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Dgcfio, 1.946. '
2,412Q4oo
A. HocK '
STRAINER
Filed May\22, 1945
2 Sheets-Sheet l
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INVENTOR.`
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2,412,400
STRAINER-
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Filed May 22, 1943
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INVENTOR.
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Patented Dec. 10, 1946
2,412,400 '
UNITED STATES PATENT OFFICE
2,412,400
STRAINER'
Alvin» Hock, Cincinnati, Ohio
Application May 22, 1943, Serial No. 488,068
9 Claims. (Cl. 210-151)
2
1
through the strainer taken on a plane to the
left of that of Fig, 3 on line ä-ll- on Fig. 1f.
Fig. 5 is a fragmentary elevational View of cer
tain parts of the strainer mechanism as seen
from line 5-5 on Fig. 3.
This invention relates to improvements in
strainers particularly for use in straining fluid
from boiled or processed material such as syrup
or wort from hop flowers in the manufacture of
beer.
In the manufacture of any item for human
Fig. 6 is an enlarged fragmentary sectional
consumption cleanliness of the machinery used
view taken on line @-6 on Fig. 5 illustrating a
detail of the construction.
in its manufacture is a prime consideration and
Fig. 7 isv a fragmentary, longitudinal sectional
this is particularlyv true in the manufacture of
beer. Wherefore it is desirable that such ma 10 View through the strainer as seen from line 1-1
on Fig. 3.
chinery be produced that it may be readily
Figs. 8, 9 and 10 are respectively an enlarged
cleaned after each use and without loss of an
elevational View, or vertical sectional View on line
exorbitant amount of time in such cleaning and
.fi-9 on Fig. 8 andY a horizontal sectional view
dismantling of the machinery. The foregoing
desirable qualities in the machinery must be ob 15 on line lli-lil on Fig. 8 of a piece of screen
ing material asr may be employed» in this inven
tained Without the sacrifice of eiiiciency in oper
tion.
ation during the .process of manufacturing the
Throughout the several views of- the drawings
similar reference' characters are employed tode
20 note the same or similar parts'.
be readily apparent.
The strainer of this invention maybe employed
It is therefore, the principal object of this
generally in industry and will be describedY in
invention to provide a strainer which will insure
detail in connection with one of' its uses, namely,
the maximum drainage from the processed goods.
the separation of wort or syrup from. the boiled
it is another object of this inventionv to pro
vide a strainer which may be readily cleaned 25 wort.
The wort is delivered by gravity or pumped
to insure the removal of any residue after the pre
consumer product. These desirable qualities are
obtained by the device of this invention as will
ceding manufacturing operation.
It is also an object of this invention to pro
vide a strainer Which‘is relatively simple in
construction yet emcient` in operation for insur
ing the maximum drainage from the goods being
processed, for example, maximum drainage of
syrup from hopI flowers~ during the manufacture
from the boiling kettle through the pipe l0' to
a strainer- mechanism indicated in general by
Jche reference numeral I l». The strainer separates
30 the hop nowers from the syrupy permitting the
syrup to be collected in a tank I2 from which
strainer of this invention.
Fig. 2 is a side elevational View of the device 50
it is drawn for subsequent processing.
The` strainer of this invention comprises a
trough i3 having a bottom` M from which sides
l5V and iß upstand. As will be seen in Fig. l the
trough is of considerable length and made up
therefore, of sections each section extending be
tween adiacent supports Il. In Figs. 5 and 6 are
illustrated two of the said trough sections it and
Ißa with their adjacent bottom and side edges
abutting one another at i9. A connecting band
20 of substantially U shape is provided having a
portion thereof on each side ofthe butt joint I9.
A plurality of rivets 2| are then employed for
riveting the connecting member 20 to the troughs.
As seen in Fig. 6 the heads of the rivets, within
the trough, are arranged to be flush with the
inner surfaces of the trough bottom and sides
thereby providing a smooth inner trough surface
with no shoulders to pickup and- retain sediment
of Fig. 1_
or the like.
Fig. 3 is an enlarged fragmentary cross sec
tional view of the strainer of this invention as
seen from line 3-3 onFíg. l..
with a funnel-like member l2i! which has its re
of beer.
Other objects and advantages of the present 35
invention should he readily apparent by refer
ence to the following speciñcation considered in
conjunction with the accompanying drawings
forming a part thereof and4 it is to be under
stood that any modification may be made in the 40
exact structural» detaíis there- shown and -de
scribed, within the scope of the appended claims,
without'l departing from or exceeding the spirit
of the invention.
45
In the drawings:
`
Fig. 1 is a top plan view of one form of a syrup
collecting tank having associated therewith the
The trough i3 at its receiving end isy provided
duced end connected with the pipe I0. The first
Fig. 4 is an enlarged transverse sectional view 55 section i811 of the trough may be provided with
2,412,400
4
3
a removable or slip cover 23 to prevent a slop- "
understood that rotation of the screw t3 in a
ping over of the wort into the tank I2 should
direction to cause its axial movement to the right,
as seen in Fig. 5, will correspondingly shift the
shaft 3s and thereby increase the distance be
tween the axes of sprocket shafts 35 and 35 for
taking up slack in the chains 33 and 34. Con»
the wort be in a state of turbulence or agitation
due to being delivered to the strainer trough
under pressure. The cover 23 is provided with
handles 2li whereby it may be removed to »per
necting the chains at intervals throughout their
length are a series of rake like members M, each
mit the cleaning of the trough section Ißb‘.
As will be seen in Fig. l the trough I3 extends
comprising a transverse bar t5 from which pro
for its major portion within the end walls of the
tank I2 with, however the end trough section IBC 10 jects fingers 48 in the nature of teeth of a garden
extending beyond the tank. The bottom of the
rake.
In order to support the Chains 33 and 35 dur
trough section from the entrance section Ißb to` '
the discharge section I8c is provided with per
forations to permit the draining therethroughof I’
the syrup and the bottom of the sectionV Ißb may
likewise be perforated but the bottom of section
I8c is without such perforations since it projects
beyond the tank I2. The perforations may take
any form, but preferably, as illustrated in Figs.
8-10, are in the nature of rectangular apertures
25 of relatively little width on the inner surface,
ing their movement through the trough as well
'as the rakes 5ft, each of the trough sides I5 and
but widening out as at 26 on its under surface.
of the trough while the supports d8 support
I5 is provided with inwardly projecting shelves
t? and ëßconveniently taking the form of Vangle Y
members with one leg providing,y the means of
attachment and the other leg providing the sup
port. It will be readily understood that the sup
ports 4'! support the chains and rakes while they
are moving from the intake to the dischargeend
This type of material is customary in strainer
these parts during the return of the rakes to the
mechanisms of the class here described. '
intake end of the trough. In order that the rake . Y
In operation the wort is delivered in such 25 nngers or teeth may extend entirely across the
trough bottom and beneath the lower supports
Vll'l'the outer teeth or fingers 45 are carried by a
strainer mechanism Il that it passes from the
quantity and force through the pipe I 0 to the
entrance section I8b to the discharge section Ito
supplemental support bar t9 attached to~ adjacentI
by its Vown momentum losing the syrup fluid as it
ñngers or teeth of transverse bar t5.
passes over the perforations 25.
The end of the `
strainer trough is provided with a downwardly
inclined lip 27 which directs the hop ñowers into
a collecting receptacle vor tank 28. The recepta
cle 28 is provided above its bottom 29 with a false
or strainer bottom 3D permitting the drainage '.
of Aany syrup which may have clung to the hop
flowers after it passed the perforations of the
strainer bottom. The syrup in the chamber 3l
below the strainer 3i! is discharged by means of
a pump 32 into the tank I2.
.
Any suitable or desirable means may beem
ployedfor actuating the chains 33 and 3d and
attached rakes, such, for example, as the sprocket
wheel 50 secured to a pro-jecting end of the shaft
35 about which is trained a chain 5I in turn ex-V
tending about driving sprocket 52 on the shaft
53 of Yelectric motor 55. As illustrated in Fig. 2
the motor 54 is supported at 55 adjacent the tank
I2;
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-It will be understood that the strainer mecha-V
11.0 nism is adequately supported at the upper end
'
I It has been found that the ho-p ñowers in pass- ‘
of the tank I2 and this support may take any
suitable or desirable form such, fo-r example, as
brackets I1 one of which is illustrated clearly
in Figs. 3 and '7 as a right angle having the upper
to settle on the strainer bottom I4 thereby fre
quently closing the apertures 25. In order to 45 arm 56 disposed beneath the trough with the
vertical armv 5l against the side of the tank l2
overcome this, resort ishad to an agitating mech
and thereby forming a means for attachment as
anism which cooperates with the normal flow of
ing through the strainer by their own momentum
were insuñìciently drained and had a tendency
by welding, brazing` or the ' like.
the wort through the trough, and at the same
time keeps the hop flowers in a state of agitation
To further
strengthen the 'bracket' 'I1 use is made of a web
so _that all sides of the said flowers are properly
v50 53 connecting the bracket arms or legs 55 and 5l;
drained Vof their syrup. This mechanism conven«
iently takes the form 'of a pair o-f endless chains i
From the foregoing it will now >be apparent
that there has been pro-vided a- strainer which is
33 and~ 34 located'respectively vadjacent the
relatively simple in -construction yet ei'licien't in
trough sides I3 and I i. Carried by said trough
sides I3"and I4` at its discharge end is a' shaft i
35`provided, adjacent opposite ends, with sprock
operation and having a minimum _of corners,
crevices and the like behind and in which may
lodge sediment and which can therefore be read
ets about Nwhich are trained the chains 33 and
ily maintainedv in a sanitary condition. .
34. Adjacentthe receiving end of the trough
What is claimed is :I
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a similar shaft 36 is mounted having adjacent
1. I_n a strainer of the class described the com
opposite ends thereof, sprockets 31 and 38 which 60
bination with a tank, _of atrough associatedwith
are similar to the sprockets on the shaft 35 and
the tank and having its bottom above that of the
about whichfare trained thechains 33 and 34.
tank, saidtrough having a length with the major
Associated'with the shaft 3B is a >chain» tighten- i
portion over the bottom of the tank'and a minor
ing mechanism- illustrated clearly in Figs. 3 and 5
portion projecting beyond the tank bottom and
and since these mechanisms are identical on each
said trough including a bottom perforated for the
side of the shaft‘tiì, one of them will be described
major portion thereof that is over the tank bot- .
in detail. Accordingly,a journal er bearing block
tom and said remaining portion of the trough
39>
slidably mounted'onv the upper side of a rest
or Vsupport t!) for longitudinal >.movement thereon
bottom imperforate, upstanding Sides for the en»
tire length of the trough bottom, the trough hav
and receives the end ofY shaft 36 which projects 70 ing a receiving end above the tank bottom and
i through an _elongated aperture 4I in theside of
an open discharge end beyond the tank bottom, the trough, for‘exampleftrough side I5. Secured
alrecepta-cleat the dischargingend of the trough
to îand upstanding fromvthe rest 4I) is a block
for receiving material from the trough, power `
¿l2 having extending therethrough a threaded
actuated means within the trough movable’from
` aperture for a jack screw 43. It will be readily 75 the receiving end to the discharging end thereof - Y
2,412,400 '
6
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and power actuated means within the trough
movable from the receiving end to the discharg
ing end thereof for propelling and agitating the
material being processed, including a pair »of end
less ehains located respectively adjacent the in
for propelling and agitating the material being
processed, a removable cover for the trough ad
jacent its receiving end, and means at the dis
charge end of the trough for directingv the ma~
terial into the receptacle.
tank, said trough having a length with the major
ner surface of the trough sides, a plurality of
transverse bars extending between said .chains
and spaced longitudinally thereof, and a plurality
of teeth projecting from each bar and spaced lon
portion over the bottom of the tank and a minor
gitudinally thereof.
portion projecting beyond the tank bottom and
6.v In a strainer of the class described the com
bination with a tank, of a trough associated with
2. In a strainer of the class »described the com~
bination with a tank, of a trough associated with
the tank and having its -bottom above that of the
said trough including a bottom perforated for the
major portion thereof that is over the tankA boti
tom and said remaining portion of the trough
bottom imperforate, upstanding sides for the en
tire length of the trough bottom, the trough hav~
ing a receiving end above the tank bottom and
an open discharge end beyond the tank bottom,
the tank and having its bottom above that of the
tank, said trough having a length with the major
portion over the lbottom of the tank and a minor
portion projecting beyond the tank bottom and
said trough including a bottom perforated for the
major portion thereof that is over the tank bot
tom and said remaining portion of the trough
bottom imperforate, upstanding sides for the en
tire length of the trough bottoni, the trough hav
ing a receiving end above the tank bottom and
an open discharge end beyond the tank bottom,
and power actuated means within the trough
movable from the receiving end to the discharg
a removable cover for the trough adjacent its
receiving end, and power actuated means within
the trough movable from the receiving end to
the discharging end thereof for propelling and
agitating the material being processed.
3. In a strainer of the class described the com
bination with a tank, of a trough associated with
the tank and having its bottom above that of the
tank, said trough having a length with the major
portion over the -bottom of the tank and a minor
portion projecting beyond the tank bottom and
said trough including a bottom perforated for the
major portion thereof that is over the tank bot
tom and said remaining portion of the trough
bottom imperforate, upstanding sides for the en
tire length of the trough bottom, the trough hav
fill
ing a receiving end above the tank bottom and -
ing end thereof for propelling and agitating the
material being processed, including a rotatable
shaft at each the receiving and the discharging
ends of the trough, a sprocket adjacent each end
of each shaft interiorly of the trough sides, an
endless chain between and around the sprockets
adjacent each trough side, a plurality of trans
verse bars extending between said chains and
spaced longitudinally thereof, and a plurality of
teeth projecting from each «bar and spaced lo-n
gitudinally thereof.
an open discharge end beyond the tank bottom,
and power actuated means within the trough
movable from the receiving end to the discharg~
ing end thereof for propelling and agitating the
7. In a strainer of the class described the com
bination with a tank of a trough associated with
of toothed or rake~like members spaced one be
portion over the bottom of the tank and a minor
ì portion projecting beyond the tank bottom and
the tank and having its bottom above that of the
material being processed, including a plurality 40 tank, said trough having a length with the major
hind the other.
said trough including a bottom perforated for the
major
portion thereof that its over the tank bot
bination with a tank, of a trough associated with
the tank and having its bottom above that of the 45 tom and said remaining portion of the trough
bottom imperforate, upstanding sides for the en
tank, said trough having a length with the major
tire length of the trough bottom, the trough hav
portion over the bottom of the tank and a minor
ing a receiving end above the tank bottom and
portion projecting beyond the tank bottom and
an open discharge end beyond the tank bottom,
said trough including a bottom perforated for the
major portion thereof that is over the tank ‘bot 50 and power actuated means within the trough
movable from the receiving end to the discharg
tom and said remaining portion of the trough
ing end thereof for propelling and agitating the
bottom imperforatc, upstanding sides for the en~
material being processed, including a rotatable
tire length of the trough bottom, the trough hav
shaft at each the receiving and the discharging
ing a receiving end above the tank bottom and
4. In a strainer of the class decribed the com
an open discharge end beyond the tank bottom,
and power actuated means within the trough
movable from the receiving end to the discharg~
ing end thereof for propelling and agitating the
material being processed, including an endless
chain, and a plurality of toothed or rake-like
members carried thereby in spaced apart rela~
tion.
5. In a strainer of the class described the corn
ends of the trough, a sprocket adjacent each
end of each shaft interiorly of the trough sides,
an endless chain between and around the sprock
ets adjacent each trough side, a plurality of
transverse bars extending between said chains
and spaced longitudinally thereof, a, plurality of
teeth projecting from each bar and spaced lon
gitudinally thereof, and means operable on one
of said shafts for ymoving same toward and fro-m
the other shaft to properly tension said chains.
bination with a tank, of a trough associated with
the tank and having its bottom above that of the 65 8. In a strainer of the class described the com
bination with a tank, of a trough associated with
tank, said trough having a length with the major
the tank and having its bottom above that of the
portion over the 'bottom of the tank and a minor
tank, said trough having a length with the major
portion projecting beyond the tank bottom and
portion over the bottom of the tank and a minor
said trough including a bottom perforated for the
major portion thereof that is over the tank bot 70 portion projecting beyond the tank bottom and
said trough including a bottom perforated for the
tom and said remaining portion of the trough
major portion thereof that is over the tank bot
bottom imperforate, upstanding sides for the en
tom and said remaining portion of the trough
tire length of the trough bottom, the trough hav
bottom imperforate, upstan-ding sides for the en
ing a receiving end above the tank bottom and
an open discharge end beyond the tank bottom, 75 tire length of the trough bottom, the trough hav
' 2,412,400
7
8
ing a receiving end above the tank bottom and
an open discharge end beyond the tank bottom,
the tank and having its bottom above that of
the tank, said trough having a length with the
major portion over the bottom ofthe tank and
a minor portion projecting .beyond the tank bot
tom and said trough including a bottom perfo
rated fo-r the major portion thereof that is over
the tank bottom andsaid remaining portion of
and power actuated means within the trough
movable from the receiving endto the discharg
ing end thereof for propelling and agitating the
material being processed, including a rotatable
shaft at 'each the reeciving and the discharging
ends of the trougiua sprocket adjacent each
end of each shaft interiorly o_f the trough sides,
the trough bottom imperforate, upstanding sides
for the entire length of the trough bottom; the
an endless chain between and around the sprock~ 10 trough having a receiving end above the tank
ets adjacent each trough side, aV plurality of
bottom and an open discharge end beyond the
transverse bars extendingrbetween said chains
tank bottom, power actuated means within the
and spaced longitudinally thereof,V a plurality of
trough movable from the receiving end to the
teeth projecting from each bar and spaced lon
discharging er1-d thereof for propelling and agi
gitudinally thereof, and support means carried 15 tating the material being processed, means for
by each trough side interiorly thereof for V`supf
delivering material to the receiving end ofthe
porting the chains and parts carried therebyy dur
trough, and a removable cover for the trough
ing movement.
,
9. In a strainer of the class described the com
bination with a tank, of a trough associated with
receiving end.
Y
g
.
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l ALVIN HOCK.
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