US1503740A - Pyrotechnical device - Google Patents

Description

Aug. 5 1924. v

M. M. ADLER PYROTECHNICAL DEVICE Filed Feb. 27. 1923 INVENTOR. MiZZZMKJdZaP/I. rm mvsvs.

Patented fin 5, 1924,

issue i I YROTECHNICAL DEVICE.

Application filed February 27, 1923.

to the accompanying drawings, and to characters of reference marked thereon, which form a part of this specification.

This invention relates, generally, to improvements in pyrotechnical devices; and the invention has reference, more particu larly, to: a novelty in the form of a detonating fire-work. I

This invention relates to a novel det-o nat ing fire-work of the general character described in my prior United States Letters Patent No. 1,441,551 and No. 1, ii1,552, re-

spectively dated January 9th, 192-3 and this invention has for its principal object to provide a novel form of casing to contain thedetonating elements of the same, said casing being provided in its walls with ports through which the smoke of combustion re- 1 sultin-g upon ignition of the detonating elements will escape in puffs or rings, and said casing'being subject to exterior design treatment or decoration whereby the said ports appear to form themuzzl'es of guns, so that a toy attractive to children is furnished in the operationof which the detonations are followed by puffs of smoke ejected through said ports and the simulation of the firing of the pictured cannon is realistically atrained.

Other objects of this invention, not at this time more particularly enumerated, will be clearly understood from the following detailed description of the same.

lVith the various objects of this invention in view, thev same consists, primarily, inthe novel detonating fire-work hereinafter set forth; and, the inventionconsists, furthermore, in the novel arrangements and combinations of the several devices and parts, as well as in the details of the construction of the same, all of which will be hereinafter more fully describedin the following specification, and then finally embodied in the claims appended thereto.

Serial No. 621,513.

The invention is clearly illustrated inthe accompanying drawings, in which Figure 1 is a perspective view of the complete firework made according to and embodying the principles of the present invention; Figure 2" is a longitudinal horizontal section through the same, taken on line 2'2 in said Figure 1; and Figure 3 is a plan view of a combustible carrier sheet upon which a plurality of pastilles or lozenges of pyrotechnical composition are mounted, and which is adapted to provide the detonating element of the tire-work to be on closed inthe outer casing, said View also showing the attachment to said carrier sheet of an ignition fuse.

Similar characters of reference are employed in all of the hereinabove described views, to indicate corresponding parts.

Referring now to said drawings, the ref erence character 1 indicates a combustible carrier sheet preferably made of thin paper, such as tissue paper, upon which are caused to adhere a plurality of pastilles or lozenges 2 consisting of a pyrotechnical composition adapted to produce detonations-when ignited. It will, of course, be understood that there are many dili'eren-t pyrotechnica-l compositions known to those skilled in the art which, when ignited, will produce detonations, andconsequently, in this respect I do not desire to limit myself to the use of any particular composition so characterized, although I prefer to employ a composition heretofore known and used to produce intermittent detonations, and which comprises a mixture of gum-arable, carbonate of magnesium, whitephosphorus, red ocher and potassium chlorate. The pasti-lles or lozenges 2 of pyrotechnical composition are arranged in a group the members of which are suitably spaced apart. It is preferable to treat the paper or other carrier sheet 1 with some chemical adaptedto insure continued combustion thereof once the same is ignited. A chemical such as sal-tpeter may be employed for such purpose, although I do not wish to be understood as con-fining myself to the use of that substance for the purpose indicated.

After the carrier sheet 1 with its pastilles or lozenges of pyrotechnical composition applied thereto is prepared, a fuse element 3', of a suitable easily combustible material, is attached to the carrier sheet. One end of said fuse element is secured by a suitable adhesive to the carrier sheet, preferably (although not necessarily) to the center of the sheet where the group of pastilles or lozenges 2 of pyrotechnical composition is mounted. After said fuse element 3 is thus attached thereto, the carrier sheet is folded or crumpled into a roughly ball-like body from the interior of which projects the free end of said fuse-element 3.

The reference character a indicates a casing or box, preferably made of card-board, and which may be constructed to provide various shapes in simulation of some desired object, such, for example, as shown in the drawing wherein the casing or box is shaped to simulate an armored gun-carriage or housing familiarly known as a tank. The said casing or box may be of the foldable type, the sides'5 of which are hingedly connected with the main body and provided with flaps 6 to tuck into the hollow interior 7 of the casing or box. The exterior sides of the casing or box may be printed or lithographed to simulate the exterior appearance of the tank or other objects, including representations of protruding gun muzzles. The sides 5 of the body are provided with holes or perforations 8 which are adapted to provide smoke escape ports, said holes or perforations being located to register with the ends or muzzles of the representations of the guns aforesaid. The upper top wall of the easing or box 4: is prvoided with an X-shaped slit 9 to provide a passageway through which the fuse 3 of the detonating element may project exteriorly from the chamber 7 of the casing or box, said slit by reason of its shape providing inwardly directed projections 10 which engage the sides of the fuse-element 3 to hold the same against accidental undesired longitudinal displace ment. The ball-like body into which the carrier sheet is formed (as above explained) is arranged within the hollow interior or chamber 7 of the casing or box 4:, and the fuse element 3 is so arranged that its free end projects outwardly through the X shaped slit 9 in the upper wall of the casing or box (as already mentioned above). The sides 5 of the box or casing are closed, whereupon the fire-work is ready for use. In operation, the free exteriorly projecting end of the fuse element 3 is ignited whereby the combustion thereof causes an igniting spark or flame to travel into the interior or chamber 7 to thereupon ignite the com bustible carrier sheet 1 to in turn ignite or set off the pastilles or lozenges 2, so that the latter will, as they undergo combustion, produce a succession of intermittent explosions or detonations. As the carrier sheet burns and also as the pastilles or lozenges are burned a certain amount of smoke is generated and fills the interior or chamber 7 of the casing or box 4, and the successive detonations of the pastilles or lozenges will produce compression of the air within the casing or box tending to expel the said smoke outwardly through the ports 8 in the form of puffs 0r rings, which gives the appearance of the firing of represented guns on the side of the casing or box as an accompaniment of the noise of the de tonations, thus making for a very novel and realistic effect, highly desirable in a fire-work of the character involved.

From the above description it will be clearly understood that the present invention provides a fire-work which not only produces a novel and amusing effect, but one which is comparatively inexpensive to manufacture and market. Furthermore, by reason of the enclosure of the detonating material in the comparatively roomy interior chamber of the casing or box, which is stout enough to easily'resist any disruptive effects of the small concussions accom panying the detonations of the explosive elements, will at the same time confine the scattering of burning particles to the space within the same, not allowing the said particles to escape from the interior, and consequently the novel fire-work is not only peculiarly adapted for the amusement of small children, but is perfectly safe for the latter to handle.

I am aware that some changes may be made in the arrangements and combinations of the parts making up the device, as well as in the details of the construction and composition of said parts, and particularly in the matter of the exterior shape, design or simulative decoration of the casing or box, without departing from the scope of this invention as above set forth, and as defined in the following claims. Hence, I do not limit myself to the exact arrange ments and combinations of the various parts as described in the above specification, nor do I confine myself to the exact details of the construction of said parts as illustrated in the accompanying drawings.

1. A pyrotechnical device, comprising a hollow casing of desired shape, the exterior sides of a desired wall or walls of said casing being provided with graphic simulation of gun-muzzles, said casing wall or walls having smoke escape ports registered with the ends of said graphic simulation of gunmuzzles and communicating with the interior of said casing, a combustible carrier means treated with a pyrotechnical composition adapted to detonate when ignited, said carrier means and its pyrotechnical composition being disposed within the interior of said casing, a fuse element attached to said carrier means, a desired wall of said casing having an X-shaped slit through which the free end of said fuse element may project exteriorly from said casing, and said X- shaped slit providing projections directed toward the body of the fuse-element to hold the same against accidental longitudinal displacement.

2. A pyrotechnical device, comprising a hollow casing of desired shape, the exterior sides of a desired Wall or Walls of said casing being provided With graphic simulation of gun-muzzles, said casing Wall or Walls having smoke-escape ports registered With the ends of said graphic simulation of gun muzzles or the like and communicating With the interior of said casing, a combustible carrier sheet having a plurality of spaced apart bodies of pyrotechnical composition attached thereto and-adapted to detonate when ignited, a fuse element attached by one end to said carrier sheet, said carrier sheet being crumpled into a roughly balllike body with the free end of said fuse element extending therefrom, said carrier sheet thus formed being enclosed Within the interior of said casing, and the free end of said fuse-element being disposed to project exteriorly from said casing.

In testimony, that I claim the invention set forth above I have hereunto set my hand this 24th day of Feby, 1923.

MILTON M. ADLER.

Witnesses:

GEORGE D. RICHARDS, EVA E. DESCH.

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