US901442A - Liquid-dispensing can. - Google Patents

Description

I S. P. HASEY. LIQUID DISPENSING (JAN. APPLICATION FILED NOVA, 1907.

901,442. Patented Oct. 20, 1908.

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UNITED STATES SYDNEY I. HASEY, OF NORTH BELGRADE, MAINE.

LIQUID-DISPENSING CAN.

Specification of Letters Patent.

Patented Oct. 20, 1908.

Application filed November 9, 1907. Serial No. 401,457.

To all whom it may concern:

Be it known that I, SYDNEY P. I-IASEY, a citizen of the United States, residing at North Belgrade, in the county of Kennebec and State of Maine, have invented certain new and useful Improvements in Liquid- Dispensing Cans, of which the following is a specification.

My invention relates to cans for dispensing liquids and to that class employing a dispensing nozzle or spout and a vent tube having its outer end adjacent to the delivery end of the spout so that when the can is used for filling vessels the flow of liquid is cut off by closing the vent tube. In filling cans of this class there is no way of telling when the yes sel is filled, so that the operator is liable to lose much valuable time in holding the can jifnna dispensing position after the vessel is My invention has for its object the provision of an indicator consisting of a spring actuated rod engaging a thin dia phragm in the upper end of the dispensing can so that when the vessel has been filled and the vent tube closed by the liquid the pressure of the atmosphere on the outside of the can which will slightly exceed the pressure of the air inside of the can will press the diaphragm inwardly and move the indicator so as to show that the vessel is full.

My invention will be described in detail hereinafter and illustrated in the accompanying drawings in which- Figure 1 is a longitudinal sectional view of my improved liquid dispensing can in a filling position, Fig. 2, a front end view, and Fig. 3, a fragmental sectional view showing a modifled form of indicator rod and a transparent vent tube.

In the drawings similar reference characters indicate corresponding parts in all the views.

1 indicates a can having a filling nozzle 2 closed by an air-tight closure 3, a dispensing spout 4, a vent tube 5 having one end extending inside of the can 1 and its other end secured adjacent to the delivery end of the spout 4, and a handle 6.

In addition to the parts heretofore described I have added a fluid and air-tight diaphragm 7 of any suitable material, such as thin metal, in the upper portion of the can 1, the delivery end of the vent tube 5 extending through the edge of the diaphragm so that the air admitted through the vent tube while the can is in operation is delivered inside of the diaphragm.

8 indicates a s ring rod having one end bent back on itsef and secured to the top of the can and the other end formed with an angular ortion 9 that extends through a hole 10 in the top of handle 6. The rod 8 is provided with a crimped portion 11 that engages the central part of diaphragm 7.

When in operation and liquid is pouring from the spout 4 the air pressure on the two sides of diaphragm 7 will be the same and the diaphragm 7 and rod 8 will be in the position shown in dotted lines but when the vessel is filled the pressure of the liquid in the can will drive the liquid in the vessel u into the vent tube 5 until the level of the liquid in can 1 and tube 5 will be the same as shown in Fig. 1. The pressure of the atmosphere outside of the can will exceed the pressure within the can by an amount suflicient to support the liquid in the can, spout and vent tube and this pressure being exerted on the diaphragm 7 pushes it inwardly so that the diaphragm and rod assumes the position shown in full lines in Fig. 1. One or more holes 12 must be provided in the top of the can to admit the atmospheric air to the chamber between the diaphragm and can to If desired the vent tube 5 may be made of transparent material as shown in Fig. 3 though this is not essential to a complete and satisfactory operation of my invention. In Fig. 3 is also shown a modified form of indicator rod employing a coil spring 13 to add to the effectiveness of its operation.

Having thus described my invention what I claim is 1. In a liquid dispensing can, a diaphragm secured in the can and subject to atmospheric pressure, and a rod secured at one end to the can and having its other end extending outside thereof, said rod being substantially parallel with the diaphragm and loosely engaging one of its sides.

2. In a liquid dispensing can, a diaphragm subject to atmospheric pressure secured in the can, and a spring actuated rod secured at one end to the can engaging said diaphragm and having its free end extending outside of the can, said rod being substantially parallel with said diaphragm, substan tially as shown and described.

' 3. In combination with a can having a dispensing spout, and a vent tube, a diaphragm In testimony whereof I hereto afiix my subject to atmospheric pressure secured in signature 1n the presence of tWo Witnesses.

the can, and a spring actuated rod secured at one end to the can engaging said diaphragm and having its free end extending SYDNEY HASEY' 5 outside of the can, said rod being substan- Witnesses:

tially parallel with said diaphragm, substan- SAMUEL ENTIN, C. F. MANNING.

tially as shown and described.

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