US2362791A - Attachment for stripping foam from cans - Google Patents
Attachment for stripping foam from cans Download PDFInfo
- Publication number
- US2362791A US2362791A US469451A US46945142A US2362791A US 2362791 A US2362791 A US 2362791A US 469451 A US469451 A US 469451A US 46945142 A US46945142 A US 46945142A US 2362791 A US2362791 A US 2362791A
- Authority
- US
- United States
- Prior art keywords
- foam
- cans
- receiver
- blade
- nozzle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B3/22—Defoaming liquids in connection with filling
Definitions
- the invention relates to Ta new and useful improvement in an attachment'for a combined filling and closing machine whichis especially designed for filling and closing cans with liquid products Which foam duringhandling.
- An object of the invention is" to provide an attachment disposed between the filling machine and the closing machine which will strip'the foam rising above the topof the can therefrom and reclaim the same.
- v still further object of the'inventi'on is to provide an attachment of the'abovc type whereinthe foam is stripped from the top of the can by the.
- I Figure 1 is a plan view of a'portion of the conveyor mechanism which receives :the filled cans ofa stripperiblade' and an air from the filling machine and delivers the same tothe closing machine.
- Figure 3 is an enlarged view transverse-of'the feeding mechanism and'showing. the side elevation of the foam removing devices and'the receiver into which the foam is discharged.
- Figure 4 is an enlarged 'view'of the attachment as viewed from the side of the 'conveyor opposite the receiver'for thefoam.
- Figure 5 is a plan view of the receiverJWhich collects the foam
- Figure 6 is a detail view showing'thepreferred v shape of the nozzle which discharges the air blast
- Figure 7 is a diagrammatic view showing ac'an filled with a liquid product to agiven level. and the foam projecting abovethe top oftthe can.
- Figure 8 is a view showing diagrammatically and in plane the stripper and the air stream cooperating therewith removing the foam.
- Figure 9 is a vertical view at right anglesto the stripper and centrally through the can and showing in full lines the foam remaining to be stripped an'd in' dotted lines the position of the nozzle and the channel'formed in the-foam by the air stream as the foam is stripped from the can; 1
- the top ofthe can then the foam is forced out over the edge of thecan andruns down the sides ofthesame.
- Applicant's invention has, to do ,withanattachment which is located on the conveying mechanism between the filling machine and the closingmachine, which attachment functions to remove theexcessivefoam projecting above the top of the can. This isaccomplished by the combined action ofia stripper blade and an air stream.
- the stripper blade extends all the way across the pathof travel of the filled. cans. and its lower edge is avery slight distance above the top of the can so that the canswill pass freely beneath the same.
- the foam extending above the top of the can if not stripped from in front of the blade by the air stream would contact with the blade.
- the air stream issues from a nozzle disposed above and adjacent the path of movement of the cantop and the nozzle'is arranged so that the air stream flows". along the blade contacting therewith.- Through theforce of the air stream contacting the foam and the suction on the foam, it is carried from in front of the stripper blade to one side of the path of travel of the can into'a receivertherefor.
- This conveyormechanism includes a supporting bed I on which the cans rest and along which they are fed in an upright position from the filling machine to the closing machine.
- This bed is in two sections, and ayconveyor chain 2 is disposed between said sections and is provided with upstanding lugs 3 which engage and move the cans along the conveyor bed.
- bracket 6 Mounted on one of the guide rails is an upstanding bracket 6 bolted to the guide rail by suitable bolts 1, 1. Attached to the upper end of this bracket is a bar .8 which extends across the conveyor bed transversely thereof from one side to the other. This bar is mounted on the bracket 6 by means of a slot and bolt connection so that the bar may be adjusted up and down on the bracket 6.
- the slot in the bracket is indicated at 9 and the bolts for clamping the bar 8 to the bracket is indicated at l0, l0.
- Attached to this bar 8 is a blade I l preferably All of these the stripper blade and with little spread vertically. This insures that the foam carried by the air stream will be carried over the front Wall of the receiver into the same.
- the receiver for the foam is indicated at 22 in the drawings.
- This receiver is mounted on a bracket 3
- the receiver includes a back portion 25 and side members 26, 26 having wings 21, 21 which form a wide open side facing the conveyor.
- the bottom of the receiver 28 converges toward the center thereof, as shown in Figure 4, and a pipe 29 is attached to the bottom of the receiver.
- This pipe is provided with an elbow 30 which overhangs a receptacle so that the foam collected in the receiver will drain down into the bottom made of rubberized fabric.
- This blade is secured to the bar by means of screws l2, l2. The blade projects below the lower edge of the bar.
- This bar 8 is positioned relative to the cans being conveyed beneath the same so that the lower edge l3 of the blade is just above the top H of a filled can C passing beneath thesame.
- an air nozzle l8 Associated with the stripper blade is an air nozzle l8.
- This air nozzle is carried at the'upper end of a tube is and is preferably formed integral therewith,
- the tube I9 is mounted in a header 20 and said tube may be readily adjusted vertical and it may be adjusted angularly and so positioned as to direct a stream of air along the stripper blade and contacting therewith.
- This air nozzle is disposed a slight distance above the path of travel of the cans and preferably so as to overhang the can wall at the point of maximum diameter.
- the header is connected to a suitable source of air supply. This air stream contacting with the foam will carry it along in suspension and thus remove the foam which is contacted thereby from in front of the stripper blade.
- the stripper blade serves as a baflle or deflector for the air stream and at the same time cooperates-with the air stream in the carrying of the foam projecting above the can top to one side of the path of travel of the can into a receiver therefor.
- This air stream will suck foam in the region of the nozzle so that a channel is formed directly in front of this stripper blade which causes the foam which moves into the channel to be lifted and conveyed from the top of the can.
- the nozzle at the discharge end is oblong with its major axis horizontal. This causes the air stream to spread laterally in its sweep of the foam along and the bottom wall.
- front wall 28a which joins the sides This front wall is extended toward the conveyor to a point close to the path of travel of the can bodies. This insures that the foam suspended in the air stream will be releaseditherefrom so that it passes down into the bottom of the receiver
- the cans are spaced on the conveyor as they come. from the filling machine. While the air stream is continuous the cans pass intermittently and in succession into the air stream.
- the foam, collecting in the receiver, which has been stripped from a can will collect to some extent in the bottom of the'receiver due to the sluggish flow of foam.
- the foam stripped from the following can will be discharged into the receiver in more or less of an independent mass and this, contacting with the foam in the bottom of the receiver, helps to force it down through the pipe into the collecting receptacle.
- the machine is readily adjusted for different size cans both as to diameter and height.
- the stripper blade is so mounted that it may be raised or lowered on the supporting bracket. The same is true of. the nozzle.
- the guide rails may be shifted toward or from each other so as to accommodate cans of different diameter.
- the nozzle is mounted on guide'rail 4 and the receiver on guide rail 5 so that when adjustments are made for different size cans this will automatically shift the position ofthe nozzle and the receiver; the receiver is always close to the .path of travel of the can and the nozzle position relative to the passing can so as to properly direct a stream of air along the stripper blade for removing the foam projecting above the top of the can
- I claim: 1. The combination of a conveying means for conveying filled cans to a closing machine, a stationary stripper blade associated with the conveying means and disposed so as to contact the foam projecting above the can passing beneath the same, and means for discharging a stream of air across said stripper blade for removing the foam in front thereof and discharging the same to a receiver at one side of the path of travel of the can.
- stripper blade associated with the conveying means and disposed so as to contact with the foam projecting above the can passing beneath the same, and an air nozzle disposed in front of said stripper blade and positioned so as to direct an air stream along said blade and in contact therewith for removing said projecting foam,'and means for mounting said nozzle whereby it may be raised or lowered and shifted angularly relative to said stripper blade, said nozzle at the discharge end thereof being oblong in crossi section so as to spread the air stream horizontally with very little spread vertically.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
Description
Nov. 14, 1944. H. D. AYARS 2,362,791
ATTACHMENT FOR STRIPPING FOAM FROM CANS Filed Dec. 18, 1942 4 Sheets-Sheet l Nov. 14, 1944. I H D. AYARS 2,362,791
I ATTACHMENT FOR STRIPPING FOAM FROM CANS Filed Dec. 18. 1942 '4 Shets-Sheet 2 Nov. 14, 1944. H D, M R 2,362,791
ATTACHMENT. FOR STRIBPING FOAM FROM CANS Filed Dec. 18. 1942 4 Sheets Sheet 5 Nov. 14, 1944. AYARs 2,362,791
ATTACHMENT FOR STRIPPING FOAM FROM CANS Filed Dec. 18, 1942 4 Sheets-Sheet 4 againstthe stripper. I
of-the product into the container.
PatentedNov.14, 1944 m ATTACHMENT FOR STRIPPING FOAM I FROM CANS I Harry D. 'Ayars, Philadelphia, Pa., assignor to 7 Continental Can Company, Inc., New
York,
, I N. Y.,@ corporation of New York Application December s, 1942, Serial No. 469,451"
- 7 Claims. (01126- 69) The invention relates to Ta new and useful improvement in an attachment'for a combined filling and closing machine whichis especially designed for filling and closing cans with liquid products Which foam duringhandling.
An object of the invention is" to provide an attachment disposed between the filling machine and the closing machine which will strip'the foam rising above the topof the can therefrom and reclaim the same. i
v still further object of the'inventi'on is to provide an attachment of the'abovc type whereinthe foam is stripped from the top of the can by the.
combined action stream.
Inthe drawings: I Figure 1 is a plan view of a'portion of the conveyor mechanism which receives :the filled cans ofa stripperiblade' and an air from the filling machine and delivers the same tothe closing machine.-
Figurez is aside view of the same; 1.
Figure 3 is an enlarged view transverse-of'the feeding mechanism and'showing. the side elevation of the foam removing devices and'the receiver into which the foam is discharged. Figure 4 is an enlarged 'view'of the attachment as viewed from the side of the 'conveyor opposite the receiver'for thefoam.
Figure 5 is a plan view of the receiverJWhich collects the foam;
Figure 6 is a detail view showing'thepreferred v shape of the nozzle which discharges the air blast Figure 7 is a diagrammatic view showing ac'an filled with a liquid product to agiven level. and the foam projecting abovethe top oftthe can. Figure 8 is a view showing diagrammatically and in plane the stripper and the air stream cooperating therewith removing the foam.
Figure 9 is a vertical view at right anglesto the stripper and centrally through the can and showing in full lines the foam remaining to be stripped an'd in' dotted lines the position of the nozzle and the channel'formed in the-foam by the air stream as the foam is stripped from the can; 1
' In the filling of liquid products into containers,
' it is difilcult to fill the container to the proper extent when the liquid product is of a nature that excessive foaming takes placeduring the filling One exam ple of a liquid product of this'natureis tomato juice,v whichisheated forsterilizingythe product, and when thisheated product isfilled into .a container, excessive foamingtakestplace. The same I distance above.
the top ofthe can, then the foam is forced out over the edge of thecan andruns down the sides ofthesame.
Applicant's invention has, to do ,withanattachment which is located on the conveying mechanism between the filling machine and the closingmachine, which attachment functions to remove theexcessivefoam projecting above the top of the can. This isaccomplished by the combined action ofia stripper blade and an air stream.
The stripper blade extends all the way across the pathof travel of the filled. cans. and its lower edge is avery slight distance above the top of the can so that the canswill pass freely beneath the same. The foam extending above the top of the can, if not stripped from in front of the blade by the air stream would contact with the blade. The air stream issues from a nozzle disposed above and adjacent the path of movement of the cantop and the nozzle'is arranged so that the air stream flows". along the blade contacting therewith.- Through theforce of the air stream contacting the foam and the suction on the foam, it is carried from in front of the stripper blade to one side of the path of travel of the can into'a receivertherefor. Referring more in detail to the drawings, there is shown more or less diagrammatically a very short section ofthe conveyor which conveys the filled cans from the filling machine to the closing machine. This conveyormechanism includes a supporting bed I on which the cans rest and along which they are fed in an upright position from the filling machine to the closing machine. This bed is in two sections, and ayconveyor chain 2 is disposed between said sections and is provided with upstanding lugs 3 which engage and move the cans along the conveyor bed. There is a guide rail 4 at one side of the bed which is secured thereby by suitable bolts and is spaced above the bed by ,a spacing collar of the usual type.- At the other side there is a guide rail 5 likewise secured to the bed and spaced a slight nected to the bed that they may be adjusted toward and from each other to accommodate and These guid rails are so conguide cans of different diameters. features are of the usual type employed in the conveying of cans from one operating mechanism to another, and it is not thought necessary to describe the conveyor or the filling machine or the closing machine associated therewith more in detail.
Mounted on one of the guide rails is an upstanding bracket 6 bolted to the guide rail by suitable bolts 1, 1. Attached to the upper end of this bracket is a bar .8 which extends across the conveyor bed transversely thereof from one side to the other. This bar is mounted on the bracket 6 by means of a slot and bolt connection so that the bar may be adjusted up and down on the bracket 6. The slot in the bracket is indicated at 9 and the bolts for clamping the bar 8 to the bracket is indicated at l0, l0.
Attached to this bar 8 is a blade I l preferably All of these the stripper blade and with little spread vertically. This insures that the foam carried by the air stream will be carried over the front Wall of the receiver into the same.
The receiver for the foam is indicated at 22 in the drawings. This receiver is mounted on a bracket 3| which is bolted at guide bar 5. The receiver includes a back portion 25 and side members 26, 26 having wings 21, 21 which form a wide open side facing the conveyor. The bottom of the receiver 28 converges toward the center thereof, as shown in Figure 4, and a pipe 29 is attached to the bottom of the receiver. This pipe is provided with an elbow 30 which overhangs a receptacle so that the foam collected in the receiver will drain down into the bottom made of rubberized fabric. This blade is secured to the bar by means of screws l2, l2. The blade projects below the lower edge of the bar. This bar 8 is positioned relative to the cans being conveyed beneath the same so that the lower edge l3 of the blade is just above the top H of a filled can C passing beneath thesame.
Associated with the stripper blade is an air nozzle l8. This air nozzle is carried at the'upper end of a tube is and is preferably formed integral therewith, The tube I9 is mounted in a header 20 and said tube may be readily adjusted vertical and it may be adjusted angularly and so positioned as to direct a stream of air along the stripper blade and contacting therewith. This air nozzle is disposed a slight distance above the path of travel of the cans and preferably so as to overhang the can wall at the point of maximum diameter. The header is connected to a suitable source of air supply. This air stream contacting with the foam will carry it along in suspension and thus remove the foam which is contacted thereby from in front of the stripper blade. The stripper blade serves as a baflle or deflector for the air stream and at the same time cooperates-with the air stream in the carrying of the foam projecting above the can top to one side of the path of travel of the can into a receiver therefor. This air stream will suck foam in the region of the nozzle so that a channel is formed directly in front of this stripper blade which causes the foam which moves into the channel to be lifted and conveyed from the top of the can.
In Figure 8 of the drawings, the position of the nozzle, relative to the blade and to the air'stream sweeping across the top of the can and along the blade, is illustrated diagrammatically.
In Figure 9 the channel formed through the cooperation of the air stream and stripper blade is indicated in full lines, while the position of the nozzle and the foam which is being removed is indicated by the broken lines. Some of the foam is sucked from the can slightly beneath the level of the top so that sufficient foam is removed as the can passesacross this air stream and beneath the stripper blade to leave the can level full of the foam.
Sufficient foam is removed through the device described above so that when the end is placed on the can there will be no forcing of thefoam over the can flange and down the sides thereof.
As clearly shown in the drawings, the nozzle at the discharge end is oblong with its major axis horizontal. This causes the air stream to spread laterally in its sweep of the foam along and the bottom wall.
and through this pipe 30 into said receiver.
There is a front wall 28a which joins the sides This front wall is extended toward the conveyor to a point close to the path of travel of the can bodies. This insures that the foam suspended in the air stream will be releaseditherefrom so that it passes down into the bottom of the receiver The cans are spaced on the conveyor as they come. from the filling machine. While the air stream is continuous the cans pass intermittently and in succession into the air stream. The foam, collecting in the receiver, which has been stripped from a can will collect to some extent in the bottom of the'receiver due to the sluggish flow of foam. The foam stripped from the following can will be discharged into the receiver in more or less of an independent mass and this, contacting with the foam in the bottom of the receiver, helps to force it down through the pipe into the collecting receptacle.
The machine is readily adjusted for different size cans both as to diameter and height. The stripper blade is so mounted that it may be raised or lowered on the supporting bracket. The same is true of. the nozzle. The guide rails may be shifted toward or from each other so as to accommodate cans of different diameter. The nozzle is mounted on guide'rail 4 and the receiver on guide rail 5 so that when adjustments are made for different size cans this will automatically shift the position ofthe nozzle and the receiver; the receiver is always close to the .path of travel of the can and the nozzle position relative to the passing can so as to properly direct a stream of air along the stripper blade for removing the foam projecting above the top of the can It is obvious that minor changes in the details of construction and the arrangement of the parts may be made without departing from the spirit of the invention as set forth in the appended claims.
I claim: 1. The combination of a conveying means for conveying filled cans to a closing machine, a stationary stripper blade associated with the conveying means and disposed so as to contact the foam projecting above the can passing beneath the same, and means for discharging a stream of air across said stripper blade for removing the foam in front thereof and discharging the same to a receiver at one side of the path of travel of the can. i
2. The combination of a conveying means for conveying cans to a closing machine, a receiver located at one side of the path of travel of the can, an air nozzle disposed at the opposite sideof the path of travel of the can for discharging an air stream across the top of the can, a stripper blade disposed above the path of travel of the can and so disposed relative to the air stream as to cooperate therewith in removing the foam projecting above the top of the can and discharging the same into the receiver.
3, The combination of a conveying means for conveying filled cans to a closing machine, guide rails at opposite sides of said conveyingmeans for guiding the filled cans, a bracket mountedon one of said guide rails, a stripper blade adjustably mounted on said bracket and extending across the path of travel of the cans and arranged so as to contact with any foam projecting above the top of the can, an air nozzle mounted on said bracket and positioned so as to direct a streamof air along the front side of said stripper'blade and in contact therewith, a receiver mounted on the other guide rail and disposed so as to receive foam removed from the can through the cooperative action of the air stream and stripper blade.
4. The combination of a conveying means for conveying filled cans to a closing machine, guide ing cans, and a front wall terminating beneath and close to the path of travel of top portion of can, and devices mounted on the other guide rail for removing the foam projecting above the top of the can and discharging the same into said receiver, said device for removing the foam including a stripper blade positioned above the path of travel of the can so as to contact with the foam projecting above said can top, anda nozzle disposed so as to direct an air stream along the front of said stripper blade and in contact therewith.
6. The combination of a conveying means for conveying filled cans to a closing machine, a stripper blade associated with the conveying means and disposed so as to contact with the foam projecting above thecan passing beneath the same, and an air nozzle disposed in front of said stripper blade and positioned so as to direct an air stream along said blade and in contact therewith for removing said projecting foam, and means for mounting said nozzle whereby it may be raised or lowered and shifted angularly relarails at opposite sides of the conveying means for guiding the filled cans, a receiver mounted on and side walls projecting above the top of passing cans, and a front wall terminating beneath and close to the path of travel of top portion of can, and an air nozzle mounted on the other guide rail and positioned so as to direct a stream of air across the top of the can passing between said guide rails for removing ,foam projecting above the top. of the can and discharging the same into said receiver.
5. In combination of a conveying means for conveying filled cans to aclosing machine, guide rails at opposite sides of the conveying means for guiding the filled cans, a receiver mounted on one of said guide rails, said receiver having rear and side 'walls projecting above the top of passtive to said stripper blade.
7. The combination of a conveying means for conveying filled cans to a closing machine, a
stripper blade associated with the conveying means and disposed so as to contact with the foam projecting above the can passing beneath the same, and an air nozzle disposed in front of said stripper blade and positioned so as to direct an air stream along said blade and in contact therewith for removing said projecting foam,'and means for mounting said nozzle whereby it may be raised or lowered and shifted angularly relative to said stripper blade, said nozzle at the discharge end thereof being oblong in crossi section so as to spread the air stream horizontally with very little spread vertically.
HARRY D. AYARS.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US469451A US2362791A (en) | 1942-12-18 | 1942-12-18 | Attachment for stripping foam from cans |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US469451A US2362791A (en) | 1942-12-18 | 1942-12-18 | Attachment for stripping foam from cans |
Publications (1)
Publication Number | Publication Date |
---|---|
US2362791A true US2362791A (en) | 1944-11-14 |
Family
ID=23863851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US469451A Expired - Lifetime US2362791A (en) | 1942-12-18 | 1942-12-18 | Attachment for stripping foam from cans |
Country Status (1)
Country | Link |
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US (1) | US2362791A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2604247A (en) * | 1948-03-03 | 1952-07-22 | Ex Cell O Corp | Defoamer for bottling machines |
US3656518A (en) * | 1967-03-27 | 1972-04-18 | Perry Ind Inc | Method and apparatus for measuring and dispensing predetermined equal amounts of powdered material |
US3719289A (en) * | 1969-12-11 | 1973-03-06 | Seita | Method and device for forming a stream of material consisting of tangled shreds such as tobacco |
US20170258685A1 (en) * | 2014-08-14 | 2017-09-14 | Capsugel Belgium Nv | Apparatus and process for filling particular materials |
WO2020234842A1 (en) * | 2019-05-23 | 2020-11-26 | G.D Societa' Per Azioni | Filling unit to fill a container, in particular a cartridge, with a liquid product of the pharmaceutical industry |
-
1942
- 1942-12-18 US US469451A patent/US2362791A/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2604247A (en) * | 1948-03-03 | 1952-07-22 | Ex Cell O Corp | Defoamer for bottling machines |
US3656518A (en) * | 1967-03-27 | 1972-04-18 | Perry Ind Inc | Method and apparatus for measuring and dispensing predetermined equal amounts of powdered material |
US3719289A (en) * | 1969-12-11 | 1973-03-06 | Seita | Method and device for forming a stream of material consisting of tangled shreds such as tobacco |
US20170258685A1 (en) * | 2014-08-14 | 2017-09-14 | Capsugel Belgium Nv | Apparatus and process for filling particular materials |
US10835451B2 (en) * | 2014-08-14 | 2020-11-17 | Capsugel Belgium Nv | Apparatus and process for filling particulate materials |
WO2020234842A1 (en) * | 2019-05-23 | 2020-11-26 | G.D Societa' Per Azioni | Filling unit to fill a container, in particular a cartridge, with a liquid product of the pharmaceutical industry |
US11801956B2 (en) | 2019-05-23 | 2023-10-31 | G.D Societa' Per Azioni | Filling unit to fill a container, in particular a cartridge, with a liquid product of the pharmaceutical industry |
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