Abstract: A vacuum laundry chute system is disclosed. The system includes a receptacle, at least one chute, and at least one closure. The receptacle includes a vacuum device, a cavity for receiving an article of clothing, a container to surround the vacuum device and the cavity, and a door coupled to a side of the container. Activating the vacuum device seals the door. A first end of the chute is coupled to the receptacle and protrudes away from the receptacle. The at least one closure is detachably coupleable to a second end of each chute. The closure includes a sealing component detachably coupleable to the second end of the chute, and an activator mounted to the sealing component to activate the vacuum device in response to a pre-defined condition.

Abstract: A self-aligning interface (6300) is attached to a robotic carton unloader (6100) and provides an interface between an extendable conveyor (6200) and the robotic carton unloader (6100). The self-aligning interface (6300) can include a positional measurement device (6320, 6320b, 6320c) mounted on the robotic carton unloader (6100) and operatively engaged with the extendable conveyor (6200) to provide positional information about the location of the extendable nose conveyor (6220) relative to the positional measurement device (6320, 6320b, 6320c). A control unit (6180) is attached to the robotic carton unloader (6100) for full robotic control of robotic carton unloader (6100) and the unloading process. The control unit (6180) is connected to the positional measurement device (6320, 6320b, 6320c) and the extendable conveyor (6200).

Abstract: A system for allowing a vehicle or trailer to be secured to a loading dock is provided. The system is capable of being stowed away into the vehicle or trailer when not in use, and moveable to a locking position for interfacing with the dock's restraining system when the vehicle or trailer is to be secured to the loading dock.

Abstract: An image forming apparatus may comprise a first feeding unit, a second feeding unit, a feeding control unit, an image forming unit, a reversal unit, a post-processing unit, and a post-processing control unit. Based on a post-processing time amount notified from the post-processing control unit, the feeding control unit does not allow a sheet to wait in the reversal unit and adjusts a feed time of a sheet fed from the first feeding unit so that the sheet fed from the first feeding unit does not contact with a sheet waiting in the second feeding unit.

Abstract: A sheet conveyance apparatus includes a guide member, a holding member, and urging members. The guide member can move between a first position to guide a conveyed sheet toward a first conveyance path and a second position to guide the conveyed sheet toward a second conveyance path. A first urging member applying applies an urging force to the holding member so that the guide member is held at the first position. The second urging member applies, to the guide member, an urging force to move the guide member from the first to the second position. The holding member is movable between a hold position at which the guide member is held and a release position in which the holding member releases the guide member. When the holding member is at the release position, the guide member is held at the second position by the second urging member urging force.

Abstract: A lateral positioning device (100) for a sheet element (20, 20?) in a sheet element processing machine; a detector lever (130) articulated relative to a horizontal axis, which performs a descending movement from a high position to a low position; a first end (132) of the detector lever (130) contacts, in a low position of the lever, with an upper face of the sheet element. A second end (133) of the detector lever (130) is fitted with a target (135) that cooperates with a position detector (140) to generate a signal dependent on the thickness of the sheet element (20, 20?) and the number of sheet elements (20, 20?) present at the level of the first end (132) of the detector lever (130).

Abstract: An apparatus is disclosed. For example, the apparatus includes a paper feed to feed print media a single sheet at a time, a plurality of rotating discs, wherein each one of the plurality of rotating discs comprises an elastomer ring to secure a leading edge of the single sheet against a registration wall and initiate a flipping process, an air duct to force an air flow towards the print media to levitate a trailing edge of the single sheet during completion of the flipping process, and a movable platform to hold a stack of the print media.

Abstract: A dispenser with a case including a base and a cover that together define an internal storage region, and an adjustable axle assembly, mounted within the internal storage region of case, including an axle and at least one movable stop that is configured to be secured to the axle.

Abstract: A dispenser for pillow napkins is provided that includes a carton having a bottom panel, opposite left and right panels extending vertically from the bottom panel, opposite front and back panels positioned between the left and right panels and extending vertically from the bottom panel, and a top panel extending parallel to the bottom panel. Left and right supports are positioned within a cavity of the carton. A plurality of pillow napkins are wound about a spool. The spool is positioned in the cavity such that the spool rotatably engages the left and right supports and the pillow napkins are spaced apart from the top and bottom panels. Methods of use are provided.

Abstract: The present invention relates to a method and a device for producing a roll (18) made of a material web (5) of flexible material which is guided via a contact roller (19) of a winder and is wound in the said winder to form a roll (18), wherein the contact roller (19) maintains contact with the roll (18) during winding and the wrap angle (?) of the material web (5) passing over the contact roller (19), as the former is progressively wound, is maintained throughout at a variable reference value predetermined for each winding. In this way the wrap angle (?) for the winding can be adapted to the respective composition of the material web (5), which improves the quality of the winding.

Abstract: A device for automatically unwinding web-shaped materials (8) from a master roll (3), and to a method for operating a device of this type are disclosed. The device has an infeed arm (2) and a first drive unit (6), wherein the master roll (3) by way of the winding core (4) thereof is rotatably mountable on the infeed arm (2), and the first drive unit (6) serves for introducing a driving force into the master roll (3). In order for high productivity to be achieved, the unwinder (1) has an outfeed arm (13) to which a second drive unit (14) for introducing a driving force into the master roll (3) is assigned, wherein the master roll (3) during an unwinding procedure is transferable from the infeed arm (2) to the outfeed arm (13).

Abstract: An image rendering apparatus and method of operating a center tray of an image rendering apparatus. The image rendering apparatus includes a cavity, and a center tray having a home position located within the cavity and a retrieval position located outside the cavity. The image rendering apparatus further includes a retraction mechanism that is attached to the center tray and an interior wall of the cavity. The retraction mechanism is configured to allow for the extension of the center tray from the home position to the retrieval position, and from the retrieval position to the home position.

Abstract: A device for simultaneous three-sided trimming of products in a plurality of cutting stations includes a common upper knife carrier operable in a vertical motion, blades to be attached to the upper knife carrier for at least front edge trimming and top and bottom trimming of the products and a first drive for driving the upper knife carrier. A conveyor system has top-related and bottom-related pairs of conveyor belts for conveying the products through the cutting stations of the device and a second drive driving the conveyor system. The first and second drives are self-contained, mutually independent drives connected to one another by control units. The top-related and bottom-related pairs of conveyor belts of the conveyor system are each driven by self-contained, mutually independent, position-controlled drives.

Abstract: A method includes generating a depth stream from a scene associated with a conveyance device; processing, by a computing device, the depth stream to obtain depth information; recognizing a gesture based on the depth information; and controlling the conveyance device based on the gesture.

Abstract: This unique Elevator Alert Status Indicator (EASI) system monitors a number of elevators for different error conditions. If a problem occurs, a pictorial representation of the problem will be shown on a screen, along with an alphanumeric elevator location. This system will also sound an alarm for certain high importance problems to get the attention of maintenance and other staff of the building. However, any fault condition can be chosen to sound an alarm.

Abstract: A vibration dampening device is operable to dampen vibrations within ropes of an elevator car or other components to improve ride quality, and is further operable to harness or harvest and convert energy from those vibrations into electrical energy. The dampening device includes a macro-fiber composite and the vibrations are communicated or transmitted to the macro-fiber composite. The macro-fiber composite is operable to harness or harvest and convert energy from vibrations into electrical energy. Such electrical energy is communicated or transmitted to a control system of the elevator car for storage and/or use.

Abstract: An elevator includes a hoistway, an elevator car and a counterweight vertically movable in the hoistway, a drive machine including a drive sheave, a roping including one or more ropes between the elevator car and the counterweight and passing around the drive sheave and suspending the elevator car and the counterweight. The drive sheave is positioned in the hoistway space between a hoistway wall and the vertical projection of the car, the drive sheave rotation plane being at least substantially parallel to the hoistway wall. The rope(s) is/are belt-like, each including at least one force transmission parts for transmitting force in the longitudinal direction of the rope, which force transmission part is made of composite material including reinforcing fibers in a polymer matrix. The reinforcing fibers are carbon fibers, and the force transmission part has width larger than thickness thereof as measured in width-direction of the rope.

Abstract: An elevator system has a car assembly including a first elevator car, a second elevator car, a counterweight, and a drive machine unit having a traction sheave and a traction device guided over the traction sheave. The traction device is connected to the car assembly and the counterweight on opposite side of the traction sheave. An adjustment mechanism enables the second elevator car to be adjusted in relation to the first elevator car within the car assembly. The adjustment mechanism has an adjustment device, a first adjustment traction device and a second adjustment traction device. The first adjustment traction device and the second adjustment traction device are guided over the adjustment device. The first adjustment traction device and the second adjustment traction device are connected to the second elevator car on one side of the adjustment device and to the counterweight on the other side.

Abstract: An electrical machine for driving a pulley, including: a shaft whereon the pulley is mounted; a motor for driving the shaft; at least one brake; a first front bearing for supporting the motor, the first front bearing being arranged on one side of the pulley, carrying a front ball bearing and being supported by at least one damping element; and a second front bearing arranged on the opposite side, carrying at least one ball bearing and supported by at least one damping element. The machine does not contain a rigid connection between the first front bearing for supporting the motor and the second front bearing.

Abstract: An exemplary elevator assembly includes an elevator car having a frame member. At least one toe guard panel is moveable between a first position and a second position. In the first position the toe guard panel is situated to provide a vertical surface beneath the elevator car and the toe guard panel has an end spaced a first distance from the elevator car. In the second position the toe guard panel is situated with a second, shorter distance between the end and the elevator car. A moving mechanism coupled with the toe guard panel selectively moves the toe guard panel from the first position into the second position. An instigator member situated in a selected vertical position interacts with the moving mechanism to begin movement of the toe guard panel from the first position when the frame member of the elevator car is approximately at the selected vertical position.

Abstract: The present invention relates to a boom element for a telescopic boom, in particular a telescopic section or a pivotal piece of a telescopic boom, wherein the boom element has a substantially box-shaped hollow structure and wherein at least one component of a pinning system is arranged in at least one of the corner edges of the box-shaped hollow structure, wherein at least one further boom element located in the boom element and/or about the boom element can be pinned to the boom element by means of the pinning system for the purpose of fixing, and wherein the component of the pinning system is and/or includes at least one pin mount and/or at least one pin guide in which the at least one pin is guided and/or movable.

Abstract: A method of connecting a cable of a winch mounted on a front of a vehicle to an object to the rear of the vehicle includes removably placing a first support member including a first cable guide member extending from the first support member on a first surface of the vehicle so that the first support member contacts the surface of the vehicle. The method further include extending the cable from the winch rearward to be seated in the first cable guide member and to extend rearward therefrom. The method also include connecting the cable to the object to the rear of the vehicle.

Abstract: The method of radio communication between columns of a lift allows for use of a bridge consisting of at least two lifting columns and simultaneous operation of several bridges in a multichannel mode. The radio channels are selected in a pre-determined frequency band. The bridges synchronize respective columns in the course of the lifting operations and in the event of a fault in at least one column or in the event of an emergency stop. The method includes a first phase of triggering waiting and scanning, followed by a second phase of inscribing the columns for the construction of the bridge, and followed by a third phase of exploitation in the course of which each column of a constructed bridge dialogs with the others in the radio broadcasting mode, with an equal weight for all the columns.

Abstract: A workstation with configurable leaves suitable for repairing or maintaining auto mobiles is disclosed. The workstation includes a main board and a supporting module. The supporting module supports the workstation and provides an adjustable height for the workstation. The main board further includes at least two corresponding loading boards and a plurality of horizontal rods placed through the loading boards.

Abstract: An industrial truck (1) has a drive section (2) and a movable load section (4). The load section (4) has at least one wheelarm (5) with at least one load roller (6) rotatably mounted in a load roller carrier (12) which is mounted by a swivel bearing (13) on the wheelarm (5). The swivel-bearing (13) is a bearing pin (20). A linkage (10) is connected with the load roller carrier (12) by a coupling pin (21). The load roller carrier (12) has two outer bearing levers (12a, 12b) with bearing flanges (32a, 32b) for mounting the bearing pin (20) and bearing flanges (33a, 33b) for mounting the coupling pin (21), and an additional web (30) located between the outer bearing levers (12a, 12b) and having a bearing flange (32c) for mounting the bearing pin (20) and/or a bearing flange (33c) for mounting the coupling pin (21).

Abstract: Implements for moving a first body from atop a surface includes a body configured to be removably secured to a host machine, a leading edge of the body configured to be located within a gap between the first body and the surface, and a concave curved profile above the leading edge and having a shape such that as the leading edge is forced into the gap, the curved profile contacts the first body causing the first body to roll in a direction away from the implement.

Abstract: The elevating lift with a stabilized movable base includes a base with extendable legs that provide minimum to maximum adjustable stability during use and transport. A lift system is mounted on the base, and a platform assembly is mounted on top of the lift system for selective raising or lowering. Each extendable leg supports a caster, rendering the base movable, and selective extension and retraction of the legs adjusts the stability of the lift. The plurality of legs can be further driven to simultaneously rotate about the vertical axis to steer the lift. The stabilized movable base is further alternatively used in combination with a stool, providing minimum to maximum stability during use and transport of seating, and multiple elevating lifts may be used to support linked platform assemblies in various configurations.

Abstract: A filling element for filling containers includes a tulip that moves, under the influence of a controller, between two positions, one of which seals the container. A first seal seals a junction between the tulip and a filling-element housing. First and second filling-element regions are respectively outside and inside a clean space of a filling machine. The tulip and a dispensing opening are in the second region. The second seal connects by its first free to the tulip. This second seal seals a junction between the tulip and the two filling-element regions.

Abstract: Disclosed are exemplary embodiments of apparatus, systems and methods relating to transfer of fluids to/from containers and/or storage/transport of fluids in containers. In an exemplary embodiment, an apparatus comprises a container including a fitment having an opening. The apparatus may include a valve within the fitment. The valve may be configured to inhibit fluid flow out of the container. The apparatus may also include a transfer tube configured to be positioned through the opening of the fitment. The transfer tube may engage and open the valve to thereby provide an open passage to/from the container.

Abstract: A modular dispensing unit comprising a frame having a front side, back side, two sidewalls, a top wall, an intermediate wall and a bottom wall; a first enclave and a second enclave within the frame; a first beverage dispenser located in the first enclave; a second beverage dispenser located in the second enclave; an ice dispenser positioned between the first and second enclaves; and an ice dispenser housing surrounding substantially the entire ice dispenser. The ice dispenser housing may have two sidewalls and a front wall, the front wall having an opening allowing access to an ice outlet of the ice dispenser.

Abstract: This application relates to a device called the Tap Blaster (FIG. 1) used to create a back flow in a draft beer system apparatus more particularly the faucet causing system pressure and product to be harnessed to clean openings (FIG. 7 and FIG. 9) such as air vents, mechanical channels and apparatus internal parts and side walls that tend to become contaminated by fermented bacteria growth caused by but not limited to air, natural light and inactivity between operation and scheduled cleanings.

Abstract: A dispensing system may be configured to dispense a custom product based on a user selection. The user selection may be provided via a user interface of the dispensing system. The user interface may simultaneously display selectable icons for the available types of products (e.g., types of beverages) and other icons for modifying a chosen product (e.g., a flavoring or additive to a beverage, such as a sweetener or a cherry flavoring). The user interface may receive input from a user in order for the user to select a custom product (e.g., a custom drink) and the dispensing system may dispense the custom product to the user.

Abstract: A water dispenser includes a main body and a water container. The main body has a receiving space and a connecting socket. The water container includes a container body and a water dispenser connector. The container body has a receiving chamber for storing a liquid. The water dispenser connector is connected to the container body and located at a bottom portion of the container body. When the water container is mounted in the receiving space of the main body, with the water dispenser connector connected to the connecting socket of the main body, the liquid in the receiving chamber of the container body can flow through the water dispenser connecter to the connecting socket of the main body. Once the water container is detached from the main body, the water dispenser connector stops the liquid from flowing out of the receiving chamber of the container body.

Abstract: A hole plate and a MEMS microphone arrangement are disclosed. In an embodiment a hole plate includes a substrate with a first main surface, a second main surface, and a lateral surface and a perforation structure formed within the substrate, the perforation structure having a plurality of through-holes through the substrate, wherein the through-holes and the lateral surface are a result of a simultaneous dry etching step.

Abstract: The present disclosure relates to a semiconductor package device. The semiconductor package device includes a carrier, a first Micro Electro Mechanical Systems (MEMS) and a first electronic component. The carrier has a first surface and a second surface opposite the first surface. The MEMS is disposed in the carrier. The first MEMS is exposed from the first surface of the carrier and is exposed from the second surface of the carrier. The first electronic component is disposed on the first surface of the carrier and is electrically connected to the first MEMS.

Abstract: A method of forming at least one Micro-Electro-Mechanical System (MEMS) includes patterning a wiring layer to form at least one fixed plate and forming a sacrificial material on the wiring layer. The method further includes forming an insulator layer of one or more films over the at least one fixed plate and exposed portions of an underlying substrate to prevent formation of a reaction product between the wiring layer and a sacrificial material. The method further includes forming at least one MEMS beam that is moveable over the at least one fixed plate. The method further includes venting or stripping of the sacrificial material to form at least a first cavity.

Abstract: A method comprises forming an etch stop layer, a first titanium layer, a magnetic core, a second titanium layer, and patterning the first and second titanium layers. The etch stop layer is formed above a substrate. The first titanium layer is formed on the etch stop layer. The magnetic core is formed on the first titanium layer. The second titanium layer has a first portion encapsulating the magnetic core with the first titanium layer, and a second portion interfacing with the first titanium layer beyond the magnetic core. The patterning of the first and second titanium layers includes forming a mask over a magnetic core region and etching the first and second titanium layers exposed by the mask using a titanium etchant and a titanium oxide etchant.

Abstract: There is provided a method of manufacturing a pattern substrate in which a pattern is formed on the surface of the substrate. The manufacturing method includes a step of preparing the substrate and a step of arranging a liquid-repellent or lyophilic material on the surface of the substrate so as to form the pattern on the surface of the substrate in which the surface of the substrate has a liquid-repellent region and a lyophilic region, the pattern is formed by one of the liquid-repellent region and the lyophilic region and the pattern is used to locate a component by the surface tension of a liquid member.

Abstract: A method and system for producing a synthesis gas in an oxygen transport membrane based reforming system is disclosed that carries out a primary reforming process within a reforming reactor, and a secondary reforming process within an oxygen transport membrane reactor and in the presence of heat generated from a oxygen transport membrane reactor and an auxiliary source of heat. The auxiliary source of heat is disposed within the reactor housing proximate the reforming reactors and may include an auxiliary reactively driven oxygen transport membrane reactor or a ceramic burner.

Abstract: Methods and systems for producing high purity gaseous chlorine dioxide are provided. A solid chlorite reactant is contacted with an ozone-containing reactant gas, or a gas containing both ozone and a component that reacts with any hydroxide byproduct (such as carbon dioxide), to produce chlorine dioxide. The reaction can be monitored and controlled to ensure that excess chlorite reactant is provided and to prevent ozone from passing into the product gas.

Abstract: A method to recover sulfur comprising the steps of feeding an acid gas stream to a combustion furnace, condensing the cooled furnace stream to produce a first gas stream, feeding the first gas stream to a first adsorber comprises a molecular sieve, feeding the first hot dry gas stream to a first catalytic reactor, cooling the first catalytic outlet stream in a first condenser, feeding the second gas stream to a second adsorber, feeding the second hot dry gas stream to a second catalytic reactor, cooling the second catalytic outlet stream in a second condenser, introducing the third gas stream to a third adsorber, feeding the third hot dry gas stream to a third catalytic reactor to produce a third catalytic outlet stream, and cooling the third catalytic outlet stream in a third condenser to produce a third sulfur stream and a tail gas stream.

Abstract: The invention relates to a process for preparing potassium thiosulfate, potassium sulfite or potassium bisulfite comprising the following steps: Step (1a): providing a potassium hydroxide or potassium carbonate solution for neutralizing acid forming components such as dissolving SO2 or H2S; Step (1b): providing an SO2 contacting solution, containing at least some potassium sulfite or potassium bisulfite or potassium thiosulfate; Step (2): providing SO2 gas; Step (3): reacting these to absorb the SO2 gas and to form an intermediate reaction mixture comprising potassium sulfite, or potassium bisulfite or a mixture thereof, and optionally recovering the potassium sulfite, or potassium bisulfite or a mixture thereof, and/or optionally using steps 4 and 5; Step (4): adding sulfur or sulfide containing compound containing sulfur having the oxidation state of 0, ?2 or of between 0 and ?2 to the reaction mixture and optionally potassium hydroxide or potassium carbonate, and reacting the mixture under suitable cond

Abstract: Methods that facilitate exfoliation of hexagonal boron nitride (hBN), exfoliated hBN, and associated intermediate products are disclosed. Such a method can include the acts of mixing a sample of hBN with an activation agent (e.g., NaF, etc.) and a selected set of chemicals (e.g., a metal chloride) and intercalating the set of chemicals into the hBN to obtain intercalated hBN. Additionally, such a method can include the acts of hydrating the set of chemicals (i.e., the intercalates), and converting the set of chemicals to a set of oxide nanoparticles when exfoliating the intercalated hBN. The exfoliated hBN can be washed (e.g., with HCl, etc.) to remove remaining nanoparticles.

Abstract: A method for mass production of phosphoric acid with a rotary kiln, comprising the following steps: pretreating raw materials a carbonaceous reductant; preparing the pre-treated carbonaceous reductant powder; then evenly mixing the carbonaceous reductant powder and the silica powder to obtain a cladding material; mixing the cores and the cladding material for cladding treatment, drying and solidifying same to obtain composite pellets; sending the composite pellets into a rotary kiln for a reduction reaction; sending the high-temperature slag balls exiting the rotary kiln to a cooling device for comprehensive utilization; introducing the fume containing P2O5 and fluorine exiting the kiln into a hydration tower for absorbing phosphorus by hydration, then passing same through a phosphoric acid mist capturing tower and a mist removing and separating tower successively, and the fluorine-containing fume discharged from the mist removing and separating tower entering a subsequent fluorine recovery procedure.

Abstract: An equilibrium solution, such as a beverage product, containing a calcium salt of a sequestrant (such as calcium hexametaphosphate), coordinated compound of a calcium sequestrant and a sequestrant allows the delivery of bio-available calcium while maintaining the preservative qualities of the sequestrant (such as sodium hexametaphosphate). In one embodiment, the reaction of a salt such as calcium hydroxide and a sequestrant such as sodium potassium hexametaphosphate (sodium potassium polyphosphate) yields such an equilibrium solution in a beverage matrix. Calcium hexametaphosphate having a relatively short phosphate chain is disclosed, as well as the method of making that material, and beverage compositions containing the material together with a sequestrant preservative, such as SHMP.

Abstract: An apparatus according to the present invention comprises a chamber into which carbon nanotubes dispersed in a non-polar solvent may be received. The nanotubes are impelled along the chamber by the application of an external electrical field and will pass through a charging element that imposes an electrical charge on the nanotubes, and a template (180), such that the nanotubes are deposited on a substrate located next to the template. The substrate may be moved relative to the template such that the nanotubes are deposited on the substrate in a predetermined selective manner.

Abstract: A method of growing carbonaceous particles comprises depositing carbon from a carbon source, onto a particle nucleus, the particle nucleus being a carbon-containing material, an inorganic material, or a combination comprising at least one of the foregoing, and the carbon source comprising a saturated or unsaturated compound of C20 or less, the carbonaceous particles having a uniform particle size and particle size distribution. The method is useful for preparing polycrystalline diamond compacts (PDCs) by a high-pressure, high-temperature (HPHT) process.

Abstract: In one embodiment, a process for the purification of CO2 from chlorinated and non-chlorinated hydrocarbons, comprising: contacting a CO2 stream with a metal oxide catalyst, wherein the stream comprises the CO2 and impurities comprising the non-chlorinated hydrocarbons and the chlorinated hydrocarbons; interacting the impurities with the catalyst to form additional CO2 and metal chloride; and regenerating the catalyst by contacting the metal chloride with an oxygen containing gas stream.

Abstract: A process for making a mechanically strong, high permeance, and relatively inexpensive support structure for zeolite membranes is described. In an example implementation, a process includes forming a silica powder from silica fibers, mixing the silica powder and a polymer solution to form a mixture, forming the mixture into a shaped mixture, and sintering the shaped mixture to form a silica support.

Abstract: The present invention relates to the field of nonlinear optical crystal materials and provided herein a Li4Sr(BO3)2 compound, a Li4Sr(BO3)2 nonlinear optical crystal as well as preparation method and use thereof. The Li4Sr(BO3)2 nonlinear optical crystal has a second harmonic conversion efficiency at 1064 nm of about two times that of a KH2PO4 (KDP) crystal, and an UV absorption cut-off edge less than 190 nm. Furthermore, the crystal did not disintegrate. By flux method with Li2O, Li2O—B2O and Li2O—B2O3—LiF used as flux agent, large-size and transparent Li4Sr(BO3)2 nonlinear optical crystal can grow. The Li4Sr(BO3)2 crystal had stable physicochemical properties, moderate hardness, and was easy to cut, processing, preserve and use. Therefore it can be used for preparing nonlinear optical devices and thus for developing nonlinear optical applications in the ultraviolet and deep-ultraviolet band.