JP3446749B2 - Knife for cutting inorganic plate - Google Patents
Knife for cutting inorganic plateInfo
- Publication number
- JP3446749B2 JP3446749B2 JP2001151665A JP2001151665A JP3446749B2 JP 3446749 B2 JP3446749 B2 JP 3446749B2 JP 2001151665 A JP2001151665 A JP 2001151665A JP 2001151665 A JP2001151665 A JP 2001151665A JP 3446749 B2 JP3446749 B2 JP 3446749B2
- Authority
- JP
- Japan
- Prior art keywords
- cutting
- inorganic
- blade
- plate
- original plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Description
【０００１】[0001]
【発明の属する技術分野】この出願の発明は、無機質原
板切断用刃物に関するものである。さらに詳しくは、こ
の出願の発明は、成形された建築用無機質原板の表面部
に模様付けのためのプレス成形と同時に商品サイズに切
断する際に、プレス成形によりしみ出る余剰水分を無機
質原板から逃がし、切れなどの損傷が生じることなく、
また、平滑な切断面が得られる無機質原板切断用刃物に
関するものである。TECHNICAL FIELD The invention of this application relates to a blade for cutting an inorganic original plate. More specifically, the invention of this application is to release excess water exuded by press molding from the inorganic original plate when cutting into a product size simultaneously with press molding for patterning on the surface portion of the molded inorganic original plate. , Without damage such as cutting,
Further, the present invention relates to a cutting tool for cutting an inorganic original plate which can obtain a smooth cut surface.
【０００２】[0002]
【従来の技術】住宅などの建物の壁材、瓦、天井材など
として、セメント系などの無機質板が広く用いられてい
る。この建築用無機質板は、一般に、所定組成物と水と
の混練原料から抄造、押出などにより板状に作製された
後、この原板の表面部に模様付けが行われ、商品サイズ
への切断、さらに、養生、塗装などの各工程を経て商品
として生産される。2. Description of the Related Art Cement-based inorganic boards are widely used as wall materials, roof tiles and ceiling materials for buildings such as houses. This architectural inorganic board is generally formed from a kneading raw material of a predetermined composition and water into a plate shape by papermaking, extrusion, etc., and then the surface portion of this original plate is patterned, and cut into product sizes, Further, it is manufactured as a product through each process such as curing and painting.
【０００３】このような建築用無機質板については、た
とえば瓦については、幅１m、長さ0.5m、厚み５〜20mm
程度のサイズを有するものが生産されているが、その生
産時には、抄造、押出などにより板状の無機質原板が、
上記商品サイズよりやや大きめに作製された後、表面部
への模様付けのためのプレス成形と同時に、無機質原板
から商品部分を切断している。Regarding such an inorganic board for construction, for example, for a roof tile, the width is 1 m, the length is 0.5 m, and the thickness is 5 to 20 mm.
Although a thing having a size of about 3 is produced, at the time of the production, a plate-like inorganic original plate is produced by papermaking, extrusion, etc.
After being manufactured to be slightly larger than the product size, the product part is cut from the inorganic original plate at the same time as the press molding for patterning the surface part.
【０００４】図４は、そのプレス成形及び切断について
概略的に示した要部工程断面図である。無機質原板
（１）の模様付け及び商品サイズへの切断には、この図
４に示したようなプレス成形機（２）が使用される。無
機質原板（１）は、プレス成形機（２）の基部（３）上
に配置された脱水盤（４）上に、フェルトなどのろ布
（５）を介して配置される。プレス成形機（２）のプレ
ス部（６）の下面には、所望の表面模様に対応する柄面
を下面に有する模様型（７）が配設されるとともに、そ
の左右両端に隣接して刃物（８）が配設される。FIG. 4 is a sectional view showing the main process steps schematically showing the press forming and cutting. A press molding machine (2) as shown in FIG. 4 is used for patterning the inorganic original plate (1) and cutting it into a product size. The inorganic original plate (1) is placed on a dehydrator (4) placed on the base (3) of the press molding machine (2) via a filter cloth (5) such as felt. A pattern die (7) having a pattern surface corresponding to a desired surface pattern on the lower surface is arranged on the lower surface of the press part (6) of the press molding machine (2), and the blades are adjacent to the left and right ends thereof. (8) is provided.
【０００５】プレス部（６）は、エアー、油圧などのシ
リンダーにより上下方向に移動可能となっており、無機
質原板（１）の表面模様付け及び商品サイズへの切断に
際しては、プレス部（６）が所定距離下降し、模様型
（７）を無機質原板（１）の表面部にプレスし、刃物
（８）を無機質原板（１）の上面から下面まで突き入れ
る。この後、プレス部（６）を上昇させると、無機質原
板（１）は、表面部に所望の凹凸模様が形成され、ま
た、商品サイズに切断されている。The press section (6) can be moved in the vertical direction by a cylinder of air, hydraulic pressure, etc. When the surface of the inorganic raw plate (1) is patterned and cut into product sizes, the press section (6) is used. Moves for a predetermined distance, presses the pattern die (7) on the surface of the inorganic original plate (1), and inserts the cutting tool (8) from the upper surface to the lower surface of the inorganic original plate (1). After that, when the press part (6) is lifted up, the inorganic original plate (1) has a desired uneven pattern formed on the surface part and is cut into a product size.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら、このよ
うな無機質原板（１）の表面模様付けとこれと同時の切
断には、工程の簡略化、作業効率の向上などの利点があ
るが、決して問題が全くないわけではない。たとえば、
無機質原板（１）に切れなどの損傷や切断面に平滑性を
欠くことがまま発生することがある。However, the surface patterning of the inorganic original plate (1) and the simultaneous cutting thereof have advantages such as simplification of the process and improvement of working efficiency, but never a problem. There is not nothing at all. For example,
The inorganic raw plate (1) may sometimes be damaged such as cut, or the cut surface may lack smoothness.
【０００７】この出願の発明は、以上の通りの事情に鑑
みてなされたものであり、プレス成形及びこれと同時の
切断時に生ずる無機質原板のそのような切れなどの損傷
を防止し、切断面の平滑性を良好とすることを解決すべ
き課題としている。The invention of this application has been made in view of the above-mentioned circumstances, and prevents damage such as breakage of the inorganic raw plate that occurs during press molding and cutting at the same time, and prevents the cut surface from being cut. Making the smoothness good is a problem to be solved.
【０００８】[0008]
【課題を解決するための手段】この出願の発明の発明者
らは、その課題の解決のために、無機質原板に生じる切
れなどの損傷及び切断面の非平滑性について考察を加え
たところ、その原因が、プレス成形にともなって無機質
原板からしみ出る余剰水分にあり、この余剰水分が表面
模様付けの成形性を妨げ、切れなどの発生を助長し、ま
た、切断面の平滑性に多大な影響を及ぼすことを突き止
めた。この出願の発明の無機質原板切断用刃物は、以上
の技術知見に基づいて完成されたものである。Means for Solving the Problems In order to solve the problem, the inventors of the present invention considered damages such as breakage and the non-smoothness of the cut surface in the inorganic raw plate, and found that The cause is excess water that exudes from the inorganic raw plate during press forming.This excess water hinders the formability of surface patterning and promotes the occurrence of breaks, and also has a great influence on the smoothness of the cut surface. I have found that The blade for cutting an inorganic original plate of the invention of this application has been completed based on the above technical knowledge.
【０００９】すなわち、この出願の発明は、成形された
建築用無機質原板をその表面部にプレス成形により模様
付けすると同時に商品サイズに切断する際に用いられる
無機質原板切断用刃物であり、対向する２側面間を貫通
する水抜き穴が形成されていることを特徴とする無機質
原板切断用刃物（請求項１）を提供する。That is, the invention of this application is a blade for cutting an inorganic raw material plate, which is used when the molded inorganic raw material plate is patterned on its surface portion by press molding and cut into a product size at the same time. There is provided a blade for cutting an inorganic raw material plate (claim 1), characterized in that a drainage hole penetrating between the side surfaces is formed.
【００１０】この出願の発明は、請求項１に係る発明に
関し、切断品の切断面を形成しない刃先から刃元までの
側面の断面形状が直線状でなく、刃元角が刃先角よりも
大きいこと（請求項２）を一態様として提供する。The invention of this application relates to the invention according to claim 1, wherein the cross-sectional shape of the side surface from the cutting edge to the cutting edge that does not form the cutting surface of the cut product is not linear and the cutting edge angle is larger than the cutting edge angle. That (claim 2) is provided as one aspect.
【００１１】また、この出願の発明は、請求項１又は２
に係る発明に関し、刃先に抜き角を有すること（請求項
３）を一態様として提供する。以下、図面に沿ってこの
出願の発明の無機質原板切断用刃物についてさらに詳し
く説明する。The invention of this application is defined by claim 1 or 2.
With regard to the invention according to (3), it is provided that the cutting edge has a draft angle (claim 3) as one aspect. Hereinafter, the blade for cutting an inorganic material plate of the invention of the present application will be described in more detail with reference to the drawings.
【００１２】[0012]
【発明の実施の形態】図１は、この出願の発明の無機質
原板切断用刃物の一実施形態を示した断面図である。FIG. 1 is a sectional view showing an embodiment of a cutting tool for cutting an inorganic material plate according to the invention of this application.
【００１３】この出願の発明の無機質原板切断用刃物
は、前述の通りの壁材、瓦、天井材などを製造する際
に、たとえばセメントなどの所定組成物と水との混練原
料から抄造、押出などにより板状に成形された建築用の
無機質原板（１）を、その表面部にプレス成形により模
様付けすると同時に商品サイズに切断する際に用いられ
る刃物（８）である。そして、その最大の特徴は、図１
に示したように、対向する２側面（９ａ）（９ｂ）間を
貫通する水抜き穴（１０）が形成されていることにあ
る。The blade for cutting an inorganic raw plate according to the invention of this application is used for producing a wall material, a roof tile, a ceiling material, etc. as described above, from a kneading raw material of a predetermined composition such as cement and water, and extrusion. A blade (8) used when a construction-made inorganic raw plate (1) formed into a plate shape by a method such as the above is patterned on its surface by press molding and cut into a product size at the same time. And the biggest feature is that
As shown in FIG. 5, the drainage hole (10) is formed so as to penetrate between the two opposite side surfaces (9a) (9b).
【００１４】前述の通り、プレス成形及びこれと同時の
切断時に無機質原板（１）に生ずる切れなどの損傷及び
切断面の非平滑性の原因は、プレス成形にともなって無
機質原板（１）からしみ出る余剰水分にある。そこで、
この出願の発明の無機質原板切断用刃物では、前記の通
り、２側面（９ａ）（９ｂ）間を貫通する水抜き穴（１
０）を設け、この水抜き穴（１０）からそのように無機
質原板（１）からしみ出る余剰水分を無機質原板（１）
の外部へ逃がし、プレス成形の成形性を高め、明りょう
な凹凸模様を無機質原板（１）の表面部に切れなどの損
傷が生じることなく形成するとともに、切断性をも高
め、無機質原板（１）の切断面を平滑にする。As described above, the cause of the damage such as breakage and the non-smoothness of the cut surface which occur in the inorganic raw material plate (1) during the press molding and the cutting at the same time, and the cause of the non-smoothness of the cut surface, are caused by the inorganic raw material plate (1) during the press molding. There is excess water that comes out. Therefore,
In the blade for cutting an inorganic material plate of the invention of this application, as described above, the drainage hole (1) penetrating between the two side surfaces (9a) and (9b) is
0) is provided, and excess water exuding from the inorganic original plate (1) through the water draining hole (10) is removed from the inorganic original plate (1).
Of the inorganic base plate (1) to form a clear concave-convex pattern without causing damage such as cuts on the surface of the inorganic base plate (1), and to improve the moldability of press molding. ) Make the cut surface smooth.
【００１５】水抜き穴（１０）の内径については、余剰
水分のみが通過可能であり、プレス成形にともなって流
動する固形分が侵入し、詰まることのない程度の大きさ
が好ましい。たとえば、0.3〜0.8mm程度が例示される
が、特に制限はない。仮に固形分により目詰まりが発生
したとしても洗浄により容易に除去可能であれば、やや
手間がかかることは否めないが、水抜き穴（１０）の内
径の一候補にはなり得る。The inner diameter of the water drain hole (10) is preferably such that only excess water can pass through and the solid content that flows during press molding does not enter and is not clogged. For example, about 0.3 to 0.8 mm is exemplified, but there is no particular limitation. If clogging caused by solids can be easily removed by washing even if clogging occurs, it will take some work, but it can be a candidate for the inner diameter of the drain hole (10).
【００１６】実際に、水抜き穴（１０）の内径を0.5mm
程度とし、刃先角（Θ1）を22°、抜き角（Θ2）を５°
とした刃先（８ａ）が７mmの刃物（８）を、図２に示し
たプレス成形機（２）の図４にも示した所定位置に配設
し、無機質原板（１）の表面模様付け及びこれと同時の
切断を行った。Actually, the inner diameter of the drain hole (10) is 0.5 mm.
The cutting edge angle (Θ 1 ) is 22 ° and the draft angle (Θ 2 ) is 5 °.
The blade (8) having a blade edge (8a) of 7 mm is arranged at the predetermined position shown in FIG. 4 of the press molding machine (2) shown in FIG. Simultaneous cutting was performed.
【００１７】すなわち、無機質原板（１）を、プレス成
形機（２）の基部（３）上に配置された脱水盤（４）上
に、フェルトなどのろ布（５）を介して配置し、一方、
プレス成形機（２）のプレス部（６）の下面に、所望の
表面模様に対応する柄面を下面に有する模様型（７）
と、その左右両端に隣接して刃物（８）を配設した。そ
して、エアー、油圧などのシリンダー（１１）を作動さ
せ、プレス部（６）を所定距離下降させ、無機質原板
（１）の表面模様付け及び商品サイズへの同時切断を行
った。That is, the inorganic original plate (1) is placed on a dehydration plate (4) placed on the base (3) of the press molding machine (2) via a filter cloth (5) such as felt, on the other hand,
A pattern mold (7) having a pattern surface corresponding to a desired surface pattern on the lower surface of the press section (6) of the press molding machine (2).
A blade (8) was arranged adjacent to the left and right ends of the blade. Then, the cylinder (11) such as air and hydraulic pressure was operated, and the press part (6) was lowered by a predetermined distance to perform surface patterning of the inorganic raw plate (1) and simultaneous cutting into product size.
【００１８】プレス成形にともなって無機質原板（１）
からは余剰水分（１２）がしみ出るが、この余剰水分
（１２）は、図２図中に拡大して示したように、水抜き
穴（１０）を通って無機質原板（１）にあらかじめ設け
られた捨て代部（１ａ）へ逃げ、その結果、無機質原板
（１）の表面部には、模様型（７）の下面の柄面に対応
した明りょうな凹凸模様が形成されるとともに、平滑な
切断面が形成された。余剰水分（１２）が捨て代部（１
ａ）へ逃げるという現象は、捨て代部（１ａ）は、最終
製品としては残らない部分であり、プレス量が、あらか
じめ商品部分よりも小さいか、若しくはほとんどないこ
とに起因していると推測される。Inorganic original plate (1) accompanying press molding
Excess water (12) exudes from the water, but as shown in the enlarged view of FIG. 2, the excess water (12) is provided in advance on the inorganic raw material plate (1) through the water drain hole (10). Escape to the discarded part (1a), and as a result, a clear uneven pattern corresponding to the pattern surface of the lower surface of the pattern mold (7) is formed on the surface of the inorganic original plate (1), and the surface is smooth. A smooth cut surface was formed. Excess water (12) is discarded (1)
It is speculated that the phenomenon of escaping to a) is caused by the fact that the discard margin (1a) is a portion that does not remain as the final product, and the press amount is smaller than the product portion in advance, or almost none. It
【００１９】この試験に使用した無機質原板（１）は、
セメント、パルプ、及び珪石粉を主な組成物とし、含水
率30％とした。プレス成形及びこれと同時切断後の無機
質原板（１）の含水率は20％であった。The inorganic raw plate (1) used in this test is
The main composition was cement, pulp, and silica powder, and the water content was 30%. The water content of the inorganic base plate (1) after press molding and simultaneous cutting with it was 20%.
【００２０】また、以上の試験は、無機質原板（１）の
板厚を換えても行った。その結果からは、刃物（８）に
おける水抜き穴（１０）の位置は、プレス成形性及び切
断性にほとんど影響しないことが確認された。図１に示
した模様型（７）との接点から水抜き穴（１０）までの
距離（ｄ）は、４mm程度で十分な効果が得られた。The above test was also carried out by changing the plate thickness of the inorganic original plate (1). From the result, it was confirmed that the position of the water drain hole (10) in the blade (8) had almost no influence on the press formability and the cuttability. A sufficient effect was obtained when the distance (d) from the contact point with the pattern type (7) shown in FIG. 1 to the drain hole (10) was about 4 mm.
【００２１】なお、前述の抜き角（Θ2）は、切断後に
刃物（８）を無機質原板（１）から、図２に示したプレ
ス部（６）の上昇にともなわせて抜き取るときに、刃物
（８）が無機質原板（１）から容易に抜け、また、無機
質原板（１）の切断面を損傷しないための工夫である。
その大きさについては特に制限はないが、あまり大きく
なりすぎると、切断時に刃先（８ａ）が突き入れにくく
なり、切断性に悪影響を及ぼしかねないので留意する。Incidentally, the above-mentioned draft angle (Θ 2 ) is determined when the blade (8) is removed from the inorganic original plate (1) after cutting along with the upward movement of the press section (6) shown in FIG. This is a device for easily removing (8) from the inorganic original plate (1) and damaging the cut surface of the inorganic original plate (1).
The size is not particularly limited, but if it is too large, the cutting edge (8a) will be difficult to penetrate during cutting, which may adversely affect the cuttability.
【００２２】また、無機質原板（１）の切断性を考慮す
るならば、刃物（８）は、無機質原板（１）に対する抵
抗が極力小さいことが好ましく、たとえば、刃先角（Θ
1）は小さければ小さいほどよいと考えられる。しかし
ながら、この出願の発明の無機質原板切断用刃物には、
前述の通りの水抜き穴（１０）が形成されているため、
刃先角（Θ1）を余り小さくすると、刃物（８）として
の強度が低下する可能性がある。In consideration of the cuttability of the inorganic original plate (1), it is preferable that the blade (8) has a resistance to the inorganic original plate (1) as small as possible.
The smaller 1 ) is, the better. However, the blade for cutting an inorganic original plate of the invention of this application,
Since the drain hole (10) is formed as described above,
If the cutting edge angle (Θ 1 ) is too small, the strength of the cutting tool (8) may decrease.
【００２３】そこで、この出願の発明の無機質原板切断
用刃物においては、図３に示したように、切断品の切断
面を形成しない刃先（８ａ）から刃元（８ｂ）までの側
面（９ａ）の断面形状を直線状とせず、刃元角（Θ3）
を刃先角（Θ1）より大きくし、刃物（８）の強度を確
保することができる。図３に示した刃物（８）では、側
面（９ａ）の断面形状は折れ線状となっているが、特に
これに限定されることはなく、曲線状などとすることも
可能である。刃元角（Θ3）の大きさについても特に制
限はなく、たとえば、前述の刃先角（Θ1）が22°の場
合、刃元角（Θ3）は、25°程度を目安とすることがで
きる。刃先角（Θ1）は、たとえば、無機質原板（１）
の硬さにより適宜設定することができるため、刃元角
（Θ3）は、そのときの刃先角（Θ1）や水抜き穴（１
０）の内径の大きさなどを考慮し、刃物（８）が十分な
強度を有するように、最適設定することができる。こう
して、良好な切断性と強度を兼ね備えた無機質原板切断
用刃物が実現される。Therefore, in the blade for cutting an inorganic material plate of the invention of this application, as shown in FIG. 3, the side surface (9a) from the cutting edge (8a) to the cutting edge (8b) which does not form the cutting surface of the cut product. Angle of blade (Θ 3 )
Can be made larger than the blade edge angle (Θ 1 ) to secure the strength of the blade (8). In the cutting tool (8) shown in FIG. 3, the cross-sectional shape of the side surface (9a) is a polygonal line shape, but the shape is not particularly limited to this and may be a curved shape or the like. There is no particular limitation on the size of the blade angle (Θ 3 ), for example, when the above-mentioned blade edge angle (Θ 1 ) is 22 °, the blade angle (θ 3 ) should be about 25 ° as a guide. You can The cutting edge angle (Θ 1 ) is, for example, the inorganic original plate (1).
Since it can be set appropriately depending on the hardness of the blade edge angle (Θ 3 ), the blade edge angle (Θ 1 ) at that time and the drainage hole (1
In consideration of the size of the inner diameter of 0), the blade (8) can be optimally set so as to have sufficient strength. In this way, a blade for cutting an inorganic material plate having both good cutting performance and strength is realized.
【００２４】もちろん、この出願の発明は、以上の実施
形態によって限定されるものではない。刃物の形状及び
材質をはじめ、水抜き穴の内径や、刃先、刃先角、刃元
角、及び抜き角の大きさ、無機質原板を形成する組成物
及び含水率などの細部については様々な態様が可能であ
ることはいうまでもない。Of course, the invention of this application is not limited to the above embodiments. In addition to the shape and material of the blade, the inner diameter of the drainage hole, the blade edge, the blade angle, the blade angle, and the size of the blade angle, various aspects of details such as the composition and water content for forming the inorganic raw plate, It goes without saying that it is possible.
【００２５】[0025]
【発明の効果】以上詳しく説明した通り、この出願の発
明によって、成形された建築用無機質原板の表面部に模
様付けのためのプレス成形と同時に商品サイズに切断す
る際に、プレス成形によりしみ出る余剰水分を無機質原
板から逃がすことができ、切れなどの損傷が生じず、平
滑な切断面を得ることができる。As described above in detail, according to the invention of this application, when the surface portion of the molded inorganic raw material plate is press-formed for patterning and simultaneously cut into a product size, it exudes by press-forming. Excess water can be released from the inorganic original plate, and damage such as breakage does not occur and a smooth cut surface can be obtained.
【図１】この出願の発明の無機質原板切断用刃物の一実
施形態を示した断面図である。FIG. 1 is a cross-sectional view showing an embodiment of a blade for cutting an inorganic material plate of the invention of this application.
【図２】図１に示した無機質原板切断用刃物を用いた無
機質原板のプレス成形及びこれと同時の切断を示した工
程断面図であるFIG. 2 is a process cross-sectional view showing press-molding of an inorganic original plate using the inorganic original plate cutting blade shown in FIG. 1 and simultaneous cutting thereof.
【図３】この出願の発明の無機質原板切断用刃物の一実
施形態を示した断面図である。FIG. 3 is a cross-sectional view showing an embodiment of a blade for cutting an inorganic material plate of the invention of this application.
【図４】無機質原板のプレス成形及び切断について概略
的に示した要部工程断面図である。FIG. 4 is a process cross-sectional view of a main part schematically showing press molding and cutting of an inorganic original plate.
１ 無機質原板 １ａ 捨て代部 ２ プレス成形機 ３ 基部 ４ 脱水盤 ５ ろ布 ６ プレス部 ７ 模様型 ８ 刃物 ８ａ 刃先 ８ｂ 刃元 ９ａ、９ｂ 側面 １０ 水抜き穴 １１ シリンダー １２ 余剰水分 1 Inorganic original plate 1a Throw-away part 2 Press molding machine 3 base 4 dehydrator 5 filter cloth 6 Press Department 7 pattern type 8 cutlery 8a cutting edge 8b blade base 9a, 9b side surfaces 10 drainage holes 11 cylinders 12 excess water
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平６−238637（ＪＰ，Ａ) 特開 昭55−137909（ＪＰ，Ａ) 特開 平11−207716（ＪＰ，Ａ) 特開 平１−297211（ＪＰ，Ａ) 実開 平４−89688（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) B28B 1/00 - 23/22 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-6-238637 (JP, A) JP-A-55-137909 (JP, A) JP-A-11-207716 (JP, A) JP-A-1- 297211 (JP, A) Actual Kaihei 4-89688 (JP, U) (58) Fields surveyed (Int.Cl. 7 , DB name) B28B 1 / 00-23 / 22
Claims (3)
部にプレス成形により模様付けすると同時に商品サイズ
に切断する際に用いられる無機質原板切断用刃物であ
り、対向する２側面間を貫通する水抜き穴が形成されて
いることを特徴とする無機質原板切断用刃物。1. A blade for cutting an inorganic raw plate used for patterning the surface of a molded inorganic raw plate by press molding and simultaneously cutting it into a product size. Water penetrating between two opposing side surfaces. A blade for cutting an inorganic material plate, which has a hole formed therein.
元までの側面の断面形状が直線状でなく、刃元角が刃先
角よりも大きい請求項１記載の無機質原板切断用刃物。2. The blade for cutting an inorganic raw material plate according to claim 1, wherein the cross-sectional shape of the side surface from the blade edge to the blade edge that does not form the cut surface of the cut product is not linear and the blade edge angle is larger than the blade edge angle.
載の無機質原板切断用刃物。3. The cutting tool for cutting an inorganic original plate according to claim 1, wherein the cutting edge has a draft angle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001151665A JP3446749B2 (en) | 2001-05-21 | 2001-05-21 | Knife for cutting inorganic plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001151665A JP3446749B2 (en) | 2001-05-21 | 2001-05-21 | Knife for cutting inorganic plate |
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| Publication Number | Publication Date |
|---|---|
| JP2002337128A JP2002337128A (en) | 2002-11-27 |
| JP3446749B2 true JP3446749B2 (en) | 2003-09-16 |
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ID=18996464
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|---|---|---|---|
| JP2001151665A Expired - Lifetime JP3446749B2 (en) | 2001-05-21 | 2001-05-21 | Knife for cutting inorganic plate |
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| Country | Link |
|---|---|
| JP (1) | JP3446749B2 (en) |
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| JP2002337128A (en) | 2002-11-27 |
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