JPH02115688A - Flexible refractory packing material - Google Patents
Flexible refractory packing materialInfo
- Publication number
- JPH02115688A JPH02115688A JP26607588A JP26607588A JPH02115688A JP H02115688 A JPH02115688 A JP H02115688A JP 26607588 A JP26607588 A JP 26607588A JP 26607588 A JP26607588 A JP 26607588A JP H02115688 A JPH02115688 A JP H02115688A
- Authority
- JP
- Japan
- Prior art keywords
- pts
- packing material
- inorganic
- sugar liquid
- retentivity
- 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
- 239000000463 material Substances 0.000 title claims abstract description 33
- 238000012856 packing Methods 0.000 title claims abstract description 23
- 239000011230 binding agent Substances 0.000 claims abstract description 12
- 239000000835 fiber Substances 0.000 claims abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 5
- 239000012784 inorganic fiber Substances 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- CBCIHIVRDWLAME-UHFFFAOYSA-N hexanitrodiphenylamine Chemical compound [O-][N+](=O)C1=CC([N+](=O)[O-])=CC([N+]([O-])=O)=C1NC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O CBCIHIVRDWLAME-UHFFFAOYSA-N 0.000 claims description 3
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 3
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 abstract description 2
- -1 D-mannite Chemical compound 0.000 abstract description 2
- 235000012907 honey Nutrition 0.000 abstract description 2
- 235000013379 molasses Nutrition 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract 4
- FBPFZTCFMRRESA-UHFFFAOYSA-N hexane-1,2,3,4,5,6-hexol Chemical compound OCC(O)C(O)C(O)C(O)CO FBPFZTCFMRRESA-UHFFFAOYSA-N 0.000 abstract 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 abstract 1
- 239000008103 glucose Substances 0.000 abstract 1
- 235000001727 glucose Nutrition 0.000 abstract 1
- 238000003754 machining Methods 0.000 abstract 1
- 230000014759 maintenance of location Effects 0.000 description 12
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000004570 mortar (masonry) Substances 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 239000004927 clay Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- JLYXXMFPNIAWKQ-UHFFFAOYSA-N γ Benzene hexachloride Chemical compound ClC1C(Cl)C(Cl)C(Cl)C(Cl)C1Cl JLYXXMFPNIAWKQ-UHFFFAOYSA-N 0.000 description 2
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- FBPFZTCFMRRESA-GUCUJZIJSA-N galactitol Chemical compound OC[C@H](O)[C@@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-GUCUJZIJSA-N 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 235000010355 mannitol Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229960002920 sorbitol Drugs 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Landscapes
- Gasket Seals (AREA)
- Sealing Material Composition (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は可撓性且つ加圧収縮性を有する耐火１バツキン
グ材に関する。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a fireproof backing material that is flexible and shrinkable under pressure.
〈従来の技術〉
従来、製鋼、造塊工場において溶鋼流を調整するため、
ノズルストッパ一方式、スライドバルブ方式、浸漬ノズ
ル等が使用されている。<Conventional technology> Conventionally, in order to adjust the flow of molten steel in steel manufacturing and ingot factories,
One-way nozzle stopper type, slide valve type, immersion nozzle, etc. are used.
これら溶鋼流調整耐火構造体は各種耐火部材の組立構造
体として使用されている。These molten steel flow regulating fireproof structures are used as assembly structures for various fireproof members.
これら耐火部材の接合固定のため、従来より耐火モルタ
ルが使用されている。例えば溶鋼鍋、タンデイツシュ等
においてはスライドバルブ−ノズル間、或はスリーブ−
ストッパーヘッド間、およびストッパー上部と固定押え
れんが、ガス吹込式ストッパーではストッパー金物間に
耐火モルタルを塗布し、接合している。Refractory mortar has conventionally been used to join and fix these refractory members. For example, in molten steel ladle, tundish, etc., between the slide valve and the nozzle, or between the sleeve and
Refractory mortar is applied between the stopper heads, between the top of the stopper and the fixed presser brick, and between the stopper hardware in the case of gas-blown stoppers.
また本出願人は主原料に結合剤として合成樹脂エマルジ
ョンまたは／およびゴムラテックスを配合した可撓性か
つ、加圧収縮性を有する耐火性パッキングを提案した（
特公昭６１−１４１１１号公報）なお、前記可視度とは
ＡＳＴＭ ７４７に準する試験機で試料形状１００ Ｘ
４０ Ｘ １０ｎｍとし、１分間２ｋｇ荷重の可視度
（■）を示す（数値の大きい程可撓度が大である）。ま
た前記加圧収縮率とは、２ ｋｇ／ｄの荷重を掛けた場
合の厚さ寸法の収縮率を言う。The applicant has also proposed a fire-resistant packing that is flexible and shrinkable under pressure by blending synthetic resin emulsion and/or rubber latex as a binder with the main raw material (
(Japanese Patent Publication No. Sho 61-14111) Note that the above visibility refers to the visibility when the sample shape is 100
40 x 10 nm, and the visibility (■) of a load of 2 kg for 1 minute is shown (the larger the number, the greater the flexibility). Further, the term "pressure shrinkage rate" refers to the shrinkage rate in thickness when a load of 2 kg/d is applied.
〈発明が解決しようとする課題〉
従来のモルタル工法による接合の問題点は当業者に周知
の如く次のとおりである：
ｌ）施工が困難で作業性が悪い。<Problems to be Solved by the Invention> The problems of joining using the conventional mortar method are as follows, as is well known to those skilled in the art: l) Construction is difficult and workability is poor.
２）耐火モルタルの耐食性及び亀裂の発生によリ、空気
巻込みあるいは漏鋼事故を生じ易い。2) Due to the corrosion resistance of refractory mortar and the occurrence of cracks, air entrainment or steel leakage accidents are likely to occur.
３）気密性（焼結性）の良い耐火モルタルを使用してい
るため、使用後に耐火モルタルがノズルに焼付き新規に
ノズルを塗着する作業が煩雑である。3) Since refractory mortar with good airtightness (sinterability) is used, the refractory mortar seizes onto the nozzle after use, making it complicated to apply a new nozzle.
また合成樹脂エマルジョンを結合剤に用いる耐火パッキ
ングは予熱時の分解ガスによって作業環境は悪化する欠
点があり改良が要望されている。Furthermore, fireproof packing using a synthetic resin emulsion as a binder has the disadvantage that the working environment is deteriorated by decomposition gas during preheating, and improvements are desired.
本発明は上述の背景に基づきなされたものでありその目
的とするところは：
１）施工の作業性が良い
２）気密性が良く
３）使用後の焼付がない
可撓性耐火パッキング材を提供することである。The present invention has been made based on the above-mentioned background, and its objectives are to: 1) Provide a flexible fireproof packing material that has good workability in construction, 2) has good airtightness, and 3) does not seize after use. It is to be.
く課題を解決するための手段〉
本発明者らは可撓性耐火パッキング材の特性改良を試み
た結果本発明の開発に成功したものであり本発明の構成
は無機耐火物粉末と無機繊維および／または有機繊維の
１００重量部を主原料とし、これに結合剤として糖液５
〜１５重量部へキシット５〜３０重量部を配合してなる
ことを特徴とする可撓性耐火パッキング材にある。Means for Solving the Problems> The present inventors have succeeded in developing the present invention as a result of attempting to improve the characteristics of flexible fireproof packing materials. / or 100 parts by weight of organic fiber as the main raw material, and 5 parts of sugar solution as a binder.
A flexible fireproof packing material characterized by containing 5 to 30 parts by weight of hexit to 15 parts by weight.
本発明の特徴とするところは結合剤として糖液とへキシ
ットを使用する点にあり、該結合剤の使用により保形性
と保湿性を維持し施工作業性の良好な可撓性耐火パッキ
ング材を得ることができたものである。The present invention is characterized by the use of sugar solution and hexit as binders, and by using the binders, a flexible fireproof packing material that maintains shape retention and moisture retention and has good workability. This is what I was able to obtain.
本発明において使用される無機耐火物粉末としては、通
常耐火物に使用されるマグネシア、アルミナ、シリカ、
粘土、カーボン等の無機耐火物粉末を使用することがで
きる。The inorganic refractory powder used in the present invention includes magnesia, alumina, silica, which is usually used for refractories,
Inorganic refractory powders such as clay and carbon can be used.
本発明において使用される繊維原料としては無機繊維を
単独に、あるいは有機繊維を単独にまたは両者を一緒に
使用することができ、無機繊維としてはスラグウール、
石綿、ガラス繊維、セラミックファイバー等を挙げるこ
とができ、有機繊維としては木材パルプ、麻糸、綿くず
、合成繊維、くず等を挙げることが、できる。無機繊維
および有機繊維の長さは１０ｍｍ未満であることが混練
時の分散上望ましい。As the fiber raw material used in the present invention, inorganic fibers can be used alone, organic fibers can be used alone, or both can be used together. Examples of inorganic fibers include slag wool,
Examples of the organic fiber include asbestos, glass fiber, and ceramic fiber. Examples of the organic fiber include wood pulp, hemp thread, cotton waste, synthetic fiber, and waste. It is desirable for the length of the inorganic fibers and organic fibers to be less than 10 mm for dispersion during kneading.
無機繊維は常温時および中間温度の強度を与える作用が
あるが、該パッキング材の耐食性を低下させるのでその
添加量は３０重量部以下とするのが好ましい。Inorganic fibers have the effect of imparting strength at room and intermediate temperatures, but since they reduce the corrosion resistance of the packing material, the amount added is preferably 30 parts by weight or less.
有機繊維は常温時の強度およびパッキング材に保形性を
与え使用時の燃焼によって気孔が増加し、断熱性を向上
する作用がある。その添加量は５重量部以下が好ましく
５重量部を超えると使用時の燃焼によって気孔を作り気
密性が低下し、また組織が脆弱化する等の欠点が生ずる
。Organic fibers provide strength at room temperature and shape retention to the packing material, and when used, burn up to increase pores and improve heat insulation. The amount added is preferably 5 parts by weight or less, and if it exceeds 5 parts by weight, pores are formed due to combustion during use, resulting in a decrease in airtightness and weakening of the structure.
結合剤として使用する糖液としては糖密、水あめ、ハチ
ミツ等を１種または２種以上を混合して使用することが
できる。その添加量は目標の保形性、加圧収縮性によっ
て主原料１００重量部に対して５〜１５重量部である。As the sugar solution used as a binder, molasses, starch syrup, honey, etc. can be used alone or in combination of two or more. The amount added is 5 to 15 parts by weight based on 100 parts by weight of the main raw material, depending on the target shape retention and pressure shrinkability.
糖液の添加量は多いほど可塑性が増加し可撓性を増すが
、５重量部未満の時は加圧収縮性が充分でなく、該パッ
キング材の気密性が得られない。The larger the amount of sugar solution added, the greater the plasticity and flexibility, but if it is less than 5 parts by weight, the shrinkability under pressure will not be sufficient and the packing material will not be airtight.
また１５重量部を超えるとパッキング材の保形性が悪く
、施工作業も困難となる。またもう１種の結合剤として
使用するヘキシットとしては六価アルコールのＤ−ソル
ビット、Ｄ−マンニット、ズルシット等を１種または２
種以上を混合して使用す部である５重量部未満ではパッ
キング材の保湿性が悪く亀裂が発生することもある。ま
た３０重量部を越えるとパッキング材の保形性が悪くそ
して施工後昇温、受鋼時に結合剤消失によるパッキング
材組織が脆弱化する等の欠点が発生する。Moreover, if it exceeds 15 parts by weight, the shape retention of the packing material will be poor and construction work will be difficult. As another type of hexite used as a binder, one or two hexahydric alcohols such as D-sorbitol, D-mannitol, and dulcitol are used.
If the amount used is less than 5 parts by weight, the packing material may have poor moisture retention properties and cracks may occur. If the amount exceeds 30 parts by weight, the packing material will have poor shape retention, and the structure of the packing material will become brittle due to temperature rise after construction and loss of binder during steel receiving.
なおヘキシットは水溶液として添加することもできる。Note that hexite can also be added as an aqueous solution.
また高温の強度を保持させるために小量の無機質の結合
剤、例えば水ガラス、硼酸塩、リン酸塩等を併用するこ
とも可能である。It is also possible to use a small amount of an inorganic binder, such as water glass, borate, phosphate, etc., in order to maintain the strength at high temperatures.
本発明の可撓性耐火パッキング材は上記配合物を通常の
オ、−ガー成形あるいは所定形状の枠に練土を入れロー
ラーによって練土表面を整形するローラー成形等によっ
て得られる。The flexible fire-resistant packing material of the present invention can be obtained by molding the above-mentioned compound by conventional o-ger molding, or by roller molding in which clay is placed in a frame of a predetermined shape and the surface of the clay is shaped with a roller.
可撓性耐火パッキング材の厚さは２〜２０ｍｍが好適で
ある。The thickness of the flexible fireproof packing material is preferably 2 to 20 mm.
加圧収縮性は装着圧力および熱応力に対し、１０〜８０
％が望ましい、しかしながら使用現場の耐火物の形状、
サイズその他の操業条件に応じて適宜選定しうるちので
ある。Pressure shrinkage is 10 to 80 against mounting pressure and thermal stress.
% is desirable, however, the shape of the refractory at the site of use,
The material is selected as appropriate depending on the size and other operating conditions.
可撓性耐火パッキング材はそのまま耐火物間の接合部に
嵌合して使用しうるが、離形祇、ポリエチレン、ビニー
ルを貼付して保管、組立、作業性を向上させることがで
きる。The flexible fireproof packing material can be used as it is by fitting into joints between refractories, but it can also be pasted with removable material, polyethylene, or vinyl to improve storage, assembly, and workability.
以下に実施例を挙げて本発明の可撓性耐火ツマ・ンキン
グ材を更に説明する。The flexible fireproof knob and binding material of the present invention will be further explained below with reference to Examples.
１隻Ｍよ
下記第１表に記載する配合物をノ＼イスピードミキサー
で混練した練土をローラー成形しツマ・ンキング材を得
た。得られたパ・ンキング材・の緒特性を第１表に併記
する。第１表から明らかな如く、比較品１は加工収縮性
、可撓性は本発明品に近似のものであるが、保湿性が悪
く、比較品２は保湿性は良好であるが、加圧収縮性、可
撓性が劣る。1 ship M The mixture shown in Table 1 below was kneaded using a noisy speed mixer, and the clay was roller-molded to obtain a tsuma-king material. The properties of the obtained punching material and cord are also listed in Table 1. As is clear from Table 1, Comparative Product 1 has processing shrinkage and flexibility similar to the product of the present invention, but its moisture retention is poor, and Comparative Product 2 has good moisture retention, but under pressure Poor contractility and flexibility.
傘２ ： ＡＳＴＭ ７４７に準する試験機で試料形状
１００Ｘ４０Ｘ１−とし１分間２ ｋｇ／ｃｆｆｌの可
撓度Ｉｌ／Ｉｍを示す。Umbrella 2: Using a testing machine conforming to ASTM 747, the sample shape was 100 x 40 x 1- and exhibited a flexibility Il/Im of 2 kg/cffl for 1 minute.
実ＪＬ［津１
タンデイツシュノズルと浸漬ノズルの間に１５０φ×７
０φＸ８ｍ／ｍの本発明品２を使用したが嵌合施工性も
良くさらに予熱時の悪臭もなくエアーシールも良好であ
った。Real JL [Tsu 1 150φ x 7 between tandate nozzle and immersion nozzle
Inventive product 2 of 0 φ x 8 m/m was used, and the fit and workability was good, and there was no bad odor during preheating, and the air seal was also good.
〈発明の効果〉
本発明の可撓性耐火パッキング材は従来の耐火パッキン
グ材に比べ
・保形性、保湿性も良く保管中にキレッ発生がなく良好
な施工作業性を保持できる。<Effects of the Invention> Compared to conventional fireproof packing materials, the flexible fireproof packing material of the present invention has better shape retention and moisture retention properties, and can maintain good construction workability without causing sharpness during storage.
・予熱時の分解ガスによる悪臭がない。・There is no bad odor caused by decomposed gas during preheating.
・保形性については、長期間の保管が確保できる。- Regarding shape retention, long-term storage can be ensured.
・シール性が良好で、使用後の焼付がなく簡単に処理が
できる。・Good sealing properties, no burning after use, and easy disposal.
Claims (1)
００重量部を主原料としこれに結合剤として糖液５〜１
５重量部、ヘキシット５〜３０重量部を添加してなるこ
とを特徴とする可撓性耐火パッキング材Inorganic refractory powder and inorganic fiber and/or organic fiber 1
00 parts by weight as the main raw material and 5 to 1 parts of sugar solution as a binder.
A flexible fireproof packing material characterized by adding 5 parts by weight and 5 to 30 parts by weight of hexite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26607588A JPH02115688A (en) | 1988-10-24 | 1988-10-24 | Flexible refractory packing material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26607588A JPH02115688A (en) | 1988-10-24 | 1988-10-24 | Flexible refractory packing material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02115688A true JPH02115688A (en) | 1990-04-27 |
| JPH0520472B2 JPH0520472B2 (en) | 1993-03-19 |
Family
ID=17426005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26607588A Granted JPH02115688A (en) | 1988-10-24 | 1988-10-24 | Flexible refractory packing material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02115688A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014006991A1 (en) * | 2012-07-06 | 2014-01-09 | 日本碍子株式会社 | Mortar |
-
1988
- 1988-10-24 JP JP26607588A patent/JPH02115688A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014006991A1 (en) * | 2012-07-06 | 2014-01-09 | 日本碍子株式会社 | Mortar |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0520472B2 (en) | 1993-03-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |