IMPROVE- MENTS IN APPARATUS FOR PULPING FIBRES FOR THE MANUFACTURE OF PAPER to be as follows:
Year: 1886

page_text: 5:
LOGO paper.
I THOMAS ROWLAND, of Dean Mill, Midgley, in the County of York, Foreman
Paper Maker, do hereby declare the nature of my said invention for, "IMPROVE-
MENTS IN APPARATUS FOR PULPING FIBRES FOR THE MANUFACTURE OF PAPER
to be as follows: —
66
13
"
In the manufacture of paper as heretofore by reason of the fibre of which the
'pulp" is composed being imperfectly reduced that is to say certain parts of
the fibre not being reduced to "pulp "strings" "sods" or "knots" appear in
the finished paper, and the object of this my invention is to reduce the whole
of the fibre of which the pulp is composed as to free the paper from the defect
heretofore existing.
.
Apparatus for purpose aforesaid according to this my invention consists of a pipe
or guide through which the pulp from the troughs pass-Within the said pipe or
guide are two circular cutters or beaters in close contact one stationary the other
rapidly rotating, both circular cutters or beaters consist of metal plates having
arms, vanes, openings or passage ways, through which the "pulp" passes and is
thoroughly broken up thereby, the action of the revolving cutter and the stationary
one being much the same as the action of scissors-The many arms vanes, openings
or passage ways, by reason of the rapid rotation practically form and operate as
innumerable cutting surfaces thoroughly breaking up the small fibres which have
heretofore escaped the action of the rag engine.
WALTER BRIERLEY,
Town Hall Buildings, Halifax,
Agent for the Applicant.

page_text: Manufacture of Paper.
:
I, THOMAS ROWLAND of Dean Mill Midgley, in the County of York, Foreman
Paper Maker do hereby declare the nature of my invention for IMPROVEMENTS
IN APPARATUS FOR PULPING FIBRES FOR THE MANUFACTURE OF PAPER " and in
what manner the same is to be performed, to be particularly described and ascer-
tained in and by the following statement:-
In the manufacture of paper as heretofore by reason of the fibre of which the
pulp is composed being imperfectly reduced-that is to say-certain parts of
the fibre not being reduced to "pulp," "strings,"
" "sods" or "knots " appear in
the finished paper, and the object of this my, invention is to reduce the whole
of the fibre of which the pulp is composed as to free the paper from the defect
heretofore existing.
Apparatus for purpose aforesaid according to this my invention consists of a pipe
or guide through which the pulp from the troughs pass. Within the said pipe or
guide are two circular cutters or beaters in close contact, one revolving over the
other rapidly, both circular cutters or beaters consist of metal plates having arms,
vanes, openings, or passage ways; through which the "pulp" passes and is thoroughly
broken up thereby, the action of the revolving cutter and the stationary one being
much the same as the action of scissors.
The many arms, vanes, openings, or passage ways by reason of the rapid rotation
practically form and operate as innumerable cutting surfaces, thoroughly breaking
op the small fibres, which have heretofore escaped the action of the rag engine.
Such being the nature and object of my said Invention, the following is a
complete description of same; reference being had to the accompanying drawings
forming a part of this specification in which
-
Fig. 1 is a side elevation partly in section of the apparatus
Fig. 2 is a plan view shewing the cutters or beaters in position.
Figs. 3 and 4 are plan views of cutters or beaters of different designs detached.
Apparatus constructed according to this my said invention consists of a pipe or
guide 1 through which the pulp from the troughs 2 passes.
Within the said pipe
or guide 1 are two circular cutters or beaters 3, 4, .in close contact the upper one
revolving over the other rapidly (see Fig. 1), the bottom cutter or beater 4 being
stationary. The upper or revolving cutter or beater 3 is driven by means of the
upright shaft 5, bevel wheels 6, 7,, and pulley 8; there is a stuffing box 9 in the
bottom of the trough. to prevent the pulp running down the upright shaft 5. The
cutters or beaters consist of metal plates 3. 4, having arms, vanes, openings, passage
ways, or radius slots 10. 10, through which the pulp passes and is thoroughly
broken up thereby, the action of the revolving and stationary cutters or beaters 3, 4,
being much the same as the action of scissors.
The many arms, vanes, openings or passage ways 10 practically form and operate
as innumerable cutting surfaces thoroughly breaking up the small fibres which
have heretofore escaped the action of the rag engine.

page_text: Although I have described one of the cutters as stationary and the other revolving,
I would have it understood that both may revolve in opposite directions if required
by mounting the lower one upon a hollow boss and having independent driving
for the bottom cutter.
So likewise the form of openings, the edges of which form the cutting instru-
ments may be varied by and also as to number and size thereof according to the
particular material to be operated upon.
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 revolving and stationary cutters, (or revolving cutters) in combination with
the pipe or guide of a pulping machine for purpose herein described and substan-
tially as illustrated by drawings annexed hereto.
•