibrous material in resinous fluids, as
these are to be carefully avoided as they produce brittleness and consequent
weakness in the rope.
The results arising from my improved manufacture of rope, are as follows:-
1 A great increase of tensile strength
0
Tilt in stuntal form tomaian
AUGUST JOHN FERDINAND GEORGE TELSCHOW. (L.S.)