US 1490496 A
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April 15 1924. 1,490,496
w. J. TREVILLIAN RESILIENT RECEPTACLE ADAPTED T0 EJECT ITS CONTENTS WHEN COMPRESSED Filed Dec. '7, 1921 Patented Apr. l5, 1924.
- DNETEE STATES WILLIAM J. TREVILLIAN, OF FREEPORT, ILLINOIS.
RESILIENT RECEPTACLE ADAPTED TO EJECT ITS CONTENTS VTHEN COMPRESSED.
Application filed December 7, 1921.. Serial No. 520,470.
To all VIZZO/HL it may concern:
Be it known that I, V. J. TREVILLIAN, a citizen of the United States, and resident of Freeport, in the county of Stephenson and State of Illinois, have invented certain new and useful Improvements in Resilient Receptacles Adapted to Eject Their Contents When Compressed, of which the following is a specification, reference being had therein to the accompanying drawing.
This invention relates to resilient receptacles adapted to eject a portion of their contents as often as they are manually compressed and released. Receptacles of this general type are often used for spraying vegetation with powder to destroy insect. life or other injurious organisms. For spray ing with powder such receptacles should be capable of containing a somewhat large amount of material and when their sides are pressed suddenly inward should eject a large volume of air. Small receptacles having outwardly convex thin resilient walls may give fairly satisfactory results, but when the receptacles are larger the metal of such side walls received set and no longer operates properly. This fact has led many to use special spring devices for restoring the walls to initial position after they have been pressed inward, but such expedients are in many ways objectionable, and one object of this invention is to avoid such objection's and secure better results in a simpler way.
In the accompanying drawings,
Fig. 1 is a side view of a receptacle made in accordance with this invention.
Fig. 2 is a like view of the opposite side.
Fig. 3 is a diametrical section of the same receptacle.
These figures show a shallow cylindrical box divided perpendicularly to its axis and consisting of a body portion A which telescopes a companion or cover member B fitting it 'so closely that the joint is nearly or quite air tight. This body member is provided with a circumferential bead C, a conical marginal portion D terminating in a bead D near the top or cover member and is provided with a marginally plane, centrally convex bottom E having radial inwardly tapered ribs F which extend from the plane marginal portion toward the central noncorrugated area G. The companion or cover portion has an annular flange H fitting closely over the conical portion of the body D and provided with a marginal bead H which, when the parts are pressed firmly together, lies near the bead C. The cover has a top disk portion like the part E of the body except that the central non-corrugated portion I is provided with an opening J surrounded by a raised rib L having an iii-turned flange M in which fits a small disk N. This disk has an outwardly diverging flange 0 provided with a marginal lip O by means of which it may be lifted out of its closing position. One member of this two part receptacle is laterally perforated near its broad face disk to form a discharge opening P in which fits a plug P of suitable material, a nail or large tack being sometimes used.
When the receptacle is to be used, the body member is filled with material to be sprayed and the cover is forced on with such pressure that there is no danger of its accidental displacement, although it may still be detached by inserting a suitable lever between the adjacent beads. The plug and small disk being in place the apparatus is complete. If the plug be removed and the sides or top and bottom of the box, or receptacle, be suddenly compressed, the broad stratum of air near the cover is compressed, and a large volume of air strives to escape through the lateral opening P and thus ejects a portion of the material to be sprayed. hen the pressure applied ceases, the top and bottom instantly recoil and assume their initial positions.
Vhen more powder is to be introduced, the small disk is removed and the material is introduced through this opening. Should the powder become wet and form a cake, the two main parts are separated and the receptacle is refilled with fresh material.
The inwardly tapered radial ribs form integral springs which bend progressively, the. displacement being greatest at their inner endsand gradually decreasing without being concentrated in any portion of the disk. and consequently no set occurs no matter how long the receptacle may be in use.
At the same time, full central displacement is maintained so that effectiveness is not diminished. It may also be noted that the cost of the simplest common form is substantially unchanged, and no soldering is employed. at any point.
The length and the base width of the ribs may be varied according to the size of the receptacle and the character and thick ness of the material or metal, and preferably the aperture P is in the axial line of one of the ribs. It is also obvious that it is not indispensable to have both faces ribbed, and that the ribs would be just as effective with the receptacle body and cover soldered together.
lVhat I claim is:
The combination With a receptacle having two opposite, broad, highly resilient, convex sides connected by a separable air-exeluding peripheral wall and provided with a filling opening and a relatively small discharge perforation, of a removable closure closely fitting said opening, and a removable closure for said perforation, said broad sides having gradually widened corrugations extending outwardly from their middle portions.
In testimony whereof I hereunto affix my signature.
XV. J. TREVILLIAN.