US2195698A - Closure for bottles and receptacles - Google Patents

Description

April 2, 1940.

HAGGENMILLER CLOSURE FOR BOTTLES AND RECEPTACLES Filed Oct. 14, 1937 INVFNTO 6727771 Ila)" ATl'ORZZYS Patented Apr. 2, 1940 PATENT OFFICE CLOSURE FOR BOTTLES AND BECEPTACLES Franz Haggenmiller, Munich, Germany, assignor to Karl Haggenmilier, Munich, Germany Application October 14, 1937, Serial No. 169,033 In Germany October 24. 1936 4 Claims.

This invention relates to seals for receptacles, especially bottles, of the kind in which metal caps are used with a sealing disc or layer of cork or other material within or beneath them. Such receptacles are known in which an outer cap that is adapted to be torn open serves as means for securing an inner cap or sealing disc or washer. Experience has shown that it is not altogether a simple matter to apply such seals upon receptacles and to remove them. According to the invention these disadvantages are avoided.

According to the invention the crimped flange of the outer cap engages by means of a number of corrugated parts under the inner cap or sealing disc and holds the latter within the outer cap. At the same time the tearing tongue piece of the outer cap extends in a smooth out near to the flange thereof and can consequently be easily torn open without the possibility of the receptacle seal being unintentially and prematurely opened.

The invention comprises the features hereinafter described.

The invention is illustrated by way of example in the accompanying drawing, in which Figure 1 is a plan of a seal constructed according to the invention.

Figure 2 is a side view of the seal illustrated in Figure 1.

Figure 3 is a plan of the seal illustrated in Figure 1 seen from beneath.

Figure 4 shows on an enlarged scale part of the seal illustrated in Figure 1.

Fig. 5 is a modification of the arrangement shown in Fig. 4, and

Fig. 6 is a plan view of a modified form of seal.

In carrying the invention into effect as illustrated in the accompanying drawing, a seal is provided comprising an outer cap I formed of metal and having a crimped flange 2 and a tearing tongue piece 3 and within which is located a sealing disc 4 provided with holding clamps 5, the disc 4 and clamps 5 constituting an inner cap.

Of especial importance is the formation of the cap I which serves as means for effectively holding the inner cap 4, 5 in place. According to the invention, as shown in Figure 3, some of the inner parts I! of the crimped flange of the outer cap I are turned slightly over the inner cap 4, to facilitate holding these parts together, for the application of the seal to a receptacle. By these means the inner cap is retained within the outer cap whereby they are held together upon being applied, for example to a bottle, so that it is not possible for the inner cap to be disturbed or to fall out. In those cases in which the inner cap takes the form of an outwardly extending sealing disc, the finger-like holding clamps 5 of the sealing disc are pressed tightly on the mouth of the bottle or upon or around an outwardly extending flange or bead near the bottle mouth, by the corrugated parts I2 of the crimped flange 2 which, in the act of applying the outer cap, are turned inward. In this way the sealing disc is assured of a perfectly secure seat on the bottle.

According to the invention, provision is furthermore made on the tearing tongue piece 3 of one or more lateral extensions, which have one or more oblique edges. In this way the outer cap is prevented from rising and therefore being unintentionally torn open. The extensions of the tongue piece on the outer cap can be variously formed. Thus for example an oblique edge on one extension of the tongue piece would suflice to hold the tongue piece in the plane of the top part of the outer cap. According to the invention care is thus taken to ensure that parts of the extension or extensions to the tearing tongue piece engage under parts of the top of the outer cap. Particularly advantageous however are two extensions of the tongue piece which are of dove-tail shape for the purpose of. preventing itsv arching up of itself. These dove-tail-shaped extensions are indicated 6 in the drawing and they are so formed that their wide part is directed outwardly.

The slipping underneath or insertion of the dove-tail-shaped extensions 6 of the tongue piece is effected preferably on the application of the seal to the bottle, that is to say on the contraction of the flange 2 of the outer cap over the inner cap and the bead of the bottle. During this operation, the part of the top of the outer cap that surrounds thetearing tongue piece is drawn outward and the oblique edges 1 of the extensions slip under the opening produced by the punching-out of the tongue piece. This is clearly shown in Figure 4. The oblique edges of the extension 6 thus slipped under the adjacent parts of the cap are shown in dotted lines in the slipped-under position and in that position are indicated at 8. In special cases, however, the oblique edges 8a. of the extensions might be forced outward to a position beneath the top of he outer cap as shown in Fig. 4.

The slipping-under of the oblique edges need not result from the application of the can itself but may be eifected by arching the tongue piece 3. The arching oi the tongue piece is shown in Figure 2. The arch may be applied to the tongue piece either before or during the application of the seal upon the bottle.

As will be seen from Figure 1, the tongue piece 3 advantageously extends to the corner between the top and flange 2 of the outer cap. The part that extends to the flange of the cap is marked l I in the drawing. This formation of the tongue piece ensures against the tongue piece tearing on! before the tearing open of the outer cap. Furthermore this part of the tearing tongue piece admits oi the easy spreading out of the cap, so that the extensions 6 are definitely inserted beneath the top of the cap, and the seal can be securely and effectively pressed and held down by the crimping oi! the flange 2 upon the inner cap and the bead oi the bottle.

In some cases it may however be advisable that the part i I of the tongue piece is only marked out as for example by scoring.

Such an arrangement is shown in Fig. 6 in which the tongue piece 3 is connected with the top I! of the outer cap by narrow strips of the metal.

The outer cap oi! the sealing device illustrated may be made oi. very thing sheets of metal for example of a thickness of 0.15 to 0.12 mm. so that the sealing device can be easily torn open while also insuring good grip.

The sealing disc 4 may be formed of cork or other sealing material commonly employed in such seals, it being understood that the inner cap is separable from the outer cap and cap may be repeatedly used.

I claim:

1. A closure for bottles and other receptacles, comprising an inner sealing cap that can be used 4 as often as desired. an outer cap provided above said inner cap and serving as means for securely holding said inner cap, a crown part on said outer cap, a tearing-out tongue piece partially punched out from said crown part, outwardly extending new dove tail shaped extensions of said tongue piece for holding the tongue piece in the plane of said crown part, an arch in said tongue piece adapted as means for depressing said dove-tail shaped extensions beneath the said crown part, and an integral corrugated flange having projections on the inner iolded parts engaging said inner cap for binding said outer cap to the inner cap.

2, A closure for bottles and receptacles, comprising an expansible inner cap that can be used as oiten as desired including finger-like holding clamps adapted to embrace a bead on the bottle or receptacle and a sealing disk in the inner cap, a, superposed outer cap to hold and seal the inner cap including a top part, a tearing tongue stamped out or said top part, a flange of slightly greater depth than the depth of the clamps oi the inner cap, corrugations on said flange, certain of said corrugations being deeper than others to hold the inner cap within the outer cap before being applied to the bottle, all corrugations serving to hold together the finger-like clamps oi the inner cap after being applied.

3. A closure for bottles and receptacles comprising an expansible inner cap that can be used as often as desired including finger-like holding clamps adapted to embrace a bead on a bottle or receptacle and a sealing disk in the inner cap, a superposed outer cap to hold and seal the inner care, said outer cap including a top part, a tearing tongue stamped out of said top part of greater depth than the finger-like holding clamps, and a corrugated flange, the corrugations of said flange engaging and holding the inner cap withing the outer cap extensions on said tearing tongue located on a line extendingv diametrically of and cooperating with the top part of the outer cap to retain said tearing tongue in position.

4. A closure for bottles and receptacles as claimed in claim 2 characterized in that all of the corrugations are of the same length in the direction or the depth of said flange.

FRANZ HAGGENMIILER.

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