US2066634A - Explosive container - Google Patents

Description

Jan. 5, 1937. w. Lux 2,066,634

EXPLOSIVE CONTAINER Filed Feb. 23, 1955 FIG. l.

15l pushed down into the bore, lthe between, to form the inner Patented Jan.

UNITED STATES -PATENT oFElcE EXPLOSIVE CONTAINER William F. Lux, St. Louis, Mo., assigner hnlimil Leds.

signed Powder Manufacturing company,

Mo., a corporation of Illinois Application February 23, 1935, Serial No. '1,921 2 Claims- (01. 10S-h4) My invention consistsnin a new and useful improvement in explosive containers and is demore particularly to provide a cnntainer for explosive charges, consisting of either sticks of dynamite or loose, granular explosive, to be inserted into the ground which the bore prepared for the charge becomes clogged matter, such as sand, 1u into the bore. Under er drilling a bore under conditions in` insertion of the or crowded by unstable gravel or muck ilowing the present practice, aftfor this purpose, it often happens that quick-sand and other unstable matter begins to cr owd the bore shut again, so

that when an ordinary stick of dynamite is interference in the bore. has a. tendency to tear'the paper wrapping of the stick and inside of the wrapper.

disintegrate the explosive My improved container consists in a. tube of suitable size provided with head and a closure cap,

a waterproof coating. Now, if the stick of dynamite is encased in able to negotiate its passage disintegrated en route.

without being course, container,

is due to the point and also to the protection afforded by my'pointed containe it is through the bore This, of at the end of the the body of the container.

While I have illustrated in the drawing ,filed herewith and have hereinafter fully described one specic embodiment of my invention, it

iStObe distinctly understood that I do not consider my `invention limited to. said specific embodiment,

but refer for its scope hereto.

In the drawing:

Fig. 1 is a side elevation of trating its insertion through yielding mass to the claims appended the device, illusa bore and into a Fig. 2 is avertical sectional view of the deing the junction of As illustrated in container comprises penetrative conical Fig. is an enlarged fragmentary section showthe body and head.

the drawing, my improved the cylindrical body A, the

head B, and the closure cap 2 respectively. The

and outer walls I and head B is composed of three concentric cones of suitable material, such as heavy paper, and exterior layers sealing joints 3', l' layers 3, 4 and 5 base -a of the z-a of the outer w to form the interior,

intermediate, 3, 4 and i, respectively, the and S', respectively, of these being in staggered relation. The interior layer 3 abuts the edge all 2, and is provided with a material, forming the coating Vskirt 5 which embraees'and is attached by suitable adhesive to the end portion 2-b of the outer `wa1l 2. The base 4-a of the intermediate layer I abuis the base 3-a of the interior layer 3. The exterior layer 5 is provided at its base with a skirt 1 which embraces and is attached by suitable adhesive to the skirt 6 and passes over the edge G-f-a of the skirt 6 and embraces and is attached by suitable adhesive to the outer wall 2, This skirt 1 has a plurality of wings 1-a attached by suitable adhesive to the outer wall 2. lA band 8 surrounds the wings 1 0, extending over the edges 1b of the wings |.a, and embracing the wall 2, and is attached by suitable adhesive.

The body A and head B, after assembly, are exteriorly impregnated with a waterproof material, such as parafhne, to form a coating 9 thereover.

The cap C comprises a base I0 and skirt il which embraces the outer wall 2 of the body A. The base l0 is provided with a centrally disposed orice l2 to afford passage of the detonating wires W. The cap C is impregnated both exteriorly and interiorly with suitable waterproof I3 to insure tight cap C and the body A.

As illustrated in Fig. 1, it will be obvious that when my improved container is forced by any suitable means through the bore il and into an interfering mass I5 s uch as sand, gravel or muck, the head B will penetrate the mass I5 and permit the insertion contact between the of the container therein, without rupturing the container or causing injury to the explosive charge therein.

Having described my invention, what I claim is: l

1. In an explosive container, the combination of a tubular body; a penetratlve head composed of three layers; a skirt extending from the innermost layer bent outwardly over the end of the middle layer to form an abutment between the body and the end of the middle layer and embracing one end of the body; a skirt extending from the outermost layer and embracing the other skirt and the body: and a retaining band about and attached to the skirt of the outermost layer and the body, at their juncture.

2. In an explosive container, the combination of a body; a three-ply head: an extension from the innermost ply of said head bent outwardly over the middle ply and embracing one end of the body; a second extension from said head embracing the first extension and the body; and a band about and attached to said second exten-Y sion and the body.

WILLIAM F. LUX.

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