Dispensing – With resilient biasing means for outlet element – For elements reciprocable axially of discharge opening
Patent
1983-12-19
1986-05-20
Rolla, Joseph J.
Dispensing
With resilient biasing means for outlet element
For elements reciprocable axially of discharge opening
222559, 222564, 222566, B67D 300
Patent
active
045895775
DESCRIPTION:
BRIEF SUMMARY
THIS INVENTION relates to a an improved dispenser closure and apparatus for filling containers fitted with the closure.
The object of the invention is to provide a dispenser closure which is particularly useful for dispensing the contents of a bag-in-box type package which is widely used for packaging of wine and fruit juices and which is simple in construction and operation, self closing and substantially free of external retention or after-drip.
Thus in one form the invention resides in a dispenser closure comprising a spout a valve seat located within the spout a valve member projecting from one face of a substantially concave diaphragm so that the diaphragm urges the valve member into closing contact with the valve seat and a pull tab projecting from the other face of the diaphragm to enable the valve member to be withdrawn from the seat.
Another object of the invention is to provide a closure which is suitable for use with "bag-in-box" type containers filled with carbonated beverages such as aerated waters or beer.
Thus in another form the invention resides in a dispenser closure comprising a spout, a valve seat located within the spout, a substantially concave diaphragm having a tubular extension projecting towards the valve seat, said extension being capable of being rolled back on itself when a force is applied in a direction away from the valve seat, a valve member on one end of a rod connected to and passing through the tubular extension so that the diaphragm and extension urge the valve member into the seating position on the valve seat and a pull tab on the other end of the rod.
The invention will be better understood by reference to the following description of the embodiments shown in the accompanying drawings wherein:
FIG. 1 is a front elevation of a first embodiment;
FIG. 2 is a sectional elevation of the first embodiment;
FIG. 3 is an enlarged view of the circled portion of FIG. 2;
FIG. 4 is plan view of the valve body or spout;
FIG. 5 is an enlarged view of the circled portion of FIG. 4;
FIG. 6 is a sectional elevation corresponding to FIG. 2 showing how the complete unit can be moulded as a single unit;
FIG. 7 is a plan view of the embodiment shown in FIG. 6;
FIG. 8 is a sectional elevation showing a further embodiment of the tap in the closed position;
FIG. 9 is a sectional elevation of the valve member of FIG. 8 and its associated components;
FIG. 10 is a sectional elevation of a filling head suitable for filling containers fitted with closures constructed in accordance with the invention;
FIG. 11 is an elevation of a further development applicable to most bag-in-box type dispenser closures;
FIG. 12 is a plan view of the embodiment of FIG. 11; and
FIG. 13 is a vertical cross section of the embodiment of FIG. 12.
The embodiment shown in FIGS. 1 to 5 inclusive the spout 11 is moulded from a suitable plastic material and is provided with a substantially rectangular passage 12 which merges with a circular portion 13 having a downwardly projecting skirt 14. The inner end of the spout is provided with flanges 15 and 16 located at substantially right angles to each other to which the walls 17 of the plastic bag of the bag-in-box type package is secured by welding or other suitable means. The spout is also provided with recesses 18 into which the cardboard component is secured as in the usual manner. By providing the flanges 15 and 16 at right angles to each other it is possible to locate the spout at the bottom of the bag and so ensure substantial emptying of all of the contents of the bag. Also by increasing the length of the downwardly projecting flange 19 it is possible to provide a flange or barrier which can be pushed against the edge of a table or shelf during the operation of the valve. As shown in FIG. 4 of the drawings the downwardly projecting skirt 14 is provided with series of inwardly directed vanes 20 the inner edges of which are chamfered as shown in reference 21 in FIG. 5. These vanes serve to control the turbulence of the liquid flowing through the skirt 14 and also the inner
REFERENCES:
patent: 2754097 (1956-07-01), Hjulian
patent: 2832643 (1958-04-01), Bletcher et al.
patent: 3130442 (1964-04-01), Kellis
patent: 3173579 (1965-03-01), Curie et al.
patent: 3206075 (1965-09-01), Scholle
patent: 3252634 (1966-05-01), Scholle
patent: 3595445 (1971-07-01), Buford
patent: 3696969 (1972-10-01), De Van et al.
patent: 3972452 (1976-08-01), Welsh
patent: 4355737 (1982-10-01), Pongrass et al.
patent: 4452425 (1984-06-01), Lucking
Welsh Peter W.
Welsh William C.
Bollinger David H.
Rolla Joseph J.
LandOfFree
Dispenser closure does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Dispenser closure, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dispenser closure will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2104331