131results about How to "Won't tear" patented technology

A beaker (1) is described which is made from a paper material, has a fillable interior and is formed by a conical cover (2) and a base (3). At the lower end of the interior, the base is fastened to the cover in a substantially fluidtight manner by way of a chime (4). The cover and/or the base in the region of the chime and/or the chime itself have/has an outwardly protruding widened portion (10) at least in one region along the circumference. A lower edge (14) of the widened portion forms a standing face for the beaker. The widened portion can form a means for holding another beaker of the same type, which means can interact with a beaker of the same type when the beaker is stacked. The beaker can have a heat-insulating outer cover.

The invention discloses a pipe packing machine which comprises a rack, an automatic feeding device, magnetic isolating type film penetrating devices, film clamping devices, compressing devices and sealing devices. Driving supporting wheels used for supporting and limiting pipes and driving packing films on the pipes to move backwards and locating devices used for locating the rear ends of the pipes are arranged on the rack. The magnetic isolating type film penetrating devices are arranged at the front end of the rack and used for opening the packing films, sleeving the front ends of the pipes with the packing films and locating the front ends of the pipes. The film clamping devices slide in the front-back direction of the rack and used for clamping the packing films opened by the magnetic isolating type film penetrating devices and sleeving the rear ends of the pipes with the packing films from the front ends of the pipes. The compressing devices are suspended above the rack and used for compressing the pipes downwards. The sealing devices are suspended above the rack and located at the front end and the rear end of the rack respectively, and the sealing devices are used for carrying out edge cutting and sealing on the packing films. The pipe packing machine can complete the motion of sleeving the pipes with the packing films automatically, stably and effectively, and the films can be prevented from falling off.

A heat exchanger structure capable of prolonging the service life of a calcined coke heat exchanger relates to a petroleum-coke pot-type calcining furnace, and is characterized in that an upper flange is composed of a plurality of upper flange plates (7), each upper flange plate (7) is fixedly connected with an annular upper header (8) and two adjacent upper flange plates (7) are connected through a connecting plate (9) at the lower side, a gap is formed between two adjacent upper flange plates (7) and a heatproof material (11) is filled in the gap. The upper flange of the heat exchanger structure capable of prolonging the service life of the calcined coke heat exchanger is composed of a plurality of upper flange plates; and the expansion gap is formed between two adjacent upper flange plates so that deformation due to that the thermal expansion of the upper flange is greater than the thermal expansion of the annular upper header can be effectively compensated and the stress of the welding joint between the upper flange and the annular upper header and that of the circular weld joint of the annular upper header can be reduced; as a result, the working reliability of the calcined coke heat exchanger is improved and the service life of the calcined coke heat exchanger is prolonged.

The invention relates to the field of textile, and discloses a cotton seed separating device which comprises a body. The inside of the body is provided with a feeding port, a feeding pipe, an operation barrel, a pressuring roller and a sliding rail, a screw rod is arranged in the feeding pipe and provided with a chamber, a through hole, a first bevel gear, a steamer and a motor, the first bevel gear is engaged with a second bevel gear, the second bevel gear is coaxially connected with an incomplete gear, a baffle plate is fixedly connected at the tail end of the feeding pipe, a conveying pipeis fixedly connected at the top of the operation barrel and connected with a treatment box, an air feeding plate, a plurality of heating pipes and a fan are arranged in the operation barrel, air outlet holes are densely formed in the air feeding plate, a separating tank is arranged on the operation barrel, a brush is arranged in a separating box, a collecting box is communicated with the bottom ofthe separating box, a rack and a spring are arranged in a guide rail, a pushing rod and a connecting rod mechanism are arranged on the rack, a needle plate is arranged on the pushing rod, iron splinters are densely distributed on the needle plate. By the aid of the technical scheme, the separating device solves the problems of low quality of cotton fibers separated by a ginning machine and more cotton dust in the prior art.

The invention relates to a production system (10) and a method for producing a plurality of motor vehicle number plate blanks (23) within said production system (10), wherein the motor vehicle numberplate blanks (23) are produced from a metal strip (21; 22) guided continuously through the production system (10), wherein the metal strip (21; 22) is fed by at least one drive (60) to at least one laminator (40) and at least one press device (50). The laminator (40) applies a film to the metal strip (21) while the press device (50) compression-forms the metal strip (22) that is provided with thefilm and separates individual motor vehicle number plate blanks (23). According to invention, the at least one drive (60) is designed as a contactless feed which moves the metal strip (21; 22) in a contactless manner. Said contactless feed is arranged directly in front of the press device (50) and is designed to inductively warm the metal strip (21; 22) while the metal strip is moving (21; 22).

The invention discloses a snow accumulation prevention device for an ecological agriculture planting greenhouse. The device comprises a vertical supporting rod, the upper portion of a transverse supporting rod is fixedly connected with a light windpipe, the light windpipe is fixedly communicated with an elastic air bag, the elastic air bag comprises an inner cylinder and an air bag cover, the surface of the inner cylinder is provided with air vents, two ends of the inner cylinder are respectively and fixedly connected with connectors, two ends of the air bag cover are respectively in sealing sleeved connection to the connectors, one end of the light windpipe is communicated with an inflator pump through a gas filled tube, the other end of the light windpipe is communicated with a sucking pump through a suction pipe, the gas filled tube is provided with a first solenoid valve, and the suction pipe is provided with a second solenoid valve. The snow accumulation prevention device for theecological agriculture planting greenhouse has the advantages that the elastic air bag can be internally inflated and deflated in heavy snow weather, the purpose of flapping and jacking up plastic film of a plastic greenhouse is achieved, the greenhouse is prevented from being collapsed due to the fact that snow accumulation on the upper portion of the greenhouse is excessive, through the cycle work of the sucking pump and inflator pump, manual interference is not needed, and a lot of manpower is reduced.

To provide a method for scribing a brittle material substrate, such as a glass substrate, on which a resin layer is formed according to which a scribe line can be created efficiently without fail. [Means for Achieving Object] A cutter wheel (10) with notches (15) having a blade surface with two parts: one part having a first blade surface (12) with a first ridgeline angle ( 1) between the left and right sides, the ridgeline being the outer periphery of the circular cutter wheel, and the other part having a second blade surface (13) that continues to the bottom of the first blade surface (12) on the left and right sides, where the first ridgeline angle ( 1) is appropriate for cutting a brittle material substrate and the second blade surface (13) has an angle appropriate for cutting the resin layer, is provided, and this cutter wheel (10) is rolled over and pressed against the upper surface of a resin layer (3) so that the resin layer (3) is cut by the second blade surface (13), and at the same time the blade ridgeline of the first blade surface (12) bites into the substrate so as to create a scribe line.

A floating type rotary hot gold stamping method includes the steps that discharged foil films are placed between a gold stamping roller and a bottom roller, the foil films are located on printed matter, and gold foil on the foil films is transferred on the printed matter in a covering mode through rolling of the gold stamping roller and the bottom roller. Intermittent feeding and slight dumping of the foil films are achieved through left-right sliding of a gold stamping floating roller, the foil films are tensioned and are not deviated, synchronous gold stamping of the foil films and the printed matter is achieved, and the foil films cannot be wasted or broken. A floating type rotary hot gold stamping device is characterized in that a guide rail slide assembly is arranged on a station, between a gold stamping foil discharging mechanism and the gold stamping roller, on an archway and connected with a power source through an intermediate drive assembly, and the gold stamping floating roller is arranged on the guide rail slide assembly. The floating type rotary hot gold stamping device is especially suitable for conveying thin paper and light paper similar to the foil films, and the printing effect and the printing quality of the printed matter are greatly improved.

Provided is a single-sided hollow stainless steel welding filtering plate. A supporting layer is fixed between a stainless steel forming bottom plate and a stainless steel wire gauze. The outer edges of the stainless steel forming bottom plate and the stainless steel wire gauze are welded and fixed. A supporting ring is provided with flow guide grooves at intervals, installed between the stainless steel forming bottom plate and the stainless steel wire gauze and located in an inner ring of the supporting layer. Through liquid outlets are formed in the middles of the stainless steel forming bottom plate, the stainless steel wire gauze and the supporting ring. The single-sided hollow stainless steel welding filtering plate has the advantages that the whole outer edges of the stainless steel forming bottom plate and the stainless steel wire gauze are welded to form a single-sided filtering whole; during backward flushing, the edges are firmly welded, the outer edge of the filtering plate can not be torn off, and filtered liquid quality is ensured; the stainless steel wire gauze is not prone to impurity adhesion or blockage and is easy to flush; gaps of the stainless steel wire gauze with an upper open face are uniform and consistent, liquid leakage prevention is ensured through the stainless steel forming bottom plate, and the single-sided hollow stainless steel welding filtering plate is open in upper face, closed in lower face and high in strength.

The invention discloses a production method of a wallpaper backside waterproof coating liquid. The coating liquid is composed of the following components in parts by weight: 50 to 60 parts of acrylic acid latex, 30 to 40 parts of grinded calcium carbonate, 1.2 to 1.5 parts of polyacrylic acid viscosity adjusting agent, and 1 to 2 parts of waterproof sizing agent; and is prepared by evenly mixing all the components together. The production method is simple, the formula is reasonable, and the production cost is low, so the production method is suitable for industrial production. The wallpaper coated by the coating liquid has a very good waterproof performance and strength; so that the backside that is adhered on the wall of the wallpaper will not be damaged by mildew due to stuffiness and dampness; moreover, the strength of the wallpaper is high, thus the wallpaper will not be torn and broken when the wallpaper is adhered to the wall by an adhesive, and the service life of wallpaper is guaranteed.

The invention provides an artificial auxiliary handheld power-driven pomelo tree girdling machine capable of clamping a branch in a variable-diameter manner by using spring plates. The machine comprises a handle, a spring, a rotation shaft, the spring plates, a fixed ring and a miniature direct current motor, wherein the spring which is a tension spring is fixedly installed on the handle; when in operation, the spring plates clamp a branch of a pomelo tree to be prevented from rotating along with a girdling knife; the handle is divided into two parts; the fixed ring is installed on the handle; two parts of the fixed ring are buckled to form a whole ring; the fixed ring and the spring plates are opened and closed along with the opening and closing of the handle; a groove is arranged on the fixed ring; an idler wheel is embedded into the groove and rolls in the same; a link rod penetrates through the center hole of the idler wheel; the idler wheel rotates circumferentially; the two pomelo tree girdling machines are connected together by the link rod; a girdling handle is fixed on the link rod; the girdling knife is arranged at one end of the girdling handle while a link plate is arranged on the other end; and under artificial auxiliary, the girdling knife rotates circumferentially by taking the fixed point of the handle and the link rod as a circle center and the distance between the fixed point and the knife point of the girdling knife as a radius to girdle the pomelo tree.

The invention provides a side impact prevention energy absorption plate for an automobile door, and relates to the technical field of automobiles. The side impact prevention energy absorption plate comprises an elastic protective layer, a hexagonal energy absorption grid and an outer layer steel plate which are arranged from inside to outside, wherein the elastic protective layer is internally provided with at least one layer of carbon fiber net; the thickness of the elastic protective layer is 2-5mm, the thickness of the hexagonal energy absorption grid is 10-20mm, and the thickness of the outer layer steel plate is 3-6mm; the inner side of the elastic protective layer is stuck with a soft sponge cushion; the thickness of the soft sponge cushion is 5-8 mm; when side impact occurs, the side impact prevention energy absorption plate can protect the bodies of a driver and passengers, and the pressure of the automobile door sinking inwards is prevented; simulation experiments prove that an automobile which is additionally provided with the side impact prevention energy absorption plate can absorb 46.21% of the collision kinetic energy when the side collision occurs, so that the personal safety of the driver and the passengers is effectively protected.

The invention discloses a plastic film winding device and relates to the field of plastic manufacture. The plastic film winding device comprises a support, a feed roller, spreading rollers, a discharge roller, and a driving motor that drives the feed roller and the discharge roller to rotate. The feed roller is located between and higher than the spreading rollers that are disposed at a right side of the support. The feed roller rotates faster than the discharge roller. A tensioning roller is disposed between and slightly higher than one spreading roller and the discharge roller. The tensioning roller comprises a roller body, a roller shaft, and end caps fixed to two ends of the roller shaft. The roller body defines an air chamber, and comprises a rubber layer and steel bars fixed thereto. A plurality of bar-shaped grooves are radially formed in each end cap. Ends of the steel bars are embedded in the corresponding bar-shaped grooves. An air hole communicating with the air chamber is formed in the roller shaft, and an air connector is disposed at an end of the roller shaft. The tensioning roller provided in the plastic film winding device has a flexible body, i.e., is capable of deforming under pressure produced by a film; thus, the tension of the film can be controlled within a reasonable range.

The invention relates to a fluid pump, in particular liquid pump, with a rotor, with a rotor shaft (11) and with at least one rotor blade for delivering the fluid, wherein the rotor with regard to its diameter may be changed between a first, compressed condition, and a second expanded condition, wherein the at least one rotor blade comprises at least two erection elements (12, 13, 14) which are distanced to one another along the longitudinal axis (18) of the rotor shaft (11) and which project away from the shaft in the expanded condition of the rotor, as well as at least two limp rib elements (25, 26, 27, 28, 29, 30) which run at a distance to one another from one erection element (12, 13, 14) at least up to a further erection element, wherein a limp membrane (10) is held between the rib elements, which is tautened in the expanded condition of the rotor. A good compressibility of the rotor with low counter-forces, as well as a simple setting-up of the rotor may be achieved by the membrane-like design of the rotor blades. The membrane may for example be manufactured with the immersion method.

A bolt limiting type suspension cushion assembly comprises an upper framework, vulcanized rubber and a lower framework, wherein the upper framework and the lower framework are vulcanized integrally through the vulcanized rubber; and downward turning edges are arranged on two sides of the upper framework, upward turning edges are arranged on two sides of the lower framework, the two upward turning edges are arranged on outer sides of the two downward turning edges, and the downward turning edges are matched with the adjacent upward turning edges in a limited manner through limiting bolts fixedly connected with the outer sides of the downward turning edges. The assembly is convenient to install, good in damping effect and capable of effectively preventing tearing of the vulcanized rubber and prolonging the service life.

The invention relates to a jigsaw blade (1) having one first (3) and one second (4) row of saw teeth disposed at an angle to each other. Both the first and the second row of saw teeth encompass an angle relative to the push or cut direction, the angle (alpha1) of the first row of saw teeth being directed conversely to the angle (alpha2) of the second row of saw teeth.

The invention relates to a gearbox arrangement for a rail vehicle, with at least one pair of spur gears having helical toothing, said arrangement comprising a drive pinion (1) and a drive wheel (2), which are mounted by means of cylindrical roller bearings (5, 5A) in a gearbox housing (4), wherein at least one thrust collar for absorbing axial forces via a contact area (8, 8A) is arranged on at least one of the spur gears, and wherein each thrust collar is substantially designed as a pressure plate (7, 7A) such that lubricant is applied, at least in certain sections, to the contact region (8, 8A) provided on the peripheral region of each pressure plate, independently of the rotational movement.

The invention discloses a heat sealing structure. The heat sealing structure comprises an annular structure surrounded by a plurality of rotating parts, a regular polygon guide rail for providing a sliding track for each rotating part, a driving assembly for driving the regular polygon guide rail to rotate, and an annular base for providing limited positions for the annular structure, the regularpolygon guide rail and the driving assembly; the annular base is arranged above the regular polygon guide rail; the axis of the annular base coincides with the axis of a circumscribed circle of the regular polygon guide rail; and the annular structure is arranged between the annular base and the regular polygonal guide rail. According to the heat sealing structure, as the annular structure surrounded by the rotating parts is additionally arranged, and a guide sliding groove and a guide sliding block are matched for use, the running structure of the annular structure is more stable, and a bag can be prevented from being clamped at a seam.

Transparent hardening composition is prepared from components in parts by weight as follows: 5-20 parts of organic cellulose ester, 15-30 parts of monomers, 10-30 parts of a prepolymer, 2-7 parts of a first initiator, 2-7 parts of a second initiator, 0.1-1 part of a leveling agent and 30-65 parts of an organic solvent, wherein the organic cellulose ester structurally contains, in percentage by mass, 2%-55% of an acyl functional group and 1%-5% of a hydroxyl functional group. The organic cellulose ester in the composition remarkably improves the weather fastness, crimpiness, film coating property, flexibility, adhesion and wear resistance of a hardened coating of a transparent hardened TAC film, and the transparent hardening composition can be widely applied to the field of glasses lenses.

The invention relates to an efficient electromagnetic pulse valve and a working method thereof. The efficient electromagnetic pulse valve comprises an upper valve seat and a lower valve seat, whereinan air inlet channel is formed in the edge of the lower valve seat, an air outlet channel is formed in the center of the lower valve seat, a first diaphragm assembly is arranged between the upper valve seat and the lower valve seat to partition the air inlet channel and the air outlet channel, a first air chamber is arranged between the first diaphragm assembly and the upper valve seat, a plurality of air channels used for enabling the air inlet channel to communicate with the first air chamber are formed in the lower valve seat along the central axis of the lower valve seat in an array mode,mounting seats are arranged in the air channels, valve rods capable of moving axially relative to the mounting seats are arranged in the centers of the mounting seats in a penetrating mode, through holes enabling the upper sides and the lower sides of the mounting seats to communicate with each other are further formed in the mounting seats, valve bonnets used for sealing the upper ends of the through holes are arranged at the upper ends of the valve rods, and compression springs used for jacking the valve bonnets to be at the upper ends of the mounting seats are further arranged at the upperends of the valve bonnets. According to the efficient electromagnetic pulse valve and the working method thereof, a throttling hole does not need to be arranged on a valve diaphragm, so that the valveis prone to blockage during working, and the circulation efficiency of airflow is improved.