32results about How to "Maintain tightness" patented technology

A multi lumen catheter including an inner tube having a front tip, an outer tube, a tube or lumen for inserting a guide wire, a blood extraction lumen and a blood return lumen which are formed in the outer tube and inner tube, respectively, or both in the outer tube, wherein the inner tube is inserted in the outer tube, and allowed to slide relative thereto, and the front tip is jointed to the front end of the outer tube to shut off communication of the lumens with the exterior. A multi-lumen catheter with balloon includes a balloon provided on a tabular body at a front end thereof, a blood return port and a blood extraction port provided in the tubular body on opposite sides of the balloon, and an outer cylinder slidable on the tubular body to close the blood extraction and blood return ports and the balloon.

The invention relates to a method for controlling a reversible belt tensioner (18) of a safety belt in a motor vehicle (10) by detecting a progression over time of at least one state variable and / or at least one variable relating to the surroundings of the motor vehicle, recognising a predetermined driving manoeuvre and / or a value characterising the attentiveness of a driver by means of the progression over time of the at least one detected state variable and / or variable relating to the surroundings, and controlling the reversible belt tensioner (18) on the basis of the recognised driving manoeuvre or on the basis of the value characterising the attentiveness of the driver.

[Objective] To provide a spark plug which is configured such that an insulation member, from which a center electrode projects, is pressed frontward and held in a metallic shell, and is fixed by means of crimping the rear end of the metallic shell, and which can prevent a drop in gas tightness between the metallic shell and the insulation member due to a difference in thermal expansion therebetween.[Means for Solution] In a spark plug in which a mating shaft portion (10) of an insulation member (1) is loose-fitted into a mating hole portion (30) of a metallic shell (21), a filler (41) for maintaining gas tightness is charged between the outer circumferential surface of the mating shaft portion (10) and the inner circumferential surface of the mating hole portion (30). Despite the thermal expansion difference, the gas tightness is maintained, because the filler (41) for maintaining gas tightness is charged between the inner and outer circumferential surfaces.

The invention discloses a foldable and retractable sunshade with a camera function, and relates to the technical field of sunshades. The foldable and retractable sunshade with the camera function specifically comprises a base bracket, a bearing base and a positioning ring, wherein the base bracket and the bearing base are welded, and the central axes of the base bracket, the bearing base and the positioning ring are coincident, pressing blocks are disposed on the left side and the right side of the base bracket, an edge strip is arranged at the upper end of the bearing base, fixing screws areinstalled inside the left end and the right end of the edge strip, and the positioning ring is internally provided with a limiting sleeve. According to the foldable and retractable sunshade with the camera function, performance of the whole device is greatly improved while the structure is increased, the whole device is made more flexible during use, and the foldable and retractable sunshade withthe camera function can be folded and contracted to keep the device as small as possible. Storage, movement, and transportation is facilitated. At the same time, camera equipment is installed at the top end of the sunshade, and usage requirements of people are effectively met.

An optical component includes a base material and an antireflection film containing silica particles, wherein the silica particles have a first local maximum in the range of 1.5 nm or more and 2.5 nm or less (a first range), a second local maximum in the range of 3.5 nm or more and 4.5 nm or less (a second range), and a third local maximum in the range of 7.5 nm or more and 8.5 nm or less (a third range) in a number-based particle size distribution. It is preferred that the silica particles have a fourth local maximum in the range of 5.5 nm or more and 6.5 nm or less in the number-based particle size distribution.

A secondary battery includes a resin film, reference electrodes, temperature sensors, reference electrode wiring lines and temperature sensor wiring lines that are insulating from one another, and an insulating resin cover layer. In the resin film, a connector part connecting a detector part and a terminal part extends from the inside to the outside of the container through a seal member. Each of the reference electrode wiring lines and the temperature sensor wiring lines extend through the connector part to the terminal part. A resin cover layer is provided for the detector part and the connector part, covers the temperature sensors, the reference electrode wiring lines, and the temperature sensor wiring lines, and exposes the reference electrodes.

An electronic apparatus includes the following: a heat dissipation chamber that is formed by liquid tightly separating the inside of a main unit case with a partition, has an inlet air vent and an outlet air vent in the partition, and includes a heat dissipation portion; a cooling fan that is located in the heat dissipation chamber; an inlet that is provided in the main unit case to introduce outside air into the heat dissipation chamber through the inlet air vent; and an outlet that is provided in the main unit case to exhaust an air flow sent from the cooling fan to the outside through the outlet air vent. An air channel that extends from the inlet air vent through a side wall of the main unit case to communicate the heat dissipation chamber with the inlet is liquid tightly sealed from the internal space of the main unit case with a sealing wall. A plurality of plate-shaped ribs are provided in the air channel so as to extend in a flow path direction and arranged in a lateral direction of the inlet air vent. The rigidity of the main unit case can be ensured sufficiently while maintaining the liquid tightness between the inside of the main unit case and the heat dissipation chamber.

The invention provides a sealing structure for a container and a cover body. The sealing structure involves the container and the cover body; the container comprises a bottom wall and a side wall which are connected, the bottom wall and the side wall jointly define a space, the other end, connected with the bottom wall, of the side wall is defined as an open end part, the side wall is provided with an inner side surface and an outer side surface which are opposite, and the inner side surface is provided with a first hook part; and the cover body is arranged at the open end part of the container, the cover body is provided with a covering part and a second hook part, the covering part covers the open end part in a close fit mode, and the second hook part hooks the first hook part. Therefore, the combination relation between the cover body and the container is more stable through covering the open end part with the covering part in a close fit mode and enabling the second hook part to hook the first hook part.

The invention provides a front structure of a vehicle, and the front structure can prevent rainwater from intruding into a big lamp, and improve parting precision. In the front structure (11) of the vehicle, the big lamp (12) is provided with an incision portion (38), at the lamp the periphery (37), the lamp periphery at least close to a radiator grid disposed between the left and the right is cut to obtain the incision portion (38). A lamp seat (32) is combined at the frame part (an upper component and a separating plate) of a vehicle body (16) via a lamp fixing part (15). The lamp fixing part (15) is provided with: a main portion (41) joining the frame part; a support tongue portion (42) connected with the main portion (41) and extending toward the incision portion (38). The support tongue portion (42) is provided with a support grating clamping portion (43) clamping the radiator grid.

The invention discloses a method for making old goose pickled by dry powder air flow. The pickled process includes the following steps: (1) Pretreatment of pickled ingredients: weighing corresponding pickled raw materials in parts by weight: combining wet ingredients Heat and mix evenly, cool to room temperature for later use, and grind the dry ingredients into powder for later use; (2) Old goose preparation: select raw geese that have passed the quarantine inspection, then slaughter them, clean them, and soak them in the wet ingredients for 0.5-1 hour; (3) Dry powder marinating: Put the old goose in step 2) into a closed marinating container, and at 50-70 degrees Celsius, use 150-200 atmospheric pressure to make the dry material group into a powder mist, and the dry material group Through an atomizing spray gun, it is polymerized into mist-like particles, pickled for 0.5-1 hour and then vacuum-packed. The old goose prepared by the invention has a unique taste, firm, elastic and non-greasy meat, and does not have the greasy degree of traditional old goose pickling, especially the cortex.

The invention discloses a pickling formula of Maoshan old goose. The pickling raw materials used in the formula disclosed by the invention comprise a wet material group and a dry material group in parts by weight, wherein the wet material group comprises 13-18 parts of guar gum, 8-12 parts of a dark soy sauce, 1-2 parts of cold pressed lemon oil, 8-13 parts of a glucose water solution of 30%, 7-9 parts of calcium chloride of which the concentration is 0.05%, 6-8 parts of yellow wine, 2-4 parts of scallions, 2-4 parts of ginger and 5-8 parts of citric acid; the dry material group comprises 10-15 parts of tea leaves, 10-15 parts of medicated leaven, 10-15 parts of malt, 10-15 parts of endothelium corneum gigeriae galli, 10-15 parts of mint leaves, 0.5-2 parts of sodium citrate, 0.5-2 parts of sodium benzoate, 6-9 parts of konjaku flour, 0.3-0.5 part of pepper powder, 4-6 parts of nonfat dry milk powder, 0.2-0.5 part of allspice, 2-3 parts of dry red peppers, and 5-8 parts of orange skin. The old goose pickled with the formula provided by the invention is unique in mouth feel, is durable, flexible and non-greasy in meat quality, and particularly does not have the greasy taste of the skin of a conventional pickled old goose.

A sealing method for a server includes: surrounding a part of a component by a frame; coating a first colloid on the part of the component and an inner surface of the frame; filling a second colloid between the part of the component and the inner surface of the frame and covering the first colloid, in which the first colloid and the second colloid have different coefficients of viscosity; fixing the frame on a housing; and sealing a gap between the frame and the housing.

The invention discloses a wiping device. The wiping device comprises a wiping base, an unwinding roller, a winding roller, a wiping head and two fixing material mechanisms. The unwinding roller and the winding roller are used for coiling wiping cloth and arranged on the wiping base in a coordinated mode. The wiping head is used for compressing the wiping cloth, arranged on the wiping base through a driving mechanism, and located between the unwinding roller and the winding roller. The two fixing material mechanisms are arranged on the wiping base and distributed between the unwinding roller and the wiping head and between the winding roller and the wiping head respectively. In the wiping process, the wiping cloth on the two sides of the wiping head is pressed respectively. The corresponding fixing material mechanisms are additionally arranged, tightness and flatness of the wiping cloth are effectively kept, and the problem that the wiping cloth is wrinkled is effectively solved.

This invention relates to electric power industry, and can be used in horizontal steam generators for nuclear power plants (NPP) with a water-water energetic reactor (VVER). We claim a steam generator primary circuit coolant header with U-shaped tubes of a horizontal heat-exchange bundle designed as a thick-wall welded vessel with a perforated central cylindrical part designed so as to allow installation and fastening of a U-shaped heat-exchange tube bundle in the same, wherein the tubes are grouped into banks and separated by vertical inter-tubular tunnels, a lower cylindrical part designed so as to allow welded connection with the steam generator vessel connection pipe, and an upper cylindrical part with a conical adapter to the flange connection of the manhole with a lid, wherein primary circuit header outer diameter Dhead in the central part is selected based on formula.The technical result of the invention involves assurance of strength of the header wall bridges between holes for fastening of heat-exchange tubes and leaktightness of heat-exchange tube connections with the header assuming that the outer surface of the perforated header part is more efficiently (fully) used for tubing.