US2618883A - Dust gun - Google Patents

Dust gun Download PDF

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Publication number
US2618883A
US2618883A US76599A US7659949A US2618883A US 2618883 A US2618883 A US 2618883A US 76599 A US76599 A US 76599A US 7659949 A US7659949 A US 7659949A US 2618883 A US2618883 A US 2618883A
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United States
Prior art keywords
cylinder
bag
cylindrical member
air
outer cylindrical
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Expired - Lifetime
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US76599A
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Morsink Albert
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0055—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M13/00—Insufflators for therapeutic or disinfectant purposes, i.e. devices for blowing a gas, powder or vapour into the body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/04—Deformable containers producing the flow, e.g. squeeze bottles
    • B05B11/041—Deformable containers producing the flow, e.g. squeeze bottles designed for spraying particulate material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/06—Gas or vapour producing the flow, e.g. from a compressible bulb or air pump
    • B05B11/062—Gas or vapour producing the flow, e.g. from a compressible bulb or air pump designed for spraying particulate material

Definitions

  • the invention relates to a dust-gun for dispensing powders such as insecticides with a perforated upperwall in which a bag is xed in telescopic moving cylinders. characterized by the fact, that the bag is airtightly xed by its upper edge to the upper edge of the telescoped cylinder, and lling up nearly the Whole contents of the same cylinder, the bag being closed at the other end and being so shorter than the telescoped cylinder which is formed with an open bottom.
  • Both cylinders t exactly in respect to in each other and the telescoping lower or movable cylinder is provided in the bottom thereof with a back-valve acting means.
  • the bottom of the movable cylinder (the lower) is loosely supported by an inwardly directed edge of the cylindrical wall, so that the bottom is lifted when the said cylinder is moved downwardly with respect to the rigid, telescoped cylinder and so that air may enter the space below the bag.
  • FIG. 1 is a sectional view through the improved dust gun
  • Fig. 2 is a similar view of another form of the bottom of the movable or telescoping cylinder.
  • Fig. 3 is a plan view of this bottom.
  • Fig. 1 the rigid cylinder is indicated by 2.
  • I is the outer or movable cylinder
  • 3 is the bag, to be lled with powder.
  • the bag 3 when closed, is shorter than the inner, telescoped cylinder 2, and iixed airtightly at 4 to the upper inner edge of the cylinder '2.
  • This cylinder 2 is open at its lower end and closed at its upper end by a perforated lid 5.
  • the bottom 6 of the movable or telescoping cylinder lies loosely upon the inwardly directly edge 1.
  • the cylinder 2 is capped by the cylindrical lid 8.
  • the movable cylinder I is quickly pressed inwardly over the rigid cylinder 2, and, because the bag ts nearly exactly in the cylinder 2, the air in the space between the bottom E of the cylinder I and the bottom surface 9 of the bag is compressed and presses the powder to the outside.
  • the side walls and bottom of the bag are, of course, air impervious to permit such compression.
  • the exact iit of the bag in the cylinder facilitates such compression since the cross-sectional area of the bag, substantially throughout its length, ls substantially equal to the cross-section of the inner cylinder 2 thereby substantially or largely conflning the compressed air to the bottom surface 9.
  • the bottom II is fixed in the cylinder I, but is provided with one or more perforations I2.
  • a thin paper diaphragm is xed at the edge I4 by adhesive means or other manner.
  • the said diaphragm is also provided with one or more perforations I3, which perforations I3 are so arranged, that they never cover a perforation I2 e. g., that it must be impossible that, when the movable cylinder I is pressed over the inner cylinder, the compressed air will pass from the inner space between the surfaces I0 and 9 (Fig. l) through the perforations I3 and I2 to the outside.
  • the cylinders may assume varied dimensions and forms and are made of cardboard, wood. tinned sheet iron, plastic or the like and the bag may be made of paper, rubber or other suitable material.
  • a dust gun which comprises: an outer cylindrical member of rigid material open at its top; an inner cylindrical member of rigid material open at its bottom, said inner cylindrical member being telescoped within said outer cylindrical member, and slidable with respect thereto; a check valve in the bottom end portion of said outer cylindrical member, said check valve permitting air to enter within said outer cylindrical member, but preventing air from escaping therefrom when said outer cylindrical member is slid with respect to said telescopng inner cylindrical member so that its bottom end approaches the open bottom portion of said inner cylindrical member; a perforated lid secured to said inner cylindrical member at its upper end portion; and a bag for powder positioned within said inner cylindrical member and fixed thereto in a substantially air-tight manner with only its upper edge portion secured to the inside upper edge portion of said inner cylindrical member adjacent said perforated lid, said bag having air impervious side walls and bottom, the length of said bag along the cylindrical Wall of said inner cylindrical member being less than the length of said inner cylinder Wall, so that the bottom of said bag is above the bottom edge portion of said inner cylindrical member and
  • a dust gun as dened in claim 1, wherein said check Valve in the bottom end portion of said outer cylindrical member comprises a bottom plate which is tightly pressed against the Wall of said outer cylindrical member in substantially air-tight engagement therewith when said bottom plate is subjected to air pressure from within said outer cylindrical member, but which is released to permit air to enter within said outer cylindrical member when the pressure of air within said outer cylindrical member against said bottom plate is released.

Description

A. MoslNK Nov. 25, 1952 DUST GUN Filed Feb. l5, 1949 Fla.;
Patented Nov. 25,` 1952 v DUST GUN Albert Morsink, Enschede, Netherlands Application February 15, 1949, Serial No. 76,599
In the Netherlands February 16, 1948 2 Claims.
The invention relates to a dust-gun for dispensing powders such as insecticides with a perforated upperwall in which a bag is xed in telescopic moving cylinders. characterized by the fact, that the bag is airtightly xed by its upper edge to the upper edge of the telescoped cylinder, and lling up nearly the Whole contents of the same cylinder, the bag being closed at the other end and being so shorter than the telescoped cylinder which is formed with an open bottom. Both cylinders t exactly in respect to in each other and the telescoping lower or movable cylinder is provided in the bottom thereof with a back-valve acting means.
According to another object of the invention the bottom of the movable cylinder (the lower) is loosely supported by an inwardly directed edge of the cylindrical wall, so that the bottom is lifted when the said cylinder is moved downwardly with respect to the rigid, telescoped cylinder and so that air may enter the space below the bag.
Further objects, advantages and capabilities of the invention will appear from the following description of two embodiments thereof in con- Vjunction with the accompanying drawing, in
which Fig. 1 is a sectional view through the improved dust gun,
Fig. 2 is a similar view of another form of the bottom of the movable or telescoping cylinder, and
Fig. 3 is a plan view of this bottom.
In Fig. 1 the rigid cylinder is indicated by 2. I is the outer or movable cylinder, 3 is the bag, to be lled with powder. The bag 3, when closed, is shorter than the inner, telescoped cylinder 2, and iixed airtightly at 4 to the upper inner edge of the cylinder '2. This cylinder 2 is open at its lower end and closed at its upper end by a perforated lid 5.
The bottom 6 of the movable or telescoping cylinder lies loosely upon the inwardly directly edge 1. When the dust-gun is out of use the cylinder 2 is capped by the cylindrical lid 8.
When the bag 3 is filled with powder from the lower end 9, this end is closed and it will be noted that the end of this bag does not extend beyond the lower edge of the rigid cylinder 2 and therefor the bottom 6 of the other cylinder will never come into contact with the bag.
To dispense the powder the movable cylinder I is quickly pressed inwardly over the rigid cylinder 2, and, because the bag ts nearly exactly in the cylinder 2, the air in the space between the bottom E of the cylinder I and the bottom surface 9 of the bag is compressed and presses the powder to the outside. The side walls and bottom of the bag are, of course, air impervious to permit such compression. Further, the exact iit of the bag in the cylinder facilitates such compression since the cross-sectional area of the bag, substantially throughout its length, ls substantially equal to the cross-section of the inner cylinder 2 thereby substantially or largely conflning the compressed air to the bottom surface 9.
Then the movable cylinder I is moved back and the air is sucked along the opening bottom 6 because the air pressure will open the said bottom.
In Figs. 2 and 3 the bottom II) is fixed in the cylinder I, but is provided with one or more perforations I2. Upon the bottom I0 a thin paper diaphragm is xed at the edge I4 by adhesive means or other manner. The said diaphragm is also provided with one or more perforations I3, which perforations I3 are so arranged, that they never cover a perforation I2 e. g., that it must be impossible that, when the movable cylinder I is pressed over the inner cylinder, the compressed air will pass from the inner space between the surfaces I0 and 9 (Fig. l) through the perforations I3 and I2 to the outside.
The cylinders may assume varied dimensions and forms and are made of cardboard, wood. tinned sheet iron, plastic or the like and the bag may be made of paper, rubber or other suitable material.
What I claim is:
1. A dust gun, which comprises: an outer cylindrical member of rigid material open at its top; an inner cylindrical member of rigid material open at its bottom, said inner cylindrical member being telescoped within said outer cylindrical member, and slidable with respect thereto; a check valve in the bottom end portion of said outer cylindrical member, said check valve permitting air to enter within said outer cylindrical member, but preventing air from escaping therefrom when said outer cylindrical member is slid with respect to said telescopng inner cylindrical member so that its bottom end approaches the open bottom portion of said inner cylindrical member; a perforated lid secured to said inner cylindrical member at its upper end portion; and a bag for powder positioned within said inner cylindrical member and fixed thereto in a substantially air-tight manner with only its upper edge portion secured to the inside upper edge portion of said inner cylindrical member adjacent said perforated lid, said bag having air impervious side walls and bottom, the length of said bag along the cylindrical Wall of said inner cylindrical member being less than the length of said inner cylinder Wall, so that the bottom of said bag is above the bottom edge portion of said inner cylindrical member and the cross-sectional area of the bag, substantially throughout its length, being substantially equal to the crosssection of the inner cylindrical member.
2, A dust gun as dened in claim 1, wherein said check Valve in the bottom end portion of said outer cylindrical member comprises a bottom plate which is tightly pressed against the Wall of said outer cylindrical member in substantially air-tight engagement therewith when said bottom plate is subjected to air pressure from within said outer cylindrical member, but which is released to permit air to enter within said outer cylindrical member when the pressure of air within said outer cylindrical member against said bottom plate is released.
ALBERT MORSINK.
REFERENCES CITED The following references; are o1 record in the fue of this patent:
UNITED STATES PATENTS Numlber Name Date 465,484 Magoris Dec. 22, 1891 1,828,191 Knutson et al Oct. 20, 1931 1,994,294 Williams Mar. 12, 1935 2,984,504 rRose June 22, 1937 2,184,191 Lusk Dec. 19, 1939 2,514,516 Root July l1, 1950
US76599A 1948-02-16 1949-02-15 Dust gun Expired - Lifetime US2618883A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL138883 1948-02-16

Publications (1)

Publication Number Publication Date
US2618883A true US2618883A (en) 1952-11-25

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ID=19750439

Family Applications (1)

Application Number Title Priority Date Filing Date
US76599A Expired - Lifetime US2618883A (en) 1948-02-16 1949-02-15 Dust gun

Country Status (5)

Country Link
US (1) US2618883A (en)
BE (1) BE487358A (en)
DE (1) DE818553C (en)
FR (1) FR981006A (en)
NL (1) NL65971C (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2618882A (en) * 1947-09-06 1952-11-25 Thomas C Martin Fly swatter
US4678377A (en) * 1985-04-19 1987-07-07 Bouchard Antoine J Dispenser for particulate matter
US6027675A (en) * 1997-08-01 2000-02-22 Sacmi-Cooperativa Meccanici Imola-Soc. Coop. A.R.L. method for forming ceramic titles, including those of large dimensions, and a device for implementing the method
US20020158070A1 (en) * 2001-03-14 2002-10-31 Sergio Crosta Airtight container, in particular for cosmetic products in powder with highly volatile components
WO2022033737A1 (en) * 2020-08-11 2022-02-17 Tunap Gmbh & Co. Kg Container made of paper

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2618882A (en) * 1947-09-06 1952-11-25 Thomas C Martin Fly swatter
US4678377A (en) * 1985-04-19 1987-07-07 Bouchard Antoine J Dispenser for particulate matter
US6027675A (en) * 1997-08-01 2000-02-22 Sacmi-Cooperativa Meccanici Imola-Soc. Coop. A.R.L. method for forming ceramic titles, including those of large dimensions, and a device for implementing the method
US6599114B1 (en) 1997-08-01 2003-07-29 Sacmi-Cooperativa Meccanici Imola - S.C.R.L. Device for forming ceramic tiles, including those of large dimensions
US20020158070A1 (en) * 2001-03-14 2002-10-31 Sergio Crosta Airtight container, in particular for cosmetic products in powder with highly volatile components
WO2022033737A1 (en) * 2020-08-11 2022-02-17 Tunap Gmbh & Co. Kg Container made of paper

Also Published As

Publication number Publication date
BE487358A (en)
NL65971C (en)
FR981006A (en) 1951-05-21
DE818553C (en) 1951-10-25

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