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47results about How to "Oil removal" patented technology

Optical finger print input device for mobile apparatus

An optical fingerprint image input device for a mobile apparatus includes: a plate-shaped fingerprint contact member; a distortion correcting member for correcting distortions; light sources disposed at both sides of the fingerprint contact member, other than an inclined surface or a back light source in a liquid crystal display element; focusing means disposed at an inclined surface side of the distortion correcting member; and an image sensor. In other words, the fingerprint contact member and the distortion correcting member having respective set-up inclined angles are disposed to discern sweat, water or oil and to correct a trapezoidal distortion which is a disadvantage that occurs when a thin fingerprint contact medium is used, and to form a lens system comprised of a cylindrical lens and a spherical lens for adjustment of a ratio of transversal to longitudinal widths of an image. By this configuration, problems generated by the thin optical fingerprint input device can be overcome to minimize the loss of information necessary for fingerprint verification and a region of used image sensor can be established in consideration of a design to be capable of obtaining fingerprint information of a high resolution. Furthermore, as a thin optical fingerprint input device can be embodied, the present invention can be applied to a mobile apparatus like a cellular phone, and a conventional secrecy-maintaining function performed by a secret number can be replaced by fingerprint information to thereby increase the secrecy of the mobile apparatus.
Owner:HANSL

Pressed stranded conductor stranding die for aluminum alloy cable

The invention relates to a pressed stranded conductor stranding die for an aluminum alloy cable. The die comprises a die base, wherein the die base is internally provided with a pressed stranding die body, a compressed air ring and a compressed air inlet hole, and the pressed stranding die body comprises an outer layer die sleeve and a die core assembled in the die sleeve; a first channel of a pressed stranded conductor stranding wire is formed in the die core; the outlet of the first channel is connected with a second channel formed in the die sleeve; the compressed air ring is arranged on the outlet of the second channel, and a first set of air holes blowing air to the pressed stranding die body and a second set of air holes blowing air to a stranded conductor are formed in the compressed air ring. Due to the technical scheme, the first set of air holes and the second set of air holes in the compressed air ring perform cooling and pressure blowing around the stranded conductor and the pressed stranding die body, and therefore the filling density of the stranded conductor and the surface roughness of the conductor are improved, and meanwhile aluminum skimmings and aluminum powder generated in the spiral stranding pressing process and greasy dirt on the surface of an original alloy single wire are removed.
Owner:安徽省惠尔电气有限公司

Cleaning device for computer keyboard

The invention discloses a cleaning device for a computer keyboard, and relates to the technical field of computer hardware cleaning. The cleaning device comprises a rack, a mounting frame, a positioning mechanism, a longitudinal cleaning mechanism, a transverse cleaning mechanism and a cap cleaning mechanism, wherein the mounting frame is mounted at the upper end of the rack, the mounting frame isof a hollow structure, the lower end of the mounting frame is provided with two symmetrically-arranged laying rails, two symmetrically-arranged mounting cavities are formed in the upper end of the mounting frame, and two corresponding symmetrically-arranged guide plates arranged on the rack in a sliding mode are fixed to the lower end of each laying rail. The cleaning device is convenient to operate, sweat stains and oil stains attached to the surfaces of keys are effectively removed through the arrangement of the longitudinal cleaning mechanism and the inverted arrangement of the keyboard, meanwhile, cleaning liquid and clear water on a towel or wet cloth are prevented from entering the keyboard, through the arrangement of the transverse cleaning mechanism and the cap cleaning mechanism,bidirectional cleaning operation is automatically conducted on the keyboard, the positions where keycaps are removed can be cleaned, and the keycaps can be further cleaned.
Owner:ANQING NORMAL UNIV

Putty composition and method

ActiveUS20070114726A1Reduced staining qualityEasy to optimizeSleeve/socket jointsEngine sealsOligomerMedicine
Generally speaking, in accordance with the invention, a putty is provided that can include many or all of the handling characteristics of a traditional plumber's putty, but with reduced staining qualities. Such putty can facilitate substantially stain free installations. Putties in accordance with the invention can contain combinations of polymers or oligomers, solvents, fillers and optional rubbery materials. A composition according to the invention is preferably sufficiently stain-free to be used on porous stone, such as marble and granite, without damaging the appearance of the stone. This is achieved by eliminating oil completely, or at least substantially, or restricting their ability to cause stains sufficiently. Because compositions of the invention can be made to be free of oils, they can also have the effect of eliminating the greasy feeling to the hands, which can occur when handling traditional putty. Putties in accordance with preferred embodiments of the invention can provide a degree of tackiness for adhesion and gap fill purposes during installation, as well as a degree of abrasiveness so that pressure from the tightening process will not cause the putty to slip. Of these benefits, one particularly important advantage is the lack of staining on most, if not all, surfaces traditionally used to finish kitchens and baths, including porous stones and other porous materials, such as unglazed ceramics.
Owner:HERCULES CHEM

Integrated cooker and control method

The invention discloses an integrated stove and a control method, the integrated stove comprises a machine body and a self-cleaning assembly, the upper end of the machine body is provided with a smoke exhaust assembly, an air duct is formed in the smoke exhaust assembly, and one side of the smoke exhaust assembly is provided with a smoke suction port communicated with the air duct; the self-cleaning assembly comprises a storage box, a delivery pump, a heater and a nozzle, the storage box is connected to the machine body, the inlet end of the delivery pump is connected with the storage box, and the outlet end of the delivery pump is connected with the heater which is connected with the nozzle through a pipeline. Wherein the air duct is provided with two opposite side walls, the two side walls are located on the two sides of the smoke suction opening, each side wall is provided with at least one spray head, and the spray heads on the two side walls are oppositely arranged. The nozzles on the two side walls of the air duct are oppositely arranged, the cleaning requirements of large long slits and large planes can be met in a hedging spraying mode, water and detergent are added into the storage box, steam or hot water is prepared, the physical cleaning effect and the chemical cleaning effect are achieved at the same time, and oil stains can be effectively removed.
Owner:FOSHAN SHUNDE MIDEA WASHING APPLIANCES MFG +1

Production process of high-strength rivet nuts

PendingCN113464535AHigh hardnessHardness unchangedNutsMetallurgyIndustrial engineering
The invention provides a production process of high-strength rivet nuts, belongs to the technical field of rivet nut machining, and solves the technical problem that the strength of existing rivet nuts cannot be improved. The production process of the high-strength rivet nuts comprises the following steps that (1), raw material spheroidizing annealing is conducted, specifically, raw materials are selected and spheroidizing annealing treatment is carried out on the raw materials; (2), upsetting forming is conducted, specifically, the raw materials subjected to spheroidizing annealing are subjected to cold upsetting to form a blank; (3), oil is removed; (4), zone annealing is conducted, specifically, zone annealing is carried out on a designated position of the blank subjected to oil removal; (5), acid pickling is conducted, specifically, acid pickling is carried out on the blank obtained after zone annealing through an acid pickling solution; (6), tapping is conducted, specifically, tapping and tapping are carried out on the interior of the blank through a part machine to form rivet nuts; (7), surface treatment is conducted, specifically, treatment is carried out on the surfaces of the rivet nuts; (8), screening is conducted, specifically, testing is carried out on the rivet nuts, and the rivet nuts with qualified strength are screened out; and (9), packaging is carried out. The production process of the high-strength rivet nuts has the advantages that the overall strength of the rivet nuts is improved, and the production efficiency is high.
Owner:浙江坤厚汽车零部件股份有限公司

Multi-station cold-upsetting molding machine with oil-water separation function

The invention discloses a multi-station cold-upsetting forming machine with an oil-water separation function. The multi-station cold-upsetting forming machine comprises a cold-upsetting forming machine body, a cold-upsetting sliding table mounted on the cold-upsetting forming machine body, and a cold-upsetting mold, wherein the cold-upsetting mold and the cold-upsetting sliding table are mounted correspondingly. The cold-upsetting sliding table is mounted on a horizontally-arranged cold-upsetting sliding rail. One end of the cold-upsetting sliding rail is connected with the cold-upsetting forming machine body, and the other end of the cold-upsetting sliding rail extends towards the lower portion of the cold-upsetting mold. An oil collecting plate is arranged under the cold-upsetting sliding rail. The first edge of the oil collecting plate is fixed to the position, on the lower portion of the cold-upsetting sliding rail, of the cold-upsetting forming machine body. The second edge, except for the first edge, of the oil collecting plate is bent in the direction of the cold-upsetting sliding table to form an oil blocking step. The top of the oil blocking step corresponding to the edge,close to the cold-upsetting mold, of the oil collecting plate is located on the lower portion of the cold-upsetting sliding rail, and the projection of the cold-upsetting sliding table on the horizontal plane is located in the area defined by the oil blocking step and the first edge. By applying the multi-station cold-upsetting forming machine, oil contamination on the surface of a cold-upset product can be eliminated.
Owner:安徽阳天机械工业有限公司
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