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Publication numberUS2574931 A
Publication typeGrant
Publication dateNov 13, 1951
Filing dateDec 20, 1948
Priority dateDec 20, 1948
Publication numberUS 2574931 A, US 2574931A, US-A-2574931, US2574931 A, US2574931A
InventorsJr Richard N Nason
Original AssigneeStauffer Chemical Co
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Container for corrosive fluids
US 2574931 A
Abstract  available in
Previous page
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Claims  available in
Description  (OCR text may contain errors)

Nov. 13, 1951 R. N. NAsoN, JR

CONTAINER FOR coRRosIvE muws Filed Dec. 'PLIS- L TTORN Patented Noiv. l3, 1951 CONTAINER FOR CORROSIVE FLUIDS Richard N. Nason, Jr., San Francisco, Calif., assignor to Stauier Chemical Company, a corporation o! California Application December 20, 1948, Serial No. 66,205

This invention relates to a shipping container for corrosive liquids, and more specically to an export shipping package for muriatic acid.

Many dilculties are encountered in the transportation of corrosive liquids. It is usually economically infeasible to utilize a container of material having all the qualities necessary such as rigidity, strength, corrosion-resistance, etc. Solutions of the problem involve internal coating of metallic containers with varnishes or like coatings designed to resist the action of the corrosive liquid. Glass `iars or carboys protected by bulky and heavy frameworks are employed for acids.

It is an object of my invention to provide a shipping container of a composite nature, having sumcient strength and rigidity to withstand abuse, to provide adequate safety in use and enabling the contents to be withdrawn with ease and safety as desired.

The invention includes other objects and features of advantage some of which, togther with the foregoing, will appear hereinafter wherein is disclosed a container embodying the present prefered embodiment of the invention.

In the drawing constituting a part of this specification, Figure 1 is an elevation of a complete container embodying a present preferred embodiment of the invention.

Figure 2 is a top view with removable drum head removed.

Figure 3 is a fragmentary section of the outer container with a portion of the inner container shown in section.

Figure 4 is a like section showing the operation of forcing the liquid from the inner container.

The outer container specically shown comprises an outer cylindrical container I having a removable end closure Il having a plurality of downwardly depending ears I2. The ears I2 are encompassed by a surrounding band I3 which can be drawn taut by suitable means to retain the closure in sealing position. A bail is usually provided for handling the container.

This container is adapted for the shipment of corrosive liquids by employment of a separate internal container I5 made by iexible and noncorroding materials such as rubber, articial rubber, a exible plastic material such, as rubber hydro-halide and like materials. The inner container is made in approximately the inner shape of the container III, except for its vertical height. The container I5 is provided. with a tube I8 of suitable length secured at the top. The tube is closed by any suitable means as a stopper I1 and by a clamp I8 which serves to deiorm the tube scam'. (ci. zzz-95) and pinch the sidewalls together as is shown in Figures2 and 3.

In use, the inner container I5 is placed in the outer container I0. and is then filled to about %-9`5% of capacity; the tube I6 is then closed as by means of the stopper and the clamp. The size of the inner container is such that when the inner container is filled the outer container has a free space (as appears in Figure 3) of about 5-10% when the cover is secured thereon. This free space permits expansion of the contents in the exible container without exerting an expansive pressure on the container I0 or cover II.

The corrosive liquid thus does not at any time come in contact with the metal or other material in the container I0, which thus need not be of a corrosion resistant material. Thus container I0 can be of metal as shown, or of fibre, or may be of wood so long as it is capable of supplying'the necessary strength to withstand rough handling, piling one on top of the other, etc.

A particular advantage of the construction disclosed is provided in removal of the contained iiuid; with the tube I6 extending over the upper edge of the outer container I0, as indicated in Figure 4, the stopper I1 and the clamp I8 being absent, pushing down on one side of the container I5 is eective to force the desired quantity of uid from container I5 at the feed rate desired without the lifting or tipping of the outer container and without the iluid coming in contact with the outer container. The package is thus satisfactory for the shipment of corrosive materials, and for the easy dispensing thereof in a laboratory or like place of use. The combination permits the employment of relatively cheap material so that it may be used as a onetrip container, if desired. The total weight is small and the volume waste is at a minimum.

I claim:

A shipping package for corrosive liquids comprising a rigid tubular outer container, an inner container of iiexible, liquid-impervious sheet material shaped to conform generally to the shape of the outer container, said outer container having an open upper end of suiiicient diameter to admit the hand, a closure removable from said upy tainer against the walls of the outer configurer by pressure with the hand extended through "said open upper end. Number 1,452,039 RICHARD N. NASON. Jn, e 5 1,799,701

REFERENCES The following references are of record, me. N ber le of this patent;

UNITED STATES PATENTS Name Date Graven Apr. 17. 1923 Althof! Apr. 16, 1929 Silveyra Jan. 4. 1944 FOREIGN PATENTS Country Date Great Britain Oct. 21, 1918

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U.S. Classification222/105, 222/530, 222/183, 206/524.5, 222/529, 383/61.1, 292/256.67, 383/96, 222/107, 220/917, 383/68
International ClassificationB65D47/22, B65D85/84, B65D77/06
Cooperative ClassificationY10S220/917, B65D85/84, B65D77/06
European ClassificationB65D77/06, B65D85/84