How To Bottled Water Safety?
FIG. 1 is a schematic view of a covered water dispensing probe and mechanism for
uncovering the probe on insertion of an inverted bottled water equipmentinto the dispenser;
FIG. 2 is a second embodiment of a covered water dispensing probe and uncovering mechanism;
FIG. 3 is an uncovered but sealed water dispensing probe;
FIG. 4 is an open water dispensing probe; and
FIG. 5 is a schematic illustration of a closed water bottle and closed water dispensing probe which are automatically opened when joined.
Referring to FIG. 1, the neck of an inverted water bottle 10 is shown being lowered into a bottle guide 11 which is located in the top of the water dispenser. The water bottle usually contains approximately five gallons of water and is made of plastic or glass. An elongated plastic cap 13 covers the open mouth of the water bottle and also has a ridge or bead 15 along the side of the cap which forms a seal with the interior of bottle guide 11. Cap 13 is conventional on water bottles and is usually torn off before the water bottle is inverted and placed into the water dispenser. The opening of the water bottle, however, exposes the fresh water inside the bottle to ambient contaminants, even if only for a short time. It is preferred to leave the bottle closed at all times and to open the bottle in the water dispenser. U.S. Pat. No. 4,699,188 discloses a cap for a
filling machineswhich has an inwardly turned, recessed portion, extending backwardly into the neck of the bottle, which is closed by a displaceable cap. The device disclosed in this application will function with the aforementioned cap and will also function with a conventional plastic cap.
Find peace of mind by following a few simple steps to insure that your bottled water is safe for you to drink.CHECK THE IBWA:
IBWA stands for International Bottled Water Association, and they enforce FDA standards for bottled water safety. Look for the logo on your bottle. If you have doubt, check their website listed in the links section below to see if your water is listed as safe.In order to protect the water in the water supply bottle from contaminants entering through the dispensing valves, one or more check valves can be used. A single check valve 35 can be placed near the entrance to the dispensing system to block air from coming in through the several valves into the system. Additional check valves 37 and 39 can also be provided in the hot and cold dispensing systems to prevent air from being drawn backward into the water supply bottle. Air should only enter the water supply bottle from a filtered air source 41 which supplies air to the water dispensing conduit above check valve 35.
CALL THE BOTTLER:
Call the bottler direct to see if they will provide you a list of contaminants that they test their water for. You should find the bottler's 800 number somwhere on the bottle's label. You can ask about cholrine and flouride levels as well.
CHECK THE SOURCE:
Look on the bottle's lable or ask the bottler itself for the location of the source of their water. You should look for water that comes from a rural location (mountain spring)than an industrialized area.
BUY WATER IN GLASS CONTAINERS:
There has been some concern about water being bottled by
bottle filling machinesin plastic containers and the contaminants that can come from the plastic itself. Buying water in glass containers would eliminate this concern.
When the water bottle is inserted, the cap of the water bottle strikes the actuating rod 47 pushing camming surface 59 downwardly against cam surface 61 on cap 63 causing the cover to open. The continued downward motion of the water bottle forces platform 53 and supported tube 69 downwardly until the bottle comes to rest against annular stop 45. Before the bottle reaches stop 45, the sharpened end 19 of probe 17 will cut a flap 81 in cap 13 on the water bottle. In FIG. 1, flap 81 is shown cut before the water bottle reaches probe 17, for clarity. The bottle would normally be closed until probe 17 pierces the cap cutting flap 81. Since probe 19 is sharpened, the edge of the probe is relieved or angled inwardly which causes the probe to cut a hole in cap 13 slightly smaller than the outer diameter of probe 17. This smaller hole in the cap tightly grips the outer surface of probe 17 precluding any air or water leakage.
With the
bottled water equipmentin place, dispensing valve 29 can be actuated to draw water from the bottle. The water will push open check valve 35 and flow outwardly through spigot 33. Any air needed to relieve the partial vacuum in the bottom of water bottle 10 will flow inwardly through tube 41 and check valve 43 and bubble upwardly through the water to the inverted bottom of the bottle. It can be seen that the system is completely sealed with the exception of the filtered air source. The filter used with the air source can be a single or compound filter designed to protect the water from the specific contaminants in the air surrounding the water dispenser. If biological materials are present, a microfilter can be used. If organic solvents are present, an activated charcoal filter can be used and if dust is present, a coarse paper or filberglass filter can be used. For mixed contaminants, the filter can be assembled with layers of different filter materials to protect the water.
As the water bottle enters bottle guide 11, it forces actuating rod 97 downwardly which, as previously described, causes cover 113 to open. The water bottle continues downwardly until probe 91 displaces the cap from the interior of the water bottle and the bottle comes to rest on the shoulders of bottle guide 11. A guide rod 123 is provided for controlling the motion of tubular member 103 as it is pushed downwardly. A coil spring 125 is positioned about probe 91 and urges the cover assembly upwardly. A flange 127 is attached to the side of tubular member 103 and has an aperture 129 therein for guiding flange 127 upon rod 123. A pin 131 projects through the end of rod 123 and prevents the cover assembly from being pushed beyond the end of probe 91.
source:
townhall|bottled water equipment by:wenjun
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