вход по аккаунту


Патент USA US2124581

код для вставки
‘ July 26, 1938.
Filed NOV. 28, 1953'
15 Sheets-Sheet l
July 26, 1938. '
R. 'LUTHI ..
“ ' ‘2,124,531
Filed Nov. 28, 1933
15 Sheets-S?eeJ; 2
July 26, 1938.
Filed Nov. 28, 1933
l5 Sheets-Sheet 3
July 26, 1938.
Filed Nov. 28, 1933
> 7 '
15 Sheets-Sheet 5
33214 ’‘’~
July 26, 1938.
Filed Nov. ‘2a, 1955
To Mac/zine Canz‘m?
£88 ‘a;
6 II
15 Sheets-Sheet 6
July 26, 1938.
2,124,581 '
Filed Nov. 2a, 1933
15 Sheets-Sheet 7
mmal§nii -
g‘ '3"
by I’;
_ "(m
‘I'll/11111111111111 ‘
§\\§ II¢Z
*§ I
\ I
\ I -
July 26, 1938.
Filed Nov. 28, 1933
15 Sheets-Sheet 8
lNvENl'gil ‘
BY M , L0
July 26, 1938.
July 26,1938.
Filed Nov. 2a, 1933
15 snee'ts-shéet 10
5529.2 + 2,,
my 26, 1938.
_ 2,124,581
Filed Nov. 2a, 1933
15 Sheets-Sheet 12’ '
July 26, 1938.
Ffiled Nov. 28, 1933
15 Sheets-Sheet l3
July 26, 1938.
Filed Nov. 28, I935-
15 Sheets-Sheet 14
July 26, 1938.
Filed Nov. 28, 1933
15 Sheets-Sheet 15
Patented July 26, 1938'
‘ 2,124,581
Robert Luthi, Newark,- N. 1., assignor'to Ameri
can Can Company, New York, N. Y., a corpo
ration of New Jersey
- _Application November as, 1933, Serial No. 700,156
22 Claims. (01. 226-98)
The present invention relates broadly to vac
containers, which cannot be operated unless there
uum syruping food products and has particular is an adequate supply of syrup for ?lling purposes.
reference to an apparatus for subjecting the in- >
A further feature of the apparatus under con
terior of the can to a vacuum to remove air not sideration is the provision of a central valve con
5 only from the can, but also in large part from
the cells of the product and then adjusting the
vacuous condition for thesyrup ?ll so that when
syruping takes place the syrup ?lls the can only
to the height desired at the same time protecting
10 the can wall against collapse or distortion.
The present invention contemplates the asso
trol associated with the syrup tank which is used
for separating liquid ?lling passages and vacuum
izing passages when the apparatus is ?lling cans
but which is also adapted for emptying of the
tank of syrup after the day's run or when ‘a
change of syrup is made.
Yet another object of the invention is the
ciation of mechanical devices for receiving cans, - provision of a no-can no-operation device in a
partially ?lled with solid contents such as fruit
. or other cellular products, and conveying these
16 cans into ?lling position where a part of the
exterior can wall‘is supported and protected
against. collapse or- distortion, while the interior
of the can, as well as the fruit cells, are vac
uumized, preferably with .a high vacuum and
syrup is then ?lled intov the can to a predeter
‘ mined height.
A simple and desirable manner of vacuum ?ll
ing contemplated'in this invention is the step
of vacuumizing the fruit ?lled can at a maximum
25 degree 'of vacuum regardless of the amount ‘of
syrup??ll desired and the vacuous condition in
vacuum ?lling machine which is associated with
the ?lling head unit and with the vacuum ?lling
valve and this device prevents the valve operation
in the absence of a can to be ?lled.
The invention contemplates other mechanical
features in an apparatus of simple construction
wherein those parts of the machine subjected to
the ?llingliquid my be readily dismantled and N 0
removed 'for the purpose of cleaning, this feature
permitting rapid changing over of the machine
to handle different grades or kinds of syrup and
adapting the machine to small cannery uses where
relatively small batch ?lling is necessary.
' Numerous other objects and advantages of the 1
the can is then altered and a desired degree of‘ invention will be apparent as it is better under
vacuum is established by the introduction of a stood from the following description which, taken
small and exact amount of air, such amount‘of in connection with the accompanying drawings,‘
30 air being predetermined in accordance with the - discloses a preferred embodiment thereof.
amount of ?lling required. After the filled can
Referring to the drawings:
is removed from the ?lling apparatus it is pref
Figure 1 is a plan view of, an apparatus em
erably introduced into a vacuum closing machine '
where ‘it may be vacuumized and sealed in the bodying the present invention, parts being broken
36 usual manner.
' Fig.v 2 is a fragmentary plan detail of a part of
An object of the invention is the provision of the
valve locking device;
apparatus for automatically and accurately per
Fig. 3 is a perspective view of the valve part
forming the steps of vacuumizing' and ?lling cans
with a. liquid while protecting their walls against a shown in Fig. 2;
40 distortion, the control of the cans, air and liquid
being‘ such as to effect rapid and uniform ?lling
of the can ‘to a predetermined height without
spilling and without variation.
I ,
Avfurther object of the invention is the pro
45 vision ofan apparatus of the character described
which automatically receives cans in untimed re- '
Fig. 4 is an enlarged transverse sectional; view
taker; substantially along the-broken line 4-4 in
Figs. 5 and 6 are plan sectional views taken
substantiallyv along the respective broken lines
5—5. 6-6 in Fig. 4; .
Figs. 7 and 8 are enlarged fragmentary sec
lation and timesthem with the various move-. tional details taken substantially along the re
ments of the apparatus, positioning the cans to spective lines 1-4, 8-8 in Fig. l;
Fig. 9 is an enlarged, broken sectional 'view
' expose their open ends ‘to a ?lling head without
50 enclosing them into a chamber, and while under taken substantially along the broken line 9-‘! in
' automatic valve control the cans are vacuum
ized, "?lled and discharged as uniformly liquid
The invention also contemplates the provision
of an apparatus, for vacuumizing and syruping
Fig, 6;
Fig. 10 is a plan sectional view, partly broken
away, taken substantially along the broken line
Ill-l0 in Fig. 4;,
Fig. 11 is an enlarged sectional view of the 55
- 2
liquid supply tank illustrating in section‘what is
?lling head units connected with the tank and
shown in the upper central part of Fig. 4;
located Just outside. Can lifting units are also
Fig. 12 is an enlarged fragmentary sectional, carried by the turret. each lifting unit being in
view of a cam lifting unit as viewed substantially
along the line l2-l2 in Fig. 5;
axial alignment with and directly beneath each ‘ -
Fig. 13 is an enlarged transverse sectional view
taken substantially along the line l3-l3 in
_ Cans usually partially ?lled with food or other
cellular contents are introduced into the machine
Fig. 1;
10 taken substantially along the line l4-i4 in
Figs. 15 and 16 are plan sectional views taken
‘Figs. 17, 18 and 19 are enlarged plan sectional
details taken substantially along'the section lines
i‘l-il, iii-i8 and iQ-IQ in Fig. 4;
_ Fig. 20 is an enlarged transverse sectional view
20 tially along the line 20-20 in Fig. 10; I.
Fig. 21 is an enlarged‘ sectional detail taken
substantially along the line 2l-2I in Fig. 16;
Fig. 22 is a fragmentary plan detail of one of
the ?lling head and valve units;
Fig. 23 is a front elevation of the same;
Figs. 24 and 25 are plan sectionalgviews taken
substantially along the lines 24-24 and 25-25
in Fig. 23;
Fig. 26 is‘ a transverse sectional view taken
30 through one of the ?lling head and valve units,
being a section taken substantially along the
line 26-25 in Fig. 23;
can travel, space and time the cans forv proper
_ feeding into the apparatus.
Thesetimed cans.
are then progressively engaged by a rotating can
feed-in starwheel which conveys them into the 15
turret and positions a can upon each of the can
Rotation of the turret carries the Cams on
their can supporting units in a circular path of
travel during which time a cam track operating 20
through the supporting units raises each can
into engagement with its associated ?lling head.
At the time the can is being raised part of its
outer wall is being engaged and guided by a half
mold or ?xed jaw carried on the support.
A complementary movable jaw carried by the
?lling head also cooperates to engage the other
half of the can wall moving into place ‘with av
double jointed hinging action.. These ?xed and
movable jaws prevent any radial movement of 30
the can wall during a vacuumizing step of the
can which follows.
Fig. 27 is a view similar to the upper portion
A rotating valve member associated with each ._
of Fig. 26 illustrating the partial removal of part
?lling head controls vacuumizing and liquid ?ll
35 of one of the valve units from the ?lling head
The threads of this screw engage 10
' supporting units.
shown partly in elevation, 'being viewed substan
pass them between guide rails and adjacent a
timing screw.
between adjacent cans and while retarding the
substantially along the respective lines l5-l5,
l6-i6 in Fig. 13;
- on a pair of horizontal conveyor chains which
- Fig. 14 is an enlarged sectional-detail fragment
Fig. 1;
?lling head.
ing of the can. 'I'his'valve is set for action only
when there is a can present to actuate‘a no-can_- -
. Fig. 28 is a sectional detail taken substantially . no-operation device.
along the line 28-20 in Fig. 27;
Figs. 29, 30 and- 31 are plan sectional views
40 taken through the valve unit and illustrating
different valve settings, these sections being .taken
substantially in the vertical'position indicated
by the section line 25-25 in Fig. 23;
There is no valve move?
ment of a particular valve unit during one cycle
of operation if its can supply is empty.
With a can properly placed the valve associated
with its unit is ?rst actuated to establish com
munication between its interior and a source of
vacuum. Following withdrawal of air from the
Figs. 32, 33 and 34 are schematic transverse can and from various passageways of the ?lling
45 sectional views of the valve showing a part of the , head, these passageways and the interior of the 45
can, the ?rst of these views being taken substan
can are closed oil from the vacuum source. The
tially along the line 32-32 in Fig. 29, while Figs. vacuumizing and the following locked vacuum pe
33 and 34 are taken substantially along the re
riod take place while the turret continues to re
spective broken lines 33-33 in Fig. 30 and 34-34 volve and while the can advances along ‘its cir-l
50 in Fig. 31;
cular path of travel.
A further actuation of the valve which follows 59
then establishes communication between the in
Fig. 36 is a schematic view similar to Fig. 32 - terior of the can and with a closed chamber con
being a built-up section as viewed along the taining air at atmospheric pressure. The exact
volume of the air in this chamber has been ac
55 broken- line 36-36 in Fig. 35;
Fig. 37 is a schematic view illustrating the' curately predetermined in accordance with the 55
valve parts in the same positions as in Fig. 32 amount of liquid ?ll desired in the can and is
' but showing the ?lled can being removed;
adjustable in amount. For a given run of cans,
Fig. 38 is a fragmentary joint plan and plan however, each succeeding can receives the same
.60 sectional view of the vacuum liquid trap with‘ amount of air from this chamber. the air ?ow
Fig. 35 is a plan sectional view similar to Fig.
29 and illustrating a di?erent valve position;
adjacent connections;
ing intov thevcan expanding and reducing the
Fig. 39 is a transverse sectional view taken sub
stantially along the broken line 39-39 in Fig. 38;
Fig. 40 is a plan' sectional view taken substan
65 tially at an‘ elevation indicated by the line 40-40
in Fig. 39;
~ — ‘
Fig. 41 is a transverse sectiona‘idétail takenv
substantially along the line 4l-4l in Fig. 39;
‘Fig. 42 is a/ transverse sectional detail taken
70 substantially along the line 42-42 in Fig. 38; and
' Fig. 43'is a! plan sectional detail taken along
the line 43-43 in Fig. 39. ‘
The apparatus embodying the presentv inven
degree of vacuum.
The next movement of the valve cuts off this
air chamber and establishes a communication
between the interior of the can and the central. 05
supply tank. The liquid in this tank is under at
mospheric pressure at all times and rapidly flows
into the can, seeking to ?ll the voids, the solids
or cellular contents of the can at such time being
lheir‘!i down by a topper associated with the ?lling 70
The can and the connecting passageways in
the head and valve units are thus ?lled and the
‘ tion comprises a‘ revolving turret which‘ carries . level of the liquid in thecan rises until the small
75 a central liquid supply tank and a series of spaced 7 amount of air in the can again compresses as a
head space until it counter-balances the atmos
pheric pressure on the surface of the liquid in
the tank. plus the small gravity force occasioned
the entrance end of the seaming machine. It
may be otherwise disposed of if the seaming ma
by the higher liquid level _in the tank.
In the drawings a timing and can receiving
device of a vacuum seaming machine is disclosed
It will be remembered that this air in the can,
is received in large part from the air chamber
during the preceding valve movement just de
scribed and is in an expanded condition when the
?lling of the can begins. After such a balance
10 between the head space air in the can and the
gravity and atmosphere of the liquid in the tank
no further ?ow of syrup takes place. If a perfect
vacuum in the can could be obtained and no air
introduced the can would be completely ?lled.
15 In practice a fraction of an inch head space is
The reference to syrup and syrup ?lling, it will
be understood, is by way of example only and is
to be understood as applying equally well to
.20 liquids other than syrup. By way of illustration
chine is not used.
and the following description will include that
much of a seaming machine. During the trans
fer of the ?lled can from the ?lling apparatusv
into the'double seamer its open end is open to
atmosphere and it is only when it is received into
the vacuum chamber of the seaming machine that
it is again vacuumized prior to being supplied with
a cover and closed by the seaming apparatus.
The vacuum ?lling machine now being consid—
ered may be used in the capacity of a pre-vac
uumizing machine and in practice it is desirable
to vacuumize the can and its solid contents at a
higher vacuum, about two points .for example,
than the vacuum used- in the vacuum seaming
machine and this largely prevents swelling of the 20
in the ?lling of cans of peas, a brine is used, ’ contents at such times since much of the air has
with tomatoes, a puree, etc., depending upon the ‘
already been withdrawn from the fruit cells and
product in the cans.
will not reenter through the syrup. This pre
Upon the next movement of the valve the can vents over?ow of the can when again vacuumized
25 is cut off from the. supply tank and the top of . prior to ?nal sealing.
the now ?lled can is opened to atmosphere. This
can is then withdrawn from the ?lling head by a
lowering of the supporting unit and is swept from
The revolving turret which carries the cans
the ?lling machine by a discharge star-wheel.
I through the machine for vacuumizing and liquid"
The liquid within the supply tank is main
?lling or syruping comprises a tubular member 30
tained between a maximum and a minimum level
5| _(Figs. 4 and 5) which is enlarged at its upper
by a ?oat device which comprises a ?oat con
end in a head 52 which is formed with a cylin
nected with a sliding member controlling the drical wall extending upwardly to provide a liq
inner valve in a liquid tight supply line. If the
35 liquid' level in the tank drops to the low position
uid supply tank 53. The tubular member 5| in
termediate its length merges into a nearly ?at
by failure of the liquid supply the ?oat also actu
skirt 55 which spreads outwardly substantially
ates an electric stop device which stops further
operation of the machine.’ This feature insures
that there is always a sufficient supply of liquid
cal ?ange 5B. ,
in the tank to ?ll the cans passing into the ma
chine for otherwise the machine cannot be op
A vacuum liquid trap is associated with the
machine and prevents ?ooding of the vacuum
45 lines. The collected liquid may be pumped from
this trap back into the supply tank or to a storage
reservoir. Provision is also made for draining the
tank liquid into the trap. Such draining is ef
fected by removal of the central tank v'alve from
its liquid and vacuum lines closing position. The
float and connections can also be raised and re
moved from the tank for purposes of cleaning,
This provisionv permits rapid changing of the
syrup being used and permits a draining of a light
syrup, for example, from the apparatus by pump
ing it back to its reservoir and then substituting
a heavy syrup from another batch. In some small
60 changed several times a day and quick changing
in such cases is highly desirable.
In the majority of ?lling installations it is de
sirable that the ?lling apparatus be directly asso
ciated with a vacuum seaming machine and for
65 the purpose of indicating such an association at
small part of a seaming mechanism is illustrated
in the drawings and is herein described. Driving
mechanism for the filling apparatus is preferably
connected with the same driving mechanism as is
used on the vacuum seaming machine and will be
so 0 nsidered in‘ the following description.
Af er a can has been ?lled with liquid in the
‘?lling apparatus and has been'swept off of its
support by the discharge starwheel it is carried
75 in a circular path of travel and then enters into
in a horizontal plane and terminates in a verti
The lower end of the tubular member 5| is
enlarged at 51 and encloses a ball bearing unit 40
58 which is carriediupon a shouldered part 59
of a supporting column 6| positioned centrally of
the turret. The column BI is formed with a foot
62 which is mounted upon and bolted to a hori- .
zontal web 63 of a main casing 64 (see also Fig. 45
6).‘ This casing is carried on a base 65 which
extends under the ?lling apparatus and may also
extend laterally as at 66 (Figs. 1 and 5) where
it connects with a base 61 of the vacuum closing
machine. The column 6| forms a stationary sup-v 50
port for the turret member and retains it in ro
tating position on' a vertical axis, the bearing
unit 58 allowing for free rotative movement.
Can ?lling units ‘II (Figs. 4, l0 and 13) are car
ried on the tank 53, being positioned just outside‘ 55
of its rim and equally spaced along its periphery.
Directly beneath each ?lling head ‘H is a can sup
port unit 12 which is carried in the skirt 55 of
the turret. The cans are brought into the ma
chine and are fed to the rotating turret being 60
located upon a can support unit 12 and directly
beneath a ?lling head unit ‘II. This feeding of
the cans into the apparatus will now be described.
Can feeding
Open top‘cans 15 preferably containing fruit
or other cellular materials and which arev to be
?lled with syrup or other liquid are moved toward
the turret by a pair _of horizontally disposed, con
tinuously moving ‘conveyor chains 8| (Figs. 5, l‘-‘, 70
l5 and 16) on which the cans rest. These chains
pass over and are carried by idler sprockets 82
mounted on a horizontal stub shaft 83 located
at the entrance end of the can path. They also
extend over and are propelled by similar sprock 75
ets 84 secured to and driven by a horizontal drive
shaft 86.
member I6I bolted to the framepart I49. This
tubular gear part I58 is threaded to receive lock
nuts I62 which are located outside of the bear
I59 and which hold the gear in rotatable
in a can feed frame 88 bolted to the side of the ,
casing 64 and extending adjacent the turret 5|. position. A cap I63 is bolted to the frame part
"SI and protects the end of the gear and the
The shaft is also journaled in a similar bearing
9I formed in a side frame 92 which is mounted at lock nuts.
Drive shaft I51 may be any suitable driving
its forward end on a horizontal shelf 93 project
part and is here shown as extending from the‘
The shaft 83 rotates idly in a bearing 81 formed
ing outwardly from the frame 88. The side frame
10 92 is tied to the frame 88 at its outer or rear end
general direction of the double seaming machine
associated with the ?llingapparatus. Preferably
by a tie plate 94.
drive shaft is a major driving element of the
The upper run of one chain BI is'guided in a
seaming machine and when so formed in
horizontal groove 95 (Figs. 13 and 16) formed in
a grooved plate 96 bolted to the side of a block sures synchronism of operation between the
?lling apparatus and the double seamer.
15 91 carried by the frame 88 where it extends be
Can timing
tween the sprockets 82, 84. In a similar manner
the upper run of the other chain is ‘carried in a
horizontal groove 98 formed in a grooved plate
99 carried in a longitudinal slot IIII ‘formed in
20 the frame 92, being bolted thereto.
This plate 99
is located directly opposite to the plate 96 and
the two plates provide the proper guiding sup
ports for the conveyor chains.
The shaft 86 rotates in bearings I08, I89 (Fig.
25 15) formed respectively in the frames 88, 92 and
carries a gear III which is secured to its outer
end and which is located in a gear box section I I2
of the frame 92. This gear III meshes with a
similar gear II3 (Figs. 13 and'l5) carried on the
30 outer end of ahorizontal shaft I I4, the shafts 86,
H4 being parallel and in the same horizontal
plane. A gear box cover H5 is secured to the
gear box H2 and protects the gears III, H3.
The shaft H4 is journaled in bearings H8, H9
35 located adjacent the bearings I08, I09 and like
the latter are formed in the frame parts 88., .92.,
This shaft extends across and between the upper
and lower runs of the chains 8|. Its inner end
carries a bevel pinion I25 which meshes with a
40 gear I26 keyed to a vertical shaft I21 journaled
for rotation in bearings I28 formed in the
frame 88.
The lower end of ‘the shaft I21 carries a gear
I3I (Fig. 6) which meshes with and receives rota
45 tion from a gear I32. The frame 88 is formed
with a pocket I33 and the gears I25, I26 are lo
cated in this pocket. A table plate I34 rests upon
and forms a top for the frame 88. This plate
also provides a cover~for the gear pocket. The
50 frame wall is also enlarged in a bulged section
I35 which provides a housing for the gear I3I.
The gear I32 is the main driving gear for the
turret unit and is keyed to the lower end of the
turret section 51 (see Fig. 4) . Gear I32, together
55 with the turret and all parts carried thereby is
driven through connection with a gear “I ‘ (Figs.
4, 6 and 9) which is carried on the lower end of
a vertical shaft I42 journaled in bearings I43
formed in a housing frame I44 bolted to one
60 side of the casing 64. The frame I44 is bulged
outwardly at I45 to provide a housing for.the
‘gear I“.
The gear I“ is driven by connection with teeth
I48 formed on a double gear I41 mounted upon
65 and freely rotatable on a supporting stud I48
carried in a lateral housing section‘ I49 of the
frame I44. A cover member I5I is bolted on the
frame part I49 and assists in holding the stud
I46 in position as well as providing easy access
70 thereto when the cover is removed.
The double gear I41 also has bevel gear teeth
I55 which mesh with a. tubular gear I56 keyed
to a horizontal drive shaft I51. A tubular sec
tion I58 of the gear I56 is journaled for rotation
75 within a bearing I59 formed in an auxiliary frame
The cans 15 being brought into the apparatus '
by the conveyor chains 8I are guided in a straight path of travel by various guide bars or rails. 20
The ?rst of these comprises a side rail I65 (Figs.
5 and 16) bolted to and resting upon the hori
zontal or top part of the side frame 92. I On the
opposite side a movable side guide rail I66 is
disposed, being mounted on the table I34 (see .
also Fig. 21) .
This rail I66 adjacent its two ends is formed
with rearward extensions ,I6_.1 which rest on
top of a support block I68. The block I68 is
mounted on the table I34, a foot I69 of the block 30
being slotted at I1I for the reception of a clamp
ing bolt I12 screwed into the table I34. This
construction permits adjustment of the block
relative to the table.
The rail I66 is adapted to be engaged by an
incoming can on the chains 8| and assists in
placing the can in proper position in a timing
member. In this positioning of the can for tim
ing the can sometimes crowds against the rail and
pushes it back toward the block I68. This move
ment is made possible by bolt and slot connec
tions between rail and block.
The latter is formed with a forward projection
I13 which extends beneath the rail extensions
I61 and is slotted at I14. A bolt I15 extends
through each slot and holds the extensions I61
against the block I68 and the rail I66 down on
the table I34 while permitting its movement.
Springs I16 are interposed between block and
rail and tend to force the latter back and ‘the
cans over and into the timing member.
This timing member comprises a timing screw
I18 which is provided with an encircling thread
I19. This thread, adjacent the entrance end
of the can travel, is relatively narrow on the face
of the thread and increases in face width toward
the opposite end‘. At the same time the diameter
of the thread I19 increases.
Screw' I18 is continually rotated and as the
cans in untimed processional'order move ad
' jacent the screw and come into the in?uence of its
thread, ‘their travel is retarded. The increased
spacing of the thread on the timing screw thus
operates to space the cans and to correctly time
them for proper feeding to the turret.
The timing screw I18 (Fig. 16) is formed with
a short shaft part I85 and a long shaft section
I86. Shaft I85 is journaled in a. bearing I81 .
formed in a bracket I68 mounted upon the frame
92 and the long shaft section is journaled in a 70
bearing I9I formed in the frame part 92. This
frame part at this position also provides a bear
ing I92 for a horizontal shaft I93 which is paral
lel to the shaft I86.
These two shafts are driven in synchronism by 75
a a gear connection formed with a pinion I24 keyed
of meteor a. The lower part"or! '1' a.
to shaft I25 ‘and a gear- I25 carried upon th other b the
being atank
wall of
slots slotted
equally “425,4,
shaft. These gears- are contained wi
pocket formed in theframe 22. A cover plate around the outside of the tank.
' -
I22 secured to the frame closes the pocket. The
'shaft I22 carries a spiralv pinion I91 (Figs. 13
and 16) which meshes with a spiral gear I22 car
ried on the diive shaft "4 (Fig. 15).
‘Each foot 24: is held within a'slot ‘its being 5 ~
clamped on each side by clamping blocks 245.)’
Each block is located betweenLtwo of the fillingv
. ' head bodies and is adapted to‘engage'adjacent
As the can ‘I5 under control of the thread I15
member approaches the discharge
in: ofendthe‘timing
it is brought into a pocket 2“ of a transfer
sides of adjacent bodies 2“ as best illustrated
‘in ‘Figs. 24 and 28. Each foot 242 is vertically 1o _.
grooved along its side edges as at 242 andthe -
lower part of- each clamping block extends in
frame 22 and forms a continuation of the guide two adjacent slots 245.
Each block 245 ‘is formed with an upper.
member I25 and the former holds the can'in the
screw until itenters the starwheel pocket. The iection 241 and lower projections .243 and 71'." If
guide rail 222 is cut away at 254 to allow for mounted on a stud‘ 242 threadedly secured in".
clearance of the star-wheel. A shell section 225 1 the tank wall between two adjacent slots 244. ' .' ,' '
when in clamped position the projection 241 of" »,
carried on the frame 22 partially covers and pro
each'block rests against vthe outer‘wall of. the
tects the timing screw.
starwheel 222. A guide rail 252 is carried by the
»As soon as the can is engaged within a pocket
of the starwheel it moves adjacent an outer cir
‘cular guide rail 255 bolted to the table I24 and
this rail retains the can within the starwheel
pocket while the latter‘carries it toward a‘can
support unit .12 of the? turret. The starwheel
252 is mounted upon the upper end of the shaft
I21 and is rotated therewith.
This shaft is ‘formed with a shoulder 2“ .on
which the gear I25 rests (Fig. 13) and this gear
is provided with a tubular part 2i2 which pro
vides a spacer as well as a support for the star
wheel. A bolt 2" and ‘a washer 2l4 clamp the
point 242
and ‘
A nut 25l threadedly secured on’. the outer end
of each stud >249 holds its block 245 in clamped " ,
position. To assist in closely adjusting the body 25 -
2“ so that it can be clamped in the desired po
sition as just described, an adjusting boltis used
as willbe hereinafter described.
, '
"Each unit body. 2“ (Figs. 13 and 26) carries
a rubber ring 252 which is vulcanized or other
wise secured on the outside of- a holding ring
252. The ‘holding ring is formed with an annular
starwheel rigidly against the gear part 2l2 and ‘internal shoulder 254 which is engaged by a top-;'_ ,
per block 255 located inside of'the ring. _ A screw
‘hold it‘ on its shaft.
Can support u'nit
member and is threadedly secured in the bottom
men can support unit (Figs. 5', 12 and 1;)
comprises a platform 225 on which the can is
positioned by the starwheel 222.
?~ 255 ‘extends through the center‘ of the topper g5 '
This platform _
46 is. provided with a depending tubular
of the unit'body. This construction securely holds
the parts 252, 252, 255 ‘as a single unit.
Theg rubber ring 252may be formed with _ an1
body 222 ' inclined lower edge adapted to be engaged by ‘a
and ismounted-upon a plunger 221 which slides the upper open end of the can 15 ‘when it is raised a
within a tubular housing 222 mounted upon the into position with the can support unit". These
resiliency of the ring eifects av tight seal for ‘the
- skirtportion 55 of the turret. Plunger 221 ‘car
ries a cam roller 225 rotatably mounted on a hori
45 ‘zontal pin 2“ which istheld in ?xed position
within the plunger.
auxiliary roller 222 is
also rotatably mounted on the pin 22i.
open end of the can which is then in pomtion for vacuumizing and ?lling.
Where a product such as peaches .or_ other "5‘
v‘large fruit is being handled the lower surface of
As the turret partsrotate and a platform 225
isbrought adjacent the starwheel 222‘ the can
the topper 255 is hollowed out as at 251 torper
mit the solid contents of the can to extend up
15 is slid into position on top of the platform.
‘This is done without interruption of therotation
ofthe turret or the advancement of the support
topper at the same time holding the fruit. _
u’nit. At all times the cam roller 222 is riding on a
circular cam track 224 which is formed in a
into (the topper without injury to the fruit, the
Can wall protecting jaws
It is contemplated that a'high vacuum will
be desired in the liquid s?lling of a can 55'
115v ring cam- 225 bolted upon a second web section "usually
222 (seealso Fig. 4) formed as an integral part 15 while clamped in the ?lling head and in order
of and located above the web 52 of the casing 24. . to prevent collapse‘ or‘distortion of the can wall
v - After receiving its can, the can support unit is
by the excessive atmospheric pressure on the
raised by lifting of its roller 222 as it passes along
outside, can encircling and protecting instru
mentalities are provided. These clamp against 00.
an upwardly inclined section of the cam track
224 and its superimposed can is thus lifted into
the walls of the can and by preventing their '
its associated ?lling head ‘unit ‘II directly‘ above. movement during the vacuumizing operation pre
- i
The inner edge of the ring cam 225 along one, vent distortioii or collapse. .
For this purpose a ?xed jaw 2" (Figs. 13 and
side extends upwardly and inwardly into an ,
65 overhanging ar'cuate camvtrack section 221 which . 26) is carried by the {platform 225, being secured 65
engages above the roller 222 during a part of
the travel of the support unit and insures a low
to an upward extension 252 by a bolt 252. The
ering of the platform 225 and can when desired.
curvature with the exterior wall of the can body
and is substantially a half cylinder so that ‘a
Fiumonemt unit‘
The filling head unit ‘ll comprises a body 2“
(Figs. 13, 23, 24, 26 and 28) which is formed with
a reduced neck 242 merging into'a vertically ex
tending right angled foot means of which
it is‘ adiustably secured to and carried on they
inner wall of ‘this jawjcorresponds'in size and -
substantial section. of the bah’body is engaged v70
by the jaw.
A movable jaw 255 (Figs. 13, 23 and 26) is pro- \
vided for encircling the opposite half vportion of '
the can wall. The jaw 255 isrsecured by bolts
255 to a holding member 261 whichis provided 75
Без категории
Размер файла
3 204 Кб
Пожаловаться на содержимое документа