Improvements in or applicable to Rag Engines and other Beating Engines used in the Manufacture of Paper Pulp.
Year: 1897

page_text: Date of Application, 9th June, 1897
Complete Specification Left, 9th Mar., 1898-Accepted, 4th June, 1898
Improvements in or applicable to Rag Engines and other Beating
Engines used in the Manufacture of Paper Pulp.
I, EDWARD PARTINGTON, of Turn Lee Paper Works, Glossop, in the County of
Derby, Paper Manufacturer, do hereby declare the nature of this invention
to be as follows:-
This invention relates to that part of the rag engine or similar machine, which
is provided with the pulping surface. For example in a rag engine it is applic-
able to the bed or beater plate and to the rotary beater or beater roll, and in what
is known as an "American refining engine" it is applicable to the construction
of the rotary disc or beater.
The object of the invention is to provide the above machines with simple cheap
and durable pulping surfaces which shall be less liable to require readjustment
than those at present in use.
For this purpose I dispense with the steel knives or plates and dividers now
in use, and I use a casting or frame of suitable metal (steel for example) in which
are cast a number of holes with just sufficient space between the holes to leave
a suitable cutting edge of the metal aforesaid, and I fill in these holes with hard
wood (say teak), metal borings, or other suitable material, or metal softer than
that of which the frame is made.
This filling is made flush with the working surface of the bed or beater plate
and will wear rather quicker than the latter, leaving it slightly raised.
The holes may be circular or otherwise formed to leave curved edges or dia-
mond shaped or otherwise inclined with regard to the motion of the machine,
and these edges will have a specially advantageous effect upon the fibres, con-
siderably better than that of the knives now employed.
A beater plate made according to my invention will also take much less labor
and time to set in the machine than the knives and dividers now in use, besides
being evidently very much cheaper to construct and more durable.
When applying my invention to the beater roll, a long narrow frame made as
above described is wedged into each of the grooves of the roll in place of the usual
knives and dividers.
When applying my invention to the American refining engine the disc is
itself made with transverse cells or recesses filled in as above described.
This composite plate or surface aforesaid will have a double effect; that of
cutting the fibres if required by the steel or hard metal edges, and that of comb-
ing or separating the fibres by the wood or other suitable filling.
Dated this 8th day of June 1897.

page_text: Improvements in or applicable to Rag Engines and other Beating
Engines used in the Manufacture of Paper Pulp.
I, EDWARD PARTINGTON, of Turn Lee Paper Works, Glossop, in the County of
Derby, Paper Manufacturer, do hereby declare the nature of this invention
and in what manner the same is to be performed to be particularly described and
ascertained in and by the following statement:
-
This invention relates to that part of the rag-engine or similar machine, which
is provided with the grinding and pulping surface. For example in a rag engine
it is applicable to the bed or "beater-plate," and to the rotary beater, or beater-
roll," and in what is known as an American refining engine" it is applicable
to the construction of the rotary disc or beater.
66
My invention will be readily understood on reference to the drawings hereunto
annexed and the following explanation thereof.
Fig. 1 is a longitudinal section, Fig. 2 a transverse section, and Fig. 3 a plan
view of the "beater plate" of a rag engine made according to my invention.
Fig. 4 is a plan view of a modification thereof.
Figs. 5, 6 and 7 are plan view, and longitudinal, and transverse sections res-
pectively, showing the application of my invention to the "beater roll" of a rag-
engine.
<6
Figs. 8 and 9 are a face view and section of the rotary disc or beater of an
American refining engine" made according to my invention.
For the purposes of my invention I dispense with the steel knives, plates, and
dividers now in use in such engines, and I use a casting or frame a of suitable
metal (steel for example) in which are cast or otherwise formed a number of
holes b with just sufficient space between the holes to leave a suitable cutting edge
of the metal aforesaid, and I fill in these holes with hard wood (say teak), metal
borings, or other suitable material, or metal softer than that of which the frame a
is made.
This filling is made flush with the working surface of the bed or beater plate
and will wear away rather quicker than the latter, leaving it slightly raised.
The holes may be circular as shown on the principal figures of the drawing or
otherwise formed to leave curved edges, or they may be made diamond shaped as
shown at Fig. 4, or otherwise inclined with regard to the motion of the machine,
and these edges will have a specially advantageous effect upon the fibres, consider-
ably better than that of the knives now employed.
A "beater plate" made according to my invention will also take much less
labor and time to set in the machine than the knives and dividers now in use,
besides being evidently much cheaper to construct and more durable.
When applying my invention to a "beater roll" (see Figs. 6 and 7) a long
narrow frame or block made as above described is wedged into each of the grooves
of the roll c in place of the usual knives and dividers.
When applying my invention to the American refining engine (see Figs. 8
and 9), the disc d is itself made with transverse cells or recesses 6 filled in as
above described.
This composite block or surface will have a double effect; that of cutting the
fibres; if required, by the steel or hard metal edges, and that of rubbing or sepa-
rating the fibres by the wood or other suitable filling.
Having now particularly described and ascertained the nature of my said in-
vention and in what manner the same is to be performed I declare that what I
claim is:
-
In rag engines and other beating engines used in the manufacture of paper pulp,

page_text: the use of composite blocks, slabs, or discs formed of steel or other hard metal
cast or otherwise formed with perforations or recesses filled in with hard wood,
metal borings, or other suitable material or composition or with a metal softer
than that of which the blocks, slabs, or discs, are made substantially as and for
the purposes herein before referred to.
Dated this 8th dow of Namh 1808
GEO. DAVIES & SON,
Agents for the Applicant, 4, St. Ann's Square, Manchester.