A MACHINE FOR CUTTING, CHIPPING, OR RASPING DYE WOODS, OR OTHER SIMILAR FIBROUS SUBSTANCES, FOR THE PURPOSE OF OBTAINING EXTRACTS
Year: 1857

page_text: LETTERS PATENT to David Guthrie and Josiah Vavasseur, of New Park
Street, Southwark, in the County of Surrey, Civil and Mechanical
Engineers, for the Invention of "A MACHINE FOR CUTTING, CHIPPING,
OR RASPING DYE WOODS, OR OTHER SIMILAR FIBROUS SUBSTANCES, FOR THE
PURPOSE OF OBTAINING EXTRACTS."
Sealed the 16th April 1858, and dated the 16th October 1857.
PROVISIONAL SPECIFICATION left by the said David Guthrie and Josiah
Vavasseur at the Office of the Commissioners of Patents, with their
Petition, on the 16th October 1857. .
We, DAVID GUTHRIE and JOSIAH VAVASSEUR, of New Park Street, South-
wark, in the County of Surrey, Civil and Mechanical Engineers, do hereby
declare the nature of the said Invention for "A MACHINE FOR CUTTING,
CHIPPING, OR RASPING DYE WOODS, OR OTHER SIMILAR FIBROUS SUBSTANCES, FOR
THE PURPOSE OF OBTAINING EXTRACTS," to be as follows:-
As in accompanying Drawing, where A, A, is a drum; of any required
diameter and depth, hung and fixed to a vertical shaft B, B, upon which it
revolves, having a footstep a at bottom, and bearing 6 at top, and is driven
by wheels, or by any of the ordinary methods for similar purposes. The
cutters C, C, C, are fastened to the drum A, A, by means of screws or bolts,
and project through the face the required distance, similar to the iron in
a carpenter's plane. The wood or substance to be cut is placed in a

page_text: trough D, D, and is fed or forced forward against the cutters by means of
a rack or screw, which may be worked by hand or made self-acting, as
circumstances require. The trough is angled on one side, by which means
the wood, &c., is jammed more firmly, and several pieces can be fed at the
same time, and the trough may be filled.
And, further, by this arrangement and working the drum, as shewn in
Drawing, two, three, or more troughs and feeds may be attached to one
machine, by which the quantity of work produced in the same time by one
machine is proportionally increased, and the work equalized.
And we hereby claim in this, as our present improvement, the putting the
cutters on a drum or cylinder to work on a vertical shaft, and the placing of
several troughs and feeds round the same, having one side bevelled against
the drift of the cut.
SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said David Guthrie and Josiah Vavasseur in the Great Seal
Patent Office on the 16th April 1858.
TO ALL TO WHOM THESE PRESENTS SHALL COME, we, DAVID
GUTHRIE and JOSIAH VAVASSEUR, of New Park Street, Southwark, in the
County of Surrey, Civil and Mechanical Engineers, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Sixteenth day of October, in the year of our Lord
One thousand eight hundred and fifty-seven, in the twenty-first year of Her
reign, did, for Herself, Her heirs and successors, give and grant unto us, the
said David Guthrie and Josiah Vavasseur, Her special licence that we, the
said David Guthrie and Josiah Vavasseur, our executors, administrators, and
assigns, or such others as we, the said David Guthrie and Josiah Vavasseur,
our executors, administrators, and assigns, should at any time agree with, and
no others, from time to time and at all times thereafter during the term
therein expressed, should and lawfully might make, use, exercise, and vend,
within the United Kingdom of Great Britain and Ireland, the Channel
Islands, and Isle of Man, an Invention for "CUTTING, CHIPPING, OR RASPING
DIE WOODS, OR OTHER SIMILAR FIBROUS SUBSTANCES, FOR THE PURPOSE OF
OBTAINING EXTRACTS," upon the condition (amongst others) that we, the said.
David Guthrie and Joseph Vavasseur, our executors or administrators, by
an instrument in writing under our or one of our, or their or one of their,
hands and seals, should particularly describe and ascertain the nature of the

page_text: said Invention, and in what manner the same was to be performed, and
cause the same to be filed in the Great Seal Patent Office within six calendar
months next and immediately after the date of the said Letters Patent.
NOW KNOW YE, that we, the said David Guthrie and Josiah Vavasseur,
do hereby declare the nature of our said Invention, and in what manner the
same is to be performed, to be particularly described and ascertained in and
by the following statement, that is to say:―
The Invention consists as in accompanying Drawing, where A, A, is a
drum, of any required diameter and depth, hung and fixed to a vertical
shaft B, B, upon which it revolves, having a footstep a at bottom, and
bearing b at top, and is driven by wheels, or by any of the ordinary methods
for similar purposes. The cutters c, c, c, are fastened to the drum A, A, by
means of screws or bolts, and project through the face the required distance,
similar to the iron in a carpenter's plane. The wood or substance to be cut
is placed in a trough D, D, and is fed or forced forward against the cutters
by means of a rack or screw, which may be worked by hand or made self-
acting, as circumstances require. The trough is angled on one side, by
which means the wood, &c., is jammed more firmly while cutting, and several
pieces can be fed at the same time as the trough may be filled.
And further, by this arrangement and working the drum, as shown in
Drawing, two, three, or more troughs or feeds may be attached to one
machine, by which the quantity of work produced in the same time by one
machine is proportionally increased, and the work equalized.
And we hereby claim in this, as our present improvement, the putting the
cutters on a drum or cylinder, to work on a vertical shaft, and the placing of
several troughs and feeds round the same, having one side beveled against the
drift of the cut.
In witness whereof, I, the said Josiah Vavasseur, on behalf of myself
and the said David Guthrie, have hereunto set my hand and seal,
this Sixteenth day of April, in the year of our Lord One thousand
eight hundred and fifty-eight.
Pro GUTHRIE & VAVASSEUR, (L.S.)
JOSIAH VAVASSEUR.