US1214523A - Metal top for bottles and like receptacles. - Google Patents

Description

A. L. EDWARDS.

METAL TOP FOR BOTTLES AND LIKE RECEPTACLES.

APPLICATION FILED NOV. 6. I915.

Patented Feb. 6, 1917.

INVENTOR WITNESSES ALONZO L. EDWS, 0F WHEELING, W'EST vmsmra, ASSIGNOR T0 WHEELING STAMPING COFIPANY, 0F WHEELDTG, WEST VIRGINIA, A CORPORATION OF wnsr n Specification of Letters Patent.

Patented Feb. 6, 1917.

Application filed November 6, 1915. Serial No. 59,999.

To all whom it may concern:

Be it known that I, ALoNzo L. EDWARDS, a citizen of the United States. residing at Wheeling, Ohio county, West Virginia, have invented a new and useful Improvement in Metal Tops for Bottles and like Receptacles, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, forming part of this specification, in which- Figure 1 is a perspective View showing a partially formed body of a cap. Fig. 2 is a sectional view of the top member of the cap. Fig. 3 is a, view partly in side elevation and partly in section showing the two members assembled and the cap partially completed. Fig. 4 is a side view of a completed cap. Fig. 5 is a plan view of the completed article. Figs. 6 and 8 are side views showing two difi'erent modifications of the completed article, and Fig. 7 is a vertical section of the article shown in Fig. 6.

My invention has relation to metal caps for bottles and similar receptacles; and is 1 designed to provide a screw-cap of this character which can be readily and cheaply manufactured from two separate pieces of metal without injury to the enamel or other coating of the previously coated metal used, and which will be neat in appearance and serviceable in use.

Referring first to that form of my invention shown in Figs. 1 to 5, inclusive: In the manufacture of the cap I take a, strip of sheet metal which has been prevlously.

coated or enameled, bend it to form a cylindrical body 2, and secure its meeting edges by any suitable "form of seam, as indicated at 3. The top or closure member is formed from a disk of similar sheetmetal, which is preferably stamped or pressed into the form shown, in which it has the central raised portion 4 surrounded by the annular groove 5, and having a. depending annular flange 6. The annular space between the inner surface of the upper portion of the flange 6 and the outer surface of the outer wall of the groove 5 forms a seat 7 for the upper edge portion of the body 2. The top member is forced over the upper edge of the body 2 and the parts are then subjected to a clenching action whereby the annular groove 5 is closed and the walls of the seat? are comsomewhat inwardly by the operation, as

shown at 8 in Fig. 2. Either at the same time, or by a separate operation, the overlapping portions of the flange 6 and body portion 2 are vertically corrugated or crimped, as shown at 9, these crimps extending through to the inner surface of the body portion, as shown in Fig. 3. The body portion is also corrugated as indicated at 10 to form non-continuous or broken threads, by means of which the cap may be screwed upon the threaded neck of a bottle or like receptacle. This corrugating may be done at any stage in the operation. The lower edge portion of the body 2 is turned upwardly to form a bead or wire 11. The corrugations 10 do not extend across the vertical seam 3, and are preferably broken in a number of places, thus leaving intermediate uncorrugated vertically extending portions 12. These act in the nature of struts to better resist the compressive strains which take place during the operation of forming the bead or wire 11. By making the corrugations non-continuous at the seam.

3, the operation of corrugating is greatly facilitated, since it is only necessary to corrugate a single thickness of metal.

In the form shown in Fi 6 and 7 the depending flange portion 6 of the top member, instead of being corrugated, is bent backwardly, and the overlapping portions of said flange and of the body portion are shaped to form the bead 13. In this form vertical corrugations 9 may or may not be used below the top member.

The form shown in Fig. 8 is generally similar to that shown in Figs. 6 and 7, but the corrugations 14 are continuous except at the vertical seam 3. They terminate at both ends short of this seam.

My invention provides a metallic twopiece cap in which the operations of forming and assembling the parts are simple,

thus enabling the caps to be manufactured and sold at a relatively low cost. The cap is also neat in appearance and forms a strong and serviceable article. My invention is, of course, not limited for use with sheet metal which has previously been coated or-enameled.

I claim:

1. A two-part metal cap of the character described, comprising a sheet metal openend body portion, and a top member closing one end of the body portion, the top memher having an annular depression in its upper surface and having a depending flange fitting over the upper edge of the body portion and extending below the bottom of the depression, the space between the outer wall of said depression and said flange forming a seat for the body portion, and the walls of said depression, the upper edge of the body portion and the base of the flange being pressed together to form a four-ply locking seam, the edge of the flange extending below said seam and forming with the body portion a two-ply portion of the cap, a portion at least of said flange being bent inwardly with the registering part of the body portion whereby a projectin raw edge is avolded, substantially as descrl ed.

2. A two-part metal cap of the character described, comprising a sheet metal openend body portion, and a top member closing one end of the body portion, the top member having an annular depression in its upper surface and having a depending flange fitting over the upper edge of the body portion and extending below the bottom of the depression, the space between the outer wall of said depression and said flange forming a'seat for the body portion, and the walls of said depression, the upper edge of the body portion and the base of the flange being pressed together to form a four-ply locking scam, the edge of the flange extending be low said seam and forming with the body portion a two-ply portion of the cap, the

edge of said flange and the registering part of the body portion being crimped and forced inwardly so that the crimped edge of the flange is substantially flush with the body portion whereby a projecting raw edge is avoided, substantiall as described.

In testimony whereo I have hereunto set my hand.

ALONZO L. EDWARDS.

Witnesses JOHN W. FULLERTON, LOUIS COLMAN, Jr.

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