Dispensing – Movable material discharge guide – Closure type
Patent
1996-03-22
1998-08-25
Huson, Gregory L.
Dispensing
Movable material discharge guide
Closure type
222534, 222484, B67D 300
Patent
active
057975213
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention refers to a dispensing cap for vacuum bottles, which is provided with a tiltable spout moving around an axis orthogonal to the longitudinal axis of the vacuum bottle.
The dispensing caps for vacuum bottles are already known and have been widely used for a long time, due to their practicability, since they need not be totally removed to allow the liquid to be poured from the bottle, thereby contributing to maintain the temperature of the stored liquid for a substantially long period of time.
BACKGROUND OF THE INVENTION
A known dispensing cap usually comprises a single body, which is threaded to the nozzle of the vacuum bottle and which presents a liquid discharge axial opening. On said single body there is articulated a spout, provided with an inlet end and an outlet end, which are maintained in communication by an axial throughbore. The spout inlet end is in the form of a spherical surface portion, which is seated on a concave annular gasket mounted at the upper part of the cap and around the liquid discharge axial opening. The spout is tiltable around an axis orthogonal to the longitudinal axis of the bottle, between a closed position in which the spout inlet end is kept seated on the annular gasket, in order to seal the liquid discharge axial opening, and an open position in which the spout outlet end is displaced away from the cap body and the spout inlet end maintains the axial throughbore in direct fluid communication with the liquid discharge axial opening, whereas the spout inlet end is kept seated against the annular gasket. Thus, in the open position, the axial throughbore of the spout defines a channel that allows the liquid to be poured from the inside of the vacuum bottle.
Although the prior art dispensing cap allows the liquid contained inside the bottle to be poured through the tiltable spout, it has the inconvenience that the alignment of the spout need to be defined by the adequate tightening of the cap onto the bottle. For this purpose, the threads of the bottle and cap are dimensioned in such a way that, at the end of the cap threading, the spout outlet end is aligned diametrically opposite to the handle of the vacuum bottle, permitting the latter to be comfortably used. Nevertheless, the heat as well as the successive tightenings made to close the bottle may cause thermal and mechanical deformations in the sealing means, which upon deforming cause a progressive angular displacement of the tightening point of the cap, resulting in an increasingly higher misalignment between the spout and the bottle handle, making troublesome the handling of said bottle.
DISCLOSURE OF THE INVENTION
Thus, it is an object of the present invention to provide a dispensing cap for vacuum bottles, whose spout can be aligned with the bottle handle independently of the tightening degree of the cap onto said bottle.
This and other objectives and advantages of the present invention are attained through the provision of a dispensing cap for vacuum bottles of the above mentioned type, comprising a support member, mounted onto the cap body in an axially locked but freely rotating manner around the axis of the liquid discharge axial opening, the spout being articulated to the support member around said axis orthogonal to the longitudinal axis of the vacuum bottle, so that it may rotate with said support member and tilt between its closed and open positions, maintaining the spherical surface portion of its inlet end constantly seated against the annular gasket.
In practical terms, the present dispensing cap has a high functional advantage, as compared with the known dispensing caps. Since its tiltable spout can rotate in 360.degree. around the axial axis of the cap, independently of the angular position of the cap in relation to the bottle, said spout may be rotated towards an alignment position diametrically opposite to the bottle handle or towards any other desired position, assuring the adequate handling of the bottle.
BRIEF DESCRIPTION OF THE DRAWINGS
The inventi
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patent: 2971664 (1961-02-01), Jacob
patent: 2979238 (1961-04-01), Bramming
patent: 3776428 (1973-12-01), Hazard
patent: 3957181 (1976-05-01), Hazard
patent: 4015756 (1977-04-01), Beck
patent: 4282991 (1981-08-01), Hazard
patent: 4998649 (1991-03-01), Thanisch
Huson Gregory L.
Sobral Invicta S.A.
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