Abstract: A hand-held depilating device capable of masking the pain of plucking the hairs. A plucking head has a plurality of pinching elements which arrange along a horizontal axis in a closely adjacent relation and are driven to close and open gaps between the pinching elements for pinching the hairs between the adjacent elements and release the hairs therefrom. A cycler or turning mechanism is included to cyclically move the plucking head in a direction crossing with the horizontal axis so as to define, in combination with the movement of closing and opening the pinching elements, repeated depilating cycles of introducing the hairs between the adjacent pinching elements, pinching the hairs therebetween, plucking the hairs from the skin, and releasing the hairs from between the pinching elements. Mounted to the top of the housing adjacent to the plucking head is a simulator which applies stimuli to the skin independently of the plucking head.

Abstract: A hand-held depilating device capable of masking the pain of plucking the hairs through psychological effect. The depilating device comprises housing adapted to be grasped by the hand of the user and a plucking head mounted on top of the housing for plucking the hairs from the skin. Stimulator is mounted on top of the housing adjacent to the plucking head for providing mechanical stimuli to the skin while the plucking head operates to pluck the hairs. The stimulator comprises a vibrator which provides vibrations to the skin as the mechanical stimuli which act on sense receptors other than nociceptors that respond to pain, thereby masking the pain caused by plucking the hairs or received at the nociceptors. That is, the mechanical stimuli caused by the vibrations can activate Meissner's corpuscle or Pacinian corpuscle to make indistinct to the pain as demonstrated by a gate-control theory in psychology.

Abstract: A reciprocatory dry shaver is capable of providing a drive point of transmitting a reciprocating force to an inner cutter from a drive element at a location as close as to a cutting edge of the inner cutter for enhancing cutting performance, yet making the use of a plastic made drive element to give a detachable connection with the inner cutter. The shaver comprises a housing incorporating a drive source which is connected to move a drive element projecting on top of the housing. An outer cutter is supported to the top of the housing. An inner cutter is detachably connected to the drive element and is driven thereby to reciprocate in hair shearing engagement with the outer cutter. The drive element comprises a stud and a pin which projects beyond the upper end of the stud. The inner cutter is formed with a joint for detachable connection to the stud and with a catch for detachable connection to the pin.

Abstract: A steel cord for reinforcing automobile tires is composed by intertwisting at least one material wire having small spiral-like curls and 1 to 5 straight material wires. This restricts the ratio of fracture elongation of the two kinds of material wires as well as the elongation percent of the cord at 5 kg loading and improves the stability of twist, the fatigue resistance, the penetrability of a rubber compound and the handling workability.

Abstract: An electrode of a discharge lamp which has an improved adhesion between an emitter material and a filament is formed in accordance with the following method. That is, a Fe-Cr-Al alloy is used as the filament. The filament is placed in a heated oxidizing environment to precipitate an aluminum oxide layer uniformly in a surface thereof. Thus precipitated aluminum oxide layer has good adhesion with the filament without flaking thereof. The aluminum oxide layer is coated with triple carbonates consisting of barium carbonate, calcium carbonate and strontium carbonate, so that a carbonate coated filament is obtained. And then, the coated filament is heated in vacuum to reduce the carbonates to their alkaline earth oxides of the emitter material, and also to form a complex oxide consisting of the aluminum oxide and the alkaline earth oxides.

Abstract: A silver base electrical contact material with superior resistance to arc erosion along with improved wear and welding resistance. The contact material consists essentially of 0.5 to 39.9 wt % of nickel, 0.14 to 7.0 wt % of nickel oxides, and balance silver. The material contains not less than, 0.4 wt % of nickel responsible for constituting minute nickel and nickel particles which have a particle size of not more than 1 .mu.m and are dispersed in a silver matrix for strengthening the material to give improved wear and welding resistance. The dispersed minute nickel oxide particles are included to stabilize arcing occurring at the time of opening and closing contacts in such a manner as to anchor one end of an arc substantially at any immediately available point over the entire contact surface as soon as the arcing occurs, thereby preventing the arc end from moving violently across or beyond the contact surface and therefore minimizing arc related damages or arc erosion.

Abstract: An electrically conductive composite material is formed by dispersing in a matrix metal the other metal which is not solid soluble with the matrix metal. The other metal is finely divided to an extent of not excessively lowering the conductivity and is mixed in the matrix metal in a particle amount with which respective particles keep a mutual distance effective to strengthen the composite material, whereby the material is sufficiently improved in the mechanical strength and wear resistance and remarkably reduced in the high temperature deformation. Such conductive composite material can be obtained through a melt atomization.

Abstract: A shape memory alloy consists of a three element alloy of nickel-titanium-copper which is formed as being subjected to a cold working and to a heat treatment at a temperature below recrystallization point of the alloy for storing the shape, the alloy being thereby improved in operation stability and reliability even after repetitive operation and made wider in environmental temperature range for use therein of the alloy.

Abstract: An electrically conductive composite material is formed by dispersing in a matrix metal another metal which is insoluble or slightly soluble with the matrix metal. The other metal is finely divided to an extent of not excessively lowering the conductivity and is mixed in the matrix metal in a particle amount such that respective particles keep a mutual distance effective to strengthen the composite material. The material is thereby sufficiently improved in the mechanical strength and wear resistance and remarkably reduced in high temperature deformation. Such conductive composite material can be obtained through a melt atomization.

Abstract: An electrical contact material consists of Ag in which a metallic oxide is produced and dispersed through an internal oxidation and containing as metallic elements Cd, Mn and Al. With this contact material of this composition, there can be shown a high anti-welding property and a stably low contact resistance.