JPS6151521B2 - - Google Patents
Info
- Publication number
- JPS6151521B2 JPS6151521B2 JP3364279A JP3364279A JPS6151521B2 JP S6151521 B2 JPS6151521 B2 JP S6151521B2 JP 3364279 A JP3364279 A JP 3364279A JP 3364279 A JP3364279 A JP 3364279A JP S6151521 B2 JPS6151521 B2 JP S6151521B2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- hydraulic inorganic
- molding material
- producing
- molding
- 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
Links
- 239000000463 material Substances 0.000 claims description 57
- 239000012778 molding material Substances 0.000 claims description 33
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 3
- 239000010440 gypsum Substances 0.000 claims description 3
- 229910052602 gypsum Inorganic materials 0.000 claims description 3
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 2
- 239000000378 calcium silicate Substances 0.000 claims description 2
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000000465 moulding Methods 0.000 description 6
- 239000000835 fiber Substances 0.000 description 5
- 238000003825 pressing Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 229910010272 inorganic material Inorganic materials 0.000 description 3
- 239000011147 inorganic material Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000012209 synthetic fiber Substances 0.000 description 3
- 229920002994 synthetic fiber Polymers 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000012779 reinforcing material Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 239000002557 mineral fiber Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
Landscapes
- Producing Shaped Articles From Materials (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Description
【発明の詳細な説明】
本発明は水硬性無機質成形物の製造方法に存す
る。DETAILED DESCRIPTION OF THE INVENTION The present invention resides in a method for producing a hydraulic inorganic molded article.
従来、セメント、石膏、珪酸カルシウム形成材
料等の水硬性無機物を成分とする成形材料を使用
して成形物を成形するには、例えば水抜孔が設け
られている型面上に布を置き、この布上に水
硬性無機物と水、繊維補強材等からなる成形材料
を置き、型により押圧して成形物を成形すること
が行なわれてきた。 Conventionally, in order to mold a molded article using a molding material containing a hydraulic inorganic material such as cement, gypsum, or calcium silicate-forming material, a cloth is placed on a mold surface with drainage holes, for example. A molding material made of a hydraulic inorganic material, water, fiber reinforcing material, etc. is placed on a cloth and pressed with a mold to form a molded article.
しかしながらこの場合は成形材料が例えば20
Kg／cm2以上の高圧で型により押圧されて脱水がさ
れるため、複雑な押圧機構を備えている必要があ
り、又型による押圧は型の移動方向に限られるた
めに成形物の形状が複雑になると押圧が充分にで
きない部分が生じ、含水量が全体に亘つて均一に
ならず強いて押圧しようとすれば移動可能な型部
分を別に設けておかなければならない欠点があつ
た。 However, in this case, the molding material is e.g.
Since dehydration is carried out by pressing with a mold at a high pressure of more than Kg/cm 2 , it is necessary to have a complicated pressing mechanism, and since the pressing by the mold is limited to the direction of movement of the mold, the shape of the molded product is If it becomes complicated, there will be parts where it cannot be pressed sufficiently, and the water content will not be uniform over the whole, so if you want to forcefully press it, there will be a disadvantage that a separate movable mold part will have to be provided.
又従来の方法においては、材は型面上に設置
されたまま付着されてしまい、材に目詰りを生
じた際にもこれを取外して取換えることは容易で
なかつた。又成形用型から賦型物を取出す場合に
賦型物は雌型内に残つているが、雌型の開口部を
下向きにして賦型物を取出さなければ賦型物の取
出しが容易でなく、取出しの際に賦型物が衝撃を
受け、破損を生じたりするおそれがあつた。 Furthermore, in the conventional method, the material remains attached to the mold surface, and even if the material becomes clogged, it is not easy to remove and replace it. Furthermore, when taking out the shaped material from the mold, the shaped material remains in the female mold, but it is easy to take out the shaped material unless the opening of the female mold is facing downward and the shaped material is removed. There was a risk that the molded product would receive a shock and be damaged during removal.
本発明は上記従来の方法における欠点を解消し
押圧機構を備えた成形用型を使用せずに成形で
き、又型形状が複雑であつても成形材料を行き渡
らせることができ、しかも賦型物の型からの取外
し及び材の型からの取外しを容易になすことが
できる水硬性無機質成形物の製造方法を提供する
ことを目的とする。 The present invention eliminates the drawbacks of the conventional methods, allows molding without using a mold equipped with a pressing mechanism, allows molding material to be distributed evenly even if the shape of the mold is complex, and furthermore, allows molding to be carried out even if the mold shape is complex. It is an object of the present invention to provide a method for manufacturing a hydraulic inorganic molded article, which allows easy removal of the material from the mold and removal of the material from the mold.
本発明の要旨とするところは、一方の型と、型
面に多数の水抜孔が設けられいる他方の型からな
り、閉合されている型内に伸張性材料からなる
材を吊設しておき、前記一方の型と材との間に
水硬性無機質成形材料を圧入し、材を伸張させ
て他方の型の型面に沿わせ、他方の型の外側から
吸引して前記成形材料に脱水を生じさせて賦型
し、賦型物を型内もしくは型外において硬化させ
ることを特徴とする水硬性無機質成形物の製造方
法に存する。 The gist of the present invention is to consist of one mold and the other mold having a large number of drainage holes on the mold surface, and a material made of an extensible material is suspended inside the closed mold. , a hydraulic inorganic molding material is press-fitted between the one mold and the material, the material is stretched to follow the mold surface of the other mold, and the molding material is dehydrated by suction from the outside of the other mold. The present invention relates to a method for producing a hydraulic inorganic molded article, which is characterized by forming and shaping the molded product, and curing the shaped product inside or outside the mold.
次に本発明、水硬性無機質成形物の製造方法に
ついて更に詳細に説明する。 Next, the present invention and the method for producing a hydraulic inorganic molded article will be explained in more detail.
水硬性無機物は、セメント、石膏、珪酸カルシ
ウム形成材料等の水和反応によつて硬化する無機
物である。水硬性無機質成形材料は、水硬性無機
物の硬化に与かり又流動性を付与させるために必
要な量の水を含有させたものであつて、必要に応
じ繊維補強材として鉱物繊維、ガラス繊維等の無
機質繊維、動植物繊維、合成繊維、半合成繊維等
の有機質繊維、骨材として砂、砂利等、その他急
硬材、顔料等が含有されていてもよい。 Hydraulic minerals are minerals that harden through a hydration reaction, such as cement, gypsum, and calcium silicate forming materials. The hydraulic inorganic molding material contains the necessary amount of water to contribute to the hardening of the hydraulic inorganic material and to impart fluidity, and if necessary, mineral fibers, glass fibers, etc. can be used as fiber reinforcing materials. Inorganic fibers, animal and plant fibers, synthetic fibers, organic fibers such as semi-synthetic fibers, sand, gravel, etc. as aggregates, other rapidly hardening materials, pigments, etc. may be contained.
成形用型１は、雄型２と、型面に多数の水抜孔
４が設けられている雌型３からなり、雄型２と雌
型３が閉合された際に賦型物形状に適合する型窩
５が形成される。雄型２には前記成形材料を型窩
５内に注入するための導孔６が設けられており、
型外に設置された成形材料の貯蔵槽７からポンプ
８により型窩５内を充填するのに充分な量の成形
材料１０が型窩５内に送給される。閉合されてい
る成形用型１内に伸張性材料からなる材９が吊
設されている。材９は周縁部が雄型２と雌型３
に挾持されて雄型２と雌型３との間にやや張つた
状態又はやや緩められた状態に吊設されることに
より、成形材料１０が型窩５内に送給されるにつ
れて伸張できるようになされている。 The molding mold 1 consists of a male mold 2 and a female mold 3 having a large number of drainage holes 4 on the mold surface, and when the male mold 2 and the female mold 3 are closed, it conforms to the shape of the shaped object. A mold cavity 5 is formed. The male mold 2 is provided with a guide hole 6 for injecting the molding material into the mold cavity 5,
A sufficient amount of molding material 10 to fill the mold cavity 5 is fed into the mold cavity 5 by a pump 8 from a molding material storage tank 7 placed outside the mold. A member 9 made of a stretchable material is suspended within the closed mold 1. Material 9 has a male type 2 and a female type 3 at the periphery.
By being held between the male mold 2 and the female mold 3 in a slightly taut or slightly relaxed state, the molding material 10 can be expanded as it is fed into the mold cavity 5. is being done.
伸張性材料とは、外力が加えられた際に寸法が
伸び面積が拡張される材料のことであり、例えば
巻縮糸を使用した布地、多孔質ゴム等が適する。
雄型２と前記材９との間に前記成形材料が圧入
される。成形材料１０が圧入されるにつれて型内
に吊設されている材９は伸張し、雌型３の型面
全体に沿わせられる。 The extensible material is a material that expands in size and expands in area when an external force is applied to it, and suitable materials include, for example, cloth using crimped yarn, porous rubber, and the like.
The molding material is press-fitted between the male mold 2 and the material 9. As the molding material 10 is press-fitted, the material 9 suspended within the mold expands and is forced along the entire mold surface of the female mold 3.
次いで雌型３の外側から吸引して前記成形材料
１０に脱水を生じさせて賦型する。このため、雌
型３は吸引函１１の上方開口部から嵌込まれてお
り、吸引函１１内の空気は函外の吸引ポンプ１２
によつて、排気管１３を通じて吸引排出されて減
圧状態とされる。吸引により前記成形材料１０か
ら抜け出た水は水抜孔４から吸引函１１内に入り
込むが、一定量の水が吸引函１１内に溜ると吸引
函１１の適宜箇所に設けられた排水孔から排出さ
れる。又この吸引により成形材料１０の脱水の際
に、成形材料１０は雌型３方向にひきつけられ
る。そして材９が伸張性材料からなるものであ
るために、雌型３の型面に沿つて密着するに至
り、雌型３が複雑な形状の凹凸を有する場合にお
いても、材９の伸張性を利用して型面に沿つて
密着させることができ、成形材料１０を型窩５全
体に分布させることができる。 Next, suction is applied from the outside of the female mold 3 to cause dehydration of the molding material 10, and the molding material 10 is shaped. Therefore, the female mold 3 is fitted from the upper opening of the suction box 11, and the air inside the suction box 11 is pumped through the suction pump 12 outside the box.
As a result, the air is suctioned and discharged through the exhaust pipe 13 and is brought into a reduced pressure state. The water that has escaped from the molding material 10 due to suction enters the suction box 11 through the drain hole 4, but when a certain amount of water accumulates in the suction box 11, it is discharged from drainage holes provided at appropriate locations in the suction box 11. Ru. Also, due to this suction, when the molding material 10 is dehydrated, the molding material 10 is attracted toward the female mold 3. Since the material 9 is made of a stretchable material, it comes into close contact with the mold surface of the female die 3, and even when the female die 3 has a complicated shape, the stretchability of the material 9 is maintained. The molding material 10 can be closely applied along the mold surface, and the molding material 10 can be distributed throughout the mold cavity 5.
このようにして成形材料１０は脱水されて、水
硬反応に必要な程度の水分を含有する賦型物１４
となる。 In this way, the molding material 10 is dehydrated, and the molding material 14 contains moisture to the extent necessary for the hydraulic reaction.
becomes.
賦型物１４は成形用型１内において、例えば雄
型２を開いて賦型物１４を雌型３に入れたまま常
温下にもしくは養生室内に入れて硬化されてもよ
いし、又型外に取出されて常温下又もしくは養生
室内に入れて硬化されてもよい。 The molded material 14 may be cured in the mold 1, for example, with the male mold 2 opened and the molded material 14 placed in the female mold 3 at room temperature or in a curing chamber, or may be cured outside the mold. It may be taken out and cured at room temperature or in a curing chamber.
賦型物１４を雌型３に入れたまま硬化される場
合には、伸張性材料からなる材９は多孔質ゴム
のように硬化後の賦型物１４から剥離されやすい
材料からなるものを使用するのが好ましい。又賦
型物１４を型外に取出す場合には材９の周縁部
を持ち上げると、材９は伸張性材料からなるた
めに伸張した状態からの複元力を生じ、複雑な形
状の型面に沿つていた場合でも容易に型面から剥
すことができる。又材９は賦型物１４との接触
面においても、伸張した状態からの復元力により
容易に取剥すことができる。 When the molded material 14 is cured while being placed in the female mold 3, the extensible material 9 is made of a material that is easily peeled off from the molded material 14 after hardening, such as porous rubber. It is preferable to do so. In addition, when removing the molded product 14 from the mold, when the peripheral edge of the material 9 is lifted, since the material 9 is made of an extensible material, multiple forces are generated from the stretched state, and the mold surface has a complex shape. Even if it is along the mold, it can be easily peeled off from the mold surface. Also, the material 9 can be easily removed at the contact surface with the molded object 14 due to the restoring force from the stretched state.
本発明において成形材料１０からの脱水及び、
賦型に際して成型用型１に吸引力が付与される
が、従来のこの種方法におけるように高圧力での
加圧を必要としないので成型用型１は、必らずし
も金属で製されなくてもよく、例えば繊維補強樹
脂のような合成樹脂により製作により製作されて
いてもよい。 In the present invention, dehydration from the molding material 10 and
At the time of shaping, a suction force is applied to the mold 1, but since high pressure is not required as in conventional methods of this kind, the mold 1 is not necessarily made of metal. For example, it may be made of synthetic resin such as fiber-reinforced resin.
本発明方法によれば、成形材料の型窩内への圧
入に伴ない材を伸張させて複雑な形状の型面に
も沿わせることができ、成形材料を複雑な形状の
型窩内にも充分に行き渡らせることができる。又
賦型物を取出すに際しても材の周囲を持ち上げ
れば材の伸張状態からの復元によつて賦型物を
取出しやすく、又賦型物の表面からの材の取外
しも材の伸張状態からの復元力を利用して行な
うことができ、取外しが容易となるものである。
又、材は目詰りを生じやすく取換えを行なう必
要を生ずるが、賦型物を取外すと伸張状態から復
元するために型面から剥れているので、取換えを
容易に行ないうる。 According to the method of the present invention, as the molding material is press-fitted into the mold cavity, the material can be stretched to conform to the mold surface of a complex shape, and the molding material can also be inserted into the mold cavity of a complicated shape. It can be spread sufficiently. Also, when removing a shaped object, if you lift the periphery of the material, the material will recover from its stretched state, making it easier to take out the shaped object. This can be done by utilizing restoring force, making removal easy.
Further, the material is easily clogged and needs to be replaced, but when the molded material is removed, the material is peeled off from the mold surface in order to recover from the stretched state, so replacement can be easily performed.
実施例
第１図乃至第４図に示されるような成形用型１
を使用した。Example: Molding mold 1 as shown in FIGS. 1 to 4
It was used.
雄型２及び雌型３は繊維補強不飽和ポリエステ
ル樹脂によつて製作し、又型内に吊設される材
９は合成繊維からなる巻縮糸を使用した布を使用
し、周縁に金属線を取着けて雄型２と雌型３の閉
合せ面に挾みつけやすいようにし、やや張つた状
態に保持した。 The male mold 2 and the female mold 3 are made of fiber-reinforced unsaturated polyester resin, and the material 9 suspended in the mold is made of cloth using crimped yarn made of synthetic fibers, with metal wire around the periphery. was attached so that it could be easily sandwiched between the closing surfaces of the male mold 2 and female mold 3, and held in a slightly taut state.
貯槽７内に、ポルトランドセメント100重量
部、石綿繊維２５重量部、水500重量部からなる
成形材料１０を貯蔵槽７からスネーク式ポンプ８
の作動によつて導孔６を経て型窩５内に送給し、
雄型２と材９との間に２Kg／cm2の送入圧で圧入
し、材９を伸張させて雌型３の型面に沿わせ
た。ポンプ８の作動を停止させた後、水封式吸引
ポンプ１２を作動させて、―500mmHg圧迄吸引
し、成形材料１０に水硬反応に必要な程度の水量
に迄余剰水の脱水を生じさせて賦型した。次いで
雄型２を取外し賦型物１４を型外に取出した。こ
の際材９の周縁部を上方に持ち上げると、材
９は伸張状態からの復元力によつて雌型３の型面
から容易に剥すことができ、又賦型物１４から
材９の取外しも容易であつた。賦型物１４を常温
下に４周間をかけて養成し、硬化させた。かくし
て得られた成形物の曲げ強度は154Kg／cm2であ
り、機械的強度の良好な成形物が得られた。 A molding material 10 consisting of 100 parts by weight of Portland cement, 25 parts by weight of asbestos fiber, and 500 parts by weight of water is transferred from the storage tank 7 to a snake-type pump 8.
is fed into the mold cavity 5 through the guide hole 6 by the operation of the
The material 9 was press-fitted between the male mold 2 and the material 9 at a feeding pressure of 2 kg/cm 2 , and the material 9 was stretched to fit along the mold surface of the female mold 3 . After stopping the operation of the pump 8, the water ring type suction pump 12 is operated to suck up to -500 mmHg pressure, and the excess water is dehydrated to the amount of water necessary for the hydraulic reaction in the molding material 10. It was molded. Next, the male mold 2 was removed and the molded product 14 was taken out of the mold. At this time, if the peripheral edge of the material 9 is lifted upward, the material 9 can be easily peeled off from the mold surface of the female mold 3 due to the restoring force from the stretched state, and the material 9 can also be removed from the molded object 14. It was easy. The molded product 14 was cured at room temperature over four rounds to harden it. The bending strength of the molded product thus obtained was 154 Kg/cm 2 , and a molded product with good mechanical strength was obtained.
図面は本発明水硬性無機質成形物の製造方法の
工程を説明するものであり、第１図は型を閉じ成
形材料を型窩に圧入する前の状態を示す縦断面
図、第２図は成形用型内に成形材料を圧入して
材を伸張させている途上の縦断面図、第３図は賦
型状態を示す縦断面図、第４図は型から賦型物を
取外した状態を示す縦断面図である。
符号の説明、１……成型用型、２……雄型、３
……雌型、４……水抜孔、５……型窩、６……導
孔、７……貯蔵槽、８……ポンプ、９……材、
１０……成形材料、１１……吸引函、１２……吸
引ポンプ、１３……排気管。
The drawings are for explaining the steps of the method for producing a hydraulic inorganic molded article of the present invention, and FIG. 1 is a longitudinal sectional view showing the state before the mold is closed and the molding material is press-fitted into the mold cavity, and FIG. A vertical cross-sectional view of the molding material being press-fitted into the mold and the material being stretched, Figure 3 is a vertical cross-sectional view showing the molding state, and Figure 4 shows the molded object removed from the mold. FIG. Explanation of symbols, 1... Molding mold, 2... Male mold, 3
... Female mold, 4 ... Drain hole, 5 ... Mold cavity, 6 ... Guide hole, 7 ... Storage tank, 8 ... Pump, 9 ... Material,
10... Molding material, 11... Suction box, 12... Suction pump, 13... Exhaust pipe.
Claims (1)
ている他方の型からなり、閉合されている型内に
伸張材料からなる材を吊設しておき、前記一方
の型と材との間に水硬性無機質成形材料を圧入
し、材を伸張させて他方の型の型面に沿わせ、
他方の型の外側から吸引して前記成形材料に脱水
を生じさせて賦型し、賦型物を型内もしくは型外
において硬化させることを特徴とする水硬性無機
質成形物の製造方法。 ２ 一方の型が雄型であつて、他方の型が雌型で
あることを特徴とする。特許請求の範囲第１項記
載の水硬性無機質成形物製造方法。 ３ 材が、巻縮糸を使用した布からなる特許請
求の範囲第１項又は第２項記載の水硬性無機質成
形物の製造方法。 ４ 材が、多孔質ゴムからなる特許請求の範囲
第１項又は第２項記載の水硬性無機質成形物の製
造方法。 ５ 水硬性無機質成形材料が、セメント、石膏、
又は珪酸カルシウム形成材料を成分とするもので
ある。特許請求の範囲第１項から第４項のいずれ
か記載の水硬性無機質成形物の製造方法。[Scope of Claims] 1. Consisting of one mold and the other mold having a large number of drainage holes on the mold surface, a member made of an elongated material is suspended in the closed mold, and the above-mentioned A hydraulic inorganic molding material is press-fitted between one mold and the material, and the material is stretched to follow the mold surface of the other mold.
A method for producing a hydraulic inorganic molded product, characterized in that the molding material is dehydrated by suction from the outside of the other mold, and then molded, and the molded material is hardened inside or outside the mold. 2. One type is male and the other type is female. A method for producing a hydraulic inorganic molded article according to claim 1. 3. The method for producing a hydraulic inorganic molded article according to claim 1 or 2, wherein the material is a cloth using crimped yarn. 4. The method for producing a hydraulic inorganic molded article according to claim 1 or 2, wherein the material is made of porous rubber. 5 The hydraulic inorganic molding material is cement, gypsum,
Or it contains a calcium silicate forming material as a component. A method for producing a hydraulic inorganic molded article according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3364279A JPS55126407A (en) | 1979-03-22 | 1979-03-22 | Prepation of castable inorganic molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3364279A JPS55126407A (en) | 1979-03-22 | 1979-03-22 | Prepation of castable inorganic molding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55126407A JPS55126407A (en) | 1980-09-30 |
| JPS6151521B2 true JPS6151521B2 (en) | 1986-11-10 |
Family
ID=12392091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3364279A Granted JPS55126407A (en) | 1979-03-22 | 1979-03-22 | Prepation of castable inorganic molding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55126407A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6027503A (en) * | 1983-07-26 | 1985-02-12 | 株式会社九建 | Method and device for manufacturing concrete product |
-
1979
- 1979-03-22 JP JP3364279A patent/JPS55126407A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55126407A (en) | 1980-09-30 |
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