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1.发明授权Method and apparatus for melting frits for inorganic oxidic surface coatings by electric resistance heating 失效通过电阻加热熔化无机氧化物表面涂层的玻璃料的方法和设备
公开(公告)号：US4246432A
公开(公告)日：1981-01-20
申请号：US960335
申请日：1978-11-13
申请人： Hans Rinkes , Werner Joseph
发明人： Hans Rinkes , Werner Joseph
摘要： An electric furnace for the continuous melting of frits for inorganic oxidic surface coatings, comprising a substantially rectangular melting chamber, a working chamber separated from the melting chamber by an immersion dam, means for the introduction of raw materials to the melting chamber, and electrodes within the melting chamber for the transmission of electrical energy to the melt, the ratio of the effective electrode surface area to the area of the bottom of the melting chamber being less than about 0.1. Advantageously the supply of energy to the electrodes is regulated by supplying a constant current with a constant output stream, the surface of the melt is covered with about 1 to 10 mm of unmelted frit, the average dwell time of the melt in the furnace is from about 3 to 6 hours, the frit is free from nitrates, the melt is about 5 to 20 cm deep and the frit is introduced thereto from a height at least 50 cm above the level of the melt.
摘要翻译： 一种用于无机氧化物表面涂层的玻璃料的连续熔化的电炉，包括基本为矩形的熔融室，通过浸渍坝与熔化室分离的工作室，用于将原料引入熔化室的装置， 用于将电能传输到熔体的熔化室，有效电极表面积与熔化室底部面积的比值小于约0.1。 有利的是，通过用恒定的输出流提供恒定电流来调节向电极的能量供应，熔体的表面被约1至10mm的未熔化玻璃料覆盖，熔体在炉中的平均停留时间来自 约3至6小时，玻璃料不含硝酸盐，熔体约5至20厘米深，玻璃料从熔体高度至少50厘米的高度引入玻璃料。
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公开(公告)号：US4847218A
公开(公告)日：1989-07-11
申请号：US167222
申请日：1988-03-11
摘要： An enamel frit which provides improved bonding at stoving temperatures below 800.degree. C. after the frit has been stoved on unalloyed steel which is capable of being enamelled, the frit containing 1 to 6% by weight, based on the total quantity of the frit, of bonding oxides and the other constituents so chosen that the following equation is fulfilled: ##EQU1## in which the deviation from the ratio 1:1:1 is at most .+-.8% for each of the monovalent atoms, divalent atoms and pentavalent atoms.The enamel frits according to the invention being useful for electrostatic powder application.
摘要翻译： 一种搪瓷玻璃料，其在烘烤温度低于800℃时，在玻璃料已经被烧结在能够被搪瓷的非合金钢上，其提供了基于玻璃料总量的1至6重量％的玻璃料， 键合氧化物和其他成分如此选择，使得满足以下等式：SIGMA单价原子+2个SIGMA二价原子 - SIGMA氟原子 - SIGMA五价原子= SIGMA三价原子= SIGMA四价原子，其中偏离比例1： 对于每个一价原子，二价原子和五价原子，1：1为至多+/- 8％。 根据本发明的釉料玻璃料可用于静电粉末涂覆。
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公开(公告)号：US4659586A
公开(公告)日：1987-04-21
申请号：US787834
申请日：1985-10-16
CPC分类号： B05D1/06 , C23D5/04 , B05D2202/00
摘要： In the electrostatic spraying on metal substrates of mixtures of different inorganic powders which differ in density, particle size and electrical resistance, the improvement which comprises first forming uniform agglomerates as the different powders, and then spraying the uniform agglomerates. This prevents color variation due to separation of different powders.
摘要翻译： 在对密度，粒度和电阻不同的不同无机粉末的混合物的金属基材上进行静电喷涂，其改进包括首先形成作为不同粉末的均匀凝聚体，然后喷涂均匀的附聚物。 这可以防止由于不同粉末的分离引起的颜色变化。
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公开(公告)号：US5145804A
公开(公告)日：1992-09-08
申请号：US132976
申请日：1987-12-15
摘要： Enamel frit powder for electrostatic application with a surface resistance greater than 10.sup.16 ohms containing alkaline oxides and alkaline oxides wherein the weight ratio of the alkaline oxides Na.sub.2 O:K.sub.2 O and the weight ratio of the alkaline earth oxides CaO:BaO is each about 1:1, containing______________________________________ % by weight ______________________________________ SiO.sub.2 36-40 Al.sub.2 O.sub.3 0-4 B.sub.2 O.sub.3 12-16 Na.sub.2 O 7-9 K.sub.2 O 7-9 ZrO.sub.2 5-10 CaO 4-6 BaO 4-6 P.sub.2 O.sub.5 0-1 CoO 1 NiO 2 MnO 0-2 CuO 0-2 F 0.1. ______________________________________
摘要翻译： 表面电阻大于1016欧姆的含有碱性氧化物和碱性氧化物的静电应用的搪瓷粉末粉末，其中碱式氧化物Na 2 O:K 2 O的重量比和碱土金属氧化物CaO：BaO的重量比分别为约1:1， 含量 - 重量％-SiO2 36-40 -Al2O3 0-4 -B2O3 12-16 -Na2O 7-9-K2O 7-9 -ZrO2 5-10 -CaO 4-6 -BaO 4-6 -P2O5 0-1 -CoO 1 -NiO 2 -MnO 0-2 -CuO 0-2 -F 0.1。 -
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公开(公告)号：US4265929A
公开(公告)日：1981-05-05
申请号：US96368
申请日：1979-11-21
申请人： Gebhard Wagner , Werner Joseph
发明人： Gebhard Wagner , Werner Joseph
CPC分类号： C23D5/04 , C03C8/02 , C03C8/04 , C03C8/06 , C03C2207/02 , C03C2207/04
摘要： In a two-layer enamelling process in which the ground coat and surface coat powders are electrostatically applied to metallic substrates and subsequently baked together, the improvement which comprises employing a ground coat powder having an electrical resistivity of about 10.sup.10 to 10.sup.14 ohm. cm and a surface coat powder having an electrical resistivity of about 10.sup.14 to 10.sup.16 ohm. cm. Advantageously the surface tension of the ground coat amounts to at least about 0.280 N/m and the surface tension of the surface coat to at most about 0.260 N/m, the difference between the surface tensions of the ground coat and surface amounts to at least about 0.050 N/m, the ground coat powder has an electrical resistivity 10.sup.12 to 10.sup.14 ohm. cm and at least about 10.sup.2 ohm. cm lower than that of the surface coat powder, the ground coat powder contains at least one of an alkaline earth metal, zinc, manganese or iron oxide in a total concentration of about 20 to 30% by weight, the zinc oxide content not exceeding about 12% by weight and the manganese oxide plus iron oxide content not exceeding about 9% by weight, about 3 to 5% by weight of finely divided iron oxide is added to the ground coat powder before adjustment of its electrical resistivity, and the ground coat powder is applied in such a quantity that, after baking, the ground coat has a layer thickness of about 0.02 to 0.03 mm.
摘要翻译： 在其中将地面涂层和表面涂层粉末静电施加到金属基底上并随后烘烤在一起的两层搪瓷方法中，其改进包括使用电阻率为约1010至1014欧姆的底涂粉末。 cm和表面涂层粉末，其电阻率为约1014至1016欧姆。 厘米。 有利地，地面涂层的表面张力至少为约0.280N / m，表面涂层的表面张力至多为约0.260N / m，底涂层和表面的表面张力之间的差异至少等于 约0.050N / m，底涂层粉末的电阻率为1012至1014欧姆。 cm至少约102欧姆。 cm以下，底涂粉末含有总量为20〜30重量％的碱土金属，锌，锰或氧化铁中的至少一种，氧化锌含量不超过约 12重量％，氧化锰加氧化铁含量不超过约9重量％，约3-5重量％的细碎铁氧化物在调节其电阻率之前加入到底漆中，并将研磨的涂层 粉末的施加量使得在烘烤后，底涂层的层厚度为约0.02至0.03mm。
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公开(公告)号：US4713530A
公开(公告)日：1987-12-15
申请号：US912446
申请日：1986-09-26
摘要： A panel heating element comprising (a) a metal substrate, (b) an aluminum boron-silicate insulating glass which forms a coating on the metal substrate, (c) one or more metallic resistance tracks applied to the substrate and (d) a mixture of a zirconium phosphate glass and a boron-titanium enamel which is applied as a layer over the metallic resistance tracks.
摘要翻译： 一种面板加热元件，包括（a）金属基底，（b）在所述金属基底上形成涂层的铝硼硅酸盐绝缘玻璃，（c）施加到所述基底上的一个或多个金属电阻轨迹和（d）混合物 的磷酸锆玻璃和硼钛搪瓷，其以金属电阻轨道上的层施加。
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7.发明授权
公开(公告)号：US5075263A
公开(公告)日：1991-12-24
申请号：US631210
申请日：1990-12-21
CPC分类号： C23D5/00 , C03C8/06 , C03C2207/04
摘要： An enamel frit for producing an acid-resistant enamelled steel in a single coating comprising at least about 40% of silicon atoms, 50% of silicon atoms and boron atoms, where the proportion of the boron atoms should not fall below 6.5%, 63% of silicon atoms, boron atoms and sodium atoms, where the proportion of the sodium atoms should not fall below 7.5%, each relative to the overall total of the non-oxygen atoms in the frit, the proportion of the remaining non-oxygen atoms being less than about 37%, and 1.0 to 1.2% of cobalt atoms. In addition, there are (1) x fluorine atoms with 1%.ltoreq.x.ltoreq.11% and at least y lithium atoms and at most 2y lithium atoms with y=(15/x)+5 being present, the proportion of lithium atoms being from about 6.3% to 20% relative to the overall total of the non-oxygen atoms in the frit, or (2) y lithium atoms with 6.3%
摘要翻译： 一种用于在单个涂层中生产耐酸漆漆钢的搪瓷玻璃料，其包含至少约40％的硅原子，50％的硅原子和硼原子，其中硼原子的比例不应低于6.5％，63％ 的硅原子，硼原子和钠原子，其中钠原子的比例不应低于7.5％，各自相对于玻璃料中非氧原子的总总量，剩余的非氧原子的比例为 小于约37％，和1.0-1.2％的钴原子。 此外，存在（1）x原子，其中存在1％≤x≤11％且至少y个锂原子和至多2个具有y =（15 / x）+ 5的锂原子的x原子，比例 的锂原子相对于玻璃料中的非氧原子的总总量为约6.3％至20％，或（2）y具有6.3％
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公开(公告)号：US5013362A
公开(公告)日：1991-05-07
申请号：US512565
申请日：1990-04-23
CPC分类号： C03C8/08 , C04B35/481
摘要： Fluorine-free titanium white enamel frits for enamelling steel consisting essentially of:35 to 45 parts by weight of the sum of SiO.sub.2 and ZrO.sub.2,18 to 22 parts by weight of TiO.sub.2,18 to 22 parts by weight of the sum of B.sub.2 O.sub.3 and Al.sub.2 O.sub.3,15 to 18 parts by weight of alkali metal oxides,2.5 to 4.5 parts by weight of P.sub.2 O.sub.5, and0.8 to 1.4 parts by weight alkaline earth metal oxides;with the proviso that the ratio of atomic numbers is as follows:(A+2B) to C is 0.9.+-.0.05,(lithium+0.5 magnesium) to phosphorous is 1.+-.0.1, and sodium to potassium is 1.2 to 2.6,wherein A is the sum of monovalent atoms, B is the sum of divalent atoms and C is the sum of trivalent atoms.
摘要翻译： 用于搪瓷钢的无氟钛白釉料玻璃料基本上由以下组成：35至45重量份的SiO 2和ZrO 2之和，18至22重量份的TiO 2，18至22重量份的B 2 O 3和Al 2 O 3的总和 ，15〜18重量份的碱金属氧化物，2.5〜4.5重量份的P 2 O 5和0.8〜1.4重量份的碱土金属氧化物; 条件是原子序数的比例如下：（A + 2B）至C为0.9 +/- 0.05，（磷+锂）为1 +/- 0.1，钠与钾的比例为1.2至2.6 其中A是一价原子的总和，B是二价原子的和，C是三价原子的总和。
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公开(公告)号：US4689271A
公开(公告)日：1987-08-25
申请号：US759015
申请日：1985-07-25
摘要： The present invention relates to metal substrates which are coated with electrically insulating layers whose electrical resistance has a low temperature dependence, the insulating layer on said metal substrates consisting essentially of a melted-on material containing 43-47% by weight of B.sub.2 O.sub.3, 29-33% by weight of CaO, 10-15% by weight of SiO.sub.2, 7-10% by weight of Al.sub.2 O.sub.3 and 1-2% by weight of MgO.
摘要翻译： 本发明涉及涂覆有电阻低的温度依赖性的电绝缘层的金属基材，所述金属基材上的绝缘层基本上由熔融的材料组成，该熔融材料含有43-47重量％的B 2 O 3， CaO，33重量％的CaO，10〜15重量％的SiO 2，7〜10重量％的Al 2 O 3和1〜2重量％的MgO。
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