Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.


  1. Advanced Patent Search
Publication numberUS3754861 A
Publication typeGrant
Publication dateAug 28, 1973
Filing dateAug 9, 1971
Priority dateAug 9, 1971
Publication numberUS 3754861 A, US 3754861A, US-A-3754861, US3754861 A, US3754861A
InventorsSadahiro J
Original AssigneeDaito Match Kogyo K K
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Formed solid fumigant with an ignition head
US 3754861 A
Abstract  available in
Previous page
Next page
Claims  available in
Description  (OCR text may contain errors)

United v States Patent 1191 I Sadahiro" Aug. 28, 1973 1 FORMED SOLID FUMIGANT WITH AN 2,720,012 10/1955 Lilly et a1 21/111' 2,770,854 11/1956 Miszeika .1 21/116 IGNITION HEAD 2,700,011 1/1955 Taylor 424/40 Junichi Sadahiro, Hyogo, Japan Daito Match Kogyo Kabushiki Kaisha, l-lyogo-ken, Japan Filed: Aug. 9, 1971 Appl. No.: 169,939



Topjian .1., 21/1 11 Primary Examiner-Joseph Scovronek Attorney-Eliot S. Gerber 57 ABSTRACT 1 Claim, 3 Drawing Figures 'Pmiminmsze Ian 3.754.861

INVENTOR. 'wv I c All SAD/H0196 FORMED SOLID FUMIGANT WITH AN IGNITION HEAD This invention relates to a formed solid fumigant, of the type used for incense, insecticide and the like, and more particularly to a formed solid fumigant having an ignition head formed on its tip portion.

It is known to use a solid fumigant as an insecticide for killing vermins, such as mosquitoes and other insects. The effective ingredients of such fumigants include pyrethrin, which is extracted from pyrethrum. cinerariaefolium, allethrin and the like. 1 A solid fumigant used for incense is also known. Such a solid perfume may be formed from a mixture of fragrant wood powder, a little potassium nitrate, a desired amount of perfume, and rubber latex. It is also known to provide an ignition head at such solid fumigants tip portion so as to omit using a match or lighter to ignite it. But such conventional fumigant is often broken from its tip portion when it is held between fingers and the ignition head is struck, to ignite it, against the striking surface of a match box.

Frequently, the fumigants main body is not succeedingly set on fire after the ignition of the head because the main body is hard, to prevent it from breaking easily.

An objective of the present invention is to provide a fumigant which will be positively set on fire after the combusition of an ignition head.

Another object is to provide a fumigant which is not breakable even if it is made relatively soft.

According to the present invention, a fumigant body is covered at its tip portion with a layer on which an ignition head is provided. The layer serves to elevate the temperature of the ignition fire and, thereby, ignite the layer 2 covering the tip portion of the fumigant body 3,

and an ignition head 1 formed on the layer 2.

As shown in. FIGS. 1 to 3, the form of the fumigant body 3 can be variously formed according to the desired length of burning time. When it is desired to burn for about less than 10 minutes, astick-form fumigant, as shown in FIG. 1, may be adopted. In the coneform fumigant in FIG. 2, the bottom has a dimension of 4 cm and the height is 2.5 cm., and the burning time is from 10 to 15 minutes. When a fumigant is formed, as

a coil in FIG. 3, it can be continuously burned and fumigated for 6 to 8 hours.

When used as an insecticide, for example, for killing mosquitoes, the fumigant body 3 is made by mixing fine powders of Japanese cedar, peppermint, and past with the main ingredient pyrethrum, adding potassium chlorate and potassium nitrate as an oxidizer, glass powder and lead oxide as regulating agent thereto, and forming the mixture to the desired shape by adhesives such as glue, starch, and synthetic resin.

The layer 2 covers the tip portion of the fumigant body 3 and serves to elevate the temperature of fire of the ignition head I sufficiently to ignite the fumigant body. The ingredients of this layer are incense, oxidizer such as potassum nitrate, potassium chlorate and potassium perchlorate, and regulating agents such as glass powder. These ingredients are mixed together and cemented to the tip portion of the fumigant body 3.

The ignition head 1, such as is used for the tip of a match, is provided at the tip of the layer 2. Ingredients of the ignition head 1 are potassium chlorate as an oxi-' dizer, manganese dioxide as an oxidizing promotor, potassium bichromate as an oxidizer and moisture-proof agent, sulfur as combustible materal, and inert material such as glass'powder, lead oxide, silicic sand, diatomaceou's earth, mica and kaolin. These ingredients are mixed together and cemented to the tip portion of the layer .by binders such as glue, starches and synthetic resins.

The formed solid fumigant, with the ignition head according to the present invention, operates in the same manner as a conventional safety match, in that it isset on fire by friction against the striking surface of the match box. As the heat of fire at the layer 2 is conducted to the fumigant body 3 from a relatively wide tip portion thereof and the heat is sufficient to ignite the fumigant body 3, the fumigant body 3 is positively and easily set on fire to smolder. I

The layer 2 itself is hard enough to endure the blow when the ignition'head l is struck against a striking (friction) surface.

Furthermore, in the embodiments shown in FIG. 2, the layer 2 strongly supports the tapered tip portion of the fumigant body 3 and prevents its tip from breaking.

I claim:

1. A formed solid fumigant comprising a fumigant body having a tip, said body being ignitable by a relatively high temperature; a layer covering the said tip of said fumigant body for facilitating an ignition thereof, said layer being a-compositionincluding an incense, an oxidizer, a regulating agent, and a binder; and a friction ignition head coveringa portion of said layer, said ignition head being ignitable by the relatively low temperature of friction, said friction ignition head including an oxidizer and moisture-proofing agent, an oxidizing promoter, inert material, a binder, and combustible material.

t l l t

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US4037352 *Sep 23, 1976Jul 26, 1977Airwick Industries, Inc.Electrical device which emits insecticidal vapors
US4367203 *Apr 20, 1981Jan 4, 1983David LandsbergerThermal sensitive deodorant wafer
US4797090 *Jun 12, 1987Jan 10, 1989Rogers H GardnerCandle lantern apparatus
US5657574 *May 13, 1996Aug 19, 1997S. C. Johnson & Son, Inc.Coiled insect fumigant
US5948424 *May 16, 1997Sep 7, 1999S. C. Johnson & Sons, Inc.Coiled insect fumigant
US6061950 *Jul 2, 1998May 16, 2000S. C. Johnson & Son, Inc.Burnable coil holder
US6186776Aug 27, 1999Feb 13, 2001Christian P. MyerchinBirthday candle ignition system
US6286248 *Dec 15, 1999Sep 11, 2001S. C. Johnson & Son, Inc.Rope-like fumigant
US6440362Jan 18, 2000Aug 27, 2002S. C. Johnson & Son, Inc.Interconnectable fumigant
US6613289Apr 24, 2000Sep 2, 2003Stanley, Iii Virgil E.Incense match
US6732473Jun 27, 2002May 11, 2004S. C. Johnson & Son, Inc.Burst delivery insect control coil
US6941697 *Mar 28, 2001Sep 13, 2005Bimal AryaCoiled fumigant set
US7473282Oct 21, 2004Jan 6, 2009Bertha ManningSelf-lighting candle
US20040111954 *Mar 28, 2001Jun 17, 2004Bimal AryaCoiled fumigant set
US20060088795 *Oct 21, 2004Apr 27, 2006Bertha ManningSelf-lighting candle
US20100316962 *Dec 16, 2010Heidi Elise NewellMethod for embodying an incense-coated template in variety of ornate and complex designs or patterns
WO1997042814A1 *May 13, 1997Nov 20, 1997Johnson & Son Inc S CCoiled insect fumigant
WO2004002222A1 *Jun 25, 2003Jan 8, 2004Johnson & Son Inc S CBurst delivery insect control coil
WO2006096081A1 *Mar 4, 2005Sep 14, 2006Pavel Vasilievich VerteleckiyMatch for freshening the air and neutrilizing odor and method
U.S. Classification422/126, 431/289, 43/125, 424/42, 424/40, 424/41
International ClassificationA01M13/00, A01M1/20
Cooperative ClassificationA01M1/2066
European ClassificationA01M1/20C4C