US2432288A - Insect powder sprayer - Google Patents

Description

1947- A. DANZIGER INSECT POWDER SPRAYER Filed Nov. 14, 1945 INVENTOR ABRAHM Dmmemn ATTORNEY.

Patented Dec. 9, 1947- INSECT POWDER SPRAYER Abraham Danziger,

Brooklyn, N. Y., assignor of one-half to Samuel L. Qhasin, Brooklyn, N. Y. Application November 14, 1945, Serial No. 628,414-

12 Claims.

This invention relates in general to a container from each other particle. A maximum covering effect may thus be obtained from a minimum of material; in addition, the powder may be blown into ordinarily inaccessible places.

It is an object of this invention to provide a power sprayer which is adapted to eject powder in the form of a fine cloud.

It is a further object of this invention to provide a powder box and powder sprayer in combination, whereby a powder may be stored and then ejected, when used, in the form of a fine cloud.

It is another object of the invention to provide a powder box and sprayer which is adapted to contain a powder in a sealed condition before use and is adapted to eject the powder in the form of a fine cloud when used.

Further objects of the invention as well as its construction, use and operation will in part be obvious and will in part be set forth in the following disclosure.

For further comprehension of the invention, and of the objects and advantages thereof, reference will be had to the following description and, accompanying drawings, and to the appended claims in which the various novel features of the invention are more particularly set forth,

In the accompanying drawings forming a material part of this disclosure:

Fig. l is a perspective view of a combination powder box and sprayer according to one form of the invention.

Fig. 2 is a front cross section of the article shown in Fig. 1, taken along the line 2--2.

Fig. 3 is a side cross section of the article shown in the previous figures. taken along the line 3--3 of Fig. 1.

Fig. 4 is an enlarged fragmentary side cross section of the article shown in the previous figures, showing the constructions and mounting of the spraying nozzle.

Fig. 5 is a perspective view of a U-shaped spring according to one form of the invention.

Fig. 6 is a side cross section of the article, similar to the view in Fig. 3, showing a further form of the invention.

Fig. 7 is an exploded side elevation, partially in section, showing a nozzle and puncturing needle according to a still further form of the -invention.

Fig. 8 is a fragmentary enlarged detailed view of the backing member.

' Fig. 9 is a fragmentary sectional view similar to Fig. 3, showing a modified form of the invention.

Referring to the figures in detail, there is shown a powder box, generally designated l0, comprising in general a box II and a spraying nozzle l2. The box H has flexible side walls, and preferably is somewhat pointed, with the nozzle substantially at the apex of the point and slightly above the cross sectional center line of the box.

Referring to Figs. 2- and 3, there is shown the structural detail of the box ill. The box is roughly triangular in shape, having rounded corners, and

having a relatively curved top l4 and bottom IS.

The edges of the box iii are curved, and adjacent thereto are small folds or creases i1. Both the 5 curved edges and the creases are flexible, whereby flexibility is imparted to the entire box structure. Thus, the top and bottom of the box may be squeezed substantially together without interference from the edges.

Mounted within the box, and preferably toward the center thereof is a spring l8, comprising a bent strip of spring steel or the like, and having a thickened portion 19 toward the front end of the box. As shown in the figure, the spring (refer also to Fig. 5) is bent to provide an upper leaf 2.0 and a lower leaf 2| substantially parallel with the top and bottom of the box, and having a curved section l9 joining the leaves springably together. The open end of the upper leaf is bent down to meet the lower leaf, whereby there is imparted to the spring a fine resiliency.

Mounted in the front end of the box, substantially at the apex of the triangular shape of the box is a spraying nozzle 22. A neck 23, near the base 24 0f the nozzle is adapted to fit into the box and to be retained therein, leaving the base inside the box and the mouth or body 25 of the nozzle 22 protruding from the box I l. The base 24, being wider than the neck 23, securely anchors the nozzle in position in the box.

A backing member 26 (see also Fig. 8) is mounted within the box bearing against the base 24 of the nozzle, and serves partially to retain the nozzle in its position, and to prevent the nozzle from being forced within the box. This backing member 26 is a metal strip,

bent at the ends forming flanges 26 to fit the inner contour of the box, and to extend slightly back from the front end of the box along the top and bottom of the box. Slightly above the center of the backing member 26 is a thin indented section 21 which is adapted to receive the base of the nozzle 22. At least this central section 2'? is constructed of a so t, puncturable material, such as, for example, a soft metal.

The backing member is fitted within the front of the box, adjacent to the nozzle, and optionally is secured there by means of the snug fit between the backing member 26 and the box ll alternatively, added means such as, for example, rivets, screws, glue or the like (means not shown in the drawings) secure the backing member firmly to the box.

According to another form of the invention (refer to Figs. 2, 3 and 4) the backing member comprises a fiat metallic ring 26; roughly triangular in shape to fit around the inside of the edge of the box II. This form of the ring, likewise has an indented section to receive the base 24 of the nozzle 22, the indented section being thinand puncturable, as in the case of the backing member shown in Fig. 8.

In the use of the article shown in the drawings, the box is partially filled with The powder is then sprayed, by rapidly forcing together the top and bottom of the box. Be-

and therefore the gust 'of air starting from the rear of the box passes through the nozzle, carryoughly dispersed in the. air, thereby utilizing it insures that the air will pass for a relatively long distance over the surface of the powder, so that the surface will be thoroughly stirred up. Similarly, the location of the nozzle slightly above the center of the box insures that the powder will not cover the nozzle, so that it is certain that the powder will be carried out in a gust of air, not merely forced through the nozzle by the pressure behind it. Accordingly. every provision is made to cause thorough dispersion of the fine powder particles.

When one puii of powder-air mixture is expelled from the box, the compressing pressure on the box is released, and the spring expands drawing'ln another puff of air. This new air in turn passes to the rear of the box, powder, so that the next succeeding expulsion of air will have an even more thorough dispersion of again stirring up the powder was somewhat caked in gular shape, wherein the front angle is less than which is shown in the figures and is the preferred form of the invention, permits the box to be inserted in a corner even where a short nozzle is used to prevent the nozzle from being broken off. Likewise, this construction is highly satisfactory for ejecting powder into the smallest cracks and crevices.

It is also to be noted that the construction of the present invention is such that it may not be refilled at any time with a substitute or with a powder of inferior quality.

In Fig. 6 there is shown a different arrangement of parts within the box H. In this form of the invention, the nozzle 22 is similarly mounted within the front of the box, by means of a backing member 26. The sides of the box are flexible. as in the preceding figures. Toward the front of the box, and inside the box is mounted a relatively heavy spring 18, and toward the rear of the box is a lighter spring 18 each 'urging the top M and the bottom I5 of the box apart. In this form of the invention, the easy compressibility of the rear of the box is emphasized. In this case, not only is the air carried from the rear of the box, but additionally the backing member 26 is protected from damage because the front section of the box is compressed only slightly, and accordingly only a slight bending of this backing member takes place. Similarly, there is practically no tendency to cause the nozzle 22 to become separated from the box by means of bending of the front portion.

In Fig. 7 is shown a nozzle and puncturing means which is adapted to be used in any of the forms of the invention. In this form, the inside of the nozzle 22 is at least partially threaded, to receive a pin 28 which also is at least partially threaded. A wide or wing handle 29 on the pin serves at a gripping means. In use, the pin is initially loosely. screwed into the nozzle'with the point 30 of the pin either free from the back ing member 26 of the box, or at most only barely touching the backing member. To open the box, this pin is screwed into the nozzle until the backing member is punctured. The pin is then removed, and the powder sprayed outas desired. To reclose the box, the pin is once again screwed into the nozzle, effectively closing the opening.

In Fig. 9 there is shown means for adjusting the compressibility of the box, and in particular of the front and rear sections of the box. In this form of the invention the spring i8 is siidably mounted within the box I l, and its position therewithin is controlled by means of knobs 29 projecting slightly outside the box through a slot 30 in the bottom l5 of the box. When the spring is slid forward, the rear of the box is more easily compressed, and when slid back, the rear is more difiicultly compressed. I Thus there is provided a compressibility controlv on the box.

It is to be understood that various features of the box have been presented sep ely. b h some or all of these features may be combined with one another. For example, the slidable While I have illustrated and described the preferred embodiments of my invention, it is to be understood that I do not limit myself to the precise constructions herein disclosed and the right is reserved to all changes and modifications com ing within the scope of the invention as defined in the appended claims.

, Having thus described my invention, what I claim as new, and desire to secure by United States Letters Patent is:

1. A powder box having a relatively flat top and bottom and having a nozzle mounted along one edge thereof, a spring mounted within the box to urge the top and bottom apart, and a backing means mountedbehind the nozzle to re tain the nozzle in its position with respect to the box.

2. A combination powder box and powder sprayer comprising a box having a nozzle mounted along one edge thereof, a spring mounted within the box to urge the top and bottom apart, and a backing means mounted behind the nozzle to retain the nozzle in its position with respect to the box.

3. A combination powder box and powder sprayer comprising a triangular box having a nozzle mounted along one edge thereof, a spring mounted within the box to urge the top and bottom apart, and a backing means mounted behind the nozzle to retain the nozzle in its position with respect to the box.

4. A combination powder box and powder sprayer comprising a triangular box having a relatively flat top and bottom and having rounded corners, a nozzle mounted at one of said corners, a spring mounted within the box to urge the top and bottom apart, and a puncturable backing means mounted within the box and supporting the nozzle on the box, the backing means closing off the nozzle and adapted to be opened by being punctured. g

5. A combination powder box and powder sprayer comprising a triangularbox having a relatively flat top and bottom and having rounded corners, a nozzle mounted at a corner of the box having an angle of less than 90", a spring mounted within the box to urge the top and bottom apart, and a puncturable backing means mounted within the box and supporting the nozzle on the box,

the backing means closing off the nozzle and adapted to be opened by being punctured.

6. A combination powder box and powder sprayer comprising a triangular box having a relatively flat top and bottom and having flexible rounded edges and corners, a nozzle mounted at one Of said corners, a puncturable backing means supporting said nozzle on the box and closing the opening in the nozzle, and a spring mounted within the box and urging apart the top and bottom of the box.

7. A combination powder box and powder sprayer comprising a triangular box having a relatively flat top and bottom and having flexible rounded edges and corners, a nozzle mounted at one oi said corners, a puncturablebacking means supporting said nozzle on the box and closing the opening in the" nozzle, and a spring mounted within the box and urging apart the top and bottom of the box, said spring exerting a greater repelling force between the topand bottom at the end of the box nearest the nozzle.

, 8. A combination powder -box' and powder sprayer comprising a triangular box having a relr of the box,

atively flat top and bottom and having flexible rounded edges and corners, a nozzle mounted at one of said corners and above the center 01 the box, a puncturable backing means supporting said nozzle on the box and closing the opening in the nozzle, and a spring mounted within the box and urging apart the top and bottom of the box.

9. A combination powder box and powder sprayer comprising a triangular box having a relatively flat top and bottom and having flexible rounded edges and corners, a nozzle mounted at one of said corners and above the center of the box, a puncturable backing means supporting said nozzle on the box and closing the opening in the nozzle, and a spring mounted within the box and urging apart the top and bottom of the box,

said spring exerting a greater repelling force be- .tween the top and bottom of the box at the end of the box nearest the nozzle.

10. A combination powder box and powder sprayer comprising a triangular box having a relatively fiat top and bottom and having flexible rounded edges and corners, a nozzle mounted at one of said corners and above the center of the box, a puncturable backing means supporting said nozzle on the box and closing the opening in the nozzle, and a spring mounted within the box and urging apart the top and bottom of the box, said spring exerting a greater repelling force between the top and bottom of the box at the end of the box nearest the nozzle, and said backing means having flanges retaining the bottom and top of the box apart adjacent to the nozzle.

spring exerting a greater repelling force betweenthe top and bottom of the box at the end of the box nearest the nozzle, and means for moving said spring within the box to adjust its position with respect to the bottom and the top of the box.

12. A combination powder box and powder sprayer comprising a triangular box having a relatively flat top and bottom and having flexible rounded edges and corners, a nozzle mounted at one of said corners and above the center of the box, a puncturable backing means supported against said nozzle on the box and closing the opening in the nozzle, and a spring mounted within the box and urging apart the top and bottom said spring exerting a greater repelling force between the top and bottom of the box at the end of the box nearest the nozzle, and means mounted on. the nozzle for. puncturing said puncturable backin means.

ABRAHAM DANZIGER.

REFERENCES CITED The following references are of record in the flle of this patent:

UNITED STATES PATENTS

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