US1082892A

US1082892A - Sealing device for cans, &c.

Info

Publication number: US1082892A
Application number: US67219912A
Authority: US
Inventors: Stephen W Milligan; Jacob F Jacobsen
Original assignee: MANUFACTURERS CAN Co
Current assignee: MANUFACTURERS CAN Co
Priority date: 1912-01-19
Filing date: 1912-01-19
Publication date: 1913-12-30
Anticipated expiration: 1930-12-30

Description

S. W. MILLIGAN & J. F. JAOOBSEN.

SEALING DEVICE FOR CANS, 6m. APPLICATION FILED JAN. 19, 1912.

1,082,892, Patented Dec. 30, 1913.

UNITED STATES PATENT OFFICE.

STEPHEN W. MILLIGAN, 0F ELIZABETH, AND JACOB F. JACOBSEN, OF NEWARK, NEW

JERSEY, ASSIGNORS TO THE MANUFACTURERS CAN COMPANY, OF NEWARK," NEW JERSEY, A CORPORATION OF NEW JERSEY.

SEALING DEVICE FOR CANS, 8w.

Specification of Letters Patent.

Patented Dec. 30, 1913.

Application filed January 19, 191-2. Serial No. 672,199.

To all whom it may concern.

Be it known that we, STEPHEN W. Minni- GAN, residing in Elizabeth, county of Union, State of New Jersey, and JACOB F. JAcoB- sins, residing in Newark, county of Essex,

State of-New Jersey, citizens of the United States, have invented certain new and usefuLImprovements in Sealing Devices for Cans, &c., of which the following is a specification.

The primary purpose of this invention is to provide a convenient economical sealing device for cans provided with necks or spouts such, for instance, as those ordinarily used for varnish.

The different members of the seal are made of sheet metal and the spout of the can and members of the sealing device-are so related or adapted to each other that one memberwill serve as a conveniently removable stopper "both before the can is filled and after it is opened or the seal broken by the user.

In the accompanying drawing, illustrating one embodiment of the invention, F igure 1 is 'a side elevation of the sealing member; Fig. 2, a similar view of the plug member; Fig. 3, a sectional view showing the plu member used as a mere plug or stopper int c spout of the can; Fig. 4, a sectional view showing the sealing member of the seal-secured in place in the can spout; Fig. 5, a similar view illustrating what is shown in Fig. 4 with the addition that the stopper member of the seal is seated in the sealing member; and Fig. 6, a detail sectional view showing the use of a gasket.

1 indicates the top of a can of any construction and 2 the spout thereof. The

spout is of sheet metal, such as apropen grade of tin and, adjacent its top, has impressed, stamped or embossed in it a screw thread 3. Its upper edge is formed by an outwardly turned flange 4. This spout, except for the screw. thread 3, is in all respects similar to can spouts as generally made and isadapted to have spun over its flanged edge, the flange of a sealing disk in the ordinary manner now practised. The seal ing member 5 is cup-shaped and is formed with a flange 6 ada ted to be spun over the flanged edge 4 o the spout and below the flanged edge 6 there is impressed, stamped or embossed in the circumferential wall of the sealing member a thread 5 adapted to enter and engage the thread 3 of the spout.

When the can has been filled, the sealing member 5 is screwed down into the spout and then its flange 6 is, by the use of an ordinary tool, bent over and crimped around the flange 4 of the spent. The user may conveniently open the seal by cutting out the bottom of the sealing member 5.

The second member 7 of the seal, which may be called a plug or stopper, is of sheet metal and is cup-shaped. Its head or upper portlon 8 is formed with peripheral nurlings 9 and lts lower tapered portion 10 has impressed, embossed or stamped in its circumferentialwall a screw thread" 11. The taper and thread are suchthat the plug will enter and engage the thread 3 of the spout and will also enter and engage the thread 5? of the sealing member 5. The under face of the head portion of the plug is formed as an annular conc'ave 12 upon the top of which, within the head, may be'seated a disk 13 held in place by spinning over the upper edge 14 of the head 8 of the plug.

The disk 13 may be embossed or otherwise provided with names, trade marks, etc., in any appropriate way.

Customers of can manufacturers usually desire that when cans are shipped to them they shall be stoppered; and in many instances ordinary corks are employed. This is for the purpose of preventing dust or dirt of any kind entering the cans during transportation or storage. In the present sealing devioe, the plug '8 screwing into the threaded spout, as illustrated in Fig. 3,

advertising matter,

forms a readily removable closure or stopper inserted by the can manufacturer before shlpment. After filling, the sealing member 5 is screwed into the spent and at tached to its flange, as already described and as shown in F ig l, and then the plug is screwed into the sealing member. The plug being tapered may act to expand radially the circumferential wallsof the sealing member 5 to carry them into intimate contact (if they are not already so related) with 'the circumferential threaded wall of the spout. Should the seal of itself not be so applied as to make a perfect closure, the plug may by radially expanding afford a perfect sealing of the can. In Flg. 6, however, there is shown a packing gasket 15 interposed between the flange edges of the spout and sealing member 5.

When the painter or other user of the contents of a can, sealed as described, de-

' parts are all made of sheet metal of suitable grade and may be manufactured at very small cost.

In the drawings, for convenience of illustration of course, contiguous faces of the spout, sealing member and plug have been shown slightly'separated so that the construction may readily be read from the drawings. In practice, of course, contiguous surfaces will be in contact. I

We claim:

1. A can seal comprising the combination of a tapered can spout having in it circum ferentially a screw thread adjacent its outer end and an annular laterally projecting flange at its outer end, a tapered sheet metal cup-shaped sealing member having a thread in its circumferential wall engaging the thread in the spout and a flange crimped around the flange of the spout.

2. A can sealing device comprising a tapered can spout having in it circumferentially a screw thread and at its outer end a laterally projecting flange, a tapered cupshaped sealing member having impressed in its circumferential wall a screw thread adapted to engage the thread in the can spout, and having a flange crimped around the flange ofthe spout and a tapered plug having a circumferential thread adapted to engage either the thread inthe sealing memher or the thread in the can spout.

' 3.' A can seal comprising the combination of a can spout secured in and projecting upwardly from the can top, and a sheet metal cup-shaped sealing. member closed at the bottom, fitting in the spout and permanently rigidly secured at its upper edge to the edge 'of the spout, the sealing member being adapted to receive a removable closure plug.

In testimony whereof, we have hereunto subscribed our names.

STEPHEN W. MILLIGAN. JACOB F. JACOBSEN.

Witnesses:

FLORENCE E. CoUeLE, MILTON L'. Orr.