67 results about "Self folding" patented technology

A container assembly has a soft-sided insulated wall structure. It has an internal chamber in which to place objects, such as foodstuffs, to be kept cool or warm. There is a removable liner that is sized to nest snuggly within the outside wall structure. The liner and the outside wall structure have mating mountings. The liner is foldable in a paper bag style to facilitate compact placement in a refrigerator. The liner has thermal storage elements. The bottom wall panel may have two thermal storage elements, and a fold between them. The side walls may be bi-folding, and may have thermal storage elements to either side of the fold. The liner may be waterproof. The liner may be self-folding when placed on its rear face or on its front face, as may be.

The application relates generally to methods useful for the selective amplification of one or more target nucleic acid or fragments thereof, as well as compositions and kits comprising said amplification reaction mixtures. More specifically, the application relates to a composite primer that comprises a 5′ promoter portion and a 3′ target-recognition portion which is complementary to the 3′ end portion of a target polynucleotide sequence; and optionally, a means for identifying the 5′ end portion of the target polynucleotide sequence. The amplification reaction mixture comprises at least one handle-stem-loop structure which comprises a 5′ single-stranded handle comprising the promoter portion and a double-stranded stem comprising at least one pair of self-folding segments hybridized to each other, and optionally, a single-stranded loop comprising the sequence between the pair of self-folding segments.

A device for preserving freshness of contents, such as but not limited to, coffee, paint, nuts, etc., of a container. The device includes a body and a handle. The body is free of venting bores, comes to rest on the contents of the container, and substantially engages the inner side surface of the container, to preserve the freshness of the contents of the container by blocking virtually all air in the container from contact with the contents of the container. The handle extends foldably from the body so as to self-fold onto the body and prevent interference of the handle with the lid of the container when the contents of the container are at such a level in the container that the handle would, in its normal upward position, be interfered with by the lid of the container.

Atrio-ventricular valve stent (1) having a tubular shape, with a sub annular anterior side (2), a sub annular posterior side (3) and sub annular lateral sides (13), the sub annular anterior side (2) comprising a self-folding native leaflet engagement member (4-9) that forms a straight extension of said sub annular anterior side (2) when the stent (1) is collapsed and that is folded on itself when the stent (1) is in an expanded state; said engagement member (4-9) forming an integral part of the stent (1) and wherein each sub annular lateral side (13) is longer than said sub annular anterior side (2) when the stent (1) is in an expanded state.

The invention is a self-cascading air source heat pump water heater, which includes a compressor, a condenser, a water storage tank, a gas-liquid separator, an evaporation-condenser, a regenerator, an evaporator, a fan, a defrosting heater, two Throttle valve, seven temperature sensors, four controllers and two motors, the refrigerant pipeline connects the compressor, condenser, evaporator-condenser, regenerator, evaporator, and throttle valve to form a self-resetting The stacked air source heat pump circulates, and the condenser is installed in the water storage tank. In the present invention, the heat is provided by the air source, and the heat released by the condenser heats the water in the water storage tank through the circulation of the refrigerant. Because the present invention adopts the self-cascading heat pump cycle, it can work normally when the ambient air temperature is low, can supply heat around the clock, has good adaptability throughout the year, and has the advantages of simple structure and convenient installation. The invention can be widely applied to people's production and domestic water.

The present invention is directed to self-folding, soluble, stable RSV G and F polypeptides that contain a neutralizing epitope. Fusion proteins and immunogenic conjugates containing the RSV G and F polypeptides, along with recombinant transgenes and vectors, and host cells suitable for expression of such genetic constructs are also disclosed. Use of the RSV G and F polypeptides, fusion proteins, immunogenic conjugates, or a pharmaceutical composition containing the same, is contemplated for inducing a protective immune response against RSV.

A pair of self-folding legs intended to support a door of an oven when in an open position pivot downwardly from a front surface of the door to a floor surface, thus forming a stable support system. In such a manner, heavy objects can be placed on the door surface as they enter and exit the oven cavity. The pair of legs is fastened to the front surface of the door using a high-temperature adhesive fastening method. The legs automatically pivot down as the door is opened and fold back up when the door is closed. Each leg comprises a height adjustable foot with a rubberized bottom surface to accommodate all styles and sizes of ovens to avoid damage to the floor surface.

A sanitary napkin adapted to be worn in a thong undergarment, the sanitary napkin having a central absorbent pad including a liquid pervious cover layer, a liquid impervious barrier layer and an absorbent core between the cover layer and barrier layer and a pair of flaps extending laterally outward from each longitudinal side edge including a first flap being substantially adjacent the lateral centerline, the first flap being adapted to fold over a crotch portion of the thong undergarment in use along a first preferential bending axis and to contact the garment faceable surface of the thong undergarment, and a second flap being intermediate the first flap and the first distal end, the second flap being adapted to fold over the posterior portion of the thong undergarment in use along a second preferential bending axis and to contact the garment faceable surface of the thong undergarment The first flap is separated from the second flap by a flange portion, the flange portion having a lateral dimension that is insufficient to allow the flange portion to be folded over an edge of the thong undergarment or to contact the garment faceable surface thereof in use. The first preferential bending axis is substantially collinear with the second preferential bending axis within the flange portion.

The invention discloses a paper folding structure capable of conducting self-folding based on electric drive. The paper folding structure is formed by arranging and combining a plurality of rectangular units. Each rectangular unit is provided with the front face and the back face, and each rectangular unit is in left-right symmetry with the center line as the boundary. The front face and the backface of each rectangular unit are provided with memory alloy pasters, the front first memory alloy pasters are located on the left diagonal line and the right diagonal line, and the back second memoryalloy pasters are located on the center line and a boundary of every two adjacent rectangular units. The memory alloy pasters on the front faces and the back faces of all the rectangular units are connected to a power source in parallel through a copper wire. During electrification, the memory alloy pasters are in an unfolding state, and after outage, the memory alloy pasters are in a folding state. According to the paper folding structure, a triangular plane unit not deforming and the connecting line of two adjacent plane units serve as a rotation pair, the folding and unfolding process of the structure is accurately controlled, connecting circuits between the rectangular pasters are connected in parallel, and the actions of the rectangular pasters can be controlled at the same time.

The invention relates to a preparation method of an ultraviolet light induced surface self-folding pattern and an application of the pattern in constructing anti-counterfeiting marks. Specifically, the method includes the steps: (a) coating a solution of a polymer system on a support substrate to form a polymer film; and (b) irradiating the polymer film with ultraviolet light with a wavelength of300 nm or longer to form the folding pattern with identifiable size in a range of 0.1-1000 [mu]m, wherein the polymer system comprises a polymer having groups capable of crosslinking under an ultraviolet illumination condition. In some embodiments, the polymer system comprises a polymer having a photodimeric group or is composed of a polymer having a photodimeric group. In other embodiments, the polymer system comprises a polymer having a photopolymeric group and a photoinitiator or is composed of a polymer having the photopolymeric group and a photoinitiator.

The invention relates to a production method and a product of a novel multiwalled carbon nanotube-dopamine-polyethyleneglycol diacrylate hydrogel film. The method concretely comprises the following steps: 1, adding dopamine into a cross-linking agent solution under an anoxic condition, stirring the dopamine and the cross-linking agent solution at 45-55 DEG C in a shady place for 1-3 d, and freeze-drying the obtained solution to obtain a dopamine cross-linking agent; 2, adding a multiwalled carbon nanotube solution to the dopamine cross-linking agent, uniformly mixing the multiwalled carbon nanotube solution and the dopamine cross-linking agent, and adding polyethyleneglycol diacrylate and a photoinitiator to the obtained mixed solution to prepare a precursor solution; and 3, preparing the hydrogel from the precursor solution. The multiwalled carbon nanotube-dopamine-polyethyleneglycol diacrylate hydrogel film produced in the invention self-folds during transition from a dry environment to a water-containing environment, is independent from the concentration of the multiwalled carbon nanotube-dopamine, has the characteristics of self coiling, conductivity, cell adhesion ability and biocompatibility, affects cell differentiation, has a bone- and nerve tissue-like form after self-coiling, and has application potential in the biomedical science field.

Sail handling system and associated methods for sail raising, dousing, reefing, and stowing when operating sail-powered craft. The present invention allows these operations to be carried out single-handed from the safety of the cockpit in a wide range of wind and water conditions. The sail shape can be controlled continuously at any position as the sail is raised and lowered, offering a much wider range of sail configurations to suit wind conditions. The sail can self-fold / pleat neatly on top of the boom when lowered, ready to be covered. Preferred embodiments of the system incorporate one or more self-adjusting lazy jacks.

The invention relates to a vehicle coat, which can automatically fold and unfold after receiving remote control command and has vehicle anti-theft function. An inflatable frame and a self-folding frame are adopted to unfold and fold the whole vehicle coat. As a pressure transducer is arranged in an inflated area, when the inflatable frame is lacerated on purpose, the interior of the inflatable frame is in low pressure for a long time, thus leading to alarm and playing the role of anti-theft function.

A portable chair has a mechanism for self folding up and cushioning a seat. The mechanism includes a tension spring assembled between a seat frame and a rear leg for collapsing the seat, and a cushioning pad affixed on the rear leg. The tension spring has first and second hook elements disposed on different orientations and engaged with holes. The hook elements are easy to install, and reduce the risk of disengagement after assembly. The length of the spring is substantially equal to the length of the space in which it is assembled, so that it is not excessively stretched during assembly, thereby preventing spring fatigue. The cushioning pad is integrally formed and includes retainer and insert portions through which it is affixed with the rear leg, and a cushion portion that can absorb noise and vibration when the seat is collapsed.

The invention discloses a paper folding structure capable of conducting self-folding based on light drive. The paper folding structure is formed by arranging and combining a plurality of rectangular units. Each rectangular unit is of a sheet structure with the front face and the back face, and each rectangular unit is in left-right symmetry with the center line as the boundary. The front face andthe back face of each rectangular unit are provided with light sensing pasters, the corresponding front light sensing pasters are fixed to the corresponding left diagonal line and the corresponding right diagonal line which are crossed, and the back light sensing pasters are fixed to the center lines and the boundary of every two adjacent rectangular units. The light sensing pasters are bent towards the side deviating from the rectangular units under irradiation, the whole structure is driven to be bent towards the back faces along the center lines and the boundary of every two adjacent rectangular units, and meanwhile, the whole structure is bent towards the front faces along the diagonal lines on the left side and the right side. According to the paper folding structure, light drive is integrally adopted, the response speed is high, a triangular plane unit not deforming and the connecting line of two adjacent plane units serve as a rotation pair, and the folding and unfolding processof the structure is accurately controlled.

The invention discloses a cylinder-driven folding-curtain water regulating mechanism. The water regulating mechanism comprises a sleeve, a limiting support, an air regulating mechanism, a cylinder block, a piston, a sliding chute, a sliding block, a self-folding water-blocking curtain, a folding curtain guide stopping unit and two blocking bulges, wherein the sleeve is a cork oak cork wood pipe which is circular externally and square internally; the sleeve is internally provided with the limiting support; the cylinder block is embedded in the rear end of the limiting support; the cylinder block is internally provided with the piston; the sliding chute is formed in the rear end of the cylinder block; the sliding chute is internally provided with the sliding block capable of sliding up and down only; the sliding block and the piston are connected together through attractive force; the folding curtain guide stopping unit is arranged at the rear end of the sliding block; the self-folding water-blocking curtain is a water-blocking curtain of a wavy structure; and the upper end and the lower end of the self-folding water-blocking curtain are connected with the inner wall of the upper endof the sleeve and the folding curtain guide stopping unit respectively. Compared with the prior art, the water regulating mechanism can meet the requirement that the water diversion plug outflow water quantity is continuously and effectively regulated, is simple and convenient in operation, natural and environmentally-friendly, and has a certain health care effect.

The invention discloses a passenger ship emergency escape door. According to the passenger ship emergency escape door disclosed by the invention, an escape door sheet is mounted in a side wall body of a superstructure of a passenger ship; an electric push rod is connected between the emergency escape door sheet and the side wall body of the superstructure of the passenger ship; a controlling and processing system is used for receiving a signal inputted by an information acquisition system and performing calculating and judging on the hull collapse attitude; and when the situation that the signal of an attitude sensor and the signal of a water pressure sensor are normal is judged, the controlling and processing system is used for controlling an electromagnetic safety lock to be in a locking state to guarantee the sealing property of the wall body; and when the situation that the signal of the attitude sensor or the signal of the water pressure sensor are abnormal is judged, the controlling and processing system is used for unlocking the electromagnetic safety lock and controlling the electric push rod to release the emergency escape door sheet. According to the passenger ship emergency escape door disclosed by the invention, when the passenger ship is collapsed, the emergency escape door sheet can be automatically opened to provide an escape channel for abroad staff, and can also adjust the self folding angle to keep the level stable state according to the oblique degree of the hull to be temporarily served as a safe and reliable diving platform, so that the escape speed of the abroad staff is obviously increased.

The invention discloses a non-fold non-polymer graphene wet transfer method. The method comprises the following steps: cleaning and blow-drying copper foil with graphene grown on the copper foil; preparing a corrosion solution with a certain concentration, wherein an anti-crease agent is contained in the corrosion solution; adding heptane to the corrosion solution to obtain a heptane-anti-crease agent, and dropwise adding the heptane-anti-crease agent on the graphene-copper foil; floating the graphene-copper foil with a heptane layer on the liquid surface of the corrosion solution, wherein thecopper foil and the corrosion solution are positioned on the liquid surface, and the graphene is positioned on the copper foil; adding the heptane-anti-crease agent on the graphene-copper foil on thecorrosion solution; waiting for the copper foil to dissolve completely, and horizontally placing the oxide layer of a substrate on the graphene; slowly pressing the substrate onto the graphene untilthe graphene fully contacts the substrate, so that the graphene is attached to the substrate to form a graphene-substrate; cleaning the obtained graphene-substrate; and carrying out drying to obtain the clean graphene-substrate. With the method provided by the invention, breakage caused by the self-fold of the graphene is avoided when the graphene is transferred.

The invention discloses a double-sealing automatic folding air bag valve mechanism. The double-sealing automatic folding air bag valve mechanism comprises a sleeve, two limiting supports and an adjusting mechanism, wherein the two limiting supports are arranged in the sleeve, and the adjusting mechanism is arranged in the position, located between the two limiting supports, of the upper wall bodyof the sleeve; and the adjusting mechanism comprises a ventilation pipe, a hollow air adjusting pressing cap, a sealing film, a deflation bolt, an air bag, a first vent hole, a second vent hole, a self-folding mechanism and an air closing flap, wherein the lower end of the ventilation pipe is provided with the sealed air adjusting pressing cap capable of sliding up and down and not separated fromthe ventilation pipe, the sealing film is arranged in the air adjusting pressing cap, and the bottom of the sealing film is provided with the deflation bolt for pushing the air closing flap. Comparedwith the prior art, the double-sealing automatic folding air bag valve mechanism has the advantages of being easy to operate, good in applicability, low in cost, good in sealing effect, and small in adjustment abrasion; and moreover, natural materials are adopted for machining, so that a certain bacteriostasis and health care effect is achieved, and the flow of water is not influenced.

A self folding polygonal impermeable food box and a tool for its forming. The box is made from cardboard coated on its inside with PET film or foil. The box has a bottom, six lateral sides, two lateral sides and eight corner sides which are partially transparent and directed towards the inside of the box . The box is covered by a cover so that the sides of the cover rest on the outer surfaces of the lateral sides and seal the box. There is also a second variant of the box. The tool for forming the box, which is preferably made from stainless steel, has a bottom, six guides and two guides, which form the six lateral sides and the two lateral sides of the box.

The invention relates to a self-folding structure-containing polyurethane. The self-folding structure-containing polyurethane is prepared from 1,5-diisocyanatonaphthalene, pyromellitic dianhydride, diisocyanate, hydramine and an oligomer dihydric alcohol. Compared with traditional elastomer materials, the self-folding structure-containing polyurethane prepared in the invention has greatly increased elasticity, modulus, strength, elongation at break and other mechanical performances, and has potential application in the mechanical field and the chemical engineering field. A preparation method of the self-folding structure-containing polyurethane has the advantages of simplicity, easiness in enforcement and control, and high production efficiency.

The invention relates to a punch, in particular to an automatic punch which collects and arranges products. The automatic punch mainly comprises a cutting machine, a synchronous belt, a cutter template and a product automatic folding frame. The synchronous belt is arranged on a machine frame, the cutting machine is arranged at the middle position of the synchronous belt, an ejector rod is arranged at the tail end of the synchronous belt, the product self-folding frame capable of being repeatedly taken out and arranged in is correspondingly arranged at the upper end of the ejector rod, the product self-folding frame is used for collecting punched and cut products, the synchronous belt is driven by a synchronous pulley, the ejector rod is driven by a cylinder, the synchronous pulley is driven by a motor, and synchronous speed regulating control is conducted on the ejector rod and the synchronous belt through a PLC module. The automatic punch has the advantages that the product self-folding frame for collecting the products is arranged on the punch, after the products are punched and cut, the punched and cut products on the punch are directly collected and arranged, many problems caused by manual collecting are avoided, secondary pollution to the products is also avoided, time and labor are saved, and production efficiency is greatly improved.

The invention relates to the field of chiral catalyst preparation, in particular to a temperature-sensitive chiral amino acid copper complex catalyst and a preparation method thereof. The invention relates to a preparation method of a temperature-sensitive chiral amino acid copper complex catalyst, which comprises the following steps: (1) reacting chiral amino acid with acyl chloride containing double bonds, thereby introducing unsaturated carbon-carbon double bonds into the chiral amino acid to obtain a chiral amino acid compound containing carbon-carbon double bonds; (2) carrying out polymerization reaction on the chiral amino acid compound containing the carbon-carbon double bonds and N-isopropylacrylamide to obtain a temperature-sensitive chiral amino acid block polymer; and (3) finally, carrying out self-folding on the temperature-sensitive chiral amino acid block polymer under the action of metal copper salt through coordination to form the temperature-sensitive chiral amino acidcopper complex. The catalyst obtained by the invention not only improves the catalytic reaction efficiency of asymmetric Henry addition reaction in a pure water phase, but also has the characteristics of simple recovery and excellent reusability.

The invention relates to a roller blind film solar charger, which is used for charging mobile electronic equipment such as mobile phones, tablet computers, battery electric vehicles, electric bicycles, etc., and can be carried around, or is mounted on products such as luggage, tents, battery electric vehicles, electric bicycles, etc. The object of the roller blind film solar charger is to providea film solar power source which is small, simple, convenient, capable of unfolding and self-folding. The invention makes a film solar cell as a roller blind type, and the film solar cell is folded andunfolded by a reel. A power output module is mounted on the reel and rotates synchronously along with the reel; using a thin metal rod, folding at an angle to be a hook, and connecting one end with the film solar cell. The beneficial effects of the roller blind film solar charger are followings: structure is simple, using convenient, and can be widely used in various application scenarios; the power output module is mounted on the reel, and rotates synchronously along with the reel without a complex wiring mechanism, and the internal circuit will not be knotted or twisted due to rotation.

The invention relates to a balloon catheter. The balloon catheter comprises a catheter body and a balloon sleeving the distal end of the catheter body, the balloon comprises a first pin and a second pin, the first pin and / or the second pin each include at least one folding part, and the at least one folding part is folded and fixed in the circumferential direction of the catheter body to at leastform at least one ridge and at least one recessed area facing the interior of the balloon at the positions, adjacent to the folding parts, on a balloon body of the balloon. The invention further relates to a manufacturing method of the balloon catheter. According to the balloon catheter and the manufacturing method thereof, wing self-folding of the balloon in the balloon catheter after negative pressure suction is realized, and meanwhile, the passing ability of the balloon catheter is improved.

The invention discloses a portable solar cell module and a manufacturing method thereof. The method comprises the first step of arranging an H-shaped positioning frame on a foundation layer, the second step of turning a left tongue of the H-shaped positioning frame leftwards and turning a right tongue of the H-shaped positioning frame rightwards to form a rectangular light receiving window, the third step of placing the light receiving face of a solar cell towards the rectangular light receiving window, the fourth step of enabling the light receiving face of the solar cell to correspond to the rectangular light receiving window, the fifth step of resetting the left tongue and the right tongue of the H-shaped positioning frame, the sixth step of connecting the electrodes of the solar cell in series and in parallel through soft connecting wires and leading the soft connecting wires out to the output end, the seventh step of paving a splicing glue film, a light receiving face protection material and a back light face protection material, the eighth step of forming an integrated structure of the solar cell, the ninth step of setting a fixing component, the tenth step of setting a butt joint self-folding component and the eleventh step of adding a junction box. The technology process for the portable solar cell module becomes easier and operable and the production efficiency is improved through the flexible H-shaped positioning frame.

The invention relates to the field of folding beds, in particular to a portable fully-folded type folding bed, which comprises a bedstead and a bed cloth, wherein the bedstead comprises two long beams and end support legs, and the end support legs are arranged at the ends of the long beams; the end support legs comprise inclined support legs, telescopic swing rods and an X-shaped swing frame; the upper end of each telescopic swing rod is hinged to the end part of the corresponding long beam; the upper end of each inclined support leg is hinged to the corresponding long beam, and the upper end of the X-shaped swing frame is hinged to the upper end of each telescopic rod; the lower end of the X-shaped swing frame and the lower end of each inclined support leg are respectively hinged to the lower end of the corresponding telescopic swing rod. The portable fully-folded type folding bed has the advantage that the support structure of the long beams adopts the end support legs, so that when the two long beams relatively move, the end support legs are simultaneously driven to completely and automatically fold or unfold, the respective manual folding or unfolding of the support structure by several times is not needed, the folding and unfolding process of the folding bed is convenient, and the self folding and unfolding process can be quickly completed.