Process and Apparatus for Sizing or Classifying Comminuted Materials Page: 4 of 11
[1-3], 11 pp. : ill. ; 23 cm.View a full description of this patent.
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UNITED STATES PATENT OFFICE
HENRY M. SUTTON, WALTER L. STEELE, AND EDWIN G. STEELE, OF DALLAS, TEXAS.
PROCESS AND APPARATUS FOR SIZING OR CLASSIFYING COMMINUTED MATERIALS.Specification of Letters Patent.
Application fled January 22, 1914. Serial No. 813,716.
To all whom it may concern:
Be it known that we, HENRY. M. SurroN,
W i E L. S ELE, and EDWIN G. STEELE,
citizens of the United States, residing at
5 Dallas, in the county of Dallas and State of
Texas, have invented certain new and useful
Improvements in Processes of and Appara'
tus for Sizing or Classifying Comminuted
Materials, of which the following is a speci-
10 fiction, reference being had therein to the
accompanying drawing. -
This invention:rlates to a process of and
an apparatus for'sizing .or classifying com-
minuted material, and is in the nature of an
15 improvement upon our pending appliation
Serial Number 80,300, filed July 21, 1913;
the object being to provide novel means for
vibrating the endless belt or deck in order
to impart to the particles thereon, an accel-
20 erated movement in the direction of their
natural travel by gravity.
Another object of the, invention is to pro-
vide an agitating means for the endless belt
or deck in the, form of an angular bar hav-
25 ing tapering faces increasing in width from
the upper end toward the lower end, where-
by the vibration of the belt or deck will be
increased from the upper edge to the lower
edge in order to impart the accelerated
30 movement to the particles thereon. ' -
Another and further object of the inven-
tion is to provide means for imparting a
constant accelerated movement to the parti-
cles in the direction of their natrual travel
35 by gravity or at right angles or approxi-
mnately so, to that of their travel with the
belt,.in order to allow the particles in one
particular zone to clear the way for the par-
ticles just above whereby each particle in
40 every zone, is allowed more freedom of
movenient in order to increase the effective-
ness of the sizing apparatus..
Another and further object of the inven-
tion is to provide a continuously moving sup-
45 portg surface with agitating means which
imparts to the surface, an undulatory move-
mint in zones extending transversely across
the supporting surface in order to allow the
particles in each zone to more clearly differ-
50 entiate themselves from those of the adja-
cent zone, each zone being vibrated in such a
.mannner that the particles will travel con-
tiguously across the supporting surface with
free movement, thereby allowing the appa-rats to carry out the process of separating 55
comminuted material at a greater speed than
the apparatus previously constructed.-
Another object of the invention is to pro-
vides a roughened sizing surface whose re-
sistance in the direction of the flow of the 60
material by gravity increases progressively
and in the same direction as does the in-
crease in the vibrations in order to con-
stantly check the tendency of the particles
toward racing or bouncing along the sur- 65
face which would be fatal to good sizing;
the vibration increasing in intensity in
proper proportion to the increasing resist-
ance in order to give the flowing pulp a
proper accelerated movement. 70
We are aware that apparatuses have been -
c(omnstructed for separating seed and the like,
in which a transversely inclined continu-
ously moving belt o rsuppoirt has been pro-
vided with agitating means for separating 75
the round seed from the flat seed, but in this
class of separator, the material is not sepa-
rated according to volume of the particles
without regard to shape or difference in
specific gravity, or in other words, particles so
that are square or flat have the same volu-
metric dimensions as round or oval ones, or
any other shape, as is the case with our
process of sepa rating commninuted material.
This can be thoroughly explained by com- 85
paring'the actioil of rolling particles down
the inclined surface where the particles are
free to move independently of the action of
any of the other particles, other than the
surface over which they are rolling such as 90
takes place with. seed separators now in use
having inclined continuously moving sur-
faces. In this cuss of machine, if a round
and flat particle are started down an in-
clined surface, the round particle will out- 95
distance the flat one in speed and arrive at
the bottom of the inclined'surface ahead of
the flat one. With our apparatus, and proc-
ess of separating comminuted, material in
which the particles are separated ccdrdin 100
to volume, if a mixture of comminuted ma-
terial having different volumetric diinent
sions, is placed on a continuously moving
roughened inclined surface which is being
vibrated, these particles have a restricted 1 05
field of action influenced by the surface over
which they ate traveling and their relative
amount of friction with each other and a1,1.14,93".
Patented Oct. 27, 1914.
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Sutton, Henry M.; Steele, Walter L. & Steele, Edwin G. Process and Apparatus for Sizing or Classifying Comminuted Materials, patent, October 27, 1914; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth859526/m1/4/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.