An Improved Suction Apparatus to be used in Revolving Strainers for Straining Pulp for Paper Making Machines.
Year: 1893

page_text: Date of Application, 4th Jan., 1893
Complete Specification Left, 4th Nov., 1893-Accepted, 9th Dec., 1893
PROVISIONAL SPECIFICATION.
An Improved Suction Apparatus to be used in Revolving Strainers
for Straining Pulp for Paper Making Machines.
.
I JAMES HYDE, Junior of Millbrook House, Snodland, Rochester in the County
of Kent, Engineer, do hereby declare the nature of this invention to be as
follows:-
This invention relates to an improved suction apparatus to be used in revolving
strainers for straining pulp.for paper making machines.
According to this invention I fit about midway in the revolving box a short
cylinder and to a shake rod passing through said cylinder I fit a disc so as to work
in and out of said cylinder in order to cause a vacuum and pressure alternately on
the straining plates of aforesaid box in order to force the pulp through the slits in
same.
The aforesaid shake rod works in a suitable guide at one end and the other end
is connected with a crank shaft worked by the driving shaft of the engine.
The said crank shaft works in suitable bearings fixed on a bracket on one end of
the strainer so as to form a self contained driving gear.
The aforesaid box may be
rotated by any suitable means.
Over the shake rod I fit an india rubber sleeve one end of which is connected
with the end of the box so as to allow for the action of the shake rod and at the
same time prevent the escape of pulp.
I fit at end of strainer a discharge pipe for connecting to the machine.
Dated this ith dow of lano 1002
BROWNE & Co.,
9, Warwick Court, W.C., Agents for Applicant.
COMPLETE SPECIFICATION.
An Improved Suction Apparatus to be used in Revolving Strainers
for Straining Pulp for Paper Making Machines.
I JAMES HYDE, Junior of Millbrook House, Snodland, Rochester in the County
of Kent, Engineer, 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 an improved suction apparatus to be used in revolving
strainers for straining pulp for paper making machines.
According to this invention I fit about midway in the revolving box a short
cylinder and to a shake rod passing through said cylinder I fit a disc so as to work.
in and out of said cylinder in order to cause a vacuum and pressure alternately- on
the straining plates of aforesaid box in order to force the pulp through the slits in
same.
The aforesaid shake rod works in a suitable guide at one end and the other end
is connected with a crank shaft worked by the driving shaft of the engine.
The said crank shaft works in suitable bearings fixed on a bracket on one end of
the strainer so as to form a self contained driving gear.
The aforesaid box may be rotated by any suitable means.
Over the shake rod I fit an india rubber sleeve one end of which is connected
with the end of the box so as to allow for the action of the shake rod and at the
same time prevent the escape of pulp.
I fit at end of strainer a discharge pipe for connecting to the machine.

page_text: And in order that my said invention may be better understood I will describe the
same with reference to the accompanying sheet of drawings in which
Fig. 1. shews elevation partly in section with straining plates removed of
apparatus constructed according to my said invention.
Fig. 2 section through line A. B. Fig. 1.
Fig. 3 view of eccentric on shaft at 1, Fig. 1.
The same letters denote the same parts in all the views.
a shews box frame rebated all round to take the ordinary perforated straining
plates b. c. shews a fixed shallow cylinder into which the piston d works. e shews
piston or shake rod and f. a guide for same. g is a rubber sleeve fixed to piston or
shake rod f. to make a joint between the inside box or strainer a and the outer
casing or trough h. i and jare packed glands to make joints where strainer
revolves. k. shews gearing to revolve strainer and 7 gearing for shake motion.
m. is
a connecting rod from the eccentric on the shaft at 1. to the piston or shake rod e.
n is a collar and stuffing box to make a joint and also to keep the rubber sleeve 9
in place, o. is a copper bend to take the pulp from strainer a. p is a bracket to
carry the shake gearing.
The action is as follows:
The pulp is fed into the outer casing or trough h. and is drawn through the
strainer plates 6 by the vacuum caused by the action of the piston d. the pulp is
then forced through the bend o. by means of the back thrust of the piston, leaving
the dirt or impurities in the outer trough h.
By the employment of this invention the india rubber discs now employed are
entirely dispensed with thus reducing the blotches and lumps to a minimum which
is a great advantage to the paper manufacturers.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed I declare that what I
⚫claim is.
1. In an improved suction apparatus the bend o. the cylinder e piston d rod e.
shake motion all substantially as and for the purposes set forth.
2. The improved suction apparatus to be used in revolving strainers for straining
pulp for paper making machines substantially as set forth.
Dated this 4th day of November 1893.
BROWNE & Co.,
9, Warwick Court, W.C., Agents for Applicant.