157results about How to "Contact safety" patented technology

An insulated packaging material includes a thermal insulating layer, which may a fiberfill batt. The batt is laminated to at least one facing layer of film, paper or fabric. The packaging material can be used as a container, such as a pouch. A food-contacting polymer material is applied to the facing layer to form the inner surface of the pouch. The packaging material may be coated on the outer facing layer with a coating material so that it is printable, thus imparting both insulating properties and print capability to the pouch.

The invention relates to an inside-pipe flexible mobile micro robot system. A pneumatic moving mechanism of the robot system is formed by the connection of a front supporting unit, a rear supporting unit and a rubber driver; the front supporting unit and the rear supporting unit are hollow cylinders, the end surface of one end of each supporting unit is internally connected with a round ring with a strap; two round rings with straps are respectively connected with two ends of the rubber driver; the cylinders are completely and externally covered with airtight plastic film airbags; the front supporting unit and the rear supporting unit are respectively connected with an air pipe which is communicated with a ventilation circuit; an air pressure transfer system is formed by the serial connection of a high-pressure pump, a pressure storage tank, a ball valve, a flow control valve, a pressure regulating valve and the pneumatic moving system; three ventilation pipelines are connected in parallel between the flow control valve and the pneumatic moving mechanism; two ventilation pipelines are connected in parallel between the pressure regulating valve and the pneumatic moving mechanism; and each ventilation pipeline is connected in series with a normal-closed two-position two-way electromagnetic valve and a two-position three-way electromagnetic valve, and is respectively communicated with three air chambers of the driver and the film airbags of the front supporting unit and the rear supporting unit. The invention can achieve driving in three directions, is safe and flexible, and has accurate control without damaging the inner walls of the pipelines.

The present invention relates to biodiesel oil preparing process and apparatus. In the heated esterification reaction of methanol, concentrated sulfuric acid and material oil inside a stirring reactor, the methanol is first heated and gasified into methanol vapor before entering the reactor from the bottom, and this results in liquid phase-gas phase reaction with high reaction speed and short reaction period. Therefore, the present invention has the features of fast reaction speed, short reaction period, saving in material, lowered heat energy consumption and other advantages, and is suitable for preparing biodiesel oil with different kinds of material oil.

A forwardly directable fluid jet crossing catheter having a positionable jet body which can be longitudinally and rotationally positioned in order to direct a fluid jet stream to impinge, break through, and cross a chronic total occlusion. The distal end of the catheter includes a tip of super-elastic material having a flexible bend aligned within the distal portion of a sheath which tip is directable in response to the longitudinal and rotational orientation of a positionable jet body, whereby a fluid jet stream can be controlled in angular and rotational directions.

A method of forming a clear ink jet coating or a colored ink jet image on a substrate is disclosed. The coating or colored image provides antibacterial and antifungal protection. The method includes providing a source of ink jet ink having a mixture of solvent and a silver salt biocide including a silver sulfate biocide having a concentration range of 0.0005 to 0.5 weight %, applying the clear ink or colored ink in an image wise fashion to a substrate, and fixing the clear or colored ink to the substrate whereby an effective coating or image article is formed that provides antibacterial and antifungal protection.

The present invention provides modified multifunctional thiol-ene monomers wherein one or more thiols are reacted with a Michael addition reactive double bond compound. The present invention further discloses photocurable thiol-ene formulations comprising thiol-ene monomers including the modified multifunctional thiols. The present invention further discloses photocurable thiol-ene formulations comprising thiol-ene monomers and Michael addition reactive double bond molecules and a Michael catalyst. The formulations of the present invention can be photocured to make films or coatings. In a further disclosure, the formulations, including those comprised of unmodified multifunctional thiols and multifunctional enes, are photocured to form films applied to non-flexible or flexible polymer or non-polymer substrates suitable for food packaging, electronic products, optical products and other applications and free-standing films. The present invention further discloses photocurable thiol-ene formulations comprising thiol-ene monomers and Michael addition reactive double bond molecules and a Michael catalyst. These formulations are disclosed to form free-standing films and coatings on substrates when applied to flexible substrates. Such materials are suitable for use in the packaging of food products and other products which are to be maintained in a hermetically sealed relationship to the atmosphere.

The invention relates to a plasma needle device belonging to the field of plasma generation devices and solving the problems that the traditional corona discharging device can not be directly touched by human bodies, and the electrode of a plasma jet device is unsafe or arc discharge is probably generated between the electrode and the ground. The plasma needle device comprises a pulse power source and an electrode, wherein the electrode is connected with the pulse power source through serially connected resistors and capacitors; the radial section of the electrode is in the shape of one of a circle and a ring or a polygon; and the end part and the outer surface or the inner surface of the electrode are provided with needle-shaped or splinter-shaped bulges. The invention has the advantages of easy manufacture and maintenance, convenient use, low cost and easy carrying; the generated temperature of plasma needles can be different by adopting the resistors with different resistance values, the capacitors with different capacitance values and different driving power sources and working gases; and the plasma needles can be applied to sculpture, deposition, surface treatment, surface cleaning, purification, food treatment, biomedical disinfection, tooth cleaning, root canal therapy, and the like.

The present invention provides a forwardly directed fluid jet crossing catheter having a distally directed cylindrical flow fluid jet stream to cross a chronic total occlusion. The distal end of the device includes a formable catheter tip region having flexible internal components. Low and high pressure cavities are formed substantially by joined proximal and distal catheter tubes having an adhesive plug seal in common therebetween which partially defines one end of each of the low pressure and high pressure cavities. A guidewire tube and a high pressure tube are aligned along and within the low pressure and high pressure cavities and through the adhesive plug seal. The high pressure tube openly terminates in the high pressure cavity, whereby pressurized fluid transfers from the high pressure cavity in the guidewire tube entry hole to subsequently pass along the guidewire lumen and co-located guidewire to exit as a cylindrical fluid jet stream.

A backlight module and a liquid crystal display are provided. The backlight module includes a light guide plate, a source, a first back plate and a second back plate. The first back plate includes a first main body and a first bending portion. The second back plate includes a second main body and a second bending portion. The first main body is slidably connected to the second main body. The light guide plate is fixedly connected to the first main body. A light-emitting surface of the light source is against a light incidence surface of the light guide plate, and another surface of the light guide plate is close to an inner side of the second bending portion. When the light guide plate expands with heat, the expanded light guide plate pushes the second bending portion to make the second back plate slide relative to the first back plate.

The invention provides a cement-based penetration hardening material and a preparation method thereof. The cement-based penetration hardening material comprises silicate or fluosilicate or mixture thereof, water-borne silane / siloxane, aluminum potassium sulfate dodecahydrate and water. The invention also provides a method and application for improving cement strength and / or wear resistance by using the cement-based penetration hardening material.

An electrical connector includes first and second connector bodies which are arranged to first be positioned together, and then separated once electrical contacts have been inserted in at least one of the first and second connector bodies. During, after, or both during and after the separating of the two connector bodies, portions of the first and second connector bodies are in direct contact with each other. The first connector body has first and second walls extending therefrom. At least one ramp and at least one stop are arranged on at least one of the first wall, the second wall, and the second connector body. At least one protrusion is arranged on at least one of the first wall, the second wall, and the second connector body. The at least one ramp, the at least one stop, and the at least one protrusion are arranged such that, when the at least one ramp and the at least one stop engage the at least one protrusion, a distance between the first and second connector bodies is fixed.

The invention is directed to a circuit array with a relay (K1; K12) incorporating a field coil (E) as well as a switch contact (1a, 1b), said switch contact (1a, 1b) being provided as a switch point between a grid, in particular a mains supply (N), and an inverter (WR) fed by a direct voltage source, in particular by a photovoltaic generator (PVG), said relay (K1; K12) being configured to be a bistable relay.

A proportioning system, comprising at least one tool, a programmable electronic storage device disposed on the tool, a proportioning device including a device for releasably mounting the tool, a device for actuating the tool, and a device for controlling of the device for actuating the tool and / or device for releasably mounting it, and a device for contacting connected to the device for controlling and disposed on the proportioning device and another device for contacting disposed on the tool that is connected to the programmable electronic storage device wherein the device for contacting and the other device for contacting contact each other when the tool is releasably mounted on the proportioning device.

Disclosed are compositions and methods of making a liquid fertilizer additive of biodegradable polymers and / or oligomers comprised of utilizing a non-aqueous polar, aprotic organo liquid (NAPAOL) as the reaction medium for the reaction of aldehyde(s) with cyano-containing nitrification inhibitors that have one or more groups that react with the aldehyde(s) wherein said reactive groups are selected from the group consisting of a) primary and secondary amines, b) amides, c) thiols, d) hydroxyls and e) phenol.

The invention relates to a plasma generating device. The objective of the invention is to remove biomembranes in dental canals with low temperature plasmas by putting the device in oral cavity. According to the invention, an annular high voltage electrode clinging to the outer wall of a dielectric tube is appressed by an insulation guard ring and is connected with a power supply; the dielectric tube is hollow, with one end communicating with working gas and the other end bent for convenience in dealing with teeth in oral cavity; through utilization of different power supply parameters and gas sources, plasmas with a temperature close to room temperature can be generated, and in the same time the plasmas are allowed to have a long jet flow adjustable intensity and abundant active components; the position of the electrode is safe and reliable; a plurality of gas can be used as gas sources; therefore, the device has a wide application scope.

In embodiments, the present invention relates to liquid formulations containing hydrophobic, biodegradable polymers dispersed within a Non-aqueous Organic Solvent Delivery System (NOSDS) that is designed to coat fertilizer granules with a hydrophobic film utilizing simple application equipment such as mixers, blenders and tumblers. This film can impede the dissolution of fertilizer components by water improving fertilizer efficiency. The NOSDS can be aprotic solvents, protic solvents and mixtures of protic and aprotic solvents which are environmentally friendly, have flashpoints above 145° F., and are inherently rated safe for contact with humans and animals. The hydrophobic polymers are the reaction product of aldehyde(s) and nitrogen containing compounds.

The invention discloses a high voltage direct current contactor with magnetic coil arc quenching, and belongs to the contactor technical field. The high voltage direct current contactor with the magnetic coil arc quenching comprises a shell and a base, wherein the shell is fixedly connected with the base. A magnetic ring coil assembly and a swinging rod are arranged in the shell. A moving contact pin 2 is fixed on the top of the swinging rod. An electromagnet assembly is arranged under the shell. A movable end of the electromagnet assembly is connected to one end of the swinging rod through a pushing rod. The pushing rod can push the swinging rod to rotate around an installation shaft. The technical scheme adopts magnetic ring winding coils to generate an induced magnetic field so as to provide a magnetic blow-out arc quenching system. The induced magnetic field generated in the winding coils correspondingly changes along with the high- low of an instantaneous voltage level, so that the magnetic blow-out force is different. The magnetic field is guided in a vertical direction of a current flowing direction of a contact through a baffle, and an electric arc is more effectively blown to a cavity of a specified arc quenching room for segment arc quenching. The damage of the contact in a product is prevented.

Method and apparatus for reducing and dispersing wear to the surface of a rotatable disc in a disc drive using an adaptive dither process. The disc drive includes an actuator assembly that is secured in a parked position by a latch when not in use. The method includes determining an open latch current required to open the latch as the actuator assembly is moved from the parked position to a position over a user data storage portion of the disc. A dither current is subsequently applied to the actuator assembly to induce a reciprocating lateral displacement of the actuator assembly when the actuator assembly is secured in the parked position, wherein the maximum amplitude of the dither current is selected to be less than the open latch current.

The invention relates to a lock unit (1), comprising at least one rotary latch (2), a first pawl (3) having a pawl rotational axis (4), and a blocking lever (5), wherein the rotary latch (2) introduces a pivot moment into the first pawl (3) in the locked state of the lock unit (1) and the first pawl (3) is fixed by way of the blocking lever (5), wherein a second pawl (6) is provided, which is mounted on the pawl rotational axis (4) and can be engaged in the blocking lever (5) and the rotary latch (2) and the first pawl (3) has a curved first blocking region (12) for a main detent (13) of the rotary latch (2).

The invention relates to composite three-layer net cloth and a manufacturing method thereof. The composite three-layer net cloth consists of a surface layer, a bottom layer and a support layer, wherein the support layer is connected between the surface layer and the bottom layer, and the bottom layer and the polyester single-yarn support layer are weaved into a three-dimensional three-layer net cloth in a warp weaving way. The composite three-layer net cloth has the advantage that as the net cloth contains negative ion fiber, the main functions of negative ions are as follows: the lasting negative ion transmitting function is realized, so the air quality of the surrounding environment is adjusted; the biological wave transmitting function is stronger, so the blood circulation is promoted, the human body immune cells are activated, and the aging and premature senility of the human body are prevented; the lasting anti-bacteria and bacteria-killing functions are realized, so the bacteria with harmful effects on the human body can be killed, and the injury to the human body is avoided; the deodorizing property is excellent, so the foreign odor is removed, and a good living space is maintained; multiple trace elements required by the human body can be released, so the health of human body is favorably kept; the interface activity action is excellent, so the usage amount of a detergent is saved, and the environment is favorably purified; the requirements of concepts of health and environment protection are favorably met.

A method of forming a clear toner overcoat or a colored toner image on a substrate is disclosed. The overcoat or colored image provides antibacterial and antifungal protection. The method includes providing a source of toner having a mixture of polymer agent and a silver salt biocide including a silver sulfate biocide having a concentration range of 0.0005 to 10 weight %, applying the clear toner or colored toner in an image wise fashion to a substrate, and fixing the clear or colored toner to the substrate whereby an effective coating or image is formed that provides antibacterial and antifungal protection.

The invention relates to an efficient heavy oil dirt cleaning agent, a preparation method thereof and a heavy oil dirt cleaning method. The efficient heavy oil dirt cleaning agent is composed of, by weight percentage, 1-1.5% of phosphate, 1-20% of surfactant, 0.1-5% of complexing agent, 0.1-5% of organic alkali, 0.1-2% of buffering agent, 4-10% of organic solvent and water as balance. The invention also provides the preparation method of the efficient heavy oil dirt cleaning agent. The invention also provides the heavy oil dirt cleaning method. The heavy oil dirt cleaning method applies the efficient heavy oil dirt cleaning agent to cleaning heavy oil dirt in a wiping or soaking manner. The efficient heavy oil cleaning agent is a low-phosphorous environment friendly cleaning agent, which can control the phosphorous content to a low level and meanwhile achieve efficient cleaning performance; meanwhile, the efficient heavy oil cleaning agent has the advantages of being high in biodegradability, free from metal carrion, toxicity and influent on paint surface and the like.

An external incontinence collection device that includes a novel one-way valve system for preventing backflow from a collection receptacle. The incontinence collection device also includes novel drainage valve structures that improve the drainage functionality.

Disclosed are compositions and methods of making a liquid fertilizer additive of biodegradable polymeric and / or oligomeric nitrification inhibitors comprised of utilizing a non-aqueous polar, aprotic organo liquid (NAPAOL) as the reaction medium for the reaction of aldehyde(s) with cyano-containing nitrification inhibitors that have one or more aldehyde reactive groups selected from the group consisting of a) primary amines, b) secondary amines, c) amides, d) thiols, e) hydroxyls and f) phenols.

The invention discloses a modular intelligent water bed temperature and pressure regulating system and a method thereof, and relates to the technical field of intelligent control. Through centralizedtemperature-regulating control, the inlet and outlet lines of a water bed are supplied with water circularly, there is a pressure difference between the inlet line and the return line of the water bed, multiple modular water bed units are connected in parallel between the inlet line and the return line, and pressure of water in the water bed is regulated by regulating values of the inlet and the outlet at two ends of the water bed so as to control hardness of the water bed. By controlling opening and closing of the inlet valve and the outlet valve of the water bed to regulate pressure in the water bed, smooth stepless water pressure regulation is realized. The water pressure of the water bed is flexible to regulate and is regulated to a water-bed hardness which accords with characteristicsof users. The design of a single water bed is simplified, and the cost of a single water bed unit is low. The more the water bed unit, the lower the cost is. By the adoption of an intelligent wireless remote control module and a solenoid valve, water bed regulation control is more convenient.

It is intended to provide a method of selecting a contact lens suitable for a wearer and / or a care system therefor, by which the occurrence of problems (for example, worsening in the feel during wearing, lowering in the oxygen permeability of the lens, shortening in the lens life, lowering in the visual acuity, corneal injury, etc.) can be minimized to thereby ensure a high safety for the eye, namely, a method which comprises collecting the lacrimal fluid of a wearer, detecting the protein content and / or the lipid content in the lacrimal fluid thus obtained (Step S5), estimating the dirt adhesion characteristics of the wearer to a contact lens based on the protein content and / or lipid content thus detected, and then selecting a contact lens suitable for the wearer and / or a care system therefor from among a plurality of contact lenses and a plurality of care systems (Step S6).

Disclosed are compositions and methods of making a liquid fertilizer additive of biodegradable polymers and / or oligomers comprised of utilizing a non-aqueous polar, aprotic organo liquid (NAPAOL) as the reaction medium for the reaction of aldehyde(s) with cyano-containing nitrification inhibitors that have one or more groups that react with the aldehyde(s) wherein said reactive groups are selected from the group consisting of a) primary and secondary amines, b) amides, c) thiols, d) hydroxyls and e) phenol.