US1419314A - Sheet-metal can - Google Patents

Description

l. E. SEXTON. SHEET METAL CAN. APPLICATION FILED oc. 29, I9I9.

Patented June 3&3, R922,

LiL-t,

NETE@ STATES ISAAC E. SEXTON, OF BOSTON, MASSACHUSETTS.

SHEET-METAL CAN.

Application led October 29, 1919.

To all whom it may concern.'

Be it known that l, yISAAC E. SiixroN, a citizen of the United States, residing at Boston, in the county of Suffolk and State of lilassachusetts, have invented new and useful Improvements in Sheet-Metal Cans, of which the following is a specification.

This invention relates to a can used for containing liquids, and provided with a pouring nozzle or mouth which is tightly closed when the filled can is marketed, and is adaptedv to be repeatedly opened and closed, the mouth being originally closed to afford a maximum protection to the contents, and adapted to be opened and'closed, although not so tightly as before.

The invention is embodied in the improvements which l will now proceed to describe and claim.

Of the accompanying.,drawings forming a part of this specification,-

Figure 1 is a side view of a portion of a can provided with a mouth embodying the invention.

Figure 2 is a section on line 2--2 of Figure 1.

Figure 3 is a sectional view, showing the mouth and its neck and flange without the ca f Tn Figurel T show a portion of a sheetmetal can body having a sheet-metal mouth 13, here shown as a pouring nozzle. The mouth 13 is a cylindrical tube, and is extended to form an annular neck 14 projecting outwardly from the outer' end of the mouth, and forming an upwardly facing annular seat which limits the movement, to its operative position, of the cap hereinafter described, the said seat being in a plane at right angles with the axis of the mouth 13. 15 represents a cylindrical tubular Harige extending inward from the outer -portion of the neck, and provided with an outwardly projecting lip 22 at its lower end. The outer surface of the Harige 15 forms a cylindrical external friction face, which is coaxial with the mouth 13, and is flush with the outer margin of the neck 14, so that said neck does not obstruct the movement of the flange of the above-mentioned cap to its operative position.

rlllie body 13, neck 14, and lip 22 are integral with each other and constitute a onepiece member, provided ,by suitably forming a sheet metal blank. The cap hereinbefore referred to'includes a head 19, which Specification of Letters Patent.

Patented June 13, 1922..

Serial No. 334,174.

is in a plane parallel with the seat formed by the neck 14 when the cap is in place, and a cylindrical ange 2O integral with and eX- tending inwardly from the head, and provided at its inner edge with an outwardly projecting annular lip 21. The inner surface of the cap flange 20 forms acylindrical internal friction face, adapted to cooperate with the external friction faceof the flange 15 in forming a tight frictional joint or union between the two flanges.

When the can has been filled, sealing means may be deposited on the seat formed by the neck 14, said means being, for example, a. cover 25, formed as shown by Figure 2. The cap is then forced to place until the cap head 19 abuts against the sealing means, and the cap Harige 20 cooperates with the flange 15 in forming a firm frictional joint. The arrangement is such that when said joint is formed, and the movement of the cap to its operative position is arrested by the neck 14, the lips 21 and 22 are slightly spaced apart, to permit the removal of the cap by a prying tool inserted between said lips, the lip 22 constituting a fulcrum for said tool. j

The lips 21 and 22 are preferably rolled to a substantially tubular form, so that they are adapted to support the pressure of a prying tool without being indented thereby.

ltt will be seen that the outwardly projecting neck 14 stilfens the mouth 13, and leaves said mouth entirely unobstructed when the cap is removed, so that it does not obstruct the flow of liquid from the can. Said neck supports the flange 15 without obstructing the external friction face of the latter, so that the internal friction face of the cap fiange is movable into and out of engagementwith the saidexternal friction face.

T claim:

1. A sheet metal can comprising, in combination, a one-piece sheet metal member including a tubular mouth, an annular neck bent outward from the outer end of the mouth, and a tubular flange extending inward from the neck, and provided at its inner end with an outwardly projecting annular lip, the external surface of the fiange constituting an external annular friction face coaxial with and surrounding the mouth; and a cap including a head and an annular flange projecting inwardly from the head and providedat its inner edge with an outwardly projecting annular lip, the inammala of the cap by a prying tool inserted between the lip-e.

2. A sheet metal can substantially as specified by claim l, 'the said lips being' rolled to a substantially tubular form, and therebyadapted to support the pressure of a pryin tool Without being indented thereby.

n testimony whereof ll have affixed my4 signaturea llSAC E. SEXTN.

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