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Патент USA US2107866

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Feb. 8, 1938.
Filed sept. e, ' 1952.
7 Sheets-Sheet l
Feb. 8, 1938.
c. c. LAMB
7 Sheets-Sheet 2
/A/ VEN roe
¿1w/,€1.55 Cm wey-MM5
Feb. 8, 1938.`
c. c. LAMB `
2,107,855 Y
Filed Sept. 6, 1952
7 Sheets-Sheet 3
Feb. s, 1'938.
C, ¢_ LAMB
Filed Sept. 6, 1932
'7 Sheets-Sheet 4
Feb; a, 193s.
¢_ ¢_ LAMB _
Filed Sept. 6; '1952
‘7 SheçtS-Shee‘b 5
Feb. 8, 1938.
C, c. LAMB
Filed Sept. 6; 1932
7 Sheets-Sheet 6
Feb. 8, 1938.Í
c. c. LAMB
i 2,107,866.
Filed sept. e, 1932
v sheets-sheet 7
Patented Feb._8, 1938
>ohm-les Calvert Lamb, chicago, nl. 'Y
Application' september s, 1932, serial Ne. 631,809 "
15 Claims.
(Cl. 68-38) '
i The invention relates to a`met`hodvof, and
It is e still further object of the invention to
means for cleaning materials such as fabrics,
provide a self-contained reservoir in the appa
-ratus to enable the fluid to be'retained intact in
¿furs, leather and similar materials, and its prin
'l cipal object consists in providing a novel method
the apparatus after the .cleaning process, and to '
le1. 4 of, and means for, cleaning materials in a safe,
permit the fabrics to be sprayed and rinsed
' sanitary, expeditious and yet efficient manner.
. under centrifugal force. and the rinsing medium
It is' a further object of the invention to pro
vide a novel method of, and means for, cleaning
materials in an inexpensive, rapid manner with`-
to be removed from the apparatus again under
centrifugal force Without coming in contact with
the cleaning ñuidin-the reservoir andsubse
quently to return the fluid into the container
under gravity preparatory to the next cleaning
10. out sacrificing eiïiciency of the cleaning process.
It is a further object lof the invention to pro
vide a novel method of, and means for, cleaning
materials, whereby a cleaning fiuid of high or . ` It is also an object of the` invention to provide
low flash point may be used without entailing «certain details of construction and arrangement
any danger of combustion or explosion.
tending to enhance theeñiciency and utility of
It is a further object of the invention to pro
>an apparatus of the character described.
vide a novel method of, and means for, cleaning
with these and other equally important ob- '
materials whereby thecleaning fluid is brought
in contact with the material tobe cleaned under jects in view which will become apparent from a
perusal of the invention, the latter comprises .
20 the exclusion of any gasifying or vaporizing,
the means and novel steps described in the fol 20
~ media-whereby the cleaning process might be
impaired or defeated.
lowing speciñcation, particularly pointed out in
l the claims forming a part thereof, and illustrated
, It is a further object of the invention to pro
_vide a novel method of, and means for; cleaning
in the accompanying drawings, in which
materials wherein during the entire cleaning
*process the original volume of cleaning fluid is
maintained or, preserved,'enabling thereby re
peated use of~ the cleaning fluid for subsequent
structed in >accordance with my invention, parts 25
being ’shown in section "to disclose interior con
' cleaning processes.
A- further object’of theinvention aims atl pro-_
viding a novel method of, and means for clean
ing materials wherein the cleaning fluid is pre
` vented from vaporizing ongasifying, so that
Aduring any stage of the cleaning process the _
action of the fluid in vremoving impurities,
`greases or other contaminations is maintained at
the highest degree of efliciency.
'It is also an object of the invention to pro
vide à novel method, and means for cleaning ma
terials tol prevent the fluid from reaching its
saturation point, enabling thereby repeated use
«of the fluid, before being returned for reclaim~ing.
¿It is still a further object of the invention to
provide a novel method-of, and means for; en
abling the fabric to be sprayed or rinsed under,
centrifugal force.
It is also an object of the invention to pro-Y
vide a container for the reception of articles to
be cleaned, which has an opening and egress
ports, which container is journaled in a casing
to execute an oscillatory movementv with thecasing and an independent rotar/y movement,
said opening and ports being closed during oscil
lation and open during rotation.
» Fig. 1 is a top plan view of an apparatus con
Fig. 1a is a fragmentary detail view of a tube
for‘the ingress of air.
Fig. 2 is a side view of the apparatus.
_ Fig. 3 is a frontelevational view oi' the appa
Fig. 4 is a. section on the line I-l of Fig. 1.
Figf5 is an elevational section through a cas
ing and container which is slightly modified.
Fig. 6 is a detail view of a valve.
Fig. 7 is a horizontal section ‘through a further
modification of the container.
> Fig. 8 is a. detail view of a bearing’ plate secured
to the casing.
' Fig. 9 is a section throughs; door in the casing
controlling an opening in the container, and
Fig'..10` is an elevational section through an
other‘modiflcation o_f the container.
- The machine‘coxnprises va. base plate i0 of oval
-shape which 4at the edge is curved downwardly as
at I i to aiïord stability to the machine supported
on said plate.` To the base plate is- secured in -
any approved or convenient manner a housing 50
I2- also of oval shape and made up of sections
lZa, I2b and |2c in superposed relation and se
cured together bylugs ild and screws lleto‘
provide a. housing of desired height to afford pro
tection against contact with moving parts of the
inner container 39 and passing .through the
bearing 4I. A supporting collarv 54 maintains
machine and` toy afford a support for the main
shaft ofthe
the stud 53 and thereby the inner container 39
To this end the housing section I2c is provided
aty the left side as >viewed in Fig. 1 with a bearing
against displacement in downward direction.
block I3 provided with a semi-circular recess and
having a top I4 formed with a similar recess to
surround a hollow shaft I5 projecting at right
a. valve seat and bontrolled by an automatic
angles to the longitudinal axis of lan oval outer
casing I6 comprising two sections bolted together
10 as at I6a (Fig. 3).
At the opposite side the
casing I6 has a solid shaft I1 ,fjournaled in. a
split bearing I8 formed integral with the housing
section I2c. The bearing I8 has an extension
I9 terminating in an lintegral split bearing 20
15 in which is journaled a stub shaft 2l constituting
the drive shaft for 'actuating the machine form
ing the subject matter of the invention. A
horizontal bracket 22 projects from the housing
section |2c and has pivotally secured thereto
the intermediate portion of a shift lever 23 pro
vided at the free end with a handle 24 and ter L
-The tube 45 is in communication with the in
ner container 3.9 by an opening 55, constituting
valve 56 whose stem 51 projects past the outer
lend of the tube 45 so that upon applying the
pipe 41 Yto cause inflow of the cleaning ñuid a. 10
lug 58° of the elbow 46 forces the stem 51 inward-4 .
ly to open the valve 56 against the pressure of a
spring 58 provided in the tube 45 and contacting
at one end with a perforated partition 59 and
at the other end with a collar 60.
The valve _
stern 51 is guided in its reciprocating‘motion vby
the' perforated partition 59 and an additional
perforated partition 6I.
_ -
The inner container 39 is madel up of two
shells 60’ and 6I’ of suitable material’which com
plement each other to> form a complete oval
minating at the other end in a yoke 25 connected ` container.
The shells 68’ and 6I’ areY formed at the inner `
with a clutch sleeve 26 adapted to couple shafts
ìwith a circumferential flange 62 provided
2i and I1 or to release shaft I1 depending on
a circular series of holes 63 for. the pas
-'the position of the sleeve caused by actuation of with
sage of bolts to secure the shells together after
the lever 23.
The stub shaft-‘2l has secured to its outer end a packing gasket-64 of corkf rubber or other
a hub 26 by across-pin 21, and integral with suitable packing material has- been interposed
said hub is a depending arm 28 which continues between the flanges 62. Ports 65 are provided 30,
in said gasket at equal intervals around the en
30 downwardly equi-distant from the extension I9,
and the housing I2 to terminate in a gear sector tire circumference of lthe gasket.
is calledvto the factthat- the shell
29 concentric to the stub shaft 2I and in mesh "6I'Attention’
is slightly longer -than the companion shell
with a rack 30 slidingly supported in a bracket
3I secured to the housing section I2a by screws
V35 or by any other conventional or approved means.
The rack 30 is connected-to a pitman'32 whose
other end is pivotally connected to the side of
a worm wheel 33 by a pin 34 arranged in a cas
60' in order to cause junction of the shells to
be situated to one side of the transverse center
of the outer casing I6, where the outlet for the
iiuid is provided as hereinafter further explained.
A spring band 66 surrounds the gasket 64 (Fig.
ing 35 integralwith the housing section I2a. 'I'he
1) arranged between flanges 62 and is held in
maybe transmitted to the shaft I1 and outer
casing I6I’for a_purpose hereinafter further ex
A The outer casing I6 surrounds an inner con
tongs are partly received in a closed casing 12
secured to the outer casing I6 by bolts" `13.
The casing has an adjusting screw 14 which ex
tends through the wall of casing 12 and is held
tainer 39 which is concentric to the outer casing
and throughout its periphery maintains an equal
distance from the outer casing, except at the
yoke 16 is arranged on the screw 14 whichvupon
worm wheel -is in mesh with a' worm 36 fast on 'position by means _of guide pins 61, secured in 40
-a shaft 31 of a motor 36 secured to the base plate ' appropriate manner to the casing.
lband 66 at the upper side is open andl
Il. From ‘the foregoing it is obvious that upon itsThe
are provided `with gibs 68 controlled
running of the motor 38 the gear 33 -by the pit
a pair of tongs 69 Ipivotally secured to a pin '
`man 32 will impart a reciprocating motion to the by
rack` 30 l,causing oscillation of the sector _29 and 10 and extending through a slot 1I in the. outer 45
therewith of the- stub l,shaft 2|, which motion casing I6 to 'contact with said gibs. The
.T'I'he inner container is supported- in bearings
46 and 4I provided in the apexes of the outer
casing I6 land thus the bearings are'in longi
tudinal alignment at right angles to the axis of
oscillation of the outer casing. . l
The bearing 48 comprises a. tubular member 42
closed at the inner side by a wall 43 and having
an opening 44 foî'the passage of a tube 45 in-`
which also seal the opening against leakage. A
rotation, respectively, causes lowering or raising
of the yoke whereby the tongs are either com- .
pressed or expanded to close or open the band
and consequently the portsv 65.'
The outer casing I6 is formed with a circum
ferential trough 11 to divert iiuid into -the hollow
shaft I5 which iiuid aggregates at the center of 60
the container under centrifugal force, and thence
escapes through said shaft and a pipe 18 con
trolled by a valve 19 (Fig. 3)» to a receptacle
(not shown) or back to the source of supply.
The shaft I5 is also in communication with a pip '- 65
46 of a pipe 41 provided with a valve 48, which 80 provided/with a. valve 8| and having atmos
pipe leads to a source of fluid supply» adapted. pheric communication for the egress of a cur,
to be used for the cleaning or dry 'cleaning of' rent of fresh air from the inner container while
, fabrics arranged inthe inner container 39. The ` rotating about its longitudinal axis after ,_ all
bearing 4l has packing rings 49 and 58 abutting cleaning fluid has been removed, so as to cause 70
the wall 43 and a radial and eni thrust bearing the removal of any trace of odor that may be
5I covered by> a ring 52 having press ñt with " left in the articles. The air current or, if desired
a fluid, is admitted through a tube 82 fitting over
thebearing. The bearing 4I is constructed simi
larly to bearing 49 and‘supports for rotation a the bearing 40 (Fig. la) and its lug 83 opens the
soliti stud 53 projecting from the apex ‘Qf the valve 56 permitting air or ñuid to ilow past said 75.
'tegrai with theíapex of the inner container as
and projecting past the opening 44 arid through
65 the bearing 46 to temporarily receive anelbow
against longitudinal movement by washers 15
is _removed through the ports 55 into the inter
' space between the outer and inner containers I5
and 39, respectively.
«valve into the container J9 and the air or fluid
actuation of the adjusting screw IM. 'I'here-upon, the Vadjusting screw 14 is actuated to close
the band and the ports 55 to furtherhermetically
. seal the inner container. ‘
Fan blades 8l secured to the‘tube 45. and the
stud 53 set up eddy-currents and cause the air
or fluid to escape through the shaft l5 and pipe
vAfter thepipe l1 has been applied and the ci
valve 5I opened, the valve 48 is opened to permit
ingress of the fluid into the inner container.
l0 to the atmosphere. Of course at that time the> ' Then the pipe 41 is detached, whereby the valve
I valve 8| is open and the valve 19‘is closed.
Rotation is imparted tothe inner container as.
The motor shaft 31 is provided with a grooved
pulley 85 which is in alignment with a pulley IO
yfast on a stub shaft 81 supported in bearings I8
15 upstanding from the base plate I0 (Fig. 3). A
belt 89 is trained around pulleys l5 and l5;
The inner end of the stub shaft'l'l is provided
with a helical> pinion 90 adapted to mesh in true
pitch .line with a mating helical gear 9| secured
20 to the stud 53 when the innerv container is ink
vertical position (Fig. 3) for extracting purposes.
In such position the outer casing is held locked
(as shown in Fig. 3) by a pin 92 entering> a‘recess _*
931m housing section |2c (Fig. 2) and locked
25 therein by a dog 94 against displacement. To introduce the fabric into the inner container 39 through the outer casing i5 a door gen
56 is closed so as to completely and hermetically '
seal the inner container against the escape of
fluid. If the casing and container are in vertical
position they are p1aced“in horizontal position,
and the shift lever 23 is actuated to impart os
cillatory movement to the shaft 2|.
oscillation of the Shaft entails oscillation of'
both the outer casing and inner container
through the agency of therack 30 and sector 29.
After the fabrics are thoroughly cleansed, the
casing and container are placed in yertical posi
tion and locked by the agency of the dog 94. 20
Then the valve 19 is opened and the inner doorV
9_9 is released by actuating the screw |04 to dis
connect the inner casing from the outer con
ltainerand enable free rotation of said inner con- '
tainer. Subsequently the adjusting screw ‘I4 is
actuated to release the band 65 and permit pas
sage of the fluid through the open ports 65.
erally designated by 95 is provided (Fig. 9) which
Fluid can then pass out through the pipe~`l8
is hingedly secured to the outer container as at
The door 95- engages with' an upstanding
flange integral with the outer casing there- being
under the centrifugal force lof the inner con- f
a packing gasket interposed between said flange
and said door to insure hermetic sealing. The
door is provided with an inwardly projecting tu
The fluid is then removed to a receptacle or to
the source of supply, as the case may be. After
30 96.
tainer which is being rotated by-_virtue of the 30
engagement of its pinion 9| with the pinion 90.
removal of the fluid, the valve 19 is closed, the
bular member 96 of round or oblong cross section ' pipe 82 is placed over the tube I5 and bearing 40
’ and is telescopìngly fitted in an upstanding tubu
to open the valve 56 to permit fresh air or fluid to
-lar flange 91 conforming to the contour of the ingress into the container and to sweep through
flange 96 but smaller than the opening 98 which _ the interval between the casing and container
.the door 95 covers. AThe flange 91 is integral aided by the _centrifugal yforce set up by the rota
40 with a second door 99 closing'an opening |00 in tion of the inner container and the fan blades and 40
the inner container by engagement witha flange escapes through the shaft I5 into the pipe 80 after
|5| with the interposition of a sealing gasket In! _the valve 8| has been opened to egress into the
to hermetically seal the container _during the
rotation of the fan blades at .
that time sets up eddy-currents aiding in sweep-l
ing the air or fluid from the outer container into
' adjusting screw. IM held against longitudinal ' the shaft |5,' so that when the said door, 95 is
cleaning process. The door 99 has an_upstand45 ving sleeve .|03 -in which enters the stem of >an
movement by washers |05 which seal theopenin
opened, all gases _are completely scavenged out of
the machinev and no noxious gases remain either
, > By means of this door it is'possible to her
^ in the machine or in the cleaned fabrics, tending
for the passage of the screw.
50 metically close the inner container' _so that no
leakage or seepage occurs during the cleaning
process while the container is being oscillated.
To‘rotate the inner container it is necessary
to release the same by adiusting the door 99 to
release the flange IUI, and yet no noxious gases
>are permitted to escape into the room to harm
the operator, as the centrifugal force set up by
the rotation of the inner container causes the
fluid to ñow toward the center of the apparatus
60 between the Atwo containers and there to escape
'through the hollow shaft |5.
In operation,‘the casing I6 and the.l container
I9 may be arranged either in horizontal position
or in vertical position’for the purpòse of`per
- mitting fabrics to bevintro’duced into the inner
container for cleaning.
' To this end, the ldoor 95 is 'swung into open
to harm or injure persons operating the machines.
The modificationl shown in Fig. 5 is in all re
spects identical with the embodiment described in
connection with Figs. 1 to 4, inclusive, except that
the inner container 39' is made of glass or other '
non-corrosive material.
The tube I5' isA connected to the inner con
tainer 99' simultaneously when the latter is be
ing molded. To this end, the tube 45' is provided
with laterallugs |95', which are imbedded in the
apex of .the inner container to be functionally in
tegral with said container and to be anchored
against longitudinal displacement. '
The modification shown in Fig. 7 is distin
suished from the previously described modifica
tions in that the inner vcontainer 39" consists only
of a lower shell, while the upper shell is omitted,
position, the ‘second'door 99 being ._so dimensioned - and the outer casing l5’ is provided with an an
nular shoulder |06 forming a seat for the upper
¿as to easily pass the opening 99 -in the con
.of the inner container shell, and having
tainer I5.
Afterßintroducing the fabrics and’closin'gy andy
locking the outer door 95 by _means of a dog |05
so „that casing i5y and'container 39 are her
metically sealed, the inner »door- is secured in
" tight engagement with 'th'. inner container by
means for preventing displacement of said inner
containerl while in rotation or during oscillation.
.The outer casing is provided-on the inside with
anupwardiy extending flange to form a. trough
'I1' and the container has a plurality of ports ß' _
2,107,366- f
which may be opened or closed by a- spring band
Cleaning liquid is introduced through the -valve
56’ and enters the container 39". >Upon turning
the container 180° the ñuid escapes through the
open ports 65’ while the extractor is rotated.
.v The trough 11' directs the fluid to the hollow shaft
I5’ whence it escapes back to the source of supply '
'a common axis, and means for rotating said con
tainei-I about an axis at right angles to said com-y
\ mon axis.
» `
2. In a machine of the character described, a
container, a casing 'surrounding said container, a L 5
door in said casing controlling an opening in said y
container, means for continuously oscillating said
container and said casing in uñison about a com--
mon axis, and means-for rotating `said container
only in apredetermined position about an axis at l0
' '(not shown) by opening the valve 19’.
Upon opening the valve 80’ air may be intro
duced through the valve 56’ to remove traces of ' right angles to said common axis.
3. In a machine of the character described, an
noxious gases.
oval container having an opening, a. casing con-`
The hollow shaft I5' and the solid stud 2|' :are
each provided with a bearing plate |01 which is
centrically surrounding said container', `a door on _ Y
secured to the outer casing I6' by a plurality of
said casing, means on said door to seal said oen'- 15
ter opening, means for oscillating said Icontainer
screws |08. _
The modification shown in Fig. 10 is distin
guished from the ñrst described modiñcation by
and said casing about a common transverse axis, .
the manner of supporting the inner container to
its longitudinal axis. Y'
j20 permit simultaneously` rotation and oscillation
thereof, so that no vibration is imparted to `the
outer structure of the machine.
As shown,- the inner container II I is supported
at one end "with an adjustable socket II2 ‘having
25 pins II3 entering holes in the wall of the casing
and means for rotating said container only about
`4. In a machine of the character
'a container, a casing concentrically
ing . saidv container and supporting
means for admitting a iiuid to said
the same.,
means for permitting egress of said ñuid, said
container being normally hermetically sealed,
|14. An adjustment screw H3’ held against lon- „ ,means for „continuously'voscillating said container
gitudin'al movement in a hub I I5 of the casing I |4 and said casing about a common transverse axis,
and means for rotating said container only about
enters with its stem in the socket I I2.
At the other end of the container its end wall
its longitudinal axis.
30 IIB is formed with an opening II‘I to encompass
5. In a machine ‘of the character described, a
a ball I |8-of a valve housing ||9 containing a
container having an inlet opening and outlet
ports, a casing surrounding said container and
supporting the same, means actuated extraneous
valve |20 controlling the admission of fluid. The
valve housing H9. is‘supported in a bearing |2|
and is equipped at the upper end with a helical'
35 wheel |22 meshing with a helical pinion |23 fast
on a shaft |24 supported in a bracket bearing |25
secured to the standard |26 of the machine frame.
A pulley |21 fast on- the shaft |24 is belted to the
pulley |28 fast on the stub shaft |29. When the
container is to be oscillated-and rotated at the
same time, then the socketl I2 is withdrawn from
contact with the inner container III, so that the
latter is suspended from the ball ||8l and can
execute both an oscillatory and rotary movement.
Oscillation is imparted by the depending varm
_28 and the gear sector 29 which meshes with the
rack 30, »the same-‘as has been described in con
nection with the _ ñrst described embodiment.
' The container is locked against rotation by the
socket ||2, after adjusting the screw II3' so’v that
the casing I|4 can only oscillate in unisonwith'
the container. After the material in the contain
_ er- I I | has been cleaned and the machine is turned
in vertical position as shown in Fig. l0, the screw
|I3'r` is adjusted to‘release the container I II leav
ing it suspended on its ball support I I1.
If there is any overload or unequal distribution
of the load lthe 'container will vibrate during ro
.ly to said casing for sealing said ports in said
container and releasing.' the same, means for
sealing said opening, means for continuously os- .
cillating said container and said casing about a
common transverse axis, and means for rotating
said container about its longitudinal axis.
6. In a machine of the character described, a.
containenhaving an inlet opening, a casing sur
rounding said container and rotatably carrying
the same, means on `said casing for closing said
inlet opening and thereby- rigidly connecting said
container and casing, means for oscillating said 45'
containeriand said casing about a common ltrans
verse axis, `and means for rotating said‘containe'r
about its longitudinal axis after release of its in
let opening.
7. In a machine of the character described, a
casing, a container journaled‘with axially aligned ’
studs in said casing, means for continuously os-`
cilla‘ting said casing and said container about an
axis transverse' to said studs-to prevent the for
mation of gases in the head room, and means 55
for rotating said- container only about its studs.
8. Ina machine- of the character described, a
casing, a container journaled at its ends in said
tation but. will not permit such vibration to be
casing and having circumferentially arranged
.60 transmitted to the casing or entire structure
ports, means' adapted to close and openl said
of the machine.
While the drawings show preferred embodi
ports, means extraneous to said casingfor actu- `
ating said first -named means, means for‘oscii
ments of 'the invention, numerous changes and lating said casing and said containerA about a
alterations may bemade without departing from ‘ common axis,- and means for rotating said con
65 the spirit of the invention. I, therefore, do not tainer about an axis at right angles to said _com- l
mon axis._"
limit myself to the vdetail‘sof construction and ar
9. In a machine of the character described, a rangement of parts, as shown, nor’tothe sequence
of steps of the method, as described, but-claim my casing, a container journaled at its ends in said
casing and having an inlet opening and a series
invention as broadly as the state of the ~"art per
of ports, a spring band actuated extraneously to 70
said casing sealing said ports, means for oscil
1. In a machine of the character described, an lating said casing and said container in unison,
inner container, an outer casing surrounding said and means for rotating said conta'incn
10. In amachine of the characterl described, a
inner container, means for continuously oscillat
ing said container and said casing in unison about casing, a container journaled at its ends in said 75
I claim:
- casing and having an inlet opening and a. series
of outlet ports, a spring band actuated extra
À "neously to said casing ,for covering and sealing
said ports, a door on said casing admitting access
casing, a container surrounded by sald_casing,
means for suspending said container from said
casing for universal movement, means for releas
vl to said inlet opening and sealing the same, re
ably locking said container against rotation,
spectively,- means for admitting a iluid into said
container, and means for exhausting the duid
` under centrifugal force.
means for oscillating said casing and said con
tainer in unison, means for rotating said con
11. In a machine of the character described, a
10 casing, a container journaled at its/ends in said
casing and having an inlet opening for articles
Y to be introduced and a series of outlet ports, a
spring band'actuated extraneouslyv to said casing
_for covering and sealing 'said ports, a door on said
15 casing aiïording access to said inlet opening and
sealing the same, respectively, means for selec
tively introducing :duid and _a-ir to said container,
means for oscillating said casing and said con
, tainer in unison, and means for exhausting the
20 fluid and the air under centrifugal force.
12. In a machine of the character described, a
5 ,
13. In a machine of the character described, a
tainer, and a means enabling said container to
vibrate during said rotation.
14. A method of cleaning materials, comprising 10
the steps of introducing materials into a. perfo
rated container, sealing vsaid container, intro
ducing a volatile ñuid into said container, main- "
taining said ?uid in a non-gaseous_state during
the cleaning process by continuously co-min- l5
gling the ñuid and evolved gases, subsequently
opening said container, and removing the iluid
from the materials and the container under cen
trifugal force by rotating the container.
15. _A method of cleaning materials, compris- 20
ing the steps oi' introducing materials into a per
casing, a container‘journaled. at its ends in said
casing and having an inlet opening and a series
of ports, a spring band actuated extraneously to
forated» container, _sealing said container, intro
said casing and encompassing said container for `
the cleaning process by continuously co-mingling 25
closing and uncovering said ports, a door on said
casing‘aii'ording access to said inlet opening and
sealing the same, respectively, said casing having
an opening adapted to communicate with said
ports, means for oscillating said casing and said
container in unison, and means for rotating said
container ,independentlyloi' said casing.
ducing a volatile iluid into said container, main
taining said fluid in a non-gaseous state during
the iluid and evolved gases, subsequently opening
said container, removing the iluid fromthe ma
terials and the container under centrifugal force
by rotating the container, and eliminating odor
and traces of said iluid from the materials.
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