189results about How to "Increased bending stiffness" patented technology

Aspects of the present disclosure relate to mounting electronics and optical systems in head-worn see-through computer displays. In embodiments, a head worn computer includes an optical chassis with a rigid open box structure configured to provide a stable optical mounting reference plane and a plurality of image source reference planes. The head worn computer further includes a first image source mounted on one of the image source reference planes to project first image light through a first hole in the optical mounting reference plane and a second image source mounted on a second of the image source reference planes and configured to project second image light through a second hole in the optical mounting reference plane. An outer frame holds the optical chassis such that, when worn by a user, the first and second image light is aligned with the eyes of the user.

This invention relates to an elasticated materials comprising a stiff carrier material that is satisfactorily elasticated with one or more elastic strands with a low load force, due to the use of a specific bonding pattern, with specific bonding areas. The bonding areas are typically separate bonding areas positioned on separate intervals along the length direction of the carrier material, whereby each bonding area comprises one or more separate bonding zones, extending in the width (X) direction. The invention also relates to absorbent articles comprising this elasticated material and processes for making the elasticated material.

An LED lamp 100 according to the present invention includes: a substrate 20 with an upper surface; a plurality of LED chips 10, which are arranged on the upper surface of the substrate 20; and a reflector 30, which has reflective surfaces that reflect emissions of the respective LED chips 10 at least partially. The reflector 30 includes a resin and a framework that is made of a material having a higher flexural rigidity than the resin.

A non-pneumatic tire is provided with an annular reinforcing web that reduces the bending of compression spokes formed in the tire and reduces stresses and strains in the tire. The non-pneumatic tire includes an inner hoop member having an inner surface that defines the inner diameter of the tire, and an outer hoop member having a tread groove region that defines the outer diameter of the tire. A disc-shaped central web portion connects the inner and outer hoop members. A plurality of elongated, radially aligned cavities on either side of the central web defines integrally-formed compression spokes which connect the inner and outer hoop members. The annular reinforcing web is located on and affixed to either side of the central web portion and interconnects a mid portion of each spoke to a mid portion of the spokes on either side of it. Preferably, the annular reinforcing web is reinforced with fiber webbings on its outer side for added strength. The annular reinforcing web allows the tire to be made with less polyurethane material with no reduction in load carrying capability.

An ultrathin carbon fiber having two or more tubular graphene sheets layered is disclosed. The tubular graphene sheets has a polygonal cross section in a direction substantially orthogonal to the axis of the ultrathin carbon fibers, a diameter of the fiber is 15 to 100 nm, an aspect ratio of the carbon fiber is not more than 10⁵, and I_D/I_G of the carbon fiber as determined by Raman spectroscopy is not more than 0.2.

A dual-frequency ultrasound transducer, comprising a piezo-electric element bonded to a substrate, has two resonant vibration modes: a low frequency mechanical bending resonance mode and a relatively high frequency thickness resonance mode. The low frequency bending resonance mode occurs when the piezo-electric element is excited, in use, by a voltage which includes a low frequency oscillating component. The high frequency thickness resonance mode occurs when the piezo-electric element is excited, in use, by a voltage which includes a relatively high frequency oscillating component. The transducer may include a mounting arrangement, such as a support ring securing the periphery of the substrate to an underlying base layer that enhances the depth of penetration and focus of the ultrasound.

The invention relates to a fibre reinforce plastic (FRP) ribbing folded plate-concrete combined bridge deck and belongs to the filed of bridges. An FRP folded bottom plate with ribbed plates is comprised; the ribbed plates are arranged at the concave part of the folded bottom plate and provided with round holes; a large-area structure of the folded bottom plate can be achieved by connecting the ribbed plates together; reinforced ribs are arranged in and pass through the round holes of the ribbed plates; meanwhile, reinforced ribs parallel to the reinforced ribs in the round holes are arranged on the top surface of the folded bottom plate and main reinforced ribs vertical to the reinforced ribs in the round holes are paved above the reinforced ribs on the top surface; and finally the structure of the bridge deck can be formed by concrete casting. The invention has the advantages of simple structure, convenient construction, good simplicity and reliability and high load-carrying property.

An energy-absorbing vehicle hood includes outer and inner layers defining a cavity filled with foam material. The outer layer fractures when subjected to a crush load to thereby transmit the load to the foam material where it is absorbed, and both layers are continuously and directly bonded to the foam material. A vehicle includes a vehicle hood assembly having outer and inner layers defining a cavity, with foam material filling the cavity. The outer layer fractures when subjected to a crush load to transmit the load to the foam material for uniformly absorption of the crush load. A hood panel is also provided for use with a vehicle, including an energy-absorbing polymer foam material entrapped between an outer and inner polymer membrane. The membranes have a crush strength, and the foam material is characterized by an absence of a reinforcing structure.

The invention discloses a hollow interlayer pipe wall compound steel pipe concrete wind power tower with ribs. The tower comprises a cast-in-place reinforced concrete foundation and a steel pipe concrete tower section set. Steel pipe concrete tower sections are connected through horizontal flange discs to form a vertical tower cylinder, meanwhile, the bottom of the tower cylinder is fixed on the cast-in-place reinforced concrete foundation, the steel pipe concrete tower sections comprise inner steel pipes, outer steel pipes and concrete layers cast in the interlayers between the inner steel pipes and the outer steel pipes, first reinforced ribs are arranged on the peripheries of the outer walls of the inner steel pipes, and second reinforced ribs are arranged on the peripheries of the inner walls of the outer steel pipes. Compared with an existing steel tower, the compound steel pipe concrete structure with a hollow interlayer and with the pipe walls provided with the ribs is used, the reinforced ribs are arranged on the pipe wall sides where the inner steel pipes and the outer steel pipes are in contact with concrete, the interface binding force of the steel pipes and the concrete is enhanced, the bearing capacity and the ductility of the tower are improved, and early local buckling damage of the thin-wall steel pipes can be avoided or delayed.

The invention discloses a structure and a manufacturing process of a low-cost carbon fiber composite material sky railway train body, and belongs to the technical field of application of composite materials on rail vehicles. The structure comprises a train body side wall, wherein end walls are assembled and connected to the both ends of the train body side wall; a top frame and a bottom frame arecorrespondingly assembled and connected to the inner top surface and the inner bottom surface of the train body side wall, a ceiling is assembled and connected to the outer top surface of the train body side wall, and a bogie mounting hole is formed in the ceiling; the train body side wall and the end walls both comprise reinforced rib frames, inner skins and outer skins, and grids of the reinforcing rib frames are filled with sandwich foam blocks; the ceiling comprises a sandwich panel, an upper skin and a lower skin, and the top frame, the bottom frame, the reinforcing rib frame, the inner skins, the outer skins, the upper skin and the lower skin are all integrally molded from carbon fiber composite materials; and the inner portions of the reinforcing rib frames are filled with sandwichfoam, and the purpose of satisfying the function and structure of the load bearing mode of a suspension-type train body on the premise of light weight of the train body is achieved.

The invention provides a hinge for locking a four-bar mechanism. The hinge comprises a locking hinge, an eccentric shaft, a limiting screw, a locking hook, a locking pin, a fork hinge, a cam, a hinge spindle, a deployment spring and the four-bar mechanism, wherein the locking hinge and the head of the fork hinge are hinged through the hinge spindle, the head of the locking hook is hinged in the middle of the hinge spindle, the limiting screw is fixed at the tail of the locking hinge along the locking hinge thickness direction, one end of a locking oscillating bar of the four-bar mechanism is hinged with the tail of the locking hinge through the eccentric shaft, the other end of the locking oscillating bar is hinged with one end of a connecting bar through the locking pin, one end of a crank is hinged with the other end of the connecting bar through a connecting bar spindle, the other end of the crank is hinged with the head of the locking hinge through a crank spindle, a crank pin is hinged on an extension arm of the crank, the cam is hinged at one end of the hinge spindle, an inner ring of the deployment spring is fixedly connected with the other end of the hinge spindle, and the outer end of the deployment spring is fixedly connected with the bar spindle. The hinge is applied to deployment and locking of components such as solar wings and high in locking rigidity.

The invention relates to the concrete composite structure of a hollow double-deck FRP pipe, which is characterized in that the composite structure comprises an outer FRP pipe used as a lateral wall, an FRP barrel used as an inside wall and a steel and concrete composite layer or a concrete layer which is used as a fixed connector between the outer FRP pipe and the FRP barrel. The invention has good structural mechanical performance and earthquake resistance, which reduces the sole weight of the structure and strengthens the bending rigidity of the structure, thereby resulting in the convenient convey of the components and quick construction and installation; the invention is applicable to strengthen the modification works and in particular to be applied to the poles and bracing members of buildings, bridges and special structures in severe environment such as ocean, marsh, alkaline land, etc.

The invention relates to the field of foundation bases and discloses a multi-row mini-pile enclosing structure for blocking soil and a construction process. The multi-row mini-pile enclosing structure for blocking soil comprises a top beam (2) and more than two rows of mini piles (2), the mini piles (2) comprise front-row piles (21) and rear-row piles (22), cement stirring piles (3) are arranged between the front-row piles and the rear-row piles (22), and the top ends of the mini piles (2) are connected together by the top beam (1). The construction process comprises the steps of digging grooves, positioning pile heads, drilling, grouting, casting and the like. The multi-row piles have the advantages that the whole performance is good, the anti-bending rigidity is high, the lateral deformation of a foundation pit and the surface subsidence of the periphery of the foundation pit can be effectively controlled by an inner support or an anti-pulling anchor rod, the construction time can be saved well and the construction cost is reduced.

The invention relates to a transparent gas barrier packaging laminate having a required bending stiffness, comprising outer layers of heat-sealable polyolefin, two polymer carrier layers each being coated with a SiOx gas barrier layer, wherein the two polymer carrier layers with SiOx layers are laminated to each other by means of an intermediate polymer layer, which in comparison to the other surrounding layers is relatively stiff and thicker. The required stiffness of the packaging laminate is obtained by the I-beam interaction between the two carrier layers and the intermediate distancing polymer layer. Preferably, the thickness of the intermediate polymer layer constitutes from about 30 to about 55% of the total thickness of the packaging laminate. The invention also relates to a packaging container such as a pouch or similar manufactured from the packaging laminate and to a method of manufacturing of the packaging laminate.

The present invention relates to a transversal or inclined swing arm (1) used for vehicle forward shafts, which comprises a first guiding arm (2) and a second guiding arm (3), wherein, the first guiding arm (2) is provided with a deformation part (12) arranged ahead and a rigidity part (13) arranged rearwards in a running direction (8), besides, the first guiding arm (2) is designed into the following form that the first guiding arm (2) mainly generates an energy-absorbing type deformation in the deformation part (12) when accident happen.In order to compel the deformation happens inside the deformation part (12), compared to the flexural rigidity of the deformation part (12), flexural rigidity of a bending axis (14) which is outstretched transversally around vehicles and is arranged for the rear rigidity part (13) is enhanced. When contact with curbstones occurs, both the deformation part (12) and the rear rigidity part (13) generate energy-absorbing type deformation.

An automatic milking plant is provided with a short milk hose, which, due to spaced-apart elevations in its center piece, has sufficient mechanical stability vis-a-vis pressure differences as well as a high flexibility. The use of the short milk hose according to the present invention leads to a reduction of the mechanical strain on the udder and thus also reduces irritations of the animal to be milked.

An object of the present invention is to provide a packing box having its ridge(s) collapsed so that there would be no body bulging occurring in the box and potential serpentine folding line would be avoided.

Provided is a packing box having a top panel 3, a bottom panel 7, two long side panels and two short side panels, in which at least either one of a ridge defined between said top panel and said long side panel or a ridge defined between said bottom panel and said long side panel is formed by at least two parallel rules configured to be different in depth from adjacent one.

The invention relates to a wing skin structure, in particular to a deformable skin structure with a designable poisson ratio, aiming at solving the problem that the existing skin structure cannot meet the requirements of lower deformation rigidity along the deformation direction and higher structural rigidity along other non-deformation directions, thus being not capable of bearing aerodynamic load and inertia load. The deformable skin structure comprises a honeycomb structure base body, a flexible elastomer and a plurality of pneumatic artificial muscles, wherein the honeycomb structure base body is a honeycomb structure body formed by arranging positive poisson ratio honeycomb unit bodies and negative poisson ratio honeycomb unit bodies in a mixed way; the flexible elastomer is poured onto the honeycomb structure base body and the plurality of pneumatic artificial muscles so as to form a flexible panel. The deformable skin structure with the designable poisson ratio is used for manufacturing aircraft wing skin.

The invention provides a high-performance fluid damnailg vibration isolator. The high-performance fluid damnailg vibration isolator comprises an upper connecting piece, a lower connecting piece, a rigid rod, an upper main corrugated pipe, a lower main corrugated pipe, an upper buffering corrugated pipe and a lower buffering corrugated pipe, wherein a damnailg hole is formed in the axis of the rigid rod, a first flange is arranged outside the rigid rod, the inner rings of a second flange and a third flange are connected with the two ends of the rigid rod through a diaphragm spring, and the outer rings of the second flange and the third flange are fixedly connected with the upper connecting piece; the upper main corrugated pipe is located between the first flange and the second flange, and the lower main corrugated pipe is located between the first flange and the third flange; the upper buffering corrugated pipe is arranged on the upper side of the second flange, and the lower buffering corrugated pipe is arranged on the lower side of the second flange; the upper main corrugated pipe, the lower main corrugated pipe, the upper buffering corrugated pipe and the lower buffering corrugated pipe are communicated with the damnailg hole and are filled with a fluid medium. The high-performance fluid damnailg vibration isolator has the advantages of being free of friction and fluid damnailg, high in bending rigidity, and capable of improving the performance and application range of the isolator.

The invention relates to a steel pipe concrete frame with prestressing tendons and a construction method thereof. The steel pipe concrete frame with the prestressing tendons is formed by connecting composite columns with composite beams through joints. The composite beams are horizontally arranged among the composite columns. The joints are outer sleeving integral type joints internally filled with self-compacting concrete. The composite columns are sectional-type steel pipe concrete composite columns with built-in profile steel. The composite beams are internal-prestress I-shaped steel pipe concrete composite beams. The prestressing tendons arranged in the composite beams bypass joint outer pipes from upper strengthening annular plates with cavities. The prestressing tendons are positioned through single-hole positioning plates and hole-formed double-hole main positioning plates, form symmetrical curve shapes and achieve tensioning and anchoring at joint end beams. The self-compacting fine stone concrete of the composite beams and self-compacting fine stone concrete of the joint end beams are through and form a whole with the joint outer pipes after curing. The problem that beam-column connecting joints of a novel steel pipe concrete frame with prestressing tendons are complex and liable to damage is solved.

A method of improving the resistance of collagenous tissue to mechanical degradation in accordance with the present invention comprises the step of contacting at least a portion of a collagenous tissue with an effective amount of a crosslinking reagent. Methods and devices for enhancing the body's own efforts to stabilize discs in scoliotic and other progressively deforming spines by increasing collagen crosslinks. This stability enhancement is caused by reducing the bending hysteresis and increasing the elasticity and bending stiffness of progressively deforming spines, by injecting non-toxic crosslinking reagents into the convex side of discs involved in the potential or progressing deformity curve. Alternatively, contact between the tissue and the crosslinking reagent is effected by placement of a time-release delivery system directly into or onto the target tissue. Methods and devices that use crosslinking agents for increasing the permeability of an intervertebral disc, improving fluid flux to the intervertebral disc, and increasing the biological viability of cells within the intervertebral disc are provided.

The invention discloses a U-shaped steel-concrete composite beam, relates to a composite beam, and solves the problems that the conventional I-shaped steel-concrete composite beam has poor fire resistance and poor overall stability, an outsourcing steel-concrete laminated plate composite beam has low anti-shear bearing capacity, the complete cooperative work of a steel beam and concrete is not guaranteed easily. The U-shaped steel-concrete composite beam comprises a concrete plate, U-shaped steel, a plurality of pieces of angle steel, a plurality of longitudinal stress reinforcing steel bars, a plurality of erect reinforcing steel bars and the concrete; each web plate of the U-shaped steel is fixedly connected with a flange plate which is arranged horizontally; the U-shaped steel and the flange plate are integrated; the plurality of pieces of angle steel are fixedly connected in the U-shaped steel along the length direction of the U-shaped steel; an erect reinforcing steel bar is welded on the side surface of each piece of angle steel; the longitudinal stress reinforcing steel bars are fixedly connected with the corresponding erect reinforcing steel bars along the length direction of the U-shaped steel; the concrete plate is arranged on the top of the U-shaped steel; the reinforcing steel bars in the concrete plate are bent and then extend into the U-shaped steel; the concrete is cast in the U-shaped steel. The U-shaped steel-concrete composite beam is applied to civil engineering construction.

The invention provides an automobile anti-collision beam structure and an automobile. The automobile anti-collision beam structure comprises a cross beam and a rear-mounted plate arranged behind the cross beam, the cross beam is installed on a front longitudinal beam through energy absorption boxes symmetrically arranged at the two sides of the cross beam, the cross beam and the rear-mounted plate are hollow pipe parts, and the cross beam and the rear-mounted plate are filled with porous parts. By means of the automobile anti-collision beam structure, the flexural rigidity of the cross beam can be enhanced, so that more collision force is transmitted to the energy absorption boxes and the front longitudinal beam along the cross beam, and meanwhile the energy absorption effect of an anti-collision beam is increased as a result of honeycomb structures arranged inside the automobile anti-collision beam structure; the contact area between each energy absorption box and the cross beam is increased, the force transmission path is guaranteed, and the collision absorption capability is great.

A movable-core guidewire including a proximal portion and a distal portion. The proximal portion includes a proximal hollow tube. The distal portion includes a coil coupled to the proximal hollow tube and an elastomeric distal tube disposed within the coil. A core wire is disposed within the hypotube. The core wire is movable between a distal position wherein a portion of the core wire is disposed in the distal tube and a proximal portion wherein the core wire is removed from the distal tube. A method is also disclosed for advancing the guidewire to the treatment site.

A pneumatic tire for heavy load is provided to be able to effectively enhance the transversal stiffness, so that the carcass can be prevented from breaking before the other reinforcement members such as a belt and a reinforcement layer break. A tread rubber is arranged radially outwardly on the crown portion of the carcass. A belt consisting of at least one belt layer is arranged between the tread rubber and the carcass. The belt layer containing cords extending in a direction inclined from the tire's circumferential direction. At least one circumferential reinforcement layer containing meandering cords extending generally along the tire's circumferential direction in a wavy or zigzag shape is provided radially outwardly or inwardly on the belt or between the belt layers. At least one transversal reinforcement layer containing straight cords extending generally perpendicular to the tire's circumferential direction is provided on the position radially outwardly adjacent to the crown portion of the carcass.

The invention discloses a novel combined stone beam. The stone beam comprises a stone beam body, wherein a tensile region of the stone beam body is provided with a groove in the longitudinal direction of the stone beam body; a reinforcement material under a certain horizontal prestressing force is arranged in the groove in the longitudinal direction; the reinforcement material is fixed in the groove in a bonding way through a bonding material; and both ends of the reinforcement material are firmly fixed on both longitudinal ends of the stone beam body respectively through anchor devices. Compared with the prior art, the combined stone beam substantially increases the cracking moment, bending rigidity and anti-bending bearing capacity of the stone beam by embedding the high-strength tensile reinforcement material in the tensile region of the stone beam body and applying prestressing force and anchoring. Moreover, the combined stone beam can be applied in a beam-type stone-structure member of larger span and has the advantages of great width, high bearing capacity, no damages to stone-structure style and features and beauty, and the like; and therefore, the combined stone beam can be used in a newly-built stone-structure project and the reinforcement of an existing stone structure.

A first electrode having light transmissivity is formed on a first surface of a first light transmissive substrate and. An organic functional layer includes a light-emitting layer and is located on an opposite side to the first light transmissive substrate with the first electrode interposed therebetween. A second electrode is located on an opposite side to the first electrode with the organic functional layer interposed therebetween. A second surface which is a surface of the first light transmissive substrate on an opposite side to the above-mentioned first surface is fixed to the second light transmissive substrate, which has a bending rigidity higher than that of the first light transmissive substrate. First irregularities are formed in the second surface of the first light transmissive substrate, and second irregularities are formed in a surface of the second light transmissive substrate which faces the first light transmissive substrate.

An exemplary weighing module is disclosed which has a load receiver and a weighing cell that are connected to each other by a force-transmitting rod, wherein the weighing module is arranged inside a design space whose dimensions in a plane extending orthogonal to the load direction are limited by the design spaces occupied by neighboring weighing cells or represent the largest dimension of the weighing cell in said plane. An exemplary weighing cell has a parallel-guiding mechanism in which at least one movable parallel leg which is connected to the force-transmitting rod and at least one stationary parallel leg are arranged with a predefined guiding distance from each other, connected to each other by at least one upper parallel-guiding member and at least one lower parallel-guiding member. The effective length of the parallel-guiding members is larger than the guiding distance, and the movable parallel leg does not protrude out of the design space.

The invention relates to a seismic-resistant electrical cable comprising a conductor, a semiconductive layer, a conductor shielding layer, an insulating layer, an insulating shielding layer, a copper strip shielding layer, an elastic body packing, a wrapping layer, an isolating sleeve, a thin round steel wire armoring layer, a thick round steel wire armoring layer, a copper conductor, an isolated layer and an outer sheath. The seismic-resistant electrical cable is characterized in that a semiconductive band layer is wrapped outside the conductor; insulating materials, packing materials, isolating sleeve materials and outer sheath materials are all elastic body polymers; and double-layer steel wire armoring is adopted for the armoring layers. The invention has higher shearing rigidity, bending rigidity and damping ratio, obvious effects of shear resistance, bending moment, axial force, torsion, and the like, and excellent seismic-resistant and seismic-proof capacity.

The embodiment of the invention discloses a corrugated web steel beam-concrete combined flat beam and a construction method thereof. The corrugated web steel beam-concrete combined flat beam comprises a precast reinforced concrete plate, a corrugated web steel beam, a post-cast reinforced concrete plate, anti-shear connecting pieces and steel bars, the corrugated web steel beam comprises a top flange, a bottom flange and a corrugated web, the top flange is welded to the top of the corrugated web, and the bottom of the corrugated web is welded to the bottom flange; and the anti-shear connecting pieces are fusion-welded to the top flange of the corrugated web steel beam, the precast reinforced concrete plate is overlapped to the bottom flange of adjacent corrugated web steel beams and is accommodated between the top flange and the bottom flange, the steel bars are distributed at the upper portions of the corrugated web steel beam and the precast reinforced concrete plate, concrete is cast at the upper portion of the precast reinforced concrete plate, the upper portion of the precast reinforced concrete plate is covered with the anti-shear connecting pieces, and the cast concrete extends to the edge of the top flange and covers a steel bar net, and forms a reinforced concrete laminated slab together with the precast reinforced concrete plate. The corrugated web steel beam-concrete combined flat beam can reduce the occupied building floor height and has improved shear capability.