JPH0722885B2 - Cutting tool and method of manufacturing the same - Google Patents
Cutting tool and method of manufacturing the sameInfo
- Publication number
- JPH0722885B2 JPH0722885B2 JP19218287A JP19218287A JPH0722885B2 JP H0722885 B2 JPH0722885 B2 JP H0722885B2 JP 19218287 A JP19218287 A JP 19218287A JP 19218287 A JP19218287 A JP 19218287A JP H0722885 B2 JPH0722885 B2 JP H0722885B2
- Authority
- JP
- Japan
- Prior art keywords
- cutting
- cutting tool
- linear member
- wire rope
- cylindrical body
- 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
Links
- 238000005520 cutting process Methods 0.000 title claims description 93
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229910003460 diamond Inorganic materials 0.000 claims description 5
- 239000010432 diamond Substances 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 239000011135 tin Substances 0.000 claims description 3
- 229910052718 tin Inorganic materials 0.000 claims description 3
- 229910001369 Brass Inorganic materials 0.000 claims description 2
- 239000010951 brass Substances 0.000 claims description 2
- 238000002788 crimping Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 1
- 239000011230 binding agent Substances 0.000 description 5
- 238000005219 brazing Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000006061 abrasive grain Substances 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Landscapes
- Polishing Bodies And Polishing Tools (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） この発明は切削具およびその製造方法に関し、特に、た
とえばダイヤモンドワイヤソーのようなワイヤロープな
どに硬質の超砥粒を含む焼結体からなる切削体を複数個
取り付けた、切削具およびその製造方法に関する。Description: TECHNICAL FIELD The present invention relates to a cutting tool and a method for manufacturing the same, and in particular, a cutting method comprising a sintered body containing hard superabrasive grains in a wire rope such as a diamond wire saw. The present invention relates to a cutting tool having a plurality of attached bodies and a method for manufacturing the cutting tool.
（従来技術） 第４図はこの発明の背景となる従来の切削具の一実施例
を示す斜視図である。この切削具１では、ワイヤロープ
などの線状部材２に切削用の切削体３が複数個取り付け
られている。この切削体３は、超砥粒および結合剤など
を含む圧粉体を筒状に成形し焼結することによって形成
される。そして、線状部材２と切削体３とは、たとえば
はんだ付けやろう付けなどによって固着される。また、
別の方法として、切削体３の長手方向にスリットを形成
し、これをかしめることによって切削体３が線状部材２
に固着される。(Prior Art) FIG. 4 is a perspective view showing an embodiment of a conventional cutting tool which is the background of the present invention. In this cutting tool 1, a plurality of cutting bodies 3 for cutting are attached to a linear member 2 such as a wire rope. The cutting body 3 is formed by forming a green compact containing super-abrasive grains and a binder into a cylindrical shape and sintering it. Then, the linear member 2 and the cutting body 3 are fixed to each other by, for example, soldering or brazing. Also,
As another method, a slit is formed in the longitudinal direction of the cutting body 3 and the slits are caulked, so that the cutting body 3 becomes a linear member 2.
Stuck to.
この切削具１は、たとえば線状部材２をリング状に形成
して回転させられる。そして、回転する切削具１に被切
削物を当てることにより、切削体３によって被切削物が
切削される。In this cutting tool 1, for example, the linear member 2 is formed in a ring shape and rotated. Then, the object to be cut is cut by the cutting body 3 by applying the object to be cut to the rotating cutting tool 1.
（発明が解決しようとする問題点） しかしながら、このような従来の切削具では、はんだや
ろうなどの固着用金属が切削体の空孔やワイヤロープの
間隙に入り込んでしまう。そのため、ワイヤロープと切
削体との接合強度が弱くなる。さらに、固着用金属が空
孔に入り込むことによって切削体の金属組成が変わるた
め、切削具の切れ味が悪くなる。また、固着用金属がワ
イヤロープの間隙に入り込むことによってその部分のワ
イヤロープが硬化する。そのため、切削具を回転させる
時、ワイヤロープがその硬化した部分と硬化していない
部分との境界部分で破断するおそれがある。(Problems to be Solved by the Invention) However, in such a conventional cutting tool, a fixing metal such as solder or brazing enters into a hole of a cutting body or a gap of a wire rope. Therefore, the bonding strength between the wire rope and the cutting body becomes weak. Further, the metal composition of the cutting body changes due to the fixing metal entering into the holes, so that the sharpness of the cutting tool becomes poor. Further, the fixing metal enters the gap between the wire ropes, so that the wire rope in that portion is hardened. Therefore, when the cutting tool is rotated, the wire rope may break at the boundary between the hardened portion and the non-hardened portion.
また、切削体にスリットを形成し、これをかしめること
によって切削体を線状部材に固着するとき、切削体が割
れる場合があった。Further, when a slit is formed in the cut body and the cut body is fixed to the linear member by caulking the slit, the cut body sometimes breaks.
それゆえに、この発明の主たる目的は、ワイヤロープな
どの線状部材と切削体との接合強度が大きく、その切れ
味が劣化せず、かつワイヤロープなどの線状部材や切削
体が破損しにくい、切削具を提供することである。Therefore, the main object of the present invention is that the joining strength between the linear member such as the wire rope and the cutting body is large, the sharpness is not deteriorated, and the linear member such as the wire rope or the cutting body is less likely to be damaged. It is to provide a cutting tool.
この発明の他の目的は、ワイヤロープなどの線状部材と
切削体との接合強度が大きく、その切れ味が劣化せず、
かつワイヤロープなどの線状部材や切削体が破損しにく
い、切削具の製造方法を提供することである。Another object of the present invention is that the joining strength between a linear member such as a wire rope and a cutting body is large, and the sharpness thereof is not deteriorated,
Moreover, it is to provide a method for manufacturing a cutting tool in which a linear member such as a wire rope or a cutting body is less likely to be damaged.
（問題点を解決するための手段） 第１の発明は、線状部材と、線状部材にかしめることに
よって固着されその長手方向に切目の形成された金属製
の筒体と筒体の外周面に形成され、筒体の切目に対応す
る位置に別の切目が形成された超砥粒を含む焼結体から
なる切削体とを有する切削具である。(Means for Solving Problems) A first aspect of the present invention is directed to a linear member, a metal tubular body fixed to the linear member by caulking, and having a notch formed in its longitudinal direction, and an outer circumference of the tubular body. A cutting tool comprising a sintered body formed on a surface thereof and having a different cut line at a position corresponding to a cut line of a cylindrical body, the cut body including a sintered body containing superabrasive grains.
第２の発明は、金属製の筒体を準備する工程と、筒体の
外周面に超砥粒を含む圧粉体を成形する工程と、圧粉体
を焼結することによって筒体の外周面に切削体を形成す
る工程と、筒体および切削体の長手方向にスリットを形
成する工程と、スリットの形成された筒体に線状部材を
挿通する工程と、筒体および切削体をかしめることによ
って線状部材に筒体および切削体を固着する工程とを含
む、切削具の製造方法である。A second invention is to provide a step of preparing a metal cylindrical body, a step of forming a green compact containing superabrasive grains on an outer peripheral surface of the cylindrical body, and an outer periphery of the cylindrical body by sintering the green compact. Forming a cutting body on the surface, forming a slit in the longitudinal direction of the cylindrical body and the cutting body, inserting a linear member into the cylindrical body in which the slit is formed, and inserting the cylindrical body and the cutting body. And a step of fixing the tubular body and the cutting body to the linear member by squeezing.
（作用） 筒体および切削体をかしめることにより、筒体および切
削体と線状部材とが固着される。(Operation) By caulking the tubular body and the cutting body, the tubular body and the cutting body are fixed to the linear member.
（発明の効果） この発明によれば、筒体および切削体がかしめることに
よりワイヤロープなどの線状部材に固着されるため、固
着用金属による接合強度の劣化が起こらない。そのた
め、線状部材と切削体とが外れにくくなる。さらに、固
着用金属によって切削体の金属組成が変わらないため、
切削具の切れ味が劣化しない。また、はんだやろうなど
の固着用金属を使用しないため、ワイヤロープが硬化せ
ず、そのためワイヤロープが破断しにくくなる。そのう
え、筒体および切削体をかしめるとき、筒体があること
によって切削体が破損しにくい。(Effect of the Invention) According to the present invention, since the tubular body and the cutting body are fixed to the linear member such as the wire rope by caulking, deterioration of the bonding strength due to the fixing metal does not occur. Therefore, it becomes difficult for the linear member and the cutting body to come off from each other. Furthermore, because the metal composition of the cutting body does not change depending on the fixing metal
The sharpness of the cutting tool does not deteriorate. In addition, since the fixing metal such as solder or brazing is not used, the wire rope is not hardened, which makes it difficult for the wire rope to break. Moreover, when the tubular body and the cutting body are caulked, the cutting body is less likely to be damaged due to the presence of the tubular body.
この発明の上述の目的，その他の目的，特徴および利点
は、図面を参照して行う以下の実施例の詳細な説明から
一層明らかとなろう。The above-mentioned objects, other objects, features and advantages of the present invention will become more apparent from the following detailed description of the embodiments with reference to the drawings.
（実施例） 第１図はこの発明の一実施例を示す斜視図である。この
切削具10は、線状部材としてのワイヤロープ12を含む。
このワイヤロープ12は、たとえばステンレスなどで形成
されたワイヤを縒り合わせることによって形成される。
このワイヤロープ12は、たとえば直径6mmの大きさに形
成される。このワイヤロープ12には、切削用の切削片1
4,14,…が取り付けられる。これらの切削片14,14,…
は、たとえば20mmの間隔を隔てて取り付けられ、全体的
には数珠状に形成される。この切削片14は、第２図に示
すように筒体16を含む。この筒体16は、たとえば銅，
鉄，ステンレス鋼および真鍮などの金属によって円筒状
に形成される。この筒体16は、その長手方向に切目16a
が形成される。(Embodiment) FIG. 1 is a perspective view showing an embodiment of the present invention. The cutting tool 10 includes a wire rope 12 as a linear member.
This wire rope 12 is formed by twisting together wires made of stainless steel or the like.
The wire rope 12 is formed to have a diameter of 6 mm, for example. This wire rope 12 has a cutting piece 1 for cutting
4,14, ... can be attached. These cutting pieces 14,14,…
Are attached at intervals of, for example, 20 mm, and are formed in a beaded shape as a whole. The cutting piece 14 includes a cylindrical body 16 as shown in FIG. This cylindrical body 16 is made of, for example, copper,
It is formed into a cylindrical shape by metal such as iron, stainless steel and brass. This cylindrical body 16 has a cut 16a in its longitudinal direction.
Is formed.
筒体16の外周面には、切削体18が形成される。この切削
体18は、たとえば直径10mmの大きさに形成される。この
切削体18は、たとえばダイヤモンド微粉粒などの超砥粒
と結合剤としての銅，鉄，錫などの金属粉体などで形成
される。そして、切削体18には、筒体16の切目16aに対
応する部分に切目18aが形成される。これらの切目16aお
よび18aは、後述するように、筒体16および切削体18を
かしめることによって形成される。A cutting body 18 is formed on the outer peripheral surface of the cylindrical body 16. The cutting body 18 is formed to have a diameter of 10 mm, for example. The cutting body 18 is formed of, for example, super-abrasive grains such as fine diamond grains and a metal powder such as copper, iron or tin as a binder. Then, in the cutting body 18, a cut 18a is formed at a portion corresponding to the cut 16a of the cylindrical body 16. These cuts 16a and 18a are formed by caulking the tubular body 16 and the cutting body 18, as described later.
この切削具10では、ワイヤロープ12をリング状に形成
し、これがチェーンソーのように回転させられる。そし
て、回転する切削具10に被切削物を当てることにより、
切削体18によって被切削物が切削される。ただし、この
切削具10はリング状に形成されなくてもよい。この場
合、切削具10は、その長手方向に往復運動させることに
よって被切削物を切削することができる。In this cutting tool 10, the wire rope 12 is formed in a ring shape, and this is rotated like a chainsaw. Then, by applying the object to be cut to the rotating cutting tool 10,
The object to be cut is cut by the cutting body 18. However, the cutting tool 10 does not have to be formed in a ring shape. In this case, the cutting tool 10 can cut the object to be cut by reciprocating the cutting tool 10 in the longitudinal direction.
次に、この切削具10の製造方法について説明する。Next, a method for manufacturing the cutting tool 10 will be described.
まず、第3A図に示すように、金属製の筒体16が準備され
る。この筒体16は、第3B図に示すように金型20に挿入さ
れる。この金型20は筒体16の外径よりも大きな内径を有
する。そして、筒体16と金型20との間に、超砥粒と結合
剤とを混合した粉体22が詰め込まれる。粉体22は、超砥
粒として20〜400メッシュのダイヤモンド微粉粒を体積
比で１〜50％含み、さらに結合剤として銅30〜50％、鉄
30〜50％、錫５〜10％含む。なお、粉体22には、上述の
例の他、さらに、ニッケル30〜50％、コバルト10〜70
％、モリブデン５〜10％、タングステン５〜10％の中か
ら１種または数種混合してもよい。First, as shown in FIG. 3A, a metal cylinder 16 is prepared. The cylindrical body 16 is inserted into the mold 20 as shown in FIG. 3B. The mold 20 has an inner diameter larger than the outer diameter of the cylindrical body 16. Then, the powder 22 in which the superabrasive grains and the binder are mixed is packed between the cylindrical body 16 and the mold 20. The powder 22 contains 1 to 50% by volume of diamond fine particles of 20 to 400 mesh as superabrasive particles, and further 30 to 50% of copper and iron as a binder.
Contains 30 to 50% and 5 to 10% tin. In addition to the above example, the powder 22 further contains nickel 30 to 50% and cobalt 10 to 70%.
%, Molybdenum 5 to 10%, and tungsten 5 to 10%, and one kind or several kinds may be mixed.
また、結合剤としては、上述の金属粉末に代えて、たと
えばフェノール樹脂、エポキシ樹脂またはポリイミド樹
脂などの合成樹脂粉末を選択採用してもよい。Further, as the binder, synthetic resin powder such as phenol resin, epoxy resin or polyimide resin may be selectively adopted instead of the above-mentioned metal powder.
この粉体22が押型24で押さえつけることによって加圧成
形される。さらに、加圧成形された圧粉体22が焼成さ
れ、切削体18が形成される。そして、筒体16の余分な部
分16bが切り取られ、第3C図に示す切削片14が形成され
る。This powder 22 is pressed by pressing with a pressing die 24. Further, the pressure-molded green compact 22 is fired to form the cutting body 18. Then, the extra portion 16b of the cylindrical body 16 is cut off to form the cutting piece 14 shown in FIG. 3C.
この切削片14には、第3D図に示すように、その長手方向
にスリット26が形成される。このスリット26は、たとえ
ば機械加工やレーザ加工などによって形成される。As shown in FIG. 3D, a slit 26 is formed in the cutting piece 14 in the longitudinal direction thereof. The slit 26 is formed by, for example, mechanical processing or laser processing.
この切削片14が、第3E図に示すように、ワイヤロープ12
に挿通される。そして、切削片14をかしめることによっ
て、第3F図に示すように、切削片14がワイヤロープ12に
固着される。このとき、切削片14をかしめることによっ
てスリット26が狭められる。その結果、筒体16に切目16
aが形成され、切削体18に切目18aが形成される。As shown in FIG.
Is inserted into. Then, by caulking the cutting piece 14, the cutting piece 14 is fixed to the wire rope 12 as shown in FIG. 3F. At this time, the slit 26 is narrowed by crimping the cutting piece 14. As a result, cuts 16 are made in the cylinder 16.
a is formed, and a cut 18a is formed in the cutting body 18.
このような切削具10では、切削片14をかしめることによ
ってワイヤロープ12に固着するため、はんだやろうなど
の固着用金属が切削体18の空孔やワイヤロープ12の間隙
に入り込まない。したがって、ワイヤロープ12と切削片
14との接合強度が劣化しない。In such a cutting tool 10, since the cutting piece 14 is caulked to be fixed to the wire rope 12, fixing metal such as solder or brazing does not enter the holes of the cutting body 18 or the gaps of the wire rope 12. Therefore, the wire rope 12 and the cutting piece
The joint strength with 14 does not deteriorate.
さらに、固着用金属が切削体18の空孔に入り込まないた
め、切削体18の金属組成が変わらない。そのため、切削
具10の切れ味が劣化しない。Furthermore, since the fixing metal does not enter the holes of the cutting body 18, the metal composition of the cutting body 18 does not change. Therefore, the sharpness of the cutting tool 10 does not deteriorate.
また、ワイヤロープ12が固着用金属によって硬化しない
ため、切削具10を高速で回転させてもワイヤロープ12が
破断しにくい。Further, since the wire rope 12 is not hardened by the fixing metal, the wire rope 12 is hard to break even when the cutting tool 10 is rotated at a high speed.
さらに、筒体16があることによって、切削片14をかしめ
るときに切削体18が破損しない。Furthermore, the presence of the cylindrical body 16 prevents the cutting body 18 from being damaged when the cutting piece 14 is caulked.
なお、上述の実施例では、超砥粒としてダイヤモンド微
粉粒を用いたが、立方晶窒化硼素（CBN）などの超砥粒
を用いてもよい。Although fine diamond particles are used as the superabrasive particles in the above-described embodiments, superabrasive particles such as cubic boron nitride (CBN) may be used.
第１図はこの発明の一実施例を示す斜視図である。 第２図は第１図実施例に用いられる切削片を示す斜視図
である。 第3A図ないし第3F図は第１図実施例に示す切削具を製造
する工程を示す図である。 第４図はこの発明の背景となる切削具の一例を示す斜視
図である。 図において、10は帯状切削具、12はワイヤロープ、16は
筒体、16aは筒体の切目、18は切削体、18aは切削体の切
目、22は圧粉体、26はスリットを示す。FIG. 1 is a perspective view showing an embodiment of the present invention. FIG. 2 is a perspective view showing a cutting piece used in the embodiment of FIG. FIGS. 3A to 3F are views showing steps for manufacturing the cutting tool shown in FIG. 1 embodiment. FIG. 4 is a perspective view showing an example of a cutting tool which is the background of the present invention. In the figure, 10 is a band-shaped cutting tool, 12 is a wire rope, 16 is a tubular body, 16a is a cut of the tubular body, 18 is a cut body, 18a is a cut of the cut body, 22 is a green compact, and 26 is a slit.
Claims (7)
手方向に切目が形成された金属製の筒体、および 前記筒体の外周面に形成され、前記筒体の切目に対応す
る位置に別の切目が形成された超砥粒を含む焼結体から
なる切削体を有する、切削具。1. A linear member, a metal tubular body fixed to the linear member by caulking, and having a notch formed in a longitudinal direction thereof; and a tubular body formed on an outer peripheral surface of the tubular body. A cutting tool having a cutting body made of a sintered body containing superabrasive grains in which another cut line is formed at a position corresponding to the cut line.
れる１種で形成される、特許請求の範囲第１項記載の切
削具。2. The cutting tool according to claim 1, wherein the cylindrical body is formed of one kind selected from copper, iron and brass.
錫の粉体を混合したもので形成される、特許請求の範囲
第１項または第２項記載の切削具。3. The cutting tool according to claim 1 or 2, wherein the cutting body is formed by mixing powders of diamond, copper, iron and tin.
許請求の範囲第１項ないし第３項のいずれかに記載の切
削具。4. The cutting tool according to any one of claims 1 to 3, wherein the linear member is formed in a ring shape.
数個固着される、特許請求の範囲第１項ないし第４項の
いずれかに記載の切削具。5. The cutting tool according to claim 1, wherein a plurality of the cylindrical members are fixed to the linear member at intervals.
程、 前記圧粉体を焼結することによって前記筒体の外周面に
切削体を形成する工程、 前記筒体および前記切削体の長手方向にスリットを形成
する工程、 前記スリットの形成された筒体に線状部材を挿通する工
程、および 前記筒体および前記切削体をかしめることによって前記
線状部材に前記筒体および前記切削体を固着する工程を
含む、切削具の製造方法。6. A step of preparing a metal cylinder, a step of molding a green compact containing superabrasive grains on an outer peripheral surface of the cylinder, and an outer periphery of the cylinder by sintering the green compact. Forming a cutting body on the surface, forming a slit in the longitudinal direction of the cylindrical body and the cutting body, inserting a linear member into the cylindrical body in which the slit is formed, and the cylindrical body and the cutting A method for manufacturing a cutting tool, comprising a step of fixing the tubular body and the cutting body to the linear member by crimping the body.
体の不要な部分を取り除く工程を含む、特許請求の範囲
第６項記載の切削具の製造方法。7. The method for manufacturing a cutting tool according to claim 6, further comprising a step of removing an unnecessary portion of the cylindrical body after the step of forming the cutting body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19218287A JPH0722885B2 (en) | 1987-07-30 | 1987-07-30 | Cutting tool and method of manufacturing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19218287A JPH0722885B2 (en) | 1987-07-30 | 1987-07-30 | Cutting tool and method of manufacturing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6434675A JPS6434675A (en) | 1989-02-06 |
| JPH0722885B2 true JPH0722885B2 (en) | 1995-03-15 |
Family
ID=16287040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19218287A Expired - Lifetime JPH0722885B2 (en) | 1987-07-30 | 1987-07-30 | Cutting tool and method of manufacturing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0722885B2 (en) |
-
1987
- 1987-07-30 JP JP19218287A patent/JPH0722885B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6434675A (en) | 1989-02-06 |
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