摘要:
A refractory material for repairing blast furnaces, which is composed of 100 parts by weight of a base material chiefly consisting of at least one powdery refractory material selected from the group consisting of SiO.sub.2, Al.sub.2 O.sub.3, MgO, Cr.sub.2 O.sub.3, ZrO.sub.3, CaO and FeO.sub.2 and containing, if necessary, 0.5 to 5.0 parts by weight of iron ore powder, fibrous metal or inorganic substance, 4 to 40 parts by weight of a bituminous material consisting of a petroleum pitch or coal tar pitch in the solid, or liquid phase with a softening point ranging from 70 to 250.degree. C, and 10 to 35 parts by weight of a liquid oil consisting of a mineral oil, fish oil or vegetable oil and containing, if necessary, 0.1 to 10 parts by weight of a thermosetting synthetic resin, thermosoftening synthetic resin or natural resin.
摘要翻译:一种用于修理高炉的耐火材料,其由100重量份的主要由选自由SiO 2,Al 2 O 3,MgO,Cr 2 O 3,ZrO 3,CaO和FeO 2组成的组中的至少一种粉末状耐火材料组成的基材组成,并且含有 如果需要,0.5至5.0重量份的铁矿石粉末,纤维金属或无机物质,4至40重量份由固体中的石油沥青或煤焦油沥青组成的沥青材料或软化液相 点为70〜250℃,10〜35重量份由矿物油,鱼油或植物油组成的液体油,如果需要,含有0.1〜10重量份的热固性合成树脂,热软化 合成树脂或天然树脂。
摘要:
A thermistor element for temperature measurement has a thermistor chip in wafer form and thin film electrodes formed on respective principal surfaces of the thermistor chip. The thin film electrodes are formed by evaporation. Lead wires are adhered to the thin film electrodes with heat-resisting conductive material. The assembled members are sealed with glass. The electrodes may be made of two-layer films.
摘要:
A number of embodiments of wheel locks for vehicle wheels having an opening are disclosed. In each embodiment, the lock includes a plurality of pivotally connected elongated members having end members that are provided with a locking means for locking them together. As a result, the lock can be inserted through the wheel and around a fixed object and locked like a chain. Various embodiments are disclosed for protecting the pivot pins of the pivotal connections from attack and for restraining the pivotal movement of the elongated members. In some embodiments, the pivotal movement is restrained by placing a frictional drag on the components so that the elements cannot freely pivot. In other embodiments the degree of pivotal movement in one direction is limited more than in another direction so that the lock can only be installed in the correct relationship.
摘要:
A beam processing apparatus is provided in which a beam is irradiated to a layer 3 to be processed which is formed on one surface of a substrate 2, thereby to process the layer. The apparatus has a gas floating mechanism 10 that supports the substrate in flatly-floated state by ejecting gas, and a beam irradiation unit 50 that irradiates a beam to the layer 3 which is formed on one surface of the substrate 2, thereby to process the layer 3. The substrate 2 is arranged on the gas floating mechanism 10 with one surface of the substrate 2 on which the layer 3 is formed being directed downwards. Then, processing is applied to the layer 3 by irradiating a beam on the layer 3 through the substrate 2 by means of the beam irradiation unit 50 from above the other surface of the substrate 2.
摘要:
Tuyeres for a blast furnace are disclosed wherein a coating is formed on the inner and outer peripherential surfaces of the tuyere body by subjecting the surfaces to a calorizing treatment to diffuse a diffusion agent comprising a powdery mixture of alumina and aluminum at a treating temperature of about 800.degree. C. The tuyere body is shaped so as to form an inner jacket, and the walls of the tuyere body forming the inner jacket may also be subjected to a calorizing treatment.
摘要:
In a body frame for a motorcycle mounted with an engine unit 11 and provided with a main frame 2a by which a front fork 4 and rear arms 7 are supported, the main frame 2a includes: a head pipe unit 20 which extends obliquely downward to a rear of a vehicle from a head pipe 3 and so as to expand in a vertical direction; a down frame 21 which is connected to a front part at lower end of the head pipe unit 20; and left and right rear arm brackets 10 which are stretched and connected to a rear end of the down frame 21 and a rear part at lower end of the head pipe unit 20, and the head pipe unit 20 is an aluminum die-cast molded product, and the down frame 21 and the left and right rear arm brackets 10 are aluminum forged molded products.