JP2011001417A - Wood material for combustion - Google Patents

Wood material for combustion Download PDF

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JP2011001417A
JP2011001417A JP2009144057A JP2009144057A JP2011001417A JP 2011001417 A JP2011001417 A JP 2011001417A JP 2009144057 A JP2009144057 A JP 2009144057A JP 2009144057 A JP2009144057 A JP 2009144057A JP 2011001417 A JP2011001417 A JP 2011001417A
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wood
combustion
end surface
hole
vertical hole
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Yoshiyuki Watanabe
邊 義 之 渡
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TEM REALTOR KK
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TEM REALTOR KK
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/10—Biofuels, e.g. bio-diesel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel

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Abstract

PROBLEM TO BE SOLVED: To provide a wood material for combustion, the material controllable of the intensity of combustion.SOLUTION: The wood material W for combustion includes a pillar-like wood body 1 that can stand, a longitudinal hole 2 which runs approximately through the center on the upper end face 1A of the wood body 1, directing inward in the wood body 1, and which is open at least on the upper end face 1A, and a lateral hole 3 which is open on only a side face 1C excluding the upper end face 1A and a lower end face of the wood body 1 and which runs inward in the wood body 1 to communicate with the longitudinal hole 2.

Description

本発明は、燃焼用木材に係り、特に、燃焼の強弱をコントロールすることができる燃焼用木材に関する。     The present invention relates to a wood for combustion, and more particularly to a wood for combustion capable of controlling the strength of combustion.

従来、「丸太ろうそく」と称されるものがある。これは、木材の端面にチェーンソー等で十文字の切り込みを入れたものである（例えば、特許文献１参照）。
特許文献１記載のものは、所定寸法の縦長角柱状に構成された木材本体（２）と、木材本体（２）に上面から当該木材本体（２）の前面幅（２Ａ）における縦中心線（２Ａ１）に沿うように刻設された前後方向への縦切込み（３）と、当該木材本体（２）の側面幅（２Ｂ）における縦中心線（２Ｂ１）に刻設された左右方向への縦切込み（４）と、前後方向への縦切込み（３）の下端に連結された状態で木材本体（２）を前後方向に貫通せしめた前後方向への横向き空気孔（５）と、左右方向への縦切込み（４）の下端に連結された状態で木材本体（２）を左右方向に貫通せしめた左右方向への横向き空気孔（６）と、木材本体（２）における前後方向への縦切込み（３）と左右方向への縦切込み（４）との交差部分に所定深さをもって角穴状あるいは丸穴状に刻設された補助着火材の収納部（７）とから構成されている。
この記載のものは、木材本体（２）の四側面の各面のそれぞれに、縦切込み（３）（３）（４）（４）を設け、木材本体（２）の周囲から空気が供給されるため、木材を勢いよく燃焼させることができる。 Conventionally, there is what is called a “log candle”. This is a cross-cut with a chain saw or the like on the end face of wood (for example, see Patent Document 1).
The thing of patent document 1 is the vertical center line (2A) in the front surface width (2A) of the said wood main body (2) from the upper surface to the wood main body (2) comprised by the vertically long prismatic column shape of a predetermined dimension. 2A1) a longitudinal cut (3) in the front-rear direction engraved along the vertical axis (2B1), and a longitudinal cut in the left-right direction engraved on the longitudinal center line (2B1) in the lateral width (2B) of the wood body (2). A transverse air hole (5) in the front-rear direction that penetrates the wood body (2) in the front-rear direction in a state of being connected to the lower end of the cut (4) and the longitudinal cut (3) in the front-rear direction, and in the left-right direction The horizontal air hole (6) in the left-right direction that penetrates the wood body (2) in the left-right direction while being connected to the lower end of the vertical cut (4), and the longitudinal cut in the wood body (2) in the front-rear direction Square hole with predetermined depth at the intersection of (3) and vertical cut (4) in the left-right direction Or is constructed from housing portion of the engraved in a round hole shape auxiliary ignition material (7).
In this description, vertical cuts (3), (3), (4), and (4) are provided on each of the four side surfaces of the wood body (2), and air is supplied from around the wood body (2). Therefore, wood can be burned vigorously.

実用新案登録第３０３２８０７号公報Utility Model Registration No. 3032807

しかしながら、上記記載のものの縦切込み（３）（３）（４）（４）は、木材本体（２）の四側面の各面のそれぞれに設けられ、しかも、何れも、木材本体（２）の上端面から切り込まれているため、木材本体（２）の燃焼部への空気の供給量が充分なため、例えば、時間をかけてゆっくりと燃やしたくても、勢いよく燃焼してしまい、燃焼の強弱のコントロールができないという問題点があった。     However, the vertical notches (3), (3), (4), and (4) of the above-described one are provided on each of the four side surfaces of the wood body (2), and both are provided on the wood body (2). Since it is cut from the upper end surface, the amount of air supplied to the combustion part of the wood body (2) is sufficient. For example, even if it is desired to burn slowly over time, it burns vigorously and burns. There was a problem that it was impossible to control the strength.

本発明は、上記の問題点を除去するようにした燃焼用木材を提供することを目的とする。     An object of this invention is to provide the wood for combustion which removes said problem.

請求項１記載の燃焼用木材は、立設可能な柱状の木材本体と、この木材本体の上端面の略中心を通って前記木材本体の内部に向かうと共に、前記上端面に少なくとも開口する縦穴と、前記木材本体の上端面及び下端面を除く側面にのみ開口し、前記木材本体の内部に向かい前記縦穴に連通する横穴とを備えているものである。     The wood for combustion according to claim 1 is a columnar wood main body that can be erected, and a vertical hole that passes through the substantial center of the upper end surface of the wood main body toward the inside of the wood main body and opens at least in the upper end surface. And a horizontal hole that opens only on a side surface excluding the upper end surface and the lower end surface of the wood body and communicates with the vertical hole toward the inside of the wood body.

また、請求項２記載の燃焼用木材は、上端面及び下端面が中心から同心円状の年輪を有すると共に、立設可能な柱状の木材と、この木材の年輪の略中心を通って前記木材本体の内部に向かうと共に、前記木材の上端面に少なくとも開口する縦穴と、前記木材の上端面及び下端面を除く側面にのみ開口し、前記木材の内部に向かい前記縦穴に連通する横穴とを備えているものである。     Further, the wood for combustion according to claim 2 has an annual ring having a concentric circular shape from the center at the upper end surface and the lower end surface, and a columnar wood that can be erected, and the wood main body passing through the approximate center of the annual ring of the wood. A vertical hole that opens at least in the upper end surface of the wood, and a horizontal hole that opens only in a side surface excluding the upper end surface and the lower end surface of the wood and communicates with the vertical hole toward the inside of the wood. It is what.

また、請求項３記載の燃焼用木材は、請求項１又は請求項２記載の燃焼用木材において、横穴が複数設けられているものである。     The combustion wood according to claim 3 is the combustion wood according to claim 1 or 2, wherein a plurality of lateral holes are provided.

また、請求項４記載の燃焼用木材は、請求項１又は請求項２記載の燃焼用木材において、上端面に、前記上端面を横断する溝が形成され、前記溝が縦穴の開口部に連通しているものである。     According to a fourth aspect of the present invention, there is provided the combustion wood according to the first or second aspect, wherein a groove that crosses the upper end surface is formed on the upper end surface, and the groove communicates with the opening of the vertical hole. It is what you are doing.

請求項１記載の燃焼用木材によれば、木材本体の縦穴の下側の部位が着火すれば、横穴を介して空気が縦穴に導入され、木材本体の縦穴の上端面の開口から燃焼ガスが排出され、燃焼することができ、しかも、木材本体の縦穴の上端面の開口への空気の供給は横穴を介するため、例えば、該横穴を風の向きに向けたり、遠ざけたり、風の流入面積を減少させる抵抗体を前記横穴に挿入する等により燃焼の強弱をコントロールすることができる。     According to the wood for combustion according to claim 1, if the lower part of the vertical hole of the wood body ignites, air is introduced into the vertical hole through the horizontal hole, and the combustion gas is emitted from the opening at the upper end surface of the vertical hole of the wood body. Since the air supply to the opening of the upper end surface of the vertical hole of the wood body is through the horizontal hole, for example, the horizontal hole is directed toward or away from the wind, and the inflow area of the wind It is possible to control the strength of combustion by inserting a resistor that reduces the amount of gas into the lateral hole.

また、請求項２記載の燃焼用木材によれば、木材本体の縦穴の下側の部位が着火すれば、横穴を介して空気が縦穴に導入され、木材本体の縦穴の上端面の開口から燃焼ガスが排出され、燃焼することができ、しかも、木材本体の縦穴の上端面の開口への空気の供給は横穴を介するため、例えば、該横穴を風の向きに向けたり、遠ざけたり、風の流入面積を減少させる抵抗体を前記横穴に挿入する等により燃焼の強弱をコントロールすることができる。     According to the combustion wood of claim 2, if the lower part of the vertical hole of the wood body ignites, air is introduced into the vertical hole through the horizontal hole and burns from the opening of the upper end surface of the vertical hole of the wood body. Gas can be discharged and combusted, and the supply of air to the opening of the upper end surface of the vertical hole of the wood body is through the horizontal hole.For example, the horizontal hole is directed toward or away from the wind, The strength of combustion can be controlled by inserting a resistor that reduces the inflow area into the lateral hole.

また、請求項３記載の燃焼用木材によれば、横穴が複数設けられているため、複数の横穴の適宜の使用、不使用（例えば、横穴の開口部を塞ぐ）により燃焼状態を多段階に亘って変化させることができる。     Moreover, according to the wood for combustion according to claim 3, since a plurality of horizontal holes are provided, the combustion state is made in multiple stages by appropriately using or not using the plurality of horizontal holes (for example, closing the opening of the horizontal hole). Can be varied over time.

また、請求項４記載の燃焼用木材によれば、燃焼用木材の上端面に容器を載せても、木材の上端面に、前記上端面を横断する溝が形成され、前記溝が縦穴の開口部に連通しているため、縦穴の開口部が容器で塞がれるのを防止することができる。     According to the combustion wood according to claim 4, even if the container is placed on the upper end surface of the combustion wood, a groove is formed on the upper end surface of the wood so as to cross the upper end surface, and the groove is an opening of a vertical hole. Since it communicates with the portion, the opening of the vertical hole can be prevented from being blocked by the container.

図１は、本発明の一実施例の燃焼用木材の概略的斜視図である。FIG. 1 is a schematic perspective view of combustion wood according to an embodiment of the present invention. 図２は、図１の燃焼用木材の一部を破断して示す概略的一部破断斜視図である。FIG. 2 is a schematic partially broken perspective view showing a part of the combustion wood of FIG. 図３は、図２の３−３線による概略的断面図である。3 is a schematic cross-sectional view taken along line 3-3 of FIG. 図４は、図３の４−４線による概略的断面図である。4 is a schematic cross-sectional view taken along line 4-4 of FIG. 図５は、図１の燃焼用木材の燃焼状態を示す概略的斜視図である。FIG. 5 is a schematic perspective view showing a combustion state of the combustion wood of FIG. 図６（ａ）（ｂ）（ｃ）は、図１の燃焼用木材が着火、燃焼する過程を示す概略的断面図である。6 (a), 6 (b), and 6 (c) are schematic cross-sectional views showing a process in which the combustion wood of FIG. 1 is ignited and burned. 図７は、図１の燃焼用木材の燃焼を促進させる手段の一例を示す概略的断面図である。FIG. 7 is a schematic cross-sectional view showing an example of means for promoting combustion of the combustion wood of FIG. 図８（ａ）（ｂ）は、図１の燃焼用木材と異なる他の実施例の燃焼用木材で、該燃焼用木材が着火、燃焼する過程を示す概略的断面図である。FIGS. 8A and 8B are schematic cross-sectional views showing a process in which the combustion wood is ignited and burned in the combustion wood of another embodiment different from the combustion wood of FIG. 図９（ａ）（ｂ）（ｃ）は、図１の燃焼用木材と異なる他の実施例の燃焼用木材を示す概略的斜視図である。9 (a), 9 (b), and 9 (c) are schematic perspective views showing a combustion wood of another embodiment different from the combustion wood of FIG. 図１０（ａ）（ｂ）（ｃ）（ｄ）は、図９と異なる他の実施例の燃焼用木材を示す概略的斜視図である。10 (a), (b), (c), and (d) are schematic perspective views showing a combustion wood of another embodiment different from FIG. 図１１は、図１０と異なる他の実施例の燃焼用木材を示す概略的斜視図である。FIG. 11 is a schematic perspective view showing a combustion wood of another embodiment different from FIG.

本発明の一実施例の燃焼用木材を図面を参照して説明する。
図１乃至図６に示すＷは、例えば、キャンプ等のアウトドアにおけるキャンプファイヤー、調理、局所暖房、非常用トーチ等に便利な燃焼用木材で、燃焼用木材Ｗは、立設可能な柱状の木材本体１を有している。
２は、木材本体１の上端面１Ａの略中心を通って木材本体１の内部に向かうと共に、上端面１Ａに少なくとも開口（開口部位２ａ）する縦穴である。縦穴２は、上端面１Ａと下端面１Ｂとを貫く貫通穴でも良いが、本願発明の縦穴２にあっては、少なくとも上端面１Ａに開口（開口部位２ａ）する縦穴２であれば良い。また、縦穴２の直径の大きさは、使用者において、適宜、決定できるもので、例えば、約２４ｍｍである。
また、３は、木材本体１の上端面１Ａ及び下端面１Ｂを除く側面１Ｃにのみ開口（開口部位３ａ、３ａ’）し、木材本体１の内部に向かい縦穴２に連通する横穴で、横穴３の数は、単数でも複数でも良く、本実施例では、例えば、３個であり（側面１Ｃを貫通する横穴３の両端の開口部位３ａ、３ａと、開口部位３ａより上位に位置する横穴３の開口部位３ａ’）、また、横穴３の直径の大きさも使用者において、適宜、決定できるもので、例えば、直径は、約２４ｍｍである。 A combustion wood according to an embodiment of the present invention will be described with reference to the drawings.
W shown in FIGS. 1 to 6 is wood for combustion that is convenient for campfires, cooking, local heating, emergency torches and the like in the outdoors such as camping, and the wood for combustion W is a columnar wood that can be erected. It has a main body 1.
Reference numeral 2 denotes a vertical hole that passes through substantially the center of the upper end surface 1A of the wood body 1 and goes into the interior of the wood body 1, and at least opens (opens 2a) in the upper end surface 1A. The vertical hole 2 may be a through-hole penetrating the upper end surface 1A and the lower end surface 1B. However, the vertical hole 2 of the present invention may be at least the vertical hole 2 opened to the upper end surface 1A (opening portion 2a). Further, the size of the diameter of the vertical hole 2 can be appropriately determined by the user, and is, for example, about 24 mm.
Reference numeral 3 denotes a horizontal hole that opens only on the side surface 1C excluding the upper end surface 1A and the lower end surface 1B of the wood main body 1 (opening portions 3a, 3a ′) and communicates with the vertical hole 2 toward the inside of the wood main body 1. In this embodiment, for example, there are three (the number of the opening portions 3a and 3a at both ends of the horizontal hole 3 penetrating the side surface 1C and the horizontal hole 3 positioned above the opening portion 3a). The diameter of the opening portion 3a ′) and the diameter of the lateral hole 3 can be appropriately determined by the user. For example, the diameter is about 24 mm.

また、上端面１Ａには、上端面１Ａを横断する溝Ｍ１、Ｍ２が、例えば、クロス状に形成され、溝Ｍ１、Ｍ２は縦穴２の開口部２ａに連通している。
これは、木材本体１の上端面１Ａに容器を載せて使用した場合、縦穴２の開口部２ａが容器で塞がれるのを避けるためである。溝Ｍ１、Ｍ２の数、溝Ｍ１、Ｍ２の深さ等は、使用者の用途等に応じて、適宜、決定されるものである。 Further, in the upper end surface 1A, grooves M1 and M2 crossing the upper end surface 1A are formed in a cross shape, for example, and the grooves M1 and M2 communicate with the opening 2a of the vertical hole 2.
This is to prevent the opening 2a of the vertical hole 2 from being blocked by the container when the container is used on the upper end surface 1A of the wood body 1. The number of the grooves M1 and M2, the depth of the grooves M1 and M2, and the like are appropriately determined according to the user's application and the like.

また、木材本体１は、例えば、檜、杉、ブナ、クヌギ等であり、また、木材本体１は皮を剥がないものでも良いが、望ましくは、皮をはいだ木材が良い。これは、皮の部位が燃えやすいためである。
また、木材本体１の上端面１Ａ及び下端面１Ｂは、望ましくは、中心から同心円状の年輪を有するものが良い（図１参照）。これは、木口面の外側の比較的淡い色の部分より，その内側の着色した（赤っぽい）部分の方に木材のオイルが多く含まれているため、着火と、その後の燃焼が容易なためである。 Further, the wood body 1 is, for example, firewood, cedar, beech, kunugi, and the like. The wood body 1 may be one that does not peel, but preferably wood that has been peeled. This is because the skin part is easy to burn.
Moreover, the upper end surface 1A and the lower end surface 1B of the wood body 1 desirably have concentric annual rings from the center (see FIG. 1). It is easier to ignite and then burn because the oil in the colored (reddish) part of the inner side is more colored than the lighter part on the outer side of the mouth end. Because.

従って、図６（ａ）（ｂ）（ｃ）に示すように、木材本体１の横穴３の開口部位３ａ’から着火材５を挿入して、木材本体１の縦穴２の下側の部位を着火させると、開口部位３ａ、３ａの横穴３を介して空気が縦穴２に導入され、木材本体１の縦穴２の上端面の開口（開口部位２ａ）から燃焼ガスが排出され（図５参照）、木材本体１の内側から外側に向かって燃焼させることができる。
しかも、木材本体１の縦穴２の上端面１Ａの開口（開口部位２ａ）への空気の供給は横穴３を介するため、例えば、該横穴３を風の向きに向けて空気の供給量を増大させて、燃焼を強くすることができる。
また、逆に、燃焼を弱めたい場合には、横穴３を風の向きから遠ざけたり、風の流入面積を減少させる抵抗体を横穴３に挿入して行う。このようにして、木材本体１の燃焼の強弱をコントロールすることができる。
なお、木材本体１の燃焼部は、縦穴２であるため、木材本体１の側面１Ｃを手で持って容易に木材本体１の方向を替えることができる。 Therefore, as shown in FIGS. 6A, 6B and 6C, the ignition material 5 is inserted from the opening portion 3a ′ of the horizontal hole 3 of the wood body 1, and the lower portion of the vertical hole 2 of the wood body 1 is inserted. When ignited, air is introduced into the vertical hole 2 through the horizontal holes 3 of the opening parts 3a and 3a, and combustion gas is discharged from the opening (opening part 2a) of the upper end surface of the vertical hole 2 of the wood body 1 (see FIG. 5). The wood body 1 can be burned from the inside to the outside.
Moreover, since air is supplied to the opening (opening portion 2a) of the upper end surface 1A of the vertical hole 2 of the wood body 1 through the horizontal hole 3, for example, the amount of air supply is increased by directing the horizontal hole 3 in the direction of the wind. Combustion can be strengthened.
Conversely, when it is desired to weaken the combustion, the horizontal hole 3 is moved away from the direction of the wind, or a resistor that reduces the inflow area of the wind is inserted into the horizontal hole 3. In this way, the strength of combustion of the wood body 1 can be controlled.
In addition, since the combustion part of the wood main body 1 is the vertical hole 2, the direction of the wood main body 1 can be easily changed by holding the side surface 1C of the wood main body 1 by hand.

また、図７に示すように、竹筒６を使用して燃焼を促進させるようにしても良いし、また、図８（ａ）（ｂ）に示すように、木材本体１内に容易に燃える着火材７を収納する部位８を設けて着火するようにしても良い。
また、本願発明の木材本体１は、断面形状が円に限らず、四角[図９（ａ）参照］、三角、六角等の多角形[図９（ｂ）（ｃ）参照］でも良いし、また、本願発明の木材本体１の高さは、図１記載のように高さが比較的高い長柱でも良いし、図１０（ａ）（ｂ）（ｃ）（ｄ）に示すように、高さが比較的低い短柱にも同様に適用することができる。 Moreover, as shown in FIG. 7, you may make it accelerate | stimulate combustion using the bamboo cylinder 6, and as shown to FIG. 8 (a) (b), the ignition which burns easily in the wood main body 1 is carried out. A portion 8 for storing the material 7 may be provided to ignite.
Moreover, the cross-sectional shape of the wood body 1 of the present invention is not limited to a circle, but may be a square [see FIG. 9 (a)], a polygon such as a triangle or a hexagon [see FIG. 9 (b) (c)], Further, the height of the wood main body 1 of the present invention may be a long column having a relatively high height as shown in FIG. 1, or as shown in FIGS. 10 (a), (b), (c), and (d), The present invention can be similarly applied to a short column having a relatively low height.

また、上述の実施例の上端面１Ａに溝Ｍ１、Ｍ２を設けたが、本願発明にあっては、これに限らず、図１１に示すように、溝Ｍ１、Ｍ２を設けないものにも同様に適用できるものである。
なお、本件発明者が檜を使った実験結果によれば、木材本体１の直径が約１３ｃｍ、高さが約３７ｃｍ、縦穴２及び横穴３の直径が約２４ｍｍ、横穴３の開口部３ａ’の位置が上端面１Ａまでの長さが約２０ｃｍ、横穴３の開口部３ａの位置が上端面１Ａまでの長さが約２５ｃｍのものを燃し、開口部位２ａから燃焼ガスを排出させて燃焼させた場合、燃焼時間は約３時間程度であった。 Further, the grooves M1 and M2 are provided on the upper end surface 1A of the above-described embodiment. However, the present invention is not limited to this, and the same applies to the case where the grooves M1 and M2 are not provided as shown in FIG. Is applicable.
In addition, according to the experiment result of the present inventor using a cocoon, the diameter of the wood body 1 is about 13 cm, the height is about 37 cm, the diameter of the vertical hole 2 and the horizontal hole 3 is about 24 mm, and the opening 3a ′ of the horizontal hole 3 The fuel is burnt when the position up to the upper end surface 1A is about 20 cm and the position of the opening 3a of the horizontal hole 3 is about 25 cm up to the upper end surface 1A, and the combustion gas is discharged from the opening portion 2a and burned. The combustion time was about 3 hours.

Ｗ 燃焼用木材
１Ａ 上端面
１Ｂ 下端面
１Ｃ 側面
２ 縦穴
３ 横穴 W Wood for combustion 1A Upper end surface 1B Lower end surface 1C Side surface 2 Vertical hole 3 Horizontal hole

Claims (4)

立設可能な柱状の木材本体と、
この木材本体の上端面の略中心を通って前記木材本体の内部に向かうと共に、前記上端面に少なくとも開口する縦穴と、
前記木材本体の上端面及び下端面を除く側面にのみ開口し、前記木材本体の内部に向かい前記縦穴に連通する横穴と、
を備えていることを特徴とする燃焼用木材。 A columnar wood body that can be erected;
A vertical hole that passes through the approximate center of the upper end surface of the wood body toward the inside of the wood body and opens at least in the upper end surface;
A side hole that opens only on the side surface excluding the upper end surface and the lower end surface of the wood body, and communicates with the vertical hole toward the inside of the wood body,
A combustion wood characterized by comprising: 上端面及び下端面が中心から同心円状の年輪を有すると共に、立設可能な柱状の木材と、
この木材の年輪の略中心を通って前記木材本体の内部に向かうと共に、前記木材の上端面に少なくとも開口する縦穴と、
前記木材の上端面及び下端面を除く側面にのみ開口し、前記木材の内部に向かい前記縦穴に連通する横穴と、
を備えていることを特徴とする燃焼用木材。 Columnar wood with upper and lower ends having concentric annual rings from the center, and standing upright,
A vertical hole that passes through the approximate center of the annual ring of this wood and goes into the inside of the wood body, and opens at least in the upper end surface of the wood,
A side hole that opens only on the side surface excluding the upper end surface and the lower end surface of the wood, communicates with the vertical hole toward the inside of the wood, and
A combustion wood characterized by comprising: 横穴が複数設けられている
ことを特徴とする請求項１又は請求項２記載の燃焼用木材。 The wood for combustion according to claim 1 or 2, wherein a plurality of side holes are provided. 上端面に、前記上端面を横断する溝が形成され、前記溝が縦穴の開口部に連通している
ことを特徴とする請求項１又は請求項２記載の燃焼用木材。 The combustion wood according to claim 1, wherein a groove that crosses the upper end surface is formed on the upper end surface, and the groove communicates with an opening of the vertical hole.
JP2009144057A 2009-06-17 2009-06-17 Wood material for combustion Pending JP2011001417A (en)

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JP2013155123A (en) * 2012-01-30 2013-08-15 Naoyoshi Oishi Incense stick
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KR200473459Y1 (en) 2013-04-25 2014-07-04 박춘서 Log burner
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