US388288A - Die for the manufacture of cans - Google Patents
Die for the manufacture of cans Download PDFInfo
- Publication number
- US388288A US388288A US388288DA US388288A US 388288 A US388288 A US 388288A US 388288D A US388288D A US 388288DA US 388288 A US388288 A US 388288A
- Authority
- US
- United States
- Prior art keywords
- die
- dies
- base part
- head
- rim
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title description 8
- 239000002184 metal Substances 0.000 description 12
- 210000000088 Lip Anatomy 0.000 description 8
- 238000007493 shaping process Methods 0.000 description 6
- 241000237502 Ostreidae Species 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- VBCVPMMZEGZULK-NRFANRHFSA-N indoxacarb Chemical compound C([C@@]1(OC2)C(=O)OC)C3=CC(Cl)=CC=C3C1=NN2C(=O)N(C(=O)OC)C1=CC=C(OC(F)(F)F)C=C1 VBCVPMMZEGZULK-NRFANRHFSA-N 0.000 description 2
- 235000020636 oyster Nutrition 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
Images
Classifications
-
- 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
- B21D51/2615—Edge treatment of cans or tins
Definitions
- V I a GEORGE W. KNAPP, OF BALTIMORE, MARYLAND.
- My invention relates to certain dies to be employed in the manufacture of preservecans, such as are used in hermetically sealing fruits, vegetables, oysters, and other articles.
- the object of my invention is to provide dies for turning the ends of sheet-metal canbodies inward and forming on the said inwardturned part a channel or groove adapted as a seat for the cap which closes the can end.
- Figure 1 is a vertical section of a pair of dies for the first operation on the can-body.
- the outer vertical black lines represent the can-body.
- Fig. 2 represents the sectional form of a can-body after it has been subjected to the treatment of the first pair of dies.
- Fig. 3 is a vertical section of a pair of dies for operating on the can-body after it has been subjected to the treatment of the first pair of dies.
- Fig. 4. represents the sectional form of a [inished can-body made by thejoint action of the two pairs of (lies.
- the letter A designates the base part of the first pair of dies, which is avertical cylinder of suitable metal, having a bottom flange, a, pro vided with holes a for securing it.
- the cylinder has a central cavity, 1), in its bottom, and a top, 0, with a central opening through it from the said cavity upward for a bolt, d, the upper end of which has ascrew-thread, d, for connection with a movable die-head, A.
- the bolt (Z connects the said die-head A with the base part A in such way as to allow a vertical movement to the die-head and permit it to be seated on the base part A and also be lifted above its seat.
- a spring, E occupies the eavity Z) in the base part and presses upward against the bolt (7, and thereby keeps the diehead A elevated or lifted from its seat.
- a pin,f is fixed in the top a of the base part and projects upward and loosely occupies a hole, f, in the die-head, and prevents the diehead from turning on the bolt (1, but does not interfere with its vertical movement.
- rim of the die-head A is turned off or rounded, as at r from the vertical wall to the upper flat surface.
- the punch part II of the first pair of dies is above the base part A A, and on its bottom face hasa cavity, 2', and a downward rim, j, the inner circumference, g, of which is concaved or rounded and is the counterpart of the turnedoff top rim, 9, of the die-head.
- Aduct or passage, 45, is in the punch part and leads to the cavity i and serves as an air-vent.
- the cylindric cairbody 7a which in the first instance is straight from top to bottom, is placed on and around the base part A A. (See Fig. 1.)
- the die-head A must be so adjusted on its supporting screw-threaded bolt (1 that the top edge of the can-body will come just below the turned oit' top rim, g,
- the punch part H of the die may then be forced down, and its downward rimj will surround the top edge 76 of the can-body, and as the die-head A yields the said top edge of the can-body will be contracted and take position between the turned'oii' rim 9 of the die-head and the concaved inner circumference, g, ofthe punchrim.
- Vhen the punch part H of the die is raised,the can-body It may be lifted from the base part A, and it will be found that its top end has been contracted or turned inward, as shown in Fig. 2.
- the canbody will then be ready for the treatment of the second pair of dies.
- the base part L of the second pair of dies is a vertical cylinder having a base-flange, in. At the top the cylinder is reduced in size, so as to form a solid rigid center, a, having a vertical wall, 0, and on the exterior of and around said rigid center an an nular seat, 1), the outer edge of ⁇ vhichis highest, and from thence inclines downward and inward toward the said rigid center, whereby the annular seat forms an annular channel, one side, 0, of which is vertical and the other side, 1), of which is inclined.
- the top edge a of the rigid center a is slightly inclined to serve as a bearing for the contracted top edge 7c of the can-body, as shown in Fig. 3.
- punch part Q of the second pair of dies is above the base part L, and has a bottom cavity, r, and avent or air-duct, r.
- a downward rim,j,on the punch has two inner annular vertical faces,0 and L,and an annular channehp, between them.
- the said annular channel 19 on the punch is the counterpart of the annular seat 1) on the base part of thedie.
- the canbody having its top edge is contracted, as shown in Fig. 2, must be placed on the base part L, and its contracted top edge k must rest on the inclined top edge n of the rigid center n. (See Fig. 3.)
- the punch part Q of the die may then be forced down and its two annular vertical faces 0 and L will surround the can-body and compress it upon the base part L of the die, and that part of the sheet metal which is contracted or turned inward will be forced to take position between the vertical wall 0 and the annular seatp on the base part L and the annular channel 19' on the punch part Q.
- the finished can-body may be lifted from the base of the die, and will be found to have its top end turned inward (see Fig. 4) and with a vertical lip, 0 and an annular groove, 1;", around said lip.
- a suitable cap,s,with a right-angled flange, t is to fit over the vertical lip of the can and close the can-top.
- the bottom a of the can may be attached in any desired manner.
- Cans having lips o and caps s of this style are usually sealed with wax or cement.
- a pair of dies for shaping the ends of sheet-metal cans consisting of the base part A, having a central bottom cavity, 1), with a central opening in its top, a die-head, A, above the base part, having a turned-off or rounded top rim, 9, a bolt, d, passed through said central opening and connecting the die-head and base part, and a spring, E, occupying the bottom cavity and pressing up against the said bolt,in combination with a punch part,'H,havinga downward rim,j,the inner circumference, g, of which is concaved as a counterpart to the said rounded top rim. as set forth.
- Two pairs of dies for shaping the ends of sheet-metal cans consisting of the base part A, provided with a verticallymovable die-head, A, having a turned-off or rounded top rim, 9, and a punch part, H, having a downward rim, j, the inner circumference, g, of which is concaved as a counterpart to the said rounded top rim, in combination with the second pair, consisting of the base cylinder,L,having at the top asolid rigid center, 10, with a vertical wall, 0, and around the said center an annular seat, 19, the outer edge of which is highest and forms an annular channel, and the punch Q, having a downward rim provided with two annular vertical faces, 0 and L, and between them an annular channel, 1), which is the counterpart of the said annular seat on the base part,for the purpose set forth.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
Description
G. W. KNAPP.
DIE FOR THE MANUFACTURE OF CANS.
N0. 388,288. Patented Aug. 21, 1888.
V I a GEORGE W. KNAPP, OF BALTIMORE, MARYLAND.
DIE FDR THE MANUFACTURE OF CANS.
SPECIFICATION forming part of Letters Patent No. 388,288, dated August 21, 1888.
Application filed June 27, 1888.
To all whom it may concern:
Be it known that I, GEORGE \V. KNAPP, a citizen of the United States, residing at Baltin1ore,i11 the State of Maryland, have invented certain new and useful Improvements in Dies for the Manufacture of Cans, of which the following is a specification.
My invention relates to certain dies to be employed in the manufacture of preservecans, such as are used in hermetically sealing fruits, vegetables, oysters, and other articles.
The object of my invention is to provide dies for turning the ends of sheet-metal canbodies inward and forming on the said inwardturned part a channel or groove adapted as a seat for the cap which closes the can end.
The invention is illustrated in the accompanying drawings, in which Figure 1 is a vertical section of a pair of dies for the first operation on the can-body. The outer vertical black lines represent the can-body. Fig. 2 represents the sectional form of a can-body after it has been subjected to the treatment of the first pair of dies. Fig. 3 is a vertical section of a pair of dies for operating on the can-body after it has been subjected to the treatment of the first pair of dies. Fig. 4. represents the sectional form of a [inished can-body made by thejoint action of the two pairs of (lies.
The letter A designates the base part of the first pair of dies, which is avertical cylinder of suitable metal, having a bottom flange, a, pro vided with holes a for securing it. The cylinder has a central cavity, 1), in its bottom, and a top, 0, with a central opening through it from the said cavity upward for a bolt, d, the upper end of which has ascrew-thread, d, for connection with a movable die-head, A. The bolt (Z connects the said die-head A with the base part A in such way as to allow a vertical movement to the die-head and permit it to be seated on the base part A and also be lifted above its seat. A spring, E, occupies the eavity Z) in the base part and presses upward against the bolt (7, and thereby keeps the diehead A elevated or lifted from its seat. A pin,f, is fixed in the top a of the base part and projects upward and loosely occupies a hole, f, in the die-head, and prevents the diehead from turning on the bolt (1, but does not interfere with its vertical movement. Thetop Serial No. 278.319. (No model.)
rim of the die-head A is turned off or rounded, as at r from the vertical wall to the upper flat surface.
The punch part II of the first pair of dies is above the base part A A, and on its bottom face hasa cavity, 2', and a downward rim, j, the inner circumference, g, of which is concaved or rounded and is the counterpart of the turnedoff top rim, 9, of the die-head. Aduct or passage, 45, is in the punch part and leads to the cavity i and serves as an air-vent.
In operating the first pair of dies just described the cylindric cairbody 7a, which in the first instance is straight from top to bottom, is placed on and around the base part A A. (See Fig. 1.) The die-head A must be so adjusted on its supporting screw-threaded bolt (1 that the top edge of the can-body will come just below the turned oit' top rim, g,
when the die-head is elevated. The punch part H of the die may then be forced down, and its downward rimj will surround the top edge 76 of the can-body, and as the die-head A yields the said top edge of the can-body will be contracted and take position between the turned'oii' rim 9 of the die-head and the concaved inner circumference, g, ofthe punchrim. Vhen the punch part H of the die is raised,the can-body It may be lifted from the base part A, and it will be found that its top end has been contracted or turned inward, as shown in Fig. 2. The canbody will then be ready for the treatment of the second pair of dies.
The base part L of the second pair of dies (see Fig. 3) is a vertical cylinder having a base-flange, in. At the top the cylinder is reduced in size, so as to form a solid rigid center, a, having a vertical wall, 0, and on the exterior of and around said rigid center an an nular seat, 1), the outer edge of \vhichis highest, and from thence inclines downward and inward toward the said rigid center, whereby the annular seat forms an annular channel, one side, 0, of which is vertical and the other side, 1), of which is inclined. The top edge a of the rigid center a is slightly inclined to serve as a bearing for the contracted top edge 7c of the can-body, as shown in Fig. 3. The
punch part Q of the second pair of dies is above the base part L, and has a bottom cavity, r, and avent or air-duct, r. A downward rim,j,on the punch has two inner annular vertical faces,0 and L,and an annular channehp, between them. The said annular channel 19 on the punch is the counterpart of the annular seat 1) on the base part of thedie.
In operating the second pair of dies the canbody having its top edge is contracted, as shown in Fig. 2, must be placed on the base part L, and its contracted top edge k must rest on the inclined top edge n of the rigid center n. (See Fig. 3.) The punch part Q of the die may then be forced down and its two annular vertical faces 0 and L will surround the can-body and compress it upon the base part L of the die, and that part of the sheet metal which is contracted or turned inward will be forced to take position between the vertical wall 0 and the annular seatp on the base part L and the annular channel 19' on the punch part Q. When the punch Q has been raised, the finished can-body may be lifted from the base of the die, and will be found to have its top end turned inward (see Fig. 4) and with a vertical lip, 0 and an annular groove, 1;", around said lip.
A suitable cap,s,with a right-angled flange, t, is to fit over the vertical lip of the can and close the can-top. The bottom a of the can may be attached in any desired manner. Cans having lips o and caps s of this style are usually sealed with wax or cement.
It will be obvious to any one skilled in the art that the invention is not limited to the particular shape or style here shown of rounding the top rim,g, of the die-head A. Any other curvesuch as a double or ogee curvemay be made.
Having described my invention, I claim 1. Apair of dies for shaping the ends of sheet-metal cans,consisting of a base part, A, provided with a vertically-movable die-head, A, having a turned-offor rounded top rim, 9,
in combination with a punch part, H, having adownward rim, j, the inner circumference, g, of which is concaved as a counterpart to the said rounded top rim, as set forth.
2. A pair of dies for shaping the ends of sheet-metal cans,consisting of the base part A, having a central bottom cavity, 1), with a central opening in its top, a die-head, A, above the base part, having a turned-off or rounded top rim, 9, a bolt, d, passed through said central opening and connecting the die-head and base part, and a spring, E, occupying the bottom cavity and pressing up against the said bolt,in combination with a punch part,'H,havinga downward rim,j,the inner circumference, g, of which is concaved as a counterpart to the said rounded top rim. as set forth.
3. Two pairs of dies for shaping the ends of sheet-metal cans, the first pair consisting of the base part A, provided with a verticallymovable die-head, A, having a turned-off or rounded top rim, 9, anda punch part, H, having a downward rim, j, the inner circumference, g, of which is concaved as a counterpart to the said rounded top rim, in combination with the second pair, consisting of the base cylinder,L,having at the top asolid rigid center, 10, with a vertical wall, 0, and around the said center an annular seat, 19, the outer edge of which is highest and forms an annular channel, and the punch Q, having a downward rim provided with two annular vertical faces, 0 and L, and between them an annular channel, 1), which is the counterpart of the said annular seat on the base part,for the purpose set forth.
In testimony whereof I affix my signature in the presence of two witnesses.
GEORGE W. KNAPP.
Witnesses:
J OIIN E. Momns, J NO. T. MADDOX.
Publications (1)
Publication Number | Publication Date |
---|---|
US388288A true US388288A (en) | 1888-08-21 |
Family
ID=2457269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US388288D Expired - Lifetime US388288A (en) | Die for the manufacture of cans |
Country Status (1)
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3687098A (en) * | 1971-03-19 | 1972-08-29 | Coors Porcelain Co | Container necking mechanism and method |
US3977340A (en) * | 1971-09-27 | 1976-08-31 | Metal Box Limited | Diaphragm closed cans |
US5469729A (en) * | 1993-11-23 | 1995-11-28 | Ball Corporation | Method and apparatus for performing multiple necking operations on a container body |
-
0
- US US388288D patent/US388288A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3687098A (en) * | 1971-03-19 | 1972-08-29 | Coors Porcelain Co | Container necking mechanism and method |
US3977340A (en) * | 1971-09-27 | 1976-08-31 | Metal Box Limited | Diaphragm closed cans |
US5469729A (en) * | 1993-11-23 | 1995-11-28 | Ball Corporation | Method and apparatus for performing multiple necking operations on a container body |
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