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Publication numberUS1452039 A
Publication typeGrant
Publication dateApr 17, 1923
Filing dateApr 8, 1920
Priority dateApr 8, 1920
Publication numberUS 1452039 A, US 1452039A, US-A-1452039, US1452039 A, US1452039A
InventorsJames H Gravell
Original AssigneeJames H Gravell
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Leakproof liquid container
US 1452039 A
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Description  (OCR text may contain errors)

Apr. 17, i923.- l www@ J. H. GRAVELL LEAKPROOF LIQUID CONTAINER Filed April 8 1920 Patented Apr. l?, i923.

Application led April 8, 1920. Serial No. 372,119.

To allwhomitma concern.'

Be it known t at I, JAMES H. GRAVE/LL, a citizen of the United States, anda resident of Elkins Park, in the county of Montgomery and State of Pennsylvania, `have invented certain new and useful Improvements in Leakproof Liquid Containers, of which the following is a specification.

My invention relates to containers and lo has for its object the roduction of a novel container which shall be simple in construction, easily manufactured, durable and leakproof, the invention furtherhaving for its object the charging of a container with the w material to be shipped or stored by an improved and novel method or process.

rf`he invention is peculiarly applicable to containers adapted to hold corrosive liquids such as acids but it may be employed with 2u equal advantage in the case of neutral liquids such as wines, alcohol or even water. The invention, furthermore, is not limited to the use of liquids, but solids, such as sand, flour and dry powdered materials, which have the quality of inflating a suitable envelope or bag when poured therein may also be used in connection with the invention.

Briefly stated the invention consists in the roviding of a suitable outer rigid support- 3o lng casing preferably having `a restricted opening therein, arranging the body but not the end or mouth of an inflatable bag or envelope, which is of liquid-tight material and preferably of rubber or other expansible, elastic material, the mouth or end being, if desired, supported in the opening in the supporting casing, filling the inflatable bag through its end or mouth with the material to be stored or shipped whereby the bag ao will be inflated or extended and will conform substantially in shape to and be supported by the casing and closing and sealing the neck of the inflatable bag and the opening in the casing. -The invention consists also in details of construction and combinations specified more particularly in the claims.

ln the accompanying drawing illustrating a practical embodiment of the invention:

Fig. 1 is a perspective view of my improved inflatable bag or envelope shown in collapsed and folded or rolled-up position.

Fig. 2 is a perspective view of the sup- .the container ready for storage or shipment.

My improved container comprises two parts to wit: an outer rigid supporting casing and an inner inflatable bag or envelope.

' Said supporting casing is shown as a glass bottle in Figs. 2 and 3, the body of which is indicated at 1 and its neck at 2. The neck or mouth 2 may be provided with the usual flange or bead 3. 4 indicates the body of the inflatable bag or envelope which is provided with a flange 5 adjacent its end or mouth. Said bag or envelope is preferably made of thin rubber or other similar material which is inflatable or expansible and which is at the same time inert to the cliemical action of an acid, and it simulates to a great extent the ordinary toy balloon in which the mouth or body are connected in an air-tight or liquid-tight manner. To fill the container with the material it is desired to store or ship the body of the inflatable bag or envelope is rolled up or folded and is slipped through the neck of the casing as shown in Fig. 2 and into the body thereof. A glass tube 6 or other air-expelling device may then be inserted intermediate the neck of the casing and the bag or envelope filled through its mouth with the liquid acid or other material. The filling of the bag causes it to inate or expand outwardly against the walls of the casing which support the same, in an obvious manner, the inflation or expansion of said bag or envelope forcing `the air in the casing outwardly through the tube 6 and preventing the formation of air pockets in the casing. When the bag or envelope is filled to the desired extent the tube 6 is withdrawn, the ange 5 on the mouth of the bag or lining is turned over 4the flange 3 on the neck or mouth of the casing and a suitable solid stopper 7 preferably of rubber or other non-corrodible material is inserted in the mouth of the casing in engagement with the mouth of the bag, the mouth containing said stopper being held against expansion by its engagement with the inner wall of the neck or opening when the stopper is inserted. The insertion of said stopper thus seals and encases in rub ber the liquid within the container and the liquid is strongly protected and is not permitted to contact with the casing l or anyA portion thereof.

In the forms of the invention illustrated in Figs. 4 and 5,'I show the invention applied to an ordinary barrel or box 8 having an opening or bung-hole 9. The bag or envelope which is made to conform more or less to the shape of the barrel or box is .inserted in the bung-hole as in the previous case and the bag then filled to the desired extent. The neck of the bag or envelope immediately below the iange 5 may be then securely tied or otherwise sealed and the neck pushed down within the bung-hole 9 as shown in Fig. 5 and an ordinary bung l() driven into the bung-hole. In this case I may provide the casing with perforations 11 which have the same function as the tube 6, to wit: the permitting of air to escape from the casing and which accordingly permit the operator to dispense with the use of said tube. In drawing liquid or other material therein from the container, it is handle in exactly the same way as it would be had it not contained the bag. A hole is drilled at the desired place which operation punctures the rubber bag or envelope. A spigot is then inserted in the hole in the regular way and the bung is removed. The rubber bag may or may not be punctured at the bungin order to let air in to replace the liquid flowing out of the hole, as the rubber .bag readily collapses.

While I have described the bag or envelopebeing made of rubber it is obvious that it may be made of other inatable liquid tight materials suoli as oiled silk or oil-cloth if so desired. The casing, moreover, may be constructed of any rigid material as "glass, wood or metal.

What I claim as my invention is z- 1. A container comprising a rigid casing having an opening, a lining of expansible liquid-tight material having a neck or mouth adapted to be supported in said opening and said lining being inflated by insertion of the contents therein and thereby conformed to the inner shape of the casing and supported thereby.

2. A container comprising a rigid casing having a-restricted opening, a liningl therefor composed of elastic, expansible material like rubber arranged in said casing and having a mouth in the restricted opening, said lining being adapted to be inflated and expanded by insertion of the .contents and thereby conform to and be su ported by the inner shape of the casing an means for sealing-said lining.

3. A container comprising a rigid outer casing having a restricted opening, an inflatable soft rubber lining having a rubber mouth in said restricted opening said lining therefore being adapted after insertion in the casing to be expanded by inserting material therein whereby said bag will conform to the inner shape of the casing and means for sealing said lining by a stopper inserted in the rubber mouth while arranged in the restricted opening.

4 A container comprising a rigid outer casing having a restricted opening, a thin rubber bag having a filler opening and adapted to be inserted in the casing in collapsed condition through the restricted opening, said bag being adapted to be inflated and expanded by the contents thereof and thereby conform to the inner shape of the .casing and means for sealing the filler opening within the casing.

5. A container for liquids consisting as to its outer walls of rigid material and having an inner wall or lining-consisting of flexible, elastic material like rubber having a rubber mouth, said lining being held in and supported by the rigid casing and conforming thereto by the contents of the container introduced into said lining through said mouth.

6. A container for liquids comprising a rigid casing and an acid-proof lining consisting of an expansible,elastio material held expanded into contact with and conforming to the inside of the casing by the liquid contents.

7. A barrel having a. lining consisting of an acid-proof, liquid-tight container having a mouth adapted to be arranged in the bunghole of the barrel for lling, said lining being held expanded against and supported by the inside of the barrel by the action of the liquid introduced therein through said mouth.

8. A liquid container comprising an outer c asing of rigid material and a lining of elastic, expansi le material like rubber having a restricted filling mouth arranged in a restricted mouth of the casing, said lining being held, conformed to and supported by the inner wall of the casing by the liquid contents and being provided with a stopper engaging in the mouth of the lining where it projects through the restricted mouth of the casing.

Signed at New York, in the county of New York and State of New York, this 7th day'of April, A. D. 1920.

JAMES H. GRAVELL.

Witnesses:

F. B. Townsmen, IRENE Lnrxowrrz.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2430905 *Mar 25, 1944Nov 18, 1947Us Rubber CoCrashproof liquid confining receptacle
US2435251 *Sep 28, 1943Feb 3, 1948Tome Charles ACollapsible wall type container
US2460820 *Mar 18, 1944Feb 8, 1949Vahan HagopianMethod of making containers
US2466542 *Feb 19, 1946Apr 5, 1949Gilmore Roy ECollapsible cylindrical container
US2510910 *Sep 24, 1946Jun 6, 1950Nicolaas Schulpen Karel HubertApparatus for flushing toilets
US2574931 *Dec 20, 1948Nov 13, 1951Stauffer Chemical CoContainer for corrosive fluids
US2620963 *Dec 16, 1948Dec 9, 1952Plastic Barrel CorpContainer
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Classifications
U.S. Classification217/3.0CB, 206/524.3, 206/522, 206/819, 119/203, 222/107, 206/527, 119/71, 215/12.1, 215/902, 244/135.00B
International ClassificationB65D77/06, B65D25/16, B29C63/34
Cooperative ClassificationB65D77/06, Y10S206/819, Y10S215/902, B29L2031/7154, B65D25/16, B29C63/343
European ClassificationB65D25/16, B29C63/34D, B65D77/06