US 2577045 A
Description (OCR text may contain errors)
Dec- 4, 1951 c. B. sTouT GAS INHLER PPLICTOR Filed Jan. 12, 1951 lll INVENTOR' frlzellw' B. Jau
ATTORNEYS Patented Dec. 4, 14951 GASy INHALEB APPLIoAToR Cornelius 1?v Stout, Berklee, Okla Application J anuary' 12, 1951, Serial No. r205,820
8 Claims l This invention relates to a device for emergency use where a gas such as oxygen is indicated.
An object of the invention is to provid-e. a device, which, associated with a'suitable flask containing the medicinal gas under pressure, can be stored with safety both against leakage of the gasy and soiling ofthe applicator tube, and which in an emergency can be quickly placed into oper,- ativeposition Ywithout the use of any tools and can be safely applied to the victim without any Aparticular skill in controlling the amount of gas supplied.
a positive -conduit for the gas underpressure to the tube.
A further object of the invention is to provide a nipple .of the character indicated in association with means having a metering orifice `by means of which the gas under pressure is supplied to the delivery tube in a predetermined amount, thus requiring no skill in the operator under such circumstances.
Further objects will more particularly appear in the course of the following detailed description.
The invention consists in the novel construction, arrangement and combinations of parts hereinafter more particularly described and claimed.
One sheet of drawings accompanies this specication as part thereof, in which like reference characters indicate like parts throughout.
In the drawing:
Figure 1 is a perspective view of the improved nipple and dispensing tube associated with a ask of vcompressed gas and protected from contamination as the device would be kept in reserve;
Figure 2 is a cross sectional View through the flask illustrating the application of the nipple to the mouth of the flask and the flexible applicator tube;
Figure 3 is an enlarged detailed longitudinal cross section through portions of the nipple and the flask mouth, illustrating details of construction; and
Figure 4 is a transverse cross sectional View taken on line 4-4 of Figure 3.
In accordance with the present invention and referring to the drawing in which a satisfactori7 embodiment of -the present invention is illustrated; the flask for the cgmpressed gas is identified as F, this ilask being provided in a conventional manner with a mouth I at one end, Which mouth I is surrounded by an annular lip 3 which lip defines in association with the wall of the mouth I a shoulder 3. Against the, shoulder 3 is posi.- tioned a disk I5 having a central metering orice IE.
The nipple comprises a body I0 having, ill the form herein illustrated, an annular enlargement I l intermediate its ends, which annular enlargement serves t0 distend and @PII-.113 grip @he ft-Xibl applicator tube l) to secure operative relationship with the nipple. On one side of the annular enlargement Il is an annular grcove I2 ,canning awakened portion Ill` Qf the .nipple and between this weakened. portion. I2 and one end of the nipple is a bore I 4, At that end Of the nipple is formed an. annular enlargement I9 which seats against the upper face of the disk I5 and against which the lip 2. of the flask iS inturned to mals-e positive ccrlnectlon between the :nipple and the flask. A ,gasket 21B can, ,if desired, be positioned between the .end Qf the nipple and the lip 2 to assure the tightness of the joint. The here I4 within the nipple and the metering ori@ I@ in the disc I5 are preferably positioned in alignment- Extendlne .from the weakened portion l2' .of the nipple to the other end are ilutes or grooves I3 which communicate with the annular groove I2 surrounding the weakened portion I2.
The end of the iiexible applicator tube T which extends over the nipple can, if desir-ed, be further secured to the nipple as by cement 2|. On the free end of the applicator tube T is positioned a small mouth guard G.
With the applicator tube connected to the filled flask F in the manner illustrated, the applicator tube is then preferably coiled backwardly upon the nipple, as is illustrated in Figure 1, and an impervious envelope I'I is drawn over the applicator tube and nipple, as well as the mouth guard G, the edge portions of the envelope surrounding the flask being cemented thereto so that the applicator tube and the mouth guard will be fully protected against contamination. The coiled tube will further be effective to protect the nipple against accidental fracture while the device is not being used.
In an emergency when it is desired to supply oxygen to a victim, the envelope I1 will be removed and the flexible tube extended, after which by applying pressure on the nipple, the nipple will be broken at the weakened portion I2 .and the fracture, regardless of its direction, will provide communication between the bore I4 and the ask, the annular groove I2 surrounding the weakened portion and the fracture and one or more of the flutes I3 in the outer end of the nipple, by reason of which it will be apparent that immediately upon fracturing the nipple at the point indicated a metered supply of oxygen is made available through the applicator tube without any further control on the part of the operator, and this supply being metered in accordance to a predetermined safe quantity, the device can be used by ordinary persons without special train- 111g.
Various modiications in the precise form and construction of the nipple and its connection to the ask will readily suggest themselves to those skilled in the art, but within the scope of the present invention as claimed.
Having thus fully described my invention, I claim:
1. Nipple for connecting a ask of compressed gas or the like with a flexible tube comprising, a body of frangible material having one end formed for connection with the flask, an annular rib intermediate its ends to dilate a exible tube extending over it, an annular groove on one side of said rib, said body having a bore extending from the ii-ask end to said annular groove and that portion extending from the groove to the other end externally fluted.
2. Nipple for connecting a ask of compressed gas or the like with a flexible tube comprising, a body having one end formed for connection with the mouth of the ask, said body of a transverse diameter to snugly lit within and grip a exible tube and having a breakable area intermediate its ends with a bore extending from the flask end to said breakable area and an exterior groove extending from the breakable area to the other end.
3. Nipple as specified in claim 2 with means having a gas metering orice associated with the end of the nipple having a bore to restrict the supply of gas from the flask to said bore to a predetermined amount.
4. Nipple as specied in claim 2 in which the weakened area is of less diameter than adjacent portions to provide an annular groove adapted to communicate the bore with the exterior groove when the nipple is fractured at said weakened area regardless of the direction of the fracture.
5. In combination, a flask for gas under pressure, said flask formed with a discharge mouth surrounded by an annular lip, a nipple having one end formed with an annular ange to seat in said mouth and having a weakened breakable area intermediate its ends, said nipple having a bore extending from its flanged end to said weakened area and formed with an exterior groove extending from said weakened area to the other end.
6. In combination, a flask for gas under pressure, said ask formed with a discharge mouth surrounded by an annular lip, a nipple having one end formed with an annular ilange to seat in said mouth and having a weakened breakable area intermediate its ends, said nipple having a bore extending from its flanged end to said weakened Iarea and formed with an exterior groove extending from said weakened area to the other end, and a disk having a gas metering orifice positioned in the flask mouth with said metering orice in alignment with the bore in the nipple.
7. In combination, a ask for gas under pressure, said ask formed with la discharge mouth surrounded by an annular lip, a nipple having one end formed with an annular ange to seat in said mouth and having a weakened breakable area intermediate its ends, said nipple having a bore extending from its flanged end to said weakened area and formed with an exterior groove extending from said weakened area to the other end, a disk having a gas metering orice positioned in the flask mouth with said metering orifice in alignment with the bore in the nipple, and a flexible tube having an end portion expanded over, to rmly grip the nipple, with the weakened area of the nipple spaced from that end of the tube.
8. The combination of claim '7 with the remainder of the flexible tube coiled back around the portion surrounding the nipple and with an impervious envelope imposed over the nipple and coiled tube and having its mouth sealed against the body of the flask.
CORNELIUS B. STOUT.
No references cited.