1008results about How to "Avoid bites" patented technology

Systems, devices and methods for endoscopic procedures are provided involving accessing and manipulating tissues beyond the capabilities of traditional endoscopic instruments. Embodiments of the systems include an elongated main body which has one or more independently shape-lockable sections and a variety of instruments which are either built in to the main body or advanceable through lumens which extend through the main body. Such instruments may include scopes, suction instruments, aspiration instruments, tool arms, plicators, needles, graspers, and cutters, to name a few. The ability to steer and shapelock specific sections of the main body enables access to target locations which are typically challenging to reach and provides a stabilized platform to perform a desired procedure at the target location.

The invention relates to a super large mining height hydraulic support which comprises an opened rigid integrated base, wherein, two double-telescopic hydraulic upright posts are arranged on the base, and the upper ends of the upright posts are connected with a top beam; the rear of the top beam is connected with a screening beam; an edge protection device is connected with the telescopic beams which are in inner extension connection with the top beam; a balance jack is arranged between the top beam and the screening beam; the screening beam and the base are respectively connected with the front and rear connecting rods; a push jack is arranged on the base and is connected with a push rod; the front part of the top beam is provided with the telescopic beams, the middle part of the top beam is provided with a falling prevention device for the support, and bottom lifting, skid prevention and support regulation devices are arranged on the base; and a levelling device is arranged on a cross binding head on the front end of the push rod; the support adopts 2-meter width between centers, the maximum height ranges from 6.3 meters to 7.5 meters, and the front end of the telescopic beam is provided with a third-stage edge protection device which is not lower than half of the mining height. The support has obvious effects of controlling the wall caving of the coal wall of a super thick coalseam, the roof fall of the ceiling, and the stability of the hydraulic support.

The invention discloses a manufacturing method of a long-acting mosquito-expelling textile, comprising the following steps: firstly, by taking one or a mixture of polyester fibers, high-density polyethylene and polypropylene as a raw material, mixing the raw material with a hygienic insecticide to prepare master batches; then heating the master batches and drafting the heated master batches to prepare monofilaments or composite filaments; then cooling the monofilaments or the composite filaments to room temperature and weaving the cooled monofilaments or composite filaments into a mesh fabric; and finally manufacturing the mesh fabric into a textile. The textile fabric filaments manufactured with the manufacturing method of the long-acting mosquito-expelling textile contain the hygienic insecticide internally and externally, a fabric woven from the textile fabric filaments contains the hygienic insecticide capable of resisting washing of more than 20 times, is durable for 3-5 years, has a knocking-down rate and a killing rate which can reach more than 95% for mosquitoes and insects, and can effectively protect a human body from being bitten by the mosquitoes and insects.

A vibration machining device comprises a frame that forms a structure, a shaft that is rotatably held by the frame, an actuator that rotatably drives the shaft, a cam that is attached to the shaft and the cam surface of which reciprocates when the cam rotates because its height changes in the direction of rotation axis of the shaft, a spindle that holds a machining tool and which is supported so as to be able to reciprocate in its axial direction, and a transfer mechanism that transfers the reciprocation of the cam surface of the cam such that the spindle reciprocates in its axial direction. The reciprocating motion of the cam surface describes a modified sine curve during the period of one complete rotation of the cam.

An iris type light quantity adjusting device is disclosed that includes:

• • a plurality of shading blades, each shading blade pivoting around each shaft provided around a fixed opening in a fixed member. At least one shading blade has extended portion overlapping the other shading blade in order to keep overlapping order with the other shading blade that pivots around the shaft not adjacent to the shaft as a pivot of the abovementioned at least one shading blade.

Each of the shading blades has one or none intersection between an outer edge of the shading blade at an outside in the direction orthogonal to the optical axis and a peripheral edge of the fixed opening within an entire pivoting range, and one of a pair of shading blades approaching from substantially opposite directions during pivoting to a closing direction has, at the tip thereof, a shape not overlapping the other shading blade in a closed position.

The invention provides an insect-repelling antibacterial fabric manufacture process. The manufacture process comprises the following steps: (a) preparing functional yarns: (b) dyeing, fixing color, and washing with water; (c) sizing; (d) waving; (e) desizing, washing with water and oven-drying; (f) soaking in an insect-repelling solution; (g) drying; and (h) shaping. The insect-repelling antibacterial fabric manufacture process disclosed by the invention is reasonable, and the manufactured fabric has a good sterilizing and insect-repelling effect to prevent bites of insects, such as mosquitoes, flies, fleas and bedbugs. In addition, the fabric has the advantages of high resistance to abrasion and wash, long service life, no adverse effects to a human body due to the adoption of natural materials and wide application market.

For preventing clamping an elastic grommet main body at open/close, a waterproof grommet (25) has an elastic grommet main body (2) passing electric wires therethrough and a hold member (30) mounted on an outer surface of an intermediate portion in a lengthwise direction of the grommet main body. The hold member is mountable on a mounting part. The grommet main body (26) has a cylindrical portion (4) and bellows portions (2), (3) at the both side thereof. The hold member (30) is provided on the cylindrical portion. The hold member 30 includes a ring portion (14) and a holding portion (15) provided at the ring portion 14. The ring portion (14) is lockable and capable of being opened and closed.

A buckle for swimming goggles is assembled on a left/right frame of swimming goggles, allowing a head strap pulling therethrough and controlling engagement with or disengagement from stopping grooves of the head strap. The buckle for swimming goggles includes a connecting base, a pressing member pivoting to the connecting base by means of leverage, a button for controlling the pressing member to disengage from the stopping grooves of the head strap, a cover assembled to the connecting base, a wrapping layer, and a mounting element between the connecting base and the cover for mounting on the left/right frame of the swimming goggles. The wrapping layer is provided on an outward side of the cover, and enveloping the button entirely, thereby avoiding nipping users' hair.

The invention provides a device for assisting treatment of sepsis. The device comprises a bed body, wherein a first bed board is fixedly connected on the left side of the upper end of the bed body; asecond bed board is hinged at the right end of the first bed board, and a third bed board is hinged at the left end of the first bed board; a lifting device is arranged at the lower end of the insideof the bed body; a turnover device which can be used for controlling over turning of the second bed board and the third bed board is arranged at the upper end of the inside of the bed body; a cross beam which can move left and right along the second bed board; and a clamping block is arranged on the cross beam, and an arc opening plate is arranged under the center position of the cross beam. According to the device, the mouth of a patient can be opened through the opening plate, and a tracheal catheter can be conveniently inserted into the trachea when mechanical ventilation is performed on the patient, and unsmooth ventilation caused by the fact that the patient bites into the catheter under an unconscious situation can be prevented; the catheter can be fixed through the clamping block during ventilation, an existing mode of sticking the catheter onto the patient face with a medical adhesive tape is replaced, the fixing soundness of the catheter can be reinforced, and the device can be turned from the form of a hospital bed to the form of a hospital chair to facilitate movement.

An efficient positive displacement motor under a well comprises a bypass valve assembly, a falling prevention joint, a motor joint, a universal joint assembly and a bearing joint assembly. The efficient positive displacement motor under the well is simple in structure, convenient to use, stable in operation under the well, safe, reliable, high in complete machine efficiency, capable of outputting larger torque, long in working time and service life, suitable for drilling needs of various complex wells at the present, free of piercing leakage and high in working reliability. A streamlined flow channel enables water conservancy losses of a main flow channel to be reduced, turn-off force is large, the defects of the interference effect and tooth form distortion of the conjugation curvature of a traditional single-screw machine type positive displacement motor are overcome, a universal shaft operates flexibly, energy efficiency is high, the universal shaft can work in the environments where no sand grain exists, and drilling fluid erosion exists, the service life is long, and mechanism strength is high.

In a method for forming a lateral sealed portion, a liquid packing material can be filled without biting bubbles, granulates and so on included in the liquid packing material into the lateral sealed portion. In a method for forming a lateral sealed portion with a pair of lateral sealing rolls after a packaging film fed and run is folded at its central portion and a vertical sealing is performed at their side edge parts to shape into a cylindrical form and a liquid packing material is filled into an inside of the cylindrically formed packaging film, at least a folded side part of the cylindrically formed packaging film is pushed with a pushing means arranged between heat sealing bars located at equal intervals in a circumferential direction of the lateral sealing roll and the lateral sealed portion is formed at a pushed position with the pair of lateral sealing bars.

In a friction plate 40, segment pieces 42 of a friction material are bonded onto a core plate 40 at intervals in a circumferential direction. 43 denotes a spline tooth. On each segment piece, there are formed a first oil groove which is made to open to an inside-diameter side of the segment piece and has its end portion part-way along the segment piece (hereinafter, referred to as a first oil groove) and a second oil groove which is made to open to an outside-diameter side of the segment piece and has its end portion part-way along the segment piece (hereinafter, referred to as a second oil groove). Segment pieces in which a first oil groove 51 and second oil grooves 61 are pressure molded and segment pieces in which a first oil grooves 52 and second oil grooves 62 are stamped are arranged alternately.

The invention relates to an armored data cable, comprising a cable core and a PVC sheath, which is characterized in that: an insulation layer is positioned outside each cable core; the PVC sheath is positioned outside the cable core with insulation layer; a stainless steel strip is rounded laterally outside the PVC sheath; a shielding layer woven by a layer of brass wires or steel wires is positioned outside the armored stainless strip, and an outer sheath is positioned outside the shielding layer woven by a layer of brass wires or steel wires. The invention has the advantages that not only the images and sounds can be transferred clearly, but also the cable can be routed outdoor or in field; in addition, the invention is pressure proof, radiation-proof and rodent prevention.

The invention relates to the field of compound fertilizers, and particularly relates to a slow-release compound fertilizer containing natural worm-expelling components. The fertilizer is prepared from the following raw materials in parts by weight: 10-15 parts of kieselguhr of 1250-2000 meshes, 10-12 parts of potassium sorbate, 16-19 parts of ammonium dihydrogen phosphate, 4-5 parts of magnesium chloride, 10-12 parts of sodium pyrophosphate, 22-23 parts of well-rotted farmyard manure, 6-8 parts of dried tempeh fine powder, 4-6 parts of formosan lattuce herb leaf and stem, 5-6 parts of Tephrosia purpurea stem and leaf, 4-5 parts of burdock dreg powder, 1-3 parts of starch aluminum octenylsuccinate, 1-2 parts of potassium persulfate, 10-12 parts of acrylamide, 1-2 parts of negative ion powder, 2-4 parts of medical stone powder, 6-8 parts of polymeric ferric silicate sulfate and 4-5 parts of assistant. According to the invention, the compound fertilizer formula has wide raw material sources and multiple nutrients; slurry of the formosan lattuce herb leaf and stem and the Tephrosia purpurea stem and leaf contains natural worm-expelling components, so that worms and ants can be prevented from nibbling the fertilizer; and by technically using the kieselguhr and the slow-release coating agent containing the negative ion powder, the nutrients are doubly coated, so that the nutrients are less prone to loss, and the fertilizer efficiency can last longer. In practical application, the compound fertilizer can obviously improve the yield and quality of crops and increase economic benefits.

This prevents biting and miniaturizes an entire mechanism. There is provided a lens driver including: a driver having a frame that holds a lens and a bearing for receiving a guiding axis to move the lens in an optical axis direction, a lead screw in which a screw to which a nut is screwed is formed, and a stepping motor for rotating the lead screw; an arm extended from the frame, in such a way a tip being next to the nut, and moving the frame by movement of the nut; a spring for pushing an arm tip towards the nut; and an idle rotation section placed on only side where the arm is placed for the nut at a lead screw end of the driver, and has an axis diameter disabling the nut to be screwed. Also there is provided an image capture apparatus having the lens driver.

An offset drive link assembly for transmission and multiplication of torque from a power tool for tightening or loosening a threaded fastener includes: a drive force input assembly; a drive force output assembly; and a reaction force assembly. Advantageously the offset drive link assembly: allows access to previously unreachable fasteners due to, for example protruding threads, limited clearances and obstructions; makes practical previously unusable devices driven either electrically, hydraulically, manually and/or pneumatically; makes feasible previously unusable advanced materials, such as, for example aircraft-grade aluminum; creates modular components, such as, for example hex-reducing and -increasing drive bushings, male to female drive adaptors, to meet bolting application characteristics; yields accurate and customizable torque multiplication; tames drive force and reaction force application; overcomes corrosion, thread and facial deformation; avoids bolt thread galling; nullifies side load; ensures balanced bolt load for symmetrical joint compression; simplifies link and tool use; minimizes risk of operator error; and maximizes bolting safety.

A new protective device for use against biting of mosquitoes and other arthropods and in particular, a material which can be used in the manufacture of regular clothing or specialty clothing to protect an individual from bites from mosquitoes and other arthropods.

The invention discloses a rat-proof and termite-proof cable, including a lead, an insulating layer, a wrapping layer, a lime layer, an armor layer, a cable core, a protection sleeve and a microcapsule, wherein the insulating layer is extruded outside the lead to form the cable core, the wrapping layer is extruded outside the cable core, the lime layer is extruded outside the wrapping layer, the armor layer is extruded outside the lime layer, the protection sleeve is extruded outside the armor layer, and the microcapsule is arranged in the protection sleeve. The rat-proof and termite-proof cable is simple and reasonable in structure, environment-friendly and fireproof, and adopts multiple measures for preventing from being bitten by rats and termites.

A connector includes a housing and an electric wire cover assembled with the housing. The housing includes a terminal housing portion and an electric wire leading portion. A locking rib protruding outward is formed on the electric wire leading portion. An assembling portion is formed on an end part of the electric wire cover facing to the housing. The assembling portion includes a locking protrusion and a catching portion protruding more than the locking protrusion in a mounting direction of mounting the electric wire cover on the housing. The catching portion includes a sliding face inclined with respect to the mounting direction. When the electric wire cover is mounted on the housing, the sliding face makes contact with the electric wire leading portion, thereby the assembling portion is displaced outward.