US2791357A

US2791357A - Combination closure and disappearing pouring spout construction

Info

Publication number: US2791357A
Application number: US475422A
Authority: US
Inventors: Harry W Nelson
Original assignee: Individual
Current assignee: Individual
Priority date: 1954-12-15
Filing date: 1954-12-15
Publication date: 1957-05-07
Anticipated expiration: 1974-05-07

Description

NELSON 2,791,357

Harry N Nelson May 7, H W

COMBINATION CLOSURE AND DISAPPEARING POURING SPOUT CONSTRUCTION Flled Dec 15, 1954 v i 5 c COINATION CLUSURE AND DISAPPEARING POURING SPQUT CONSTRUCTION Harry W. Nelson, Rockford, Iii.

Application December 15, 1954, Serial No. 475,422

1 Claim. (Cl. 222-525) This invention relates to combination closure and disappearing pouring spout constructions for cans intended for use with liquids of all kinds.

The principal object of my invention is to provide a pouring spout of simple and economical construction designed for suspension inside the top portion of the can in retracted position and for threaded connection with the top of the can in extended position.

Special features of the present construction are:

(1) A slight flare on the outer end of the spout which provides a supporting annular flange for suspension of the spout in the can by engagement on top of a neck provided on the top of the can, the flange also cooperating with a closure cap applied to the neck to clamp the spout in the retracted position, besides being useful also as a means of lifting the spout with the finger-tips and providing an ideal pouring lip;

(2) An externally threaded enlarged attaching neck portion on the inner end of the spout, which is threadable inside the internally threaded neck on the top of the can to support the spout in its extended position and at the same time provide a liquid tight seal at the joint or one that is tight enough for practical purposes, and

(3) A flexible metal tube, which may or may not be provided, serving as the inner end portion of the spout and joined to the attaching neck portion of the spout, so that when the spout is extended it can be flexed laterally for more convenient pouring.

The invention is illustrated in the accompanying drawing, in which- Figs. 1 to 3 illustrate the at present preferred form of combination closure and disappearing pouring spout construction of my invention, showing the spout in Fig. l in the retracted position, in Fig. 2 in a partially extended position, and in Fig. 3 in extended pouring position, and

Fig. 4 is a view similar to Fig. 3 showing a modified or alternative construction.

Similar reference numerals are applied to corresponding parts throughout the views.

Referring to Figs. 1 to 3, the reference numeral 8 designates a tin can which may be of any suitable size, the same having a flat top wall 9 in one corner portion of which the combination closure and disappearing pouring spout of my invention is provided as indicated generally by the reference numeral 10. This assembly 10 includes a formed sheet metal neck 11 suitably mounted in a hole 12 in the top 9 and providing internal and

external threads

13 and 14, respectively, this neck having an intumed annular top flange 15 defining an opening 16 through which the cylindrical sheet metal spout 17 is extensible, as appears in Figs. 2 and 3, from the retracted position shown in Fig. 1. In the retracted position the spout is supported by the flared upper or outer end prtion 18 which engages around the hole 16 in the intumed flange 15 on the neck 11, as seen in Fig. 1. This flared 2,7 91,357 Patented May 7, 1957 portion 18, in other words, defines a supporting annular flange engaging the top of the neck 11 for support of the spout in the retracted position, and it is also useful as a means of lifting the spout with the finger tips, and it also provides an ideal pouring lip. When the closure cap 19 is threaded on neck 11, using the external threads 14, a gasket 20 of cork or other suitable compressible material provided inside the top thereof bears against the flange defined by the flared end 18 of the spout 17 and also bears against the flange 15 on top of the neck 11 to seal the can tightly and clamp the spout in the retracted position so that it is not apt to rattle. There is an externally threaded enlarged attaching neck portion 21 of sheet metal construction provided on the inner end of the spout 17 that is threadable inside the neck 11, using the internal threads 13, to support the spout in its extended position, as shown in Fig. 3, and at the same time provide a liquid-tight seal at the joint, or a seal that is tight enough at least for practical purposes. If desired, a gasket ring of rubber or cork may be provided around the lower end of the spout 17 on top of the neck 21, as indicated in dotted lines at 22 in Fig. 2, and this ring will serve by compression between the top of the neck 21 and the bottom of the flange 15 to seal the joint and prevent leakage during pouring.

As shown in Fig. 4, a flexible metal tube 23 may be provided between the inner end of the spout 17a and the attaching neck portion 21 and soldered or otherwise suitably secured at its opposite ends to the spout and neck. In that Way, the spout, when extended, can be flexed laterally for more convenient pouring, in the manner indicated in Fig. 4.

It is believed the foregoing description conveys a good understanding of the objects and advantages of my invention. The appended claim has been drawn to cover all legitimate modifications and adaptations.

I claim:

In a discharge spout construction a formed sheet metal neck defining a thread on its exterior of one diameter and a complementary thread on its interior of a smaller diameter, said neck also having an inwardly projecting flange on the upper end thereof defining an internal annular shoulder therebeneath, a tubular spout element slidable in said neck of uniform radius except at its upper end which is flared outwardly to rest on top of said inturned flange for support of the spout element on the neck in a retracted position, said spout having on its lower end an enlarged externally threaded neck threadable in the internal threads of the first mentioned neck, said enlarged externally threaded neck defining on the top thereof an annular shoulder, a gasket ring surrounding said spout element and resting on said annular shoulder and arranged to be compressed between said shoulder and the first mentioned shoulder on the inturned flange when the spout element is in extended position, whereby to seal the connection, and a cap threaded on the external threads of said first mentioned neck and having therein a gasket of compressible sealing material for engagement on the upper end of said first mentioned neck and the flared end of said spout element to provide a seal.

References Cited in the file of this patent UNITED STATES PATENTS 1,456,445 Hooper May 22, 1923 1,468,360 Frey Sept. 18, 1923 1,627,807 Roussie May 10, 1927 FOREIGN PATENTS 635,845 France Jan. 3, 1928