47results about How to "Slender structure" patented technology

A polishing pad of excellent durability has a polishing layer is arranged on a base material layer, and the polishing layer comprises a thermosetting polyurethane foam having roughly spherical interconnected cells with an average cell diameter of 35 to 300 μm.

The invention provides environment-friendly paper and a preparation method thereof. The environment-friendly paper comprises the following components by weight percent: 65-85% of calcium carbonate fibers, 3-10% of thermoplastic starch, 10-20% of polyolefin resins and 2-5% of auxiliary components, wherein the calcium carbonate fibers are needle-like single-crystal fiber materials with average diameter of 0.5-1mu m and length diameter ratio being not less than 20/1; the thermoplastic starch is the micronized, plasticized and modified starch material; the polyolefin resins are polyethylene or polypropylene materials with melt index being 5-30; and the auxiliary components at least comprise surfactants with contents being not less than 1% and lubricants with contents being not less than 1%. The environment-friendly paper has the characteristics of low ration, little proportion and stable and uniform size, has good ink absorbency and printing adaptability, excellent performance indexes, such as whiteness, opacity, smoothness and tensile index and good texture and processability and can realize thermoplastic process. The environment-friendly paper accords with the present national development policy of the low carbon industry and has broad market prospect.

A fine-structure transfer apparatus has a base plate, a first post and a second post erected on the upper surface of the base plate, an elongated stamper that is fixed at one end to the upper end face of the first post. The stamper is supported at the other end in a vertically movable manner by means of an ascending/descending unit provided on the second post. A transfer element holding stage is provided on the upper surface of the base plate between the first and second posts in a position that corresponds to the position of the lower surface of the elongated stamper where a fine pattern is formed. A pressure-applying unit is provided to reciprocate on the upper surface of the elongated stamper along a longitudinal direction thereof. The transfer apparatus is characterized by the ease with which the stamper can be detached from the transfer element.

A capo that includes a clamping bar (1) which is intended to extend transversely over the fingerboard on the neck of a stringed instrument, and a tensioning device which includes a resiliently bendable tensioning strap (6) whose one end-part (2) is essentially flexurally rigid and connects generally perpendicularly with one end of the bar (1). The other end can be detachably connected to the other end of the bar (1) with the aid of a fastening means (7, 8, 9; 11, 12), so as to clamp the bar (1) securely against the fingerboard with a desired clamping force. The tensioning strap (6) is free-standing from bar in its non-tensioned memory state, and the one end-part of the tensioning strap is directed at its connection with the bar in a manner such as to diverge from the undersurface of the neck when no tension is applied to the strap (6). The tensioning strap has in a non-tensioned state a memory form in which the strap holds the components of the fastening means (7, 8, 9; 11, 12) close to their mutual position of engagement. The tensioning strap (6) is pre-formed such that when initially tensioned, it will contact the neck in a peripheral region that lies beyond the symmetry plane of the neck (6) from a corner angle (3) between the one bar end and one end-part (2) of the strap, whereby a force resultant to the area of contact of the strap with the neck (6) strives to hold the neck corner (4) in engagement with the corner angle (3) and therewith tighten or tension the capo.

A wind turbine generator (1) is disclosed comprising a nacelle (7) and rotor (8), and a tower (2, 3, 5) between said nacelle and a foundation (4), wherein said tower comprises an ultra-high performance fiber reinforced composite (UHPFRC) tower part (3) extending from the foundation (4) and including at least four tower segments (13, 14, 15, 16) arranged on top of each other to form a column, and pre-tensioning steel strands or bars (22) for pre-tensioning said tower segments (13, 14, 15, 16) in a vertical direction, wherein said UHPFRC tower part (3) is made in a UHPFRC with a percentage of steel fibers per volume in the range of 0.5 to 9, such as 1 to 6, and preferably in the range of 2 to 4.

A moving walkway pallet is composed of a series of plates of a plate belt arranged to circulate between two deflecting regions of the walkway. Each plate has a base body with a base surface to which a tread element can be attached. The plates are pivotally connected to each other along pivot axes (SA) extending across a width (B) of the plates. The pivot axis is located either in a plane containing the base surface or above the side of the plane, remote from the base body. The base body has a width base body cross-section having a geometric center of gravity arranged below the base surface.

The invention provides a fabricated net-shaped suspender tie-bar arch bridge. The fabricated net-shaped suspender tie-bar arch bridge is composed of prefabricated arch ribs, prefabricated tie bars, prefabricated beams, net-shaped suspenders, prefabricated bridge deck slabs, prestressed steel cables of the prefabricated arch ribs, prestressed steel cables of the prefabricated tie bars, high-strength anchor rods and cast-in-place wet joints; the prefabricated arch ribs and the prefabricated tie bars are integrally formed, the net-shaped suspenders are arranged between the prefabricated arch ribsand the prefabricated tie bars, the prefabricated beams are supported below the prefabricated tie bars through the high-strength anchor rods, and fixedly arranged below the prefabricated tie bars atintervals, and the prefabricated bridge deck slabs are laid on every two adjacent prefabricated beams, and provided with the cast-in-place wet joints. The fabricated net-shaped suspender tie-bar archbridge is generally applicable to highway bridges, branch overpass bridges and municipal bridges, the span length can reach 50-250 m, and the fabricated net-shaped suspender tie-bar arch bridge has the advantages of being high in fabricated degree, low in dead weight, strong in spanning capability, high in construction speed, excellent in mechanical performance, low in cost, good in landscaping performance and the like, and is a novel fabricated bridge structure easy to popularize.

A door closer, in particular a hinge door closer, including a locking function or free-swing function, having a door closer housing, an output shaft to be connected to a door, a piston assembly connected to the output shaft and guided in the door closer housing, a closer spring, a piston rod adapted to connect the piston assembly to the closer spring, a hydraulic lock compartment adapted to lock the closer spring, and in particular a free-swing assembly which is adapted to enable a translational motion of the piston assembly decoupled from the closer spring when the closer spring is locked.

The invention discloses a tilting structure of an aircraft and a vertical take-off and landing aircraft, and belongs to the technical field of aircrafts. The tilting structure of the aircraft comprises a shell, a tilting arm, a screw rod assembly, a connecting rod and a driving device, wherein the tilting arm can be pivoted to the shell up and down in a pivoting mode; the screw rod assembly comprises a screw rod and a screw rod nut, and the two ends of the connecting rod are hinged to the tilting arm and the screw rod nut correspondingly; the driving device is connected with the driving end ofthe screw rod and is used for driving the screw rod to rotate; and the driving device drives the screw rod to rotate so as to drive the screw rod nut to slide back and forth, and then pushes the connecting rod to enable the tilting arm to tilt up and down so as to realize the vertical take-off and landing function. According to the titling structure, the screw rod nut is used for transmitting power, so that a whole tilting mechanism has the advantages of being slender and compact in structure, small in pneumatic resistance, high in reliability and long in service life. The invention further provides the vertical take-off and landing aircraft.

The invention relates to a high-heat conductivity PBT composite material and a preparation method thereof. The composite material is prepared from the following components in parts by weight: 60-80 parts of PBT, 8-12 parts of a heat conduction filler, 20-30 parts of calcium sulfate whiskers, 0.1-0.5 part of an antioxidant and 0.1-0.3 part of a lubricant, wherein the heat conduction filler is treated magnesium oxide. After MgO is subjected to surface treatment, the dispersity of the MgO in a PBT resin matrix is improved, the surface activation energy of the MgO is reduced, adhesion between the MgO and the PBT resin matrix is enhanced, interfacial adhesion between the filler and the resin matrix is improved, the heat resistance at the interface is reduced, and a heat conductivity coefficient of the composite material is increased.

The invention discloses a steam heating type cooking utensil, belongs to the field of kitchen household appliances, and solves the problem that pots in existing steam rice cookers cannot be taken andplaced conveniently. The steam heating type cooking utensil includes a machine body and a pot externally arranged on the machine body. The machine body is provided with a steam generator and a steam outlet communicating the steam generator; the pot includes a pot body, a pot cover and an arm-type handle arranged on the pot cover, and the pot body and the pot cover are defined to be arranged outside a cooking cavity; and the arm-type handle is provided with a butt joint part extending out of the peripheral side of the pot cover, a steam butt joint port communicating the cooking cavity is arranged on the butt joint part, and the butt joint part is in butt joint with the machine body so as to enable the steam butt joint port to communicate the steam outlet. The steam heating type cooking utensil optimizes the connection mode between the pot and the machine body, thus eliminating an original machine head, the appearance of the cooking utensil can be more exquisite and the pot can be more convenient to take and place.

The present invention relates to an optical sheet, and a polarizing plate and a liquid crystal display comprising the same, the optical sheet comprising a base film and a light condensing pattern layer formed on one surface of the base film, wherein the base film is stretched in the transverse direction (TD, width direction), and an in-plane phase retardation value (Re) represented by formula 1 below is about 5,000 nm to about 15,500 nm: Re = (nx - ny)*d where nx and ny respectively denote the refractive indexes of the x-axis and y-axis directions, and d denotes the thickness of the film.

The invention relates to the technical field of electronic cigarettes, and in particular relates to a portable and comfortable electronic cigarette. The portable and comfortable electronic cigarette comprises a shell, a first switching device used for opening and closing a cartridge pipe, a branch pipe communicating with the end part of the cartridge pipe, and a second switch device used for opening or closing the branch pipe; the shell is provided with a first mounting area used for mounting the cartridge pipe and arranged on one side of the shell, a second mounting area used for mounting a power supply device and arranged on the other side of the shell, and a third mounting area used for mounting a PCB, the first mounting area and the second mounting are arranged at one end of the shell,and the third mounting area is arranged at the other end of the shell. Through the first switch, the path through which liquid and dust enter the inside of the electronic cigarette from the cartridgepipe and the branch pipe is blocked, and thus the waterproofing and dustproofing properties are strong; and due to the layout design of the first mounting area, the second mounting area and the thirdmounting area, the assembled electronic cigarette has the slender integral structure, thus the holding of a user is comfort, the portability is strong, and finally, the user experience is greatly improved.

A door closer, in particular a hinge door closer, having a free-swing function, including a door closer housing, an output shaft to be connected to a door, a piston assembly connected to the output shaft and guided in the door closer housing, a closer spring, a piston rod adapted to connect the piston assembly to the closer spring, a free-swing assembly which is adapted to enable a translational motion of the piston assembly decoupled from the closer spring when the closer spring is locked, and which is embodied as a sliding-coupling which exclusively transmits compressive forces between the closer spring and the piston assembly, and a hydraulic lock compartment adapted to lock the closer spring.

The invention discloses a water treatment device comprising circular pipe filling and a use method and belongs to the technical field of water treatment. The water treatment device comprises a tank body reaction system, a gas distribution system and a water distribution system, wherein gas is supplied to a gas distribution pipe via adjustment and opening of an aeration pipe, the gas distribution pipe and a pulse pipe in a gas distribution area; the pulse pipe is connected with a gas storage tank from a high pressure fan via an adjustment valve; an outlet is connected with the pulse pipe via areducing valve, an electromagnetic valve and an adjustment valve; the circular pipe filling is 3-6mm in outer diameter D, 10-30mm in length L, 0.5-1mm in pipe wall thickness h and 1.05-1.2g/cm<3> in density rho; U-shaped notches are formed at the two ends of circular pipes; and the circular pipes are made from PVC (polyvinyl chloride). An operating state of the filling can be changed by adjustinga gas distribution valve according to influent quality. The device is used for biochemical sewage treatment and has a good synchronous treatment effect on C, N and P; the working state of the fillingcan be adjusted according to different C/N ratios; back flushing is easy and low in energy consumption; the possibility of blocking is low; the surface area per unit volume is large; and the device issimple to manufacture.

The invention discloses an intracavity radiotherapy device which is used for bearing radioactive particles or particle strips. The device comprises: a body which is formed by winding a metal wire andis a hollow silk screen which is through from front to back; and a radioactive particle tank, wherein the radioactive particle tank is formed in the outer surface of the body, is a hollow cylindricalsilk screen which is through from front to back and is used for containing radioactive particles or particle strips, the radioactive particle groove comprises a plurality of groove bodies which are arranged in parallel, the distance between every two adjacent groove bodies is smaller than the length of the radioactive particles or particle strips, and the radioactive particle groove and the body are made of a same material and are formed by winding a metal wire, or formed by one-time injection molding of a biodegradable material. According to the intracavity radiotherapy device, the number andthe positions of the radioactive particles can be freely adjusted according to images after a doctor puts the radioactive particles into a body, and the device is slender, softer and low in manufacturing cost.

The invention discloses a manufacturing method of a whisker enhancement type fiberglass full thread roof bolt, wherein the technical process comprises the following steps: yarn supplying, resin pickup, hot briquetting, heat preservation, step cooling, dragging and cutting. The manufacturing method can overcome the defects that the traditional fiberglass full thread roof bolt has poor surface finishment, serious abrasion for equipment, poor toughness, poor fatigue resistance, poor chemical resistance, poor humidity resistance and is easy to absorb water.