Improvements in Devices for Cleaning the Gauze of Flour Sifting Machines and Cylinders.
Year: 1898

page_text: Date of Application, 11th Feb., 1898--Accepted, 9th Apr., 1898
Improvements in Devices for Cleaning the Gauze of Flour Sifting
Machines and Cylinders.
A communication to me from REINHOLD ROTHE, of Ullersdorf, in the Empire of
Germany, Miller.
I, EDMUND EDWARDS, of the Firm of Edwards and Co., Patent Agents and
Engineers, of 65 and 66, Chancery Lane, in the County of Middlesex, do hereby
declare the nature of this invention and in what manner the same is to be per-
formed, to be particularly described and ascertained in and by the following
statement, and accompanying drawing, that is to say:-
This invention relates to devices for cleaning the gauze used in flour sifting
machines and cylinders. The cleaning devices used hitherto have the disadvantage,
that the indiarubber strings employed do not produce a sufficient vibration of the
sieves and do not beat them at all parts of their surface, as is necessary for a
thorough cleaning. The present invention avoids these disadvantages by attaching
elastic balls to the india-rubber strings. The accompanying drawing is in illus-
tration of the invention,
Figure 1 being a plan of the improved cleaning device,
Figure 2 a modification of the cleaning device shown in Figure 1,
Figure 3 an elevation of the sieve drum provided with the new cleaning
device,
Figure 4 a section on the line x-x of Figure 3.
The cleaning device consists essentially of a number of indiarubber strings a,
attached to the frames 6 and provided with balls or similar beating devices c.
When the machine rotates, these balls strike and beat upon the gauze of the sifter
The balls made of elastic material,
and produce thereby a vibration of the same.
preferably indiarubber, may be mounted loosely on the strings, as shown in
Figures 1 and 2, or may be attached rigidly to them, as shown in Figures 3 and 4.
The size, form, and arrangement of the balls on the strings may be varied as
circumstances require. The strings shown in Figure 1 are provided with thicken-
ings d for the purpose of avoiding any accumulation of the balls on one side of the
machine. Instead of these thickenings strings attached loosely to the india-
rubber strings a may be employed for the same purpose, as shown in Figure 2.
If the balls are used for cleaning fine bronze gauze, they are preferably ribbed.
With the improved cleaning device hereinbefore described every part of the
gauze is repeatedly beaten and therefore cleaned, so that any obstruction of the
sieve is avoided.
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.-A gauze cleaning device for sifting machines, characterized by balls or
f
suitable elastic material attached loosely m

page_text: rigidly to the indiarubber strings (a) for the purpose of beating upon the gauze
and producing thereby a vibration of the latter, substantially as described, and
illustrated.
2. In devices of the kind mentioned in Claim 1, indiarubber strings (a) provided
with thickenings (d) or lateral indiarubber strings (7) for the purpose of limiting
the motion of the balls along the strings, substantially as described, and illustrated.
Dated this 11th day of February 1898.
EDWARDS & Co.,
65 and 66, Chancery Lane, London, Agents for the Applicant.