|Publication number||US1648575 A|
|Publication date||8 Nov 1927|
|Filing date||24 Aug 1923|
|Priority date||24 Aug 1923|
|Publication number||US 1648575 A, US 1648575A, US-A-1648575, US1648575 A, US1648575A|
|Inventors||Campbell Robert B|
|Original Assignee||Dry Ice Corp Of America|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (21), Classifications (12)|
|External Links: USPTO, USPTO Assignment, Espacenet|
Nov'. 8,1927. 1,648,575 R. B. CAMPBELL A CARBONATOR Filed Aug. 24, 1925 3 SheetSf-Sheet 1-v i 'l Il Y 1|".
IN V EN TOR.
g@ f-Raberzfampbelz ATTORNEW Nov. 8, 1927. n 1,548,575
` R. B. CAMPBELL CARBONATOR Filed Aug. 24. 1923 3 Sheets-Sheet? 60 ummm 'A INVENTOR. Fig, Robepf. Campbell A TTORNEY.
Nov. 89 1927. 1,648,575
R. B. CAMPBELL CARBONATDR Filed Aug. 24, 1923 3 Sheets-Sheet 3 INV EN TOR.
B01761015. amjnb elZ wf/7%NEY Patented Nov. 8, 1927..
UNITED STATES PATENT OFFICE.
OBERT B. CAMPBELL, F LONG ISLAND CITY, NEW YORK, ASSIGNOR, .'BY MESNE AS- SIGNMENTS, T0 DRY ICE CORPORATION 0F AMERICA, OF NEW YORK, N. Y., .A COR- roBATIoN oir DELAWARE.
Application led August 24, 1923. Serial No. 659,122.
This invention relates to siphon bottles and means for charging water in the home to provide home beverages. It consists primarily of a siphon in connection with a charging bottle provided with a safety means for protection to the user.
In the specification like parts are referred to by like numerals in the several views of the accompanying drawings, in which:
` io Figure 1 is a side view of a bottle with parts broken away; Fig. 2 is a longitudinal sectional View of the neck of the bottle, partly in elevation; F ig. 3 is a detailed sectional view on the Mline 3-3 of Fig. 2;
Fig. 4 is a view of a modified form of siphon head; v
Fig. 5 is an enlarged sectional view of the charging valve;
Fig. 6 is a detailed sectional view on the line 6 6 of Fig. 5 looking in the direction of the arrows;
Figs. 7. and 8 are detailed views of the valve cup;
Fig. 9 is a side elevation of the charging elements applied to the siphon bottle;
Fig. 10 is an enlarged sectional view of the safety valve; Fig. 11 is a sectional view on the line 11-11 0f Fig. 1o.
Referring more particularly to the drawings the numeral 1 shows a bottle of glass or other similar non-corrosive material covered with a metallic shield. This shield is composed of two parts. A base member 2 and a top 3 seamed together as at 4. The
upper member 3 having-'sight holes 5 thereinw'" for a purpose to be later described. ...lWithin the metal case or shield 2 and vat-"the bottom thereof is a rubber cushion 6.
Referring to Fig. 2, the upper part of the casing 3 is formed into a neck closely fitting the neck of the bottle 1 and is provided with screw threads 7 and an overlying lip 8 resting on the neck of the bottle. Extending within the bottle is a glass Siphon tube 9 which extends close to the bottom oi the bottle as shown. 'The upper end ot this tube is secured in a casting l0 fitted with a rubber gasket l1.
An adaptor yis secured to the top of the member 3 by means of a screw threaded portion 13. while bearing upon the rubber gasket l1 and firmly clamping it t0 the neck of the bottle is a depending shoulder 14:
screw threaded portion 17 to receive the siphon head 18, said portion 17 being provided with a passage 15, as shown.
The Siphon head 18 is provided with a valve 19 and the usual spigot 20. The valve 19 and its controlling spring 21 are operated by a lever 22. These elements are of wellknown construction but form part of my novel combination.
The means by which the siphon is charged, consists of a valve located-in the head of the Siphon separate from the valve through which thev carbonated water is discharged. This may be formed integral Vwith the head as shown in Fig. 2, or as a separate element as shown in Fig. 4.
Referring particularly to the form shown in Fig. 2, the casing 23 is integral with the siphon head body and is provided with a valve seat 24. carried by a screw plug 25 which is to be tightly screwed into the body of the valve 23 so as to insure a perfect seal and thus prevent the escape of the gas. VThe plug 25 is provided with a passage 26 and a screw threaded extension 27.
' :Bearing against the valve seat 24. in a rub- Iber valve 28 held within a valve cup 29.
This cup being heldy against the face of the seat, by means of a spring 30. In the wall of vthe Siphon head is a passage 31 leading from thewchamber in the valve body 23 to the innerchamber of the siphon valve head.
In the form shown in Fig. 2, the valve cup 29 is provided on its underface with a projecting stud 32 uand in the bottom of the valve chamber there is a corresponding stud. In the event that when charging the bottle the gas should be turned on too rapidly this valve will seat, bringing together these two studs'and thus act as a check valve to pre rent too rapid charging of the bottle.
y The valve cup 29 as shown in Fig. 3 is of hexagonal form which when placed in the valve chamber provides passages 33 thus permitting the gas toiiow around the cup through the passage 31"*and intothe bottle of water to be carbonated-AA hose 32h-issecured to the screw threaded extension 27 of tlie v.alve member by means of a swivel 35, a's'shown in Fig. 9. A similar swivel 36 connects the opposite end' of this hose with the power bott e 37 which contains a supply of carbon dioxide with which the siphon is to be charge Intermediate the ends of the hose a safety valve is provided. This consists of a casing 38 adapted to be secured to a plu 39 carried by a connecting nipple 40. he lug 39 carries the valve seat 41 against w ich is adapted to seat the valve 42 carried by valve cup 43 held in position by a spring 44. An escape opening 45 is provided 1n,
the end of the casing 38. The valve cup 43 is also of angular formation and provides the gas assages 46. 46 is a gas passage through t e plug 39.
The power bottle 37 is operated by means of a hand wheel 47. Bottle 37 contains earbon dioxide under high pressure.
In Figs. 5 to 8 inclusive is illustrated a modified form of charging valve which is not integrally formed with the siphon head and consists as follows:
A casing 50 provided with a screwthreaded extension 51 is adapted to be screwed into the side wall of the siphon head, as shown in Fig. 4. kThe casin 50 is provided with a valve chamber 52. e upper end of the chamber 52 is threaded at 53 to receive a screw plug 54 which carries a valve seat 55. A passage 56 extending through the screw plu as shown in Fig. 5. The upper end of t is plug is provided with a screw threaded nipple 57 for connection with the hose of the charging element. The rubber valve 58 is carried by a valve cup 59 and is normally held in closed position by spring 62. T e valve cup 59 1s of angular formation in cross section and provided with the gas asse-ges 61 between it and the walls of the c amber 52, as shown in arried by the underface of the cup 59 are lugs 60 which act as sto s to prevent said cup from going too far an thus preventing the passage of gas through the opening 63 1n the lower extension 51 of the valve casing.
The operation of the device is as follows: The siphcn head together with the adaptor is removed from the neck of the bottle. The bottle is then filled with water to a point on a line with the bottom edge of the sight holes 5. The siphon head and the adaptor are then tightly screwed down on the neck of the bottle so that the gasket therein will tightly seal and prevent the escape of the as. The swivel on the hose is then connected to the stud 27 of the char ing valve, the bottle connected by means ci: swivel 36 to the other end.
B means of the hand wheel 47 the valve in the power bottle should be opened very gently at first allowing the gases to enter the .siphon very slowly which will give more perfect carbonation. Should the gases be thus prevent excessive charging Aof thev Siphon.
The safety valve is so regulated that at a predetermined pressure the valve willl liftv and permitting the excess gas to escape, revent over-charging of the siphon and anger of explosion. v
From the above, it will be evident that by use of two very sim le valves of rugged construction I have ac ieved a fool-proof sylstem for charging Siphon bottles whereby t e enormous pressures of 1,000 lbs. per square inch or more, available, in liquid carbon dioxide containers, may be used for char ing siphons at home without the slightest anger to the most unskilled operator and requiring only an extreme minimum intelligence for operating in the most effective manner possible. If the operator o ens the valve 47 too wide, a small amount o as will fiow into the siphon, the check va ve 29 will open too wide, thereby causing its other valve face 32 to close inlet 31. Instantly the pressure will pile up in the pipe 34 and the pressure relief valve 38 will blow. This wastes gas, of course, but it affords safety from possible explosion of the pipe 34 and at the same time the sound of the escaping gas indicates unmistakably to any operator that something has gone wronfr and the valve 47 should be partly or completely screwed down. This inevitably results in reducing pressure sufficiently to permit inlet check 32 to open under the action of spring 30, whereupon the safety valve wil stop flowing and thc regular charging operation will be resumed. In actual practice, this is even simpler than it sounds and is accomplished by the above described novel combination of simple elements.
lVhat I claim is:
1. An apparatus for charging liquids with gas, comprising a dispensin siphon bottle` a detachable head there or, a passage throu h said head having an inlet for receivae carbon dioxide gas and an outlet to the interior of the Siphon, a valve chamber in said passa e, and valve means in said chamber normal y closing the inlet, and movable under normal charging pressures to permit passage of the charging gas to the outlet and under excessive charging pressures to close the outlet.
2. In an apparatus for charging si hon bottles of the character specified in claim 1, a charging gas container, a hand control valve therefor. a conduit connecting the gas container to the gas inlet of the siphon bottle. and an automatic pressure relief valve in said conduit.
ROBERT B. CAMPBELL.
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|U.S. Classification||141/197, 220/86.1, 215/12.1, 222/397, 137/212, 137/115.16, 215/4, 261/121.1|
|International Classification||B67D1/04, B67D1/00|