Abstract: A developing device constructed such that a rotational axis of a transmission gear which is engaged with a gear attached to the photosensitive drum of an image forming apparatus is fixed in relation the photosensitive drum gear in order to transmit the rotational force of the photosensitive drum to the developing roller via gears, and at the same time the transmission gear axis is rockably suspended and supported as a supporting axis of the developing unit, the developing roller gear is linked with a transmission gear by means of a plurality of gears, and a force which acts to keep the developing unit away from the photosensitive drum is decreased.

Abstract: A tanned leather treated with a fatliquoring agent in combination with a fluorine-containing oil, which has good touch, water resistance, water- and oil-repellency, washing resistance, and which is not discolored or faded by dry cleaning.

Abstract: A developing device which includes a housing including an opening toward a photosensitive drum, the housing containing a single-component toner, a developing roller disposed in the opening facing the photosensitive drum so as to transfer the toner to an image-forming area between the developing roller and the photosensitive drum, a porous plate disposed in the opening and kept in contact with the part of the developing roller which is positioned in the housing, the porous plate having pores of such a size so as to allow the toner to pass through, and a toner supply means for supplying the toner from the housing to the porous plate.

Abstract: An ultrasonic delay line device has an adjusting circuit for adjusting delay time provided between two terminals at the power input side of an ultrasonic delay line, wherein the adjusting circuit includes a serial connection of a fixed capacitor and a variable resistor connected between said two terminals of the power input side and a fixed coil connected in parallel with the serial connection of the fixed capacitor and the variable resistor.

Abstract: A thin film formation method includes the steps of holding a substrate in a reduced-pressure vapor phase reaction chamber having means for irradiating light in visible and ultraviolet ranges, supplying an organo-titanium compound containing a tri-azo group, and vapor-depositing a titanium nitride film on a surface of the substrate by an excitation reaction caused by light.

Abstract: A heat-resistnat wire is disclosed which comprises a line of copper or aluminum coated with a shielding material obtained by heating a mixture of: (A) an ethylenic copolymer comprised of ethylene and 0.1 to 20.0 mol % of a monomer of at most 30 carbon atoms having an oxirane group or a hydroxyl group and having at least one double bond; and (B) an ethylenic copolymer comprised of ethylene and 0.1 to 20.0 mol % of a monomer possessing a functional group capable of reacting with oxirane group or hydroxy group in the ethylenic copolymer (A). The wire is excellent not only in heat resistance but also in insulating ability and flexibility.

Abstract: A copying machine comprising the body of said copying machine and a process unit attachable to and detachable from the body of said copying machine, wherein said process unit comprises a photosensitive drum, a charging device, a developing apparatus, and a cleaning apparatus within a housing of said process unit, and said process unit further comprises a route of conveyance for recording paper that tunnels through said housing in the region under said photosensitive drum.

Abstract: A molded product having a printed circuit board on a thermoplastic layer is disclosed, the printed circuit board comprising a conductive metal layer and a thin-wall body containing a crosslinked product of a mixture of (A) 1 to 99 wt % of an ethylenic copolymer containing at least one monomer unit selected from the group consisting of monocarboxylic acid unit, dicarboxylic acid unit, acid anhydride unit thereof and half ester unit thereof and (B) 99 to 1 wt % of an ethylenic copolymer containing at least one monomer unit selected from the group consisting of hydroxyl unit, amino unit and oxirane unit.

Abstract: A heat resistant printed circuit board is disclosed which comprises a laminate of:(A) a thin-walled body having a thickness of from 0.2 .mu.m to less than 5 mm and containing a cross-linked product of a mixture of (a) 1 to 99 wt. % of an ethylenic copolymer (A) comprised of 30 to 99.5 wt. % of ethylene, and an oxirane ring-containing compound having at least one double bond and having 6 to 30 carbon atoms, and (b) 99 to 1 wt. % of an ethylenic copolymer (B) comprised of 30 to 99.5 wt. % of ethylene, and a comonomer selected from the group consisting of unsaturated monocarboxylic acids, unsaturated dicarboxylic acids, unsaturated dicarboxylic acid anhydrides, and half esters of unsaturated dicarboxylic acids; and(B) an electrically conductive metal layer having a thickness of from 100 .ANG. to 400 .mu.m.The boards have excellent heat resistance, electrical insulating properties, flexibility, chemical resistance, dimensional stability, etc.

Abstract: A flexible, heat resistant printed circuit board which comprises a laminate of:(A) a thin-wall body having a thickness of from 3 .mu.m to less than 5 mm which is a cross-linked product of a mixture composed of (1) at least one of an ethylene-acrylic acid copolymer and an ethylene-methacrylic acid copolymer, and (2) a saponified product of an ethylene-vinyl acetate copolymer, wherein the mixing proportion of copolymer (1) in the mixture is from 20 to 80% by weight and the mixture is cross-linked such that after extraction of the cross-linked product with a boiled toluene for three hours the amount of residue having a size of 0.1 .mu.m or more is at least 80% by weight based on the weight of the cross-linked product, and(B) an electrically conductive metal layer having a thickness of from 100 .ANG. to 400 .mu.m.The boards have excellent heat resistance, electrical insulating properties, flexibility, chemical resistance, dimensional stability, etc.

Abstract: Disclosed is an electrophotographic process which comprises developing an electrophotographic light-sensitive layer having an electrostatic charge image of a certain polarity with a one-component type magnetic developer where positive and negative frictional charge polarities are mingled, under development bias voltage conditions capable of developing the electrostatic charge image, the background or both, and bringing the light-sensitive layer having a developer layer formed thereon into contact with a transfer sheet under a transfer charge of the same polarity as that of the electrostatic charge image when a positive image is formed or under a transfer charge of a polarity reverse to that of the electrostatic charge image when a negative image is formed, to form an image on the transfer sheet.

Abstract: A clothes dryer of the dehumidifying type in which exhaust air from a drying space containing a load being dried is subjected to heat exchange with external air for removing moisture from the exhaust and, after being re-heated by a heater, the exhaust air is returned to the drying space again by a fan so as to dry the load with heated air. The clothes dryer includes a first heat-sensitive device for measuring the temperature of exhaust air at an outlet of the drying space, and a second heat-sensitive device for measuring the temperature of the exhaust air after having been subjected to the heat exchange with external air or the temperature of the external air after having been subjected to the heat exchange with the exhaust air.

Abstract: A scintillation converter for neutron radiography is described, comprising a composition formed of components (A) 100 parts by weight of an olefin rubber made mainly of ethylene and propylene, (B) from 100 to 400 parts by weight of at least one inorganic compound selected from the group consisting of inorganic boron compounds and inorganic lithium compounds, and (C) from 100 to 600 parts by weight of a zinc sulfide-base fluorescent material. This scintillation converter is not only superior in radiation-sensitive performance, but also has high elasticity and superior abrasion resistance.

Abstract: A toner cleaning apparatus for removing a toner left on the surface of an electrophotographic photosensitive material by a doctor blade in the electrophotographic process includes an elastic doctor blade having a toner-scraping top end, a holder for supporting the base of the doctor blade, a fulcrum for swingably supporting the holder and a pressing mechanism for pressing the top end of the doctor blade to the surface of the photosensitive material, wherein the fulcrum and doctor blade are arranged so that on the feed-out side of the photosensitive material, the contact angle .alpha. between the top end of the doctor blade and the photosensitive material is smaller than the angle .beta.

Abstract: A food frying apparatus comprises a heating chamber (1), a heater (H), a magnetron, a food table (7), a lifting apparatus (8) and a control apparatus. A cooking oil is contained in a lower portion of the heating chamber (1). The cooking oil is heated to higher temperature by the heater (H). After placing food on the table (7), the table (7) is lowered by the lifting apparatus (8) so that the food is dipped into the cooling oil, and frying of the food is started. If and when the table (7) is lowered, irradiation of a microwave from the magnetron is started and the food is internally heated. The control apparatus controls the temperature of said cooking oil, a time period for dipping the food into the cooking oil and a time period for supplying the microwave. Therefore, in accordance with the present invention, the food can be dipped into the cooking oil with high temperature automatically and for an arbitrary time period and in addition, irradiation of the microwave can be made for an arbitrary time period.

Abstract: A vulcanized olefin-based rubber composition is disclosed which is produced by vulcanizing an olefin-based rubber composition with a sulfur-containing substance alone or with a sulfur-containing substance and a vulcanization accelerator in combination. The olefin-based rubber composition is composed of (A) olefin-based rubber composed mainly of ethylene and propylene and (B) aluminum or an aluminum alloy in the form of powder, fiber, or flake, or being composed of (A) olefin-based rubber composed mainly of ethylene and propylene, (B) aluminum or an aluminum alloy in the form of powder, fiber, or flake, and (C) electrically-conductive carbon black, and said sulfur-containing substance being selected from the group consisting of a sulfur-based vulcanizing agent and a sulfur-releasing agent.The composition of this invention is superior in the shielding of electromagnetic waves.

Abstract: The present invention discloses an electronically controlled cooking apparatus which comprises at least heating energy supply means, cooking completion time setting means, cooking temperature setting means and control means for controlling said heating energy supply means according to the contents preset by said cooking completion time setting means and said cooking temperature setting means, whereby, when both the cooking completion time and cooking temperature are being preset, said control means operates so as to cause said heating energy supply means to start supplying energy automatically at a suitable time.

Abstract: A polyolefin composition is described, comprising: (A) a polyolefin which is modified with an unsaturated carboxylic acid or its derivative, or a mixture of such a modified polyolefin and a polyolefin, (B) aluminum or aluminum alloy in a powdery, fibrous and/or flaky form, (C) electrically conductive carbon black, (D) a halogen-containing organic compound and antimony oxide, and (E) a hydrous inorganic substance. This polyolefin composition has good electromagnetic wave-shielding properties and flame resistance, and therefore, it can be used as a housing material for electronic equipment.