|Publication number||US942141 A|
|Publication date||Dec 7, 1909|
|Filing date||Jan 5, 1909|
|Priority date||Jan 5, 1909|
|Publication number||US 942141 A, US 942141A, US-A-942141, US942141 A, US942141A|
|Original Assignee||American Stopper Company|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (27), Classifications (1)|
|External Links: USPTO, USPTO Assignment, Espacenet|
E. HOFFMAN. JAB. AND BOTTLE CLOSURE. APPLICATION FILED JAN. 5, 1909.
942, 1 4 1 Patented Dec. 7, 1909.
2 SHEETS-SHEET 1.
JAR AND BOTTLE CLOSURE. APPLICATION PILBD- JAN. 5, 1909.
, 942,141. Patented Dec.7 ,1909.
JIM/(200%: I I I 514, 00 vL-loz UNITED STATES PATENT canton.
EDMUND HOFFMAN, OF NEW YORK, N. Y., ASSIGNOR TO AMERICAN STOPPER COMPANY,
A CORIORATIOZN- OF NEW JERSEY.
JAB- AND BOTTLE CLOSURE.
- Specification of Letters Patent.
To all whom it may concern:
Be it known that I, EDMUND HOF MAN, a citizen of the United States, and a'resident of the city of New York, county of Kings,
. is a specificatiom The object of my invention is to provide an eflicient jar closure in which a practical seal will be provided, and in which the cost of producing will be very much below that of jar seals of this kind now in use.
Prior to my invention, so far as I am aware, jar and bottle closures or seals embodying threads or projections formed on.
the jar neck and cooperating projections on the cap have been employed in various forms, and the caps have been made of vari-- ous materials] In all cases where metal has been employed for making the cap, in order that its cooperating projectionsbe strong enough .to resist the internal pressure exerted against the cap and the stresses .due to the engagement of the cap and jar, the cap has been made of very strong metal. Strength in this regard has almost invariably been provided by using heavy or thick metal. In none of these structures was the 'spring of the metal utilized to insure the reshape of the cooperating parts on the cap and jar, this wasnot feasible.
My invention, primarily, involves the idea of using very thln metal for the cap, to the end that the'cost of production of the closure may be materially reduced, and. incidentally, to provide a seal wherein the engaging projection of the cap is supported when the cap is sealed to the ar. by an abutment on the jar conforming to the shape or inclination of the projection on the cap, to the end that the spring of the metal maybe availed of to clench' the cap to the jar while the abutment gives sup ort to the metal preventing it from being istorted by the presence of internal pressure against the cap, the spring clenching or locking the cap to the jar so that it Wlll not become inadvertently dislodged, but which will permit it to be readily removed when required. So far as the idea of the cooperating cap projection of the arrows.
and jarabutment are concerned, it is not essential that the cap be made of metal, as the benefits'of my invention in this regard may be measurably realized by making the cap of material which has no inherent spring.
This and other objects are accomplished by my invention, one embodiment of which is described below. v
For a more particular description of my invention, reference is to be had to the accompanying drawings forming part hereof, in which:
Figure 1 is a side elevation of a jar provided with my improved cap. Fig. 2 is a similar view with the cap removed. Fig. 3 is a plan view of the structure shown in Fig. 2. Fig. 4 is a sectional view taken on the line 44 of Fig. 1, looking in the direction Fig. 5 is a sectional view taken on the line 5--5 of Fig. 1, looking in the direction of the arrows. .Fi 6 is an enlarged elevation of a portion 0 a cap provided with m improvements; and Fig. 7 is an inverted p an view of the same. Figs. 8 and 9 are sectional views taken on the lines 88 and 9-9 respectively, of Fig. 7, looking in the direction of the arrows.
Throughout the various views of the drawings, similar reference characters designate similar parts.
In the embodiment of my invention as disclosed herein, at 1 is shown my improved cap and at 2 my improved bottle or jar. The cooperating elements on the ar comprise angular or bayonet-joint like grooves 3 having lower wall 4 inclined at an angle which may be about to a plane parallel to the top of the jar. The upper wall 5 ot each of these grooves 3 has its lower edge converging toward the inner end 5 of the groove for a portion of its length, the terminal of the groove having the edges of both its walls parallel as at 5 Fig. 2. The cap which is conventionally formed, except for my improvements;comprises the top 6 and a pendent annular flange 8. The cap is provided with a packing 7 of suitable material.
The cap may be also provided with projections 9 to enable the cap to be turned readily by hand, but these are not essential and may be omitted, and any other form of projections may be employed. In the embodiment shown herein, four grooves 3 are employed,
but the number is not essential. I have shown four elements on the cap adapted to engage the jar elements, but it is apparent inclined.
The operation is substantially as follows: Each of the lugs 10 is inserted in the mouth of the groove 3 until the inclined surface of the lug appears on the inclined surface of the wall 4- 0f the groove. The cap is then turned until the lug passes beyond the mouth, at which time its inclined edge engageswith the inclined wall 5 of the groove. A continuation of this turning movement slightly springs the metal of the lug so as to increase 1ts frictional contact, with the jar,
. and a continuation of the movement brings the lug into the contracted terminal 5 of the groove. During this entire turning movement each lug has been supported by the illclined wall 4.- of the groove and when the lug is turned home into the terminal 5, the
upper edge of the lug will be somewhatv sprung and will engage the upper wall 5' of the terminal so that the lug will be firmly supported below by an inclined abutment, its metal slightly sprung and held with firm frictional contact against the upper wall 5" ofthe terminal of the groove. It will be clear from the foregoing that should the stresses due to placin the cap on the jar,
which is very often done initially by .machinery, tend to bend the metal of the lugs they-will be supported by the inclined abutment at all times; and that when pressure is brought against the cap from inside the jar the sprin of the metal in the-lugs can be availed 0%, at the same time the bending of the same to such an extent as to unseal the cap will be effectively prevented by the support which the abutment gives to .the lug; and the combination of the slightly resilient lug with the contracted terminal of the jar grooves, the inclined lug and inclined abutm'ent further clenches or locks the ca on' the jar so as to effectively prevent inadvertent displacement of the cap, at thesame time permittingthe' same to be turned with comparative ease to remove the ca. from the jar. From the foregoing it 'wi be apparent that my invention can be embodied in forms other than those disclosed herein, coming within thepur'view of the annexed claims.
Having described my invention, I claim: 1. The combination of a jar and a cap having an annular pendent flange and means for attachingthe cap and jar together comprising an inwardly and upwardly inclined lugon the cap flange and a groove on the jar having an inwardly and upwardly inclined abutment for cooperation with said lug.
2. The combination of a jar having a plurality of grooves formed in its upper edge,
each groove comprising an enlarged opening, a gradually c ontracting extension from the opening and a lower and upwardly inclined wall, and a cap having a pendent annular flange and a cooperating series of inwardly and upwardly extending lugs adapted to be entered into said grooves and engage the same.
3. The combination with a jar having grooves formed in its exterior with inclined lower walls and gradually decreasing in diameter, of a cap having a pendent annular flange, inwardly and upwardly inclined lugs formed in the flange, with the angle of incli nation corresponding with that of the lower wall of the grooves and bearing thereagainst, the upper edge of said lugs being inclined to the horizontal.
4. In a device of the class described, a jar or bottle neck having bayonet joint like grooves with inclined lower edges.
5. In a device of the class described, a bottle neck having bayonet-joint like grooves with inclined lower edges, and a cap with lugs struck therefrom having surfaces adapted to engage said bevel edges and force the top of said lugs against the upper wall of said bayonet-joint like grooves.
6. I11 a device of the class described, a bottle neck having bayonet-joint like grooves .with inclined lower edges, and a sheet metal cap having lugs struck therefrom ada )ted to enter said grooves and having sur aces enga ing -said inclined [lower edges and there y forcing the upper edges of said lugs against the upper walls of said grooves.
Signed at the city of New York, county of New York, this 4th day of January, 1909. I EDMUND HOFFMAN. Witnesses:
GUsTAvE I. ARoNon), HARRY RADZINSKY.
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