摘要:
A wire electrode supplying device in a wire cut electric discharge machining apparatus, which is capable of automatically supplying a wire electrode with accuracy during an automatic machining operation. In the wire electrode supplying device according to the present invention, an outside diameter of a pipe guide into which the wire electrode is inserted is changed stepwise, and its one end portion is made minimum in outside diameter so that the one end portion is allowed to be inserted into a machining start hole formed in a workpiece to be machined. Therefore, in machining a workpiece having a machining start hole small in diameter, the feeding of the wire electrode can be automatically, stably and accurately achieved.
摘要:
A wire with a coated layer for bonding to a joint body by ultrasonic vibration, the coated layer of said wire comprising urethane resin having formulated therein a brominated epoxy resin.
摘要:
A composition for the surface treatment of rubber is disclosed which comprises (A) a diorganopolysiloxane capped with a triorganosiloxy group at one end and a hydroxyl or alkoxy group at the other end; (B) at least one compound selected from organotrialkoxysilanes, organotriacyloxysilanes, organotrioximesilanes or tetraalkyl silicates; and (C) a condensation-reaction catalyst. The composition imparts durable release and lubrication properties to rubber bladders used in the manufacture of tires.
摘要:
A hair rinse composition having improved rinsing performance and a process specified to prepare the same.The composition according to the invention comprises (A) 0.05 to 0.5 wt % of cationic surface active agent, and (B) a higher alcohol or a glycerine mono fatty acid ester having a melting point not lower than 45.degree. C. The ingredient (B) should be contained in an amount of 3 to 15 times by weight to ingredient (A).The composition is prepared by diluting a highly concentrated emulsified product containing 0.4 to 34 wt % of ingredient (A) and (B) in total with 1 to 20 times by weight to the emulsified product of water.
摘要:
A wire electrode type electric discharge machining apparatus comprising a control means for controlling an interelectrode gap between a wire electrode and a workpiece to be machined to correct for a change which is caused by a change in the amount of machining removal at a corner. The machining accuracy of the wire electrode type electric discharge machining apparatus is remarkably improved.
摘要:
Novel hair cosmetic compositions comprising from 0.01 to 10% by weight of a particulate polymer having a weight average diameter of from 0.005 to 0.2 .mu.m, said particulate polymer has a particle size distribution of such that the particles ranging from 0.005 to 0.2 .mu.m in diameter are contained over 95% by weight and has a glass transition temperature, Tg, of over 300.degree. K. As the particulate polymer, polymer latex such as polystyrene latex, vinyl homopolymer latex, polyurethane latex, epoxy resin latex and the like are preferably used.The hair cosmetic compositions provide excellent hair style-forming/retaining property, good combing performance and good feeling of the treated hair. Further, they are free from easy separation which is inevitable for conventional compositions containing inorganic powder such as talc, mica and titanium.
摘要:
A high-frequency induction system can generally be achieved by detecting noise superimposed on AC power supply which might induce voltages exceeding the given break-down voltage of a switching device and in such cases by temporarily shutting off the power supply to the induction heating system. To implement this, a high-frequency induction heating system, according to the invention, is provided with a noise detector circuit connected to the output terminal of a rectifying circuit rectifying said input AC voltage. The noise detector is designed to detect noise pulses superimposed on an input AC voltage. The induction heating system of the present invention also includes means for disabling a switching device. The disabling means responds to detection of a noise pulse by the noise detector by disabling the switching device and whereby protects the circuit of the induction heating system.
摘要:
Coating compositions for optical communication glass fiber which have improved toughness and release characteristics is made from an organopolysiloxane having vinyl and 20 to 50 mole percent phenyl radical, a polysiloxane having dimethylvinyl-siloxane units and SiO.sub.2 units, an organohydrogenpolysiloxane, and a platinum catalyst.
摘要:
In addition to an information signal subjected to a frequency dependent and a frequency independent loss component and delivered to an automatic equalizer through a transmission path which is typically a subscriber's communication path between a subscriber's terminal equipment and an exchange, an equalizer input signal comprises a pilot signal subjected to the frequency independent loss component alone. The equalizer comprises a first equalizer (26, 27, 36) responsive to a pilot signal component derived from the pilot signal for compensating for the frequency independent loss component. A second equalizer (31, 32, 37) compensates for the frequency dependent loss component in response to an information signal component derived from the information signal. The first and the second equalizers are cooperative in various manners in equalizing the input signal into an equalizer output signal. The pilot and the information signal components are extracted either directly or indirectly from the input signal. The output signal is fed back to a frequency dependent component detector (31) either directly or indirectly.
摘要:
A single phase, full wave diode bridge circuit is connected with a chopper on its DC output side. An output voltage of the chopper is smoothed by a smoothing capacitor and thereafter supplied for a load. A current control apparatus forms a current reference signal which is synchronized with an AC voltage applied to the bridge circuit and has a magnitude corresponding to a current flowing through the load and produces a deviation signal between the current reference signal and an actual AC input current of the bridge circuit. The chopper is controlled in accordance with the deviation signal so that the AC input current follows the current reference signal, whereby the power factor and the waveform of the AC input current in the bridge circuit are improved.