JPH05285917A - Production of sintered object - Google Patents
Production of sintered objectInfo
- Publication number
- JPH05285917A JPH05285917A JP4120119A JP12011992A JPH05285917A JP H05285917 A JPH05285917 A JP H05285917A JP 4120119 A JP4120119 A JP 4120119A JP 12011992 A JP12011992 A JP 12011992A JP H05285917 A JPH05285917 A JP H05285917A
- Authority
- JP
- Japan
- Prior art keywords
- injection
- mold
- molding
- molded body
- ceramics
- 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.)
- Granted
Links
Landscapes
- Powder Metallurgy (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Producing Shaped Articles From Materials (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明はセラミクスもしくは金属
粉末製品の製造方法に関する。FIELD OF THE INVENTION The present invention relates to a method for producing ceramic or metal powder products.
【０００２】[0002]
【従来の技術】従来、粉末治金，セラミクス製造におい
て、金属あるいは無機質の粉末を所定形状に成形する方
法としては、金型成形，静水圧成形，ホットプレス，テ
ープ成形，押出成形および鋳込成形などの種類がある。
その中でも、近年複雑形状を比較的容易に製造できる方
法として、セラミクス粉末射出成形法もしくは金属粉末
射出成形法が注目され初めている。例えば、特開昭５９
−２２９４０３号公報や特開昭６２−２７０４５８号公
報記載に見られるように、セラミクスもしくは金属粉末
と有機バインダーとを混練し、その混練体を射出成形し
た後に前記有機バインダーを除去し（脱脂）、その脱脂
体を焼結して製品を得る方法が開示されている。2. Description of the Related Art Conventionally, in powder metallurgy and ceramics manufacturing, as a method of molding a metal or inorganic powder into a predetermined shape, there are metal mold molding, hydrostatic molding, hot pressing, tape molding, extrusion molding and casting molding. And so on.
Among them, the ceramic powder injection molding method or the metal powder injection molding method has recently begun to attract attention as a method capable of manufacturing a complicated shape relatively easily. For example, JP-A-59
-229403 and JP-A-62-270458, the ceramics or metal powder and an organic binder are kneaded, the kneaded body is injection-molded, and then the organic binder is removed (defatting), A method for obtaining a product by sintering the degreased body is disclosed.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、前記各
従来技術におけるいずれの方法で製造したとしても、焼
結体のセラミクスもしくは金属部品を組み立てる必要が
ある。当該方法の利点として製造される製品は複雑形状
であり、今後さらに複雑さを増すことが予想される。
そのため、完成した焼結体のハンドリング性および位置
合わせ精度等はその形状の複雑さゆえ、益々困難さを増
加しつつある。従ってその組み立ては益々困難になりつ
つあり、近い将来組立ることが出来なくなる可能性すら
ある。However, whichever method is used in the above-mentioned respective prior arts, it is necessary to assemble the ceramics of the sintered body or the metal parts. As an advantage of the method, the product manufactured has a complicated shape, and it is expected that the complexity will increase in the future.
Therefore, the handling property and the positioning accuracy of the completed sintered body are becoming more and more difficult due to the complicated shape. Therefore, its assembly is becoming more and more difficult, and it may even become impossible to assemble in the near future.
【０００４】因って、本発明は前記従来技術における問
題点に鑑みて開発されたもので、セラミクスもしくは金
属粉末製品を組み立てることなく製造できる焼結体の製
造方法の提供を目的とする。Therefore, the present invention was developed in view of the above problems in the prior art, and an object thereof is to provide a method for producing a sintered body which can be produced without assembling ceramics or metal powder products.
【０００５】[0005]
【課題を解決するための手段】本発明は、少なくとも２
ケ以上の物体を成形しつつ組み立てるセラミクスもしく
は金属粉焼結体の製造方法において、セラミクスもしく
は金属粉末と有機バインダーとを混練した混練体を射出
成形して所定の１次射出成形体を得る１次射出成形工程
と、該１次射出成形体表面の１部へ選択的にセラミクス
を付着させる付着工程と、１次射出成形体表面のセラミ
クスが付着した部分とセラミクスが付着していない部分
へ同時に前記混練体を射出成形して所定の２次射出成形
体を得る２次射出成形工程と、前記付着工程と多次射出
成形工程を繰り返して最終射出成形体を得る工程とから
成る製造方法である。The present invention comprises at least two aspects.
In a method of manufacturing a ceramics or a metal powder sintered body, in which the above objects are assembled while being molded, a kneaded body obtained by kneading the ceramics or the metal powder and an organic binder is injection-molded to obtain a predetermined primary injection-molded body. The injection molding step, the attaching step of selectively attaching the ceramics to a part of the surface of the primary injection molded article, and the step of simultaneously adhering the ceramics portion and the non-ceramics portion of the surface of the primary injection molded article It is a manufacturing method comprising a secondary injection molding step of injection-molding a kneaded body to obtain a predetermined secondary injection molded body, and a step of repeating the adhering step and the multi-order injection molding step to obtain a final injection molded body.
【０００６】[0006]
【作用】本発明では、焼結時に１次射出成形体のセラミ
クス溶液が塗布された部分は２次射出成形工程または多
次射出成形工程によって新たに成形された部分と溶着せ
ず、セラミクス溶液が塗布されていない１次射出成形体
と２次射出成形工程または多次射出成形工程によって新
たに成形された部分の接触面は溶着する。In the present invention, the portion of the primary injection molded body to which the ceramics solution is applied does not weld to the newly molded portion in the secondary injection molding process or the multiple injection molding process during sintering, and the ceramics solution is The contact surfaces of the unapplied primary injection-molded body and the parts newly molded by the secondary injection molding process or the multi-injection molding process are welded.
【０００７】[0007]
【実施例１】図１〜図４は本実施例を示し、図１はフロ
ーチャート、図２は製造工程図、図３は製品の側面図、
図４は製品の平面図である。平均粒度１０μｍステンレ
ス鋼（ＳＵＳ３１６Ｌ）粉末９１ｗｔ％に対し、ポリス
チレン３ｗｔ％，アクリル３ｗｔ％，ワックス２ＷＴ％
およびステアリン酸１ｗｔ％を混練機（図示せず）に投
入し、混練する。その後、造粉機（図示せず）に前記混
練体を投入し、ペレット状に造粉する。Embodiment 1 FIGS. 1 to 4 show the present embodiment, FIG. 1 is a flow chart, FIG. 2 is a manufacturing process drawing, FIG. 3 is a side view of a product,
FIG. 4 is a plan view of the product. Average particle size 10 μm Stainless steel (SUS316L) powder 91 wt%, polystyrene 3 wt%, acrylic 3 wt%, wax 2 WT%
Then, 1 wt% of stearic acid is put into a kneader (not shown) and kneaded. After that, the kneading body is put into a flour-milling machine (not shown), and pelletized.
【０００８】このペレットを射出成形機の加熱筒（図示
せず）に投入し、流動状態にせしめる。また、前記射出
成形機のプラテン（図示せず）には上型１と下型２とキ
ャビティー３とからなる金型４，上型５と下型６とキャ
ビティー７とからなる金型８および上型９と下型１０と
キャビティー１１とからなる金型１２が自動順送装置
（図示せず）によって前記加熱筒の下を順送可能に取り
付けられている。The pellets are put into a heating cylinder (not shown) of an injection molding machine and made to flow. In addition, a platen (not shown) of the injection molding machine includes a mold 4 including an upper mold 1, a lower mold 2 and a cavity 3, and a mold 8 including an upper mold 5, a lower mold 6 and a cavity 7. A mold 12 including an upper mold 9, a lower mold 10, and a cavity 11 is attached by an automatic progressive device (not shown) so as to be capable of progressively moving under the heating cylinder.
【０００９】まず前記加熱筒の下に金型４を設置し、キ
ャビティー３に前記混練体を第１次射出して第１次射出
成形体１３を得る。次に、キャビティー３から前記第１
次射出成形体１３を取り出し、該第１次射出成形体１３
の表面の塗布部１３ａにヘキサンに分散させた平均粒度
１１μｍの立法晶窒化臭素（ｃ−ＢＮ）を付着させる。
この後、金型４と金型８を入れ換えて、金型８のキャビ
ティー７に前記第１次射出成形体１３を挿入した状態で
前記混練体を第２次射出して第２次射出成形体１４を得
る。同様に、キャビティー７から前記第２次射出成形体
１４を取り出し、該第２次射出成形体１４の表面の塗布
部１４ａに前記ｃ−ＢＮ溶液を付着させる。 次に、金
型７と金型１２を入れ換えて、金型１２のキャビティー
１１に前記第２次射出成形体１４を挿入した状態で前記
混練体を第３次射出して第３次射出成形体１５を得る。First, a mold 4 is placed under the heating cylinder, and the kneaded body is first injected into the cavity 3 to obtain a primary injection molded body 13. Next, from the cavity 3 to the first
The next injection molded body 13 is taken out, and the first injection molded body 13 is taken out.
Cubic bromine nitride (c-BN) having an average particle size of 11 μm dispersed in hexane is attached to the coating portion 13a on the surface of the.
After that, the mold 4 and the mold 8 are replaced with each other, and the kneaded body is secondarily injected while the first injection molded body 13 is inserted into the cavity 7 of the mold 8 to perform the second injection molding. Get body 14. Similarly, the secondary injection molded body 14 is taken out from the cavity 7, and the c-BN solution is attached to the coating portion 14a on the surface of the secondary injection molded body 14. Next, the mold 7 and the mold 12 are replaced with each other, and the second injection molded body 14 is inserted into the cavity 11 of the mold 12 to perform the third injection of the kneading body to perform the third injection molding. Get body 15.
【００１０】この後、第３次射出成形体１５をキャビテ
ィー１１から取り出し、脱脂炉（図示せず）に移送して
脱脂する。さらに、この脱脂後の第３次射出成形体１５
を焼結炉（図示せず）に移送して焼結する。Thereafter, the third injection molded body 15 is taken out of the cavity 11 and transferred to a degreasing furnace (not shown) for degreasing. Further, this degreased third injection molded body 15
Is transferred to a sintering furnace (not shown) for sintering.
【００１１】上記構成において、第１次射出成形体１３
および第２次射出成形体１４を付着させるｃ−ＢＮを分
散させたヘキサンは、第１次射出成形体１３，第２次射
出成形体１４および第３次射出成形体１５を保形してい
るポリスチレン，アクリル，ワックスおよびステアリン
酸を侵することがなく、第１次射出成形体１３，第２次
射出成形体１５に何ら影響を及ぼすことはない。In the above structure, the primary injection molded body 13
Hexane in which c-BN to which the secondary injection molded body 14 is attached is dispersed holds the shapes of the primary injection molded body 13, the secondary injection molded body 14, and the tertiary injection molded body 15. It does not attack polystyrene, acrylic, wax and stearic acid, and does not affect the primary injection molded body 13 and the secondary injection molded body 15 at all.
【００１２】さらに、第１次射出成形体１３の塗布部１
３ａと第２次射出成形部１６および第２次射出成形体１
４の塗布部１４ａと第３次射出成形部１７は、前記ヘキ
サンに分散させたｃ−ＢＮによって非接触に保たれてい
る。また、第２次射出成形体１４の前記ｃ−ＢＮ溶液を
付着させない非塗布部１４ｂと第３次射出成形部１７は
互いに接触した状態に保たれている。Further, the coating section 1 of the primary injection molded body 13
3a, secondary injection molding part 16 and secondary injection molding 1
The coating portion 14a of No. 4 and the third injection molding portion 17 are kept in non-contact with each other by the c-BN dispersed in the hexane. Further, the non-coating portion 14b of the secondary injection-molded body 14 to which the c-BN solution is not attached and the tertiary injection-molded portion 17 are kept in contact with each other.
【００１３】また、脱脂工程では前記ヘキサンは前記ポ
リスチレン，アクリル，ワックスおよびステアリン酸と
共に除去されるが、ｃ−ＢＮは残留し、前記第１次射出
成形体１３の塗布部１３ａと第２次出成形部１６および
第２次射出成形体１４の塗布部１４ａと第３次射出成形
部１７とは依然として非接触に保たれている。Further, in the degreasing step, the hexane is removed together with the polystyrene, acrylic, wax and stearic acid, but c-BN remains, and the coating portion 13a of the primary injection molded body 13 and the secondary output. The molding part 16 and the coating part 14a of the secondary injection molded body 14 and the third injection molding part 17 are still kept in non-contact with each other.
【００１４】さらに、焼結工程では脱脂後の前記第１次
射出成形体１３の塗布部１３ａと第２次射出成形部１６
および第２次射出成形体１４の塗布部１４ａと第３次射
出成形部１７とは非接触に保たれているため溶着しな
い。また、第２次射出成形体１４の非塗布部１４ｂと第
３次射出成形部１７は互いに接触しているため溶着す
る。これにより製品１８を得る。Further, in the sintering step, the coating portion 13a and the secondary injection molding portion 16 of the primary injection molding body 13 after degreasing are performed.
Also, since the coating portion 14a of the secondary injection molded body 14 and the tertiary injection molded portion 17 are kept in non-contact with each other, they are not welded. Further, since the non-coating portion 14b of the secondary injection molded body 14 and the tertiary injection molded portion 17 are in contact with each other, they are welded. Thereby, the product 18 is obtained.
【００１５】本実施例によれば、ｃ−ＢＮ溶液の付着さ
せる部位を操作することにより、溶着させる部位と溶着
させない部位とを射出成形工程中に操作することがで
き、焼結後に組立工程を得ることなく組立完了の製品が
得られる。According to the present embodiment, by manipulating the portion to which the c-BN solution is attached, the portion to be welded and the portion not to be welded can be manipulated during the injection molding process, and the assembly process after sintering can be performed. A product of completed assembly can be obtained without obtaining.
【００１６】[0016]
【実施例２】図５〜図１０は本実施例を示し、図５は製
品の斜視図、図６は下型の平面図、図７は側面図、図８
〜図１０は斜視図である。本実施例は、混練体の造粉工
程，脱脂工程および焼結工程を前記実施例１の通りと
し、記述を省略する。Embodiment 2 FIGS. 5 to 10 show this embodiment, FIG. 5 is a perspective view of a product, FIG. 6 is a plan view of a lower mold, FIG. 7 is a side view, and FIG.
10 is a perspective view. In this embodiment, the kneading material powder forming process, degreasing process and sintering process are the same as those in the first embodiment, and the description thereof is omitted.
【００１７】上型２１および下型２２には成形品ガイド
２３と軸受成形部２４と軸成形部２５とが彫刻されてい
る。まず、成形品ガイド部２３にあらかじめ成形品ガイ
ド部２３と同形状に加工された治具（図示せず）を挿入
した状態で、射出成形機の加熱筒（図示せず）から混練
体を軸受成形部２４と軸成形部２５に第１次射出して第
１次射出成形体２７を得る。A molded product guide 23, a bearing molding portion 24, and a shaft molding portion 25 are engraved on the upper mold 21 and the lower mold 22. First, with the jig (not shown) preliminarily machined in the same shape as the molded product guide portion 23 inserted into the molded product guide portion 23, the kneading body is borne by the heating cylinder (not shown) of the injection molding machine. Primary injection is performed on the molding part 24 and the shaft molding part 25 to obtain a primary injection molded body 27.
【００１８】次に、第１次射出成形体２７を金型より取
り出し、軸２８の軸受摺動部２９と軸受け継手３０の軸
受継手連結部３１と軸継手３２の軸継手連結部３３とに
ｃ−ＢＮ溶液を付着させる。さらに、前記軸２８を軸受
成形部２４の軸ガイド３４に、かつ軸受３４を成形品ガ
イド部２３の軸受ガイド３５に位置するように上型２１
及び下型２２内に挿入する。この状態で混練体を軸受成
形部２４と軸成形部２５とに第２次射出して、第２次射
出成形体３６を得る。Next, the primary injection-molded body 27 is taken out from the mold and c is inserted into the bearing sliding portion 29 of the shaft 28, the bearing joint connecting portion 31 of the bearing joint 30 and the shaft joint connecting portion 33 of the shaft joint 32. -Apply the BN solution. Further, the upper mold 21 is positioned so that the shaft 28 is positioned in the shaft guide 34 of the bearing molding portion 24 and the bearing 34 is positioned in the bearing guide 35 of the molded product guide portion 23.
And into the lower mold 22. In this state, the kneaded body is secondarily injected into the bearing molding portion 24 and the shaft molding portion 25 to obtain a second injection molding body 36.
【００１９】次に、第２次射出成形体３６を金型より取
り出し、軸３７の軸受摺動部３８にｃ−ＢＮ溶液を付着
させる。その後、軸３７を軸受成形部２４の軸ガイド３
４に、かつ軸受３９を成形品ガイド部２３の軸受ガイド
３５に位置するように上型２１および下型２２内に挿入
する。この状態で混練体を軸受成形部２４と軸成形部２
５とに第３次射出して第３次射出成形体４０を得る。Next, the secondary injection molded body 36 is taken out of the mold, and the c-BN solution is attached to the bearing sliding portion 38 of the shaft 37. After that, the shaft 37 is attached to the shaft guide 3 of the bearing molding portion 24.
4 and the bearing 39 is inserted into the upper mold 21 and the lower mold 22 so as to be positioned in the bearing guide 35 of the molded product guide portion 23. In this state, the kneaded body is mixed with the bearing molding part 24 and the shaft molding part 2
Third injection molding is carried out to obtain a third injection molded body 40.
【００２０】以下同様に、第ｍ次射出成形体（ｍ＝２ｉ
−１、ｉ＝１，２，３，・・・）には、軸受摺動部と軸
受継手連結部と軸継手連結部とにｃ−ＢＮ溶液を付着さ
せ、第ｎ次射出成形体（ｎ＝２ｉ、ｉ＝１，２，３，・
・・）には軸受摺動部のみにｃ−ＢＮ溶液を付着させて
から、軸を軸受成形部２４の軸ガイド３４に、かつ軸受
を成形品ガイド部２３の軸受ガイド３５に位置するよう
に上型および下型２２内に挿入したのち、混練体を軸受
成形部２４と軸成形部２５に射出して射出成形体４１を
得る。Similarly, the m-th injection molding (m = 2i)
-1, i = 1, 2, 3, ...), the c-BN solution is adhered to the bearing sliding portion, the bearing joint connecting portion, and the shaft joint connecting portion, and the n-th injection molded body (n = 2i, i = 1,2,3, ...
..) so that the shaft is positioned on the shaft guide 34 of the bearing molding part 24 and the bearing is positioned on the bearing guide 35 of the molded product guide part 23 after the c-BN solution is attached only to the bearing sliding part. After being inserted into the upper mold 22 and the lower mold 22, the kneaded body is injected into the bearing molding portion 24 and the shaft molding portion 25 to obtain an injection molded body 41.
【００２１】上記構成において、前記実施例１と同様
に、射出成形工程および脱脂工程では第ｍ次射出成形体
のｃ−ＢＮ溶液を付着させた部位と第ｎ次射出によって
形成された部位とは非接触に保たれ、ｃ−ＢＮ溶液を付
着させない部位は接触状態に保たれる。さらに、焼結工
程では第ｍ次射出成形体のｃ−ＢＮ溶液を付着させた部
位と第ｎ次射出によって形成された部位とは溶着せず、
ｃ−ＢＮ溶液を付着させない部位は溶着する。In the above-mentioned structure, similarly to the first embodiment, in the injection molding step and the degreasing step, the portion of the m-th injection molded body to which the c-BN solution is attached and the portion formed by the n-th injection are different. It is kept in non-contact, and the part to which the c-BN solution is not attached is kept in contact. Further, in the sintering step, the portion of the m-th injection molded body to which the c-BN solution is attached and the portion formed by the n-th injection are not welded,
The part where the c-BN solution is not attached is welded.
【００２２】本実施例によれば、前記実施例１の効果に
加え、摺動部を有する連続体を焼結工程後に組立ること
なく製造することが出来る。According to this embodiment, in addition to the effects of the first embodiment, a continuous body having a sliding portion can be manufactured without assembling after the sintering process.
【００２３】[0023]
【発明の効果】以上説明した様に、本発明に係る焼結体
の製造方法によれば、セラミクスもしくは金属粉末を用
いた複雑形状部品を組立工程を経ずとも組立状態の製品
を比較的容易に得られる。因って、製品コストを安価に
できるのみならず、従来では極めて組立困難だったより
複雑で繊細な製品であっても容易に製造することが出来
る。As described above, according to the method for producing a sintered body of the present invention, a product in an assembled state can be relatively easily manufactured without a complex-shaped part using ceramics or metal powder. Can be obtained. Therefore, not only the product cost can be reduced, but also a more complicated and delicate product, which has been extremely difficult to assemble in the past, can be easily manufactured.
【図１】実施例１を示すフローチャートである。FIG. 1 is a flowchart showing a first embodiment.
【図２】実施例１を示す製造工程図である。2A to 2C are manufacturing process diagrams illustrating the first embodiment.
【図３】実施例１を示す側面図である。FIG. 3 is a side view showing the first embodiment.
【図４】実施例１を示す平面図である。FIG. 4 is a plan view showing the first embodiment.
【図５】実施例２を示す斜視図である。FIG. 5 is a perspective view showing a second embodiment.
【図６】実施例２を示す平面図である。FIG. 6 is a plan view showing a second embodiment.
【図７】実施例２を示す側面図である。FIG. 7 is a side view showing a second embodiment.
【図８】実施例２を示す斜視図である。FIG. 8 is a perspective view showing a second embodiment.
【図９】実施例２を示す斜視図である。FIG. 9 is a perspective view showing a second embodiment.
【図１０】実施例２を示す斜視図である。FIG. 10 is a perspective view showing a second embodiment.
１，５，９ 上型 ２，６，１０ 下型 ３，７，１１ キャビティー ４，８，１２ 金型 １３ 第１次射出成形体 １４ 第２次射出成形体 １５ 第３次射出成形体 １６ 第２次射出成形部 １７ 第３次射出成形部 １８ 製品 1, 5, 9 Upper mold 2, 6, 10 Lower mold 3, 7, 11 Cavities 4, 8, 12 Mold 13 Primary injection molded body 14 Secondary injection molded body 15 Third injection molded body 16 Secondary injection molding part 17 Third injection molding part 18 Products
───────────────────────────────────────────────────── フロントページの続き (72)発明者 関根 克己 東京都渋谷区幡ケ谷２丁目43番２号 オリ ンパス光学工業株式会社内 (72)発明者 志賀 直仁 東京都渋谷区幡ケ谷２丁目43番２号 オリ ンパス光学工業株式会社内 (72)発明者 白井 道雄 東京都渋谷区幡ケ谷２丁目43番２号 オリ ンパス光学工業株式会社内 (72)発明者 稲橋 潤 東京都渋谷区幡ケ谷２丁目43番２号 オリ ンパス光学工業株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Katsumi Sekine 2-43-2 Hatagaya, Shibuya-ku, Tokyo Inside Olympus Optical Industry Co., Ltd. (72) Naohito Shiga 2-43-2 Hatagaya, Shibuya-ku, Tokyo Olympus Optical Co., Ltd. (72) Inventor Michio Shirai 2-43-2 Hatagaya, Shibuya-ku, Tokyo Olympus Optical Co., Ltd. (72) Inventor Jun Inabashi 2-43-2 Hatagaya, Shibuya-ku, Tokyo Olympus Optical Co., Ltd.
Claims (1)
組み立てるセラミクスもしくは金属粉焼結体の製造方法
において、セラミクスもしくは金属粉末と有機バインダ
ーとを混練した混練体を射出成形して所定の１次射出成
形体を得る１次射出成形工程と、該１次射出成形体表面
の１部へ選択的にセラミクスを付着させる付着工程と、
１次射出成形体表面のセラミクスが付着した部分とセラ
ミクスが付着していない部分へ同時に前記混練体を射出
成形して所定の２次射出成形体を得る２次射出成形工程
と、前記付着工程と多次射出成形工程を繰り返して最終
射出成形体を得る工程とから成ることを特徴とする焼結
体の製造方法。1. A method for producing a ceramics or metal powder sintered body, which comprises assembling at least two or more objects while molding them, wherein a kneaded body obtained by kneading the ceramics or metal powder and an organic binder is injection-molded to a predetermined primary A primary injection molding step of obtaining an injection molded article, and an adhesion step of selectively attaching ceramics to a part of the surface of the primary injection molded article,
A secondary injection molding step of injection-molding the kneaded body at the same time on the surface of the primary injection-molded body where the ceramics are adhered to and where the ceramics is not adhered to obtain a predetermined secondary injection-molded body; And a step of obtaining a final injection-molded article by repeating a multi-step injection molding step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4120119A JP3017358B2 (en) | 1992-04-14 | 1992-04-14 | Manufacturing method of sintered body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4120119A JP3017358B2 (en) | 1992-04-14 | 1992-04-14 | Manufacturing method of sintered body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05285917A true JPH05285917A (en) | 1993-11-02 |
| JP3017358B2 JP3017358B2 (en) | 2000-03-06 |
Family
ID=14778434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4120119A Expired - Fee Related JP3017358B2 (en) | 1992-04-14 | 1992-04-14 | Manufacturing method of sintered body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3017358B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009507685A (en) * | 2005-09-14 | 2009-02-26 | フォルシュングスツェントルム カールスルーエ ゲゼルシャフト ミット ベシュレンクテル ハフツング | Method for manufacturing an object comprising at least one independent movable part and a fixed part |
-
1992
- 1992-04-14 JP JP4120119A patent/JP3017358B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009507685A (en) * | 2005-09-14 | 2009-02-26 | フォルシュングスツェントルム カールスルーエ ゲゼルシャフト ミット ベシュレンクテル ハフツング | Method for manufacturing an object comprising at least one independent movable part and a fixed part |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3017358B2 (en) | 2000-03-06 |
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