US1787324A - Attachment for can-body makers - Google Patents
Attachment for can-body makers Download PDFInfo
- Publication number
- US1787324A US1787324A US364284A US36428429A US1787324A US 1787324 A US1787324 A US 1787324A US 364284 A US364284 A US 364284A US 36428429 A US36428429 A US 36428429A US 1787324 A US1787324 A US 1787324A
- Authority
- US
- United States
- Prior art keywords
- blank
- scraper
- edger
- enamel
- edge
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
- B21D51/2676—Cans or tins having longitudinal or helical seams
Definitions
- Patented Dec. 3 1930 PATENT @F'FifiE JOSEPH HOWARD REEISI-IAW', F CINCINNATI, OHIO, ASSIGNOB 1'0 CONTINENTAL CAN COMPANY, INC, OF NEW YORK, N.
- the invention relates to new and useful improvements in an attachment for a can body maker which shapes a body blank and prepares the edges thereof for joining in a side seam.
- edge portions of the blank at the ends of the side seam must be lapped in order that the end of the formed body can be flanged and subsequently joined to the end by a double seam. It is desirable in the forming of containers for certain food products to provide the inner face of the container with a protecting enamel. It has been found verydifiicult to join the lapped I-l a,
- An object of the present invention is to provide a body maker with means for removing the enamel from the inner face of the outer overlapping portion of the blank in the region at the ends of the side seam preparatory to the joining of said lapped portions by soldering.
- a further object of the invention is to provide a machine of the above character wherein the inner face ofthe outer overlapping portion is scraped so as to remove the enamel therefrom simultaneously with the bending of the edge portion.
- Figure 1 is a side view of an attachment for a body maker embodying the improvements.
- Fig. 2 is an end view thereof showing in broken lines the means for actuating the edge folder and scraper.
- Fig. 2a is a view showing in side elevation the scraper and control cam therefor, and in broken lines the scraper indifferent positions.
- Fig. 3 is a top plan view of the attachment
- Fig. i is a sectional view on the line 4-4 of Fig.1, showing the scraper as placed in engagement with the under face of the over- 1929.
- Fig. 5 is a view showing the st *aper as having been retracted and moved sition'away from the blank.
- Fig. 6 is a plan View of a blank from the outer side thereof.
- Fig. 7 is a similar View from the inner side showing the face as coated with a protecting enamel throughout the region which will be exposed after the side seam is formed.
- Fig. 8 is an edge view of the blank shown in Figs. 6 and 7.
- Fi 9 is a view similar to Fig. 8 showing the edge portion of the blank folded at right angles preparatory to the forming of the interlocking portions of a lock and lap seam.
- Fig. 10 is a view similar to Fig. 9, but showing the hooked portions completed.
- Fig. 11 is a view of the under face of the blank as formed in Fig. 10. and after enamel coating has been scraped from the inner face of the outer overlapping portion of the blank forming the side seam in the region at the ends of the side seam.
- Fig. 12 is a detail showing a portion of the side seam at one end thereof with a view being taken from the inside of the can.
- Fig. 18 is a similar view from the outside of the can.
- the invention is directed to an attachment for a body maker, and more particularly to a body maker of the type shown and described in the patent to Nelson Troyer 1.5%,- 4-60 granted June 23, 1925.
- the machine of this patent is provided with means for notching and shaping the edge portions of the blank so that they may be interlocked to form a lock and lap side seam. After the blank is shaped the body is formed and passed from the machine. The blank stops at various stations where it is notched. and shaped and where the ends of the blank are properly folded so as to be interlocked.
- Figs. 6 to 11 of the drawings the blank for forming the can body is shown.
- This blank is indicated at B.
- the blank is provided with notches b, b and with slits c, c.
- the inner face is provided with this protecting coating of enamel which has considerable body to it.
- the inner face is coated with enamel except in the regions cl and e which are to be interfolded in the forming of the side seam.
- the extreme end portion of the blank is turned Cdownwardlyat 7 as-indicated in llland thence inwardly as indicated in Fig. 11.
- the portion between the slitsc, c is turned upwardly asindicated at g in Fig. 9 and thence inwardly as indicated in Fig. 10, thus form .ing a hook which maybe joined to the hooked portion 7 at the other end of the blank.
- the present invention has particularly to do with means for scraping the enamel from the surface in the region indicated at i so that it will be free from the protecting corn enamel where the parts are to be soldered together.
- the outer face of the metaldoes not have this heavy corn enamel on it and in proper condition to receive t 1e solder.
- the body blank is fed along a supporting bed 1 of the machine by suitable devices and when it reaches the station where the edge is to be folded it is clamped against the bed by a presser member 2.
- the edge when it reaches this station has been turned downwardly at right angles to the plane of the blank and it is bent inwardly byJa-n edger 3.
- the blank at this time rests on a forming anvil 4 having an outwardly projecting ledge with the uncler'face thereof inclined.
- the edger 3 is mounted on therocking supportframe 5.
- This frame isjournaled on a pin 6 mounted in suitable bearings 7, 7 carried by the bracket 8 which is secured by bolts 9, 9 to the bed of the machine.
- the carriage is rocked by an eccentricstrap 1O cooperating with an eccentric- 11 on'an actuatingshaft 12.
- This eccentric strap engages wrist pin 13 carried by the supporting frame on which the edger is mounted.
- the shaft 12 rotates the supporting frame will be rocked and the edger will engage mes 3324 the projecting portion ofthe blank and fold the same underneath the shaping anvil 4.
- scraper 1 1 at each end of the edger.
- the scrapers are mounted on pivot bolts 15 threadedinto the ends of the-edger.
- Extending through the outer ends of the scrapers is' a rod 16.
- This .Irod extends through the scrapers, and retaining sleeves fixed to the rod form a rigid frame structure of which the two scrapers are a part.
- aroller 17 At the right hand endof therod 16 is aroller 17.
- This control cam .18 is mounted on the end of the pin 6.
- This pin is in the form ofa bolt extending through the bearings and a nut 19 on the end of the pin or bolt holds the control cam 18 in place.v
- the control cam is slotted as indicated at 20 and a clamping bolt 21 passes through the slotand is threaded into the bracketcarrying the supporting carriagefor the edger. lTVhen this clamping.
- bolt 21 1s loosened'the control cam can be shifted about the pin 6' as a center for varyingthe position of thecont'rol cam.
- "A spring "22 secured at its upper end to the rod 16 and at its lower end to an arm 23 carried by the bracket 8 normally pulls down on the outer end of the scraperfll tending to raise the inner end thereof.
- the edger moves in to fold the edge of the metal the scraper will be carried in underneath the blank.
- the roller runs up on the high points of the .control cams and this will depress the active scraping end 26 ofthe scrapers.
- the end of the scraper is rounded off on its outer face and extends at avsharp angle at its inner face so as to provide a scraping edge. WVhen the scraper moves in'with-the edger to the to the right from the position shown in Fig.
- the control cams are so timed that the scraping edge 26 will pass beneath the blank be fore it moves up into engagement with the blank so that when the scraper moves bodily 5, it will not strike the edge of the metal but pass underneath the same;
- the hooked portion of the blank is beyond the scraper as viewed in Figs. 2a and 5 as the region 2' where the scraping is to be effected is between the edge of the blank and the part bent in to form the interlocking parts of the lock seam.
- the scraper moves from the position B to the position C as viewed in Fig. at which is the completion of the movement of the edger forming the hook on the blank, the scraper will slide along'the surface of the blank in yielding engagement therewith and when.
- the edger moves away after it has completed its edge forming movement thescraper will be moved outward and held in yielding contact with the blank so that the cutting edge of the scraper will remove the enamel from the blank in the region indicated at i in Fig. 11 of the drawings.
- This is the region where the outer overlapping port on makes contact with the inner overlapping portlon.
- the parts are now oined and prepared for soldering and a very efficient soldered side seam may be produced at the end of the side seam which will hold. the parts for flanging and double seaming.
- a body maker including means for supporting a body blank, means for scraping the inner overlapping portion of the blank fornn ing' the side seam in the region at the ends of the side seam for removing the enamel preparatory to the oining of the lapped portions by soldering.
- a body maker including means for supporting a blank, a scraper for engaging the inner overlapping portion of the blank forming the side seam in the region at the ends of the side seam for removing the enamel, and
- a body maker including means for supporting ablank, a scraper for engaging the inner overlapping portion of the blank forming the side scam in the region at the ends of the side seam for removing the enamel, means for yieldingly holding said scraper in contact with the blank, and a control cam for moving the scraper into and out of engagement with the blank at a point inside of the extreme edge of the blank.
- a body maker including means for supporting a body blank, means for turning the edge of the blank preparatory to the interlocking of the edge portions to form the side seam for removing the enamel, and means for scraping the inner overlapping portions of the blank forming the side seam in the region at the ends of the side seam preparatory to the joining of the lapped portions by soldering.
- a body maker including means for supporting a body blank, an edger for turning the edge of the blank preparatory to the interlocking of the edge portions to form the side seam for removing the enamel, a scraper pivotally mounted on said edger and movable bodily therewith, means for moving said scraper on its pivot whereby the scraper is moved into and out of engagement with the blank at a point inside the extreme edge thereof and yieldingly held in contact with the blankfor scraping the same.
- a body maker including means for supporting a blank, means for scraping the inner overlapping portions of the blank simultaneously in the region at both ends of the side seam for removing the enamel preparatory to the joining of the lapped portions by soldering.
- a body maker including means for supporting a body blank, an edger, a rocking frame for supporting the same, scraping devices pivotally supported by the edger at each end thereof for scraping the inner overlapping portions of the blank in the region at the ends of the side seam for removing the enamel, means for connecting said scrapers, yielding means for swinging said scrapers into contact with the metal, and a control cam for moving the scrapers out of contact with the metal when the edger is retracted after the scraping has been accomplished.
- a body maker including means for supporting a body blank, an edger, a rocking frame for supporting the same, scraping devices pivotally supported by the edger at each end thereof for scraping the inner overlapping portions of the blank in the region at the ends of the side seam for removing the enamel, means for connecting said scrapers, yielding; means for swinging said scrapers into contact with the metal, a control cam for moving the scrapers out of contact with the I metal when the edger is iretrztcted after-the jscraping has been aceemplished, and means for permitting the cam to beadju'sted for H Varying the time When the scraper is moved. 7 into and out of contact With the blank.
Description
Dec. 30, 1930. J. H. RENSHAW ATTACHMENT FOR 01m BODY MAKERS Filed May 18, 1929 2 Sheets-Sheet l mm m A TTORNEYS Dec. 30, 1930. J. H. RENSHAW 1,737,324
ATTACHMENT FOR CAN BODY MAKERS 7 Filed May 18, 1929 2 Sheets-Sheet 2 Figa 5 r9 F .10. fly 19 19.11. J?
Patented Dec. 3 1930 PATENT @F'FifiE JOSEPH HOWARD REEISI-IAW', F CINCINNATI, OHIO, ASSIGNOB 1'0 CONTINENTAL CAN COMPANY, INC, OF NEW YORK, N.
Y., A CORPORATION OF NEXV YGRK ATTACHMENT FOR CANQBODY MAKERS Application filed May is,
The invention relates to new and useful improvements in an attachment for a can body maker which shapes a body blank and prepares the edges thereof for joining in a side seam.
It is well known that the edge portions of the blank at the ends of the side seam must be lapped in order that the end of the formed body can be flanged and subsequently joined to the end by a double seam. It is desirable in the forming of containers for certain food products to provide the inner face of the container with a protecting enamel. It has been found verydifiicult to join the lapped I-l a,
' 7 portions of the metal at the ends of the side seam by soldering due to the presence of the enamel covering one face of the metal parts which are to be joined.
An object of the present invention is to provide a body maker with means for removing the enamel from the inner face of the outer overlapping portion of the blank in the region at the ends of the side seam preparatory to the joining of said lapped portions by soldering.
A further object of the invention is to provide a machine of the above character wherein the inner face ofthe outer overlapping portion is scraped so as to remove the enamel therefrom simultaneously with the bending of the edge portion.
These and other objects will in part be obvious and will in part be hereinafter more fully disclosed.
In the drawings:
Figure 1 is a side view of an attachment for a body maker embodying the improvements.
Fig. 2 is an end view thereof showing in broken lines the means for actuating the edge folder and scraper.
Fig. 2a is a view showing in side elevation the scraper and control cam therefor, and in broken lines the scraper indifferent positions.
Fig. 3 is a top plan view of the attachment,
Fig. i is a sectional view on the line 4-4 of Fig.1, showing the scraper as placed in engagement with the under face of the over- 1929. Serial No. 364,284.
lapping portion of the blank preparatory to the inward movement of the scraper in contact with the blank.
Fig. 5 is a view showing the st *aper as having been retracted and moved sition'away from the blank.
Fig. 6 is a plan View of a blank from the outer side thereof.
Fig. 7 is a similar View from the inner side showing the face as coated with a protecting enamel throughout the region which will be exposed after the side seam is formed.
Fig. 8 is an edge view of the blank shown in Figs. 6 and 7.
Fig. 10 is a view similar to Fig. 9, but showing the hooked portions completed.
Fig. 11 is a view of the under face of the blank as formed in Fig. 10. and after enamel coating has been scraped from the inner face of the outer overlapping portion of the blank forming the side seam in the region at the ends of the side seam.
Fig. 12 is a detail showing a portion of the side seam at one end thereof with a view being taken from the inside of the can.
Fig. 18 is a similar view from the outside of the can.
The invention is directed to an attachment for a body maker, and more particularly to a body maker of the type shown and described in the patent to Nelson Troyer 1.5%,- 4-60 granted June 23, 1925. The machine of this patent is provided with means for notching and shaping the edge portions of the blank so that they may be interlocked to form a lock and lap side seam. After the blank is shaped the body is formed and passed from the machine. The blank stops at various stations where it is notched. and shaped and where the ends of the blank are properly folded so as to be interlocked.
In Figs. 6 to 11 of the drawings the blank for forming the can body is shown. This blank is indicated at B. The blank is provided with notches b, b and with slits c, c. In order that the container formed from to a po- 1 from a decorating coating and provided with a lab'el,if desired. The inner face, however, is provided with this protecting coating of enamel which has considerable body to it. The inner face is coated with enamel except in the regions cl and e which are to be interfolded in the forming of the side seam. The extreme end portion of the blank is turned Cdownwardlyat 7 as-indicated in llland thence inwardly as indicated in Fig. 11. The portion between the slitsc, c is turned upwardly asindicated at g in Fig. 9 and thence inwardly as indicated in Fig. 10, thus form .ing a hook which maybe joined to the hooked portion 7 at the other end of the blank.
Th psrtions Z1. between the slits c. c and i the edges of. the blank are not folded but overlap the portion i at the other end of the blank. Considerable difficulty has been experienced in the soldering of these overlapped portions so as to form a very tight joint at the ends of theside seam and particularly in the region where the metal is turned intoa fiangeand subsequently rolled into a double seamfwith the end. i
The present invention has particularly to do with means for scraping the enamel from the surface in the region indicated at i so that it will be free from the protecting corn enamel where the parts are to be soldered together. The outer face of the metaldoes not have this heavy corn enamel on it and in proper condition to receive t 1e solder.
The body blank is fed along a supporting bed 1 of the machine by suitable devices and when it reaches the station where the edge is to be folded it is clamped against the bed by a presser member 2. The edge when it reaches this station has been turned downwardly at right angles to the plane of the blank and it is bent inwardly byJa-n edger 3. The blank at this time rests on a forming anvil 4 having an outwardly projecting ledge with the uncler'face thereof inclined. The edger 3 is mounted on therocking supportframe 5. This frame isjournaled on a pin 6 mounted in suitable bearings 7, 7 carried by the bracket 8 which is secured by bolts 9, 9 to the bed of the machine. The carriage is rocked by an eccentricstrap 1O cooperating with an eccentric- 11 on'an actuatingshaft 12. This eccentric strap-engages wrist pin 13 carried by the supporting frame on which the edger is mounted. As the shaft 12 rotates the supporting frame will be rocked and the edger will engage mes 3324 the projecting portion ofthe blank and fold the same underneath the shaping anvil 4. At
the same time when this edge is folded underneath the enamel is removed from the under face of the blank in the region at the ends of the side seam by scrapers.
There is. a scraper 1 1 at each end of the edger. The scrapers are mounted on pivot bolts 15 threadedinto the ends of the-edger. Extending through the outer ends of the scrapers is' a rod 16. This .Irod extends through the scrapers, and retaining sleeves fixed to the rod form a rigid frame structure of which the two scrapers are a part. At the right hand endof therod 16 is aroller 17. Associated with the roller 17 is a control cam 18. This control cam .18 is mounted on the end of the pin 6. This pin is in the form ofa bolt extending through the bearings and a nut 19 on the end of the pin or bolt holds the control cam 18 in place.v The control cam is slotted as indicated at 20 and a clamping bolt 21 passes through the slotand is threaded into the bracketcarrying the supporting carriagefor the edger. lTVhen this clamping. bolt 21 1s loosened'the control cam can be shifted about the pin 6' as a center for varyingthe position of thecont'rol cam. "A spring "22 secured at its upper end to the rod 16 and at its lower end to an arm 23 carried by the bracket 8 normally pulls down on the outer end of the scraperfll tending to raise the inner end thereof.
There isalso a controLcam 18a at, theother side of the edger-and the rod 16"carries a roller 17a whichicooperates with this control cam 18a. The controlcam is slightly offset so as to give proper room for the scraper 14 at the left of the edger as viewed in Fig. 1.
There is also a spring 2261 hooked about the rod 16 and connected to'an arn1'23c which further tends'to depress the outer end of the frame structure including the scrapers, thus holding'the rollers 1'?" and 17a in contact with thecontrol cams therefor. The control cam is provided with a rounded shoulder 2a'which leadsinto a rounded face 25 that is nearer the center of oscillation of the support for the edger. Inasmuch as these scrapers are mounted on the supporting frame for the edger, they will be moved bodily back and forth by the eccentric strapllO as the edger support rocks.
- lVhen the edger moves in to fold the edge of the metal the scraper will be carried in underneath the blank. When the scraper is at the extreme outer position, that is, the position A in Fig. 5, the roller runs up on the high points of the .control cams and this will depress the active scraping end 26 ofthe scrapers. it will be noted that the end of the scraper is rounded off on its outer face and extends at avsharp angle at its inner face so as to provide a scraping edge. WVhen the scraper moves in'with-the edger to the to the right from the position shown in Fig.
position indicated at B in Fig. 4, the rollers run off from the high points of the control cams and allow the springs to pull the scrapers into contact with the'under face of the blank; the low part 250i the control cam is so proportioned that the rollers are out of actual contact therewith when the blank is n the machine and the scraper is beneath the blank. Thus it is that the movement of the scrapers in a counterclockwise direction about their pivot supports through the action of the springs is limited by the sharp edge of the scraper bearing against the metal. The control cams are so timed that the scraping edge 26 will pass beneath the blank be fore it moves up into engagement with the blank so that when the scraper moves bodily 5, it will not strike the edge of the metal but pass underneath the same; The hooked portion of the blank is beyond the scraper as viewed in Figs. 2a and 5 as the region 2' where the scraping is to be effected is between the edge of the blank and the part bent in to form the interlocking parts of the lock seam. l/Vhen the scraper moves from the position B to the position C as viewed in Fig. at which is the completion of the movement of the edger forming the hook on the blank, the scraper will slide along'the surface of the blank in yielding engagement therewith and when. the edger moves away after it has completed its edge forming movement thescraper will be moved outward and held in yielding contact with the blank so that the cutting edge of the scraper will remove the enamel from the blank in the region indicated at i in Fig. 11 of the drawings. This, as noted above, is the region where the outer overlapping port on makes contact with the inner overlapping portlon. The parts are now oined and prepared for soldering and a very efficient soldered side seam may be produced at the end of the side seam which will hold. the parts for flanging and double seaming.
It is obvious that minor changes in the details of construction andthe arrangement of the parts may be made without departing from the spirit of the invention as set forth in the appended claims.
Having fully described my invention, what I claim as new and desire to secure by Letters Patent, is
1. A body maker including means for supporting a body blank, means for scraping the inner overlapping portion of the blank fornn ing' the side seam in the region at the ends of the side seam for removing the enamel preparatory to the oining of the lapped portions by soldering.
2 A body maker including means for supporting a blank, a scraper for engaging the inner overlapping portion of the blank forming the side seam in the region at the ends of the side seam for removing the enamel, and
3. A body maker including means for supporting ablank, a scraper for engaging the inner overlapping portion of the blank forming the side scam in the region at the ends of the side seam for removing the enamel, means for yieldingly holding said scraper in contact with the blank, and a control cam for moving the scraper into and out of engagement with the blank at a point inside of the extreme edge of the blank.
4-. A body maker including means for supporting a body blank, means for turning the edge of the blank preparatory to the interlocking of the edge portions to form the side seam for removing the enamel, and means for scraping the inner overlapping portions of the blank forming the side seam in the region at the ends of the side seam preparatory to the joining of the lapped portions by soldering.
5. A body maker including means for supporting a body blank, an edger for turning the edge of the blank preparatory to the interlocking of the edge portions to form the side seam for removing the enamel, a scraper pivotally mounted on said edger and movable bodily therewith, means for moving said scraper on its pivot whereby the scraper is moved into and out of engagement with the blank at a point inside the extreme edge thereof and yieldingly held in contact with the blankfor scraping the same.
6. A body maker including means for supporting a blank, means for scraping the inner overlapping portions of the blank simultaneously in the region at both ends of the side seam for removing the enamel preparatory to the joining of the lapped portions by soldering.
7. A body maker including means for supporting a body blank, an edger, a rocking frame for supporting the same, scraping devices pivotally supported by the edger at each end thereof for scraping the inner overlapping portions of the blank in the region at the ends of the side seam for removing the enamel, means for connecting said scrapers, yielding means for swinging said scrapers into contact with the metal, and a control cam for moving the scrapers out of contact with the metal when the edger is retracted after the scraping has been accomplished.
8. A body maker including means for supporting a body blank, an edger, a rocking frame for supporting the same, scraping devices pivotally supported by the edger at each end thereof for scraping the inner overlapping portions of the blank in the region at the ends of the side seam for removing the enamel, means for connecting said scrapers, yielding; means for swinging said scrapers into contact with the metal, a control cam for moving the scrapers out of contact with the I metal when the edger is iretrztcted after-the jscraping has been aceemplished, and means for permitting the cam to beadju'sted for H Varying the time When the scraper is moved. 7 into and out of contact With the blank.
.In testimony whereof, l affix my signature.
' Q D RENSHAW;
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US364284A US1787324A (en) | 1929-05-18 | 1929-05-18 | Attachment for can-body makers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US364284A US1787324A (en) | 1929-05-18 | 1929-05-18 | Attachment for can-body makers |
Publications (1)
Publication Number | Publication Date |
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US1787324A true US1787324A (en) | 1930-12-30 |
Family
ID=23433826
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US364284A Expired - Lifetime US1787324A (en) | 1929-05-18 | 1929-05-18 | Attachment for can-body makers |
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US (1) | US1787324A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2623233A (en) * | 1946-02-25 | 1952-12-30 | Continental Can Co | Apparatus for cleaning can body blank seam margins |
-
1929
- 1929-05-18 US US364284A patent/US1787324A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2623233A (en) * | 1946-02-25 | 1952-12-30 | Continental Can Co | Apparatus for cleaning can body blank seam margins |
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