AN IMPROVED MANUFACTURE OF LEAD IN THE FORM OF THREADLIKE FIBRE AND APPARATUS FOR SUCH MANUFACTURE A
Year: 1882

page_text: "
LETTERS PATENT to Frederick John Cheesbrough of the Office for Patents,
15, Water Street, Liverpool in the County of Lancaster, Consulting Engineer
for an Invention of "AN IMPROVED MANUFACTURE OF LEAD IN THE FORM OF
THREADLIKE FIBRE AND APPARATUS FOR SUCH MANUFACTURE A communi-
cation to him from abroad by Asabel Knowlton Eaton of Brooklyn in
the County of Kings and State of New York one of the United States of
America
PROVISIONAL SPECIFICATION left by the said Frederick John Cheesbrough
at the Office of the Commissioners of Patents on the 15th June 1882.
FREDERICK JOHN CHEESBROUGH, of the Office for Patents, 15, Water Street
Liverpool, in the County of Lancaster, Consulting Engineer
"AN IMPROVED
MANUFACTURE OF LEAD IN THE FORM OF THREAD LIKE FIBRE AND APPARATUS
FOR SUCH MANUFACTURE" [A communication to him from abroad by Asabel
Knowlton Eaton of Brooklyn in the County of Kings and State of New York
one of the United States of America.]
The new article of manufacture consists of lead in the form of fine hair like
fibres, or threads.
The means of producing this article consists of
cylinder supplied with an accurately fitting piston.
filled with very fine perforations, or creases which
part of the sides.
a strong hollow, steel, or iron
The bottom of this cylinder is
may also extend to the lower
The cylinder should be suitably supported and should be thick and strong
enough to sustain the applied power necessary to force the lead through the
perforations.
The cylinder and its piston are kept hot and the lead is charged into the
cylinder in a hot molten state and is preferably forced out through the fine
perforations, or creases while in a semi molten state into the cold atmosphere, the
[Di S21

page_text: lead being divided into very fine threads, or fibres cools as fast as it issues from the
cylinder and retains the form of hair, or fibre.
The uses to which this Invention may be put are many, among the most
prominent of which may be mentioned the manufacture of white lead, packing for
stuffing boxes of steam engines, calking for metal joints.
The finely divided condition of the lead in the form of loose fibre is of great
advantage in the manufacture of white lead after what is known as the "old
Dutch method" both in the saving of time and in the quality of the product, the
conversion being very rapid and perfect, requiring but a few days instead of as
many months and leaving no lumps, or fractions of unconverted metal in the
resulting carbonate.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed
by the said Frederick John Cheesbrough in the Great Seal Patent Office on
the 13th December 1882.
FREDERICK JOHN CHEESBROUGH, of the Office for Patents, 15, Water Street,
Liverpool, in the County of Lancaster, Consulting Engineer AN IMPROVED
MANUFACTURE OF LEAD IN THE FORM OF THREAD LIKE FIBRE AND APPARATUS
FOR SUCH MANUFACTURE.”—A Communication to me from abroad by Asabel
Knowlton Eaton, of Brooklyn, in the County of Kings and State of New York,
one of the United States of America
This Invention consists of a new article of manufacture consisting of lead in
the form of thread like fibre, and the following is a description of the same in such
full, clear, exact and concise terms as will enable anyone skilled in the arts to
which it appertains, or with which it is most nearly connected to make and use
the same, reference being had to the accompanying Drawing, making part of this
Specification, and to the letters and figures of reference marked thereon.
The new article of manufacture consists of lead in the form of fine hair like
fibres, or threads.
The means of producing this article consists of a strong hollow steel, or iron
cylinder supplied with an accurately fitting piston. The bottom of this cylinder is
filled with very fine perforations, or creases which may also extend to the lower
part of the sides.
The cylinder should be suitably supported and should be thick and strong
enough to sustain the applied power necessary to force the lead through the
perforations.
The cylinder and its piston are kept hot and the lead is charged into the
cylinder in a hot molten state, and is preferably forced out through the fine
perforations, or creases while in a semi molten state into the cold atmosphere, the
lead being divided into very fine tbreads, or fibres cools as fast as it issues from
the cylinder, and retains the form of hair, or fibre.
The uses to which this Invention may be put are many, among the most
prominent of which may be mentioned the manufacture of white lead, packing for
stuffing boxes of steam engines, caulking for metal joints
The finely divided condition of the lead in the form of loose fibre is of great
advantage in the manufacture of white lead after what is known as the "old
Dutch method" both in the saving of time and in the quality of the product, the
conversion being very rapid and perfect, requiring but a few days instead of as
many months and leaving no lumps, or fractions of unconverted metal in the
resulting carbonate.
By the accompanying Drawing there is shown a press to be used in the manu-
facture of this lead fibre It consists of a hydraulic cylinder A a ram B and a lead
retaining cylinder F fitted with a finely grooved die plate G, a plan of which is
shown by Figure 2.
The ram B is suitably packed with the usual packing of a hydraulic press as
at C and D.
The retaining cylinder F is sustained in a bed plate E and supported_upon
columns I which pass up through the bed plate and terminate in columns J upon
which the cylinder A is supported as shown by the Drawings.
The die plate G and the corresponding face of the cylinder should be made of
steel and the latter very finely grooved to divide the lead into fine fibre, or hair
and firmly bolted, or otherwise secured to the face of the retaining cylinder.

page_text: The cylinder being charged with hot lead upon the application of pressure
through the ram B, the lead will spin out through the grooves X like a shower
bath as shown by H.
There is nothing new in the construction and organization of the press but the
grooved die combined with the end of the lead cylinder by which the fibre is made.
What I claim as the Invention communicated to me by my foreign corre-
spondent is:
First The new article of manufacture consisting of lead in the form of fine hair,
or thread like fibre.
Second A finely grooved die plate G in combination with a retaining cylinder F
for the purpose of making the lead in the form of fine fibre, or thread substantially
as described for the purpose specified.
In witness whereof, I the said Frederick John Cheesbrough have hereunto
set my hand and seal this Twelfth day of December, in the year of our
Lord One thousand eight hundred and eighty two.
FREDERICK JOHN CHEESBROUGH (L.S.)