Abstract: A system for manufacturing a thermoplastic prepreg includes a double belt mechanism that is configured to compress a fiber mat, web, or mesh that is passed through the double belt mechanism, a resin applicator that is configured to apply monomers or oligomers to the fiber mat, web, or mesh, and a curing oven that is configured to effect polymerization of the monomers or oligomers and thereby form the thermoplastic polymer as the fiber mat, web, or mesh is moved through the curing oven. The double belt mechanism compresses the fiber mat, web, or mesh and the applied monomers or oligomers as the fiber mat, web, or mesh is passed through the curing oven so that the monomers or oligomers fully saturate the fiber mat, web, or mesh. Upon polymerization of the monomers or oligomers, the fiber mat, web, or mesh is fully impregnated with the thermoplastic polymer.

Abstract: This disclosure provides an oral irrigator including a base, a reservoir, a handle and a starter. The base has a pumping assembly, a controller and a starting part. The reservoir has a storage cavity and is removably connected to the base and communicates the storage cavity with the pumping assembly. The handle is configured to guide fluid from the pumping assembly. The starter is provided on the handle or removably connected to the handle. One of the handle and the starter has a signal processor, and when the starting part is operated, the signal processor may receive a first starting signal and send it to the controller. The pumping assembly, the controller and the starting part are electrically connected, and when the starting part is operated, the controller receives a second starting signal. The controller controls the pumping assembly to work after receiving the first and second starting signals.

Abstract: A system for manufacturing a thermoplastic prepreg product includes a belt or conveyor, a prepreg applicator that positions a thermoplastic prepreg atop the belt or conveyor, a foam applicator that applies a foam mixture atop the thermoplastic prepreg, a heating mechanism that heats the thermoplastic prepreg and the foam mixture to cause the foam mixture to react atop the thermoplastic prepreg, and a laminator that is configured to press the thermoplastic prepreg and foam mixture to control a thickness of the resulting thermoplastic prepreg product. The thermoplastic prepreg includes a fabric, mat, or web of fibers and a thermoplastic material that is impregnated within the fabric, mat, or web of fibers. The thermoplastic material is formed from in situ polymerization of monomers and oligomers. The foam mixture includes an isocyanate, a polyol blend, and a blowing agent.

Abstract: The present disclosure discloses a water flosser comprises a housing, a tooth irrigation portion, a water nozzle portion, a winding mechanism, and a water pipe configured to be bent and wound. The tooth irrigation portion is disposed in the housing and comprises a water inlet and a water outlet. The water nozzle portion is in communication with the water outlet of the tooth irrigation portion.

Abstract: An oral cavity cleaning device, which comprises a body, a water jet tip, a first motor, a second motor, a brush, and a water suction assembly. A rotating shaft extends out of an upper end surface of the body. The first motor drives the rotating shaft to vibrate to drive the brush to vibrate. The upper end surface of the body further comprises a water outlet, and the water jet tip is disposed on the upper end surface of the body and is in communication with the water outlet. Further, the water jet tip is disposed on a side of the brush facing a user, and the water jet tip is disposed below bristles of the brush. The second motor drives the water suction assembly to pump water from a built-in or external container, and water from a water passage disposed in the body sprays out of the water outlet and the water jet tip.

Abstract: A thermoplastic prepreg includes a mat, web, or fabric of fibers and hollow glass microspheres that are positioned atop the mat, web, or fabric of fibers or dispersed therein. The thermoplastic prepreg also includes a thermoplastic polymer that is fully impregnated through the mat, web, or fabric of fibers and the hollow glass microspheres so that the thermoplastic prepreg has a void content of less than 3% by volume of the thermoplastic prepreg. The thermoplastic material is polymerized monomers and oligomers in which greater than 90% by weight of the monomers or oligomers react to form the thermoplastic material.

Abstract: The present disclosure discloses a self-cleaning water outlet device, which comprises: a body, a deposit removal needle plate disposed in the body, a water outlet cover comprising a plurality of water outlet holes, and a rotatable member driven about an axial direction of the rotatable member by flowing water. An axial direction of the deposit removal needle plate and an axial direction of the water outlet cover are coaxial, and the deposit removal needle plate has a plurality of needles. The deposit removal needle plate is swingably connected with the rotatable member. When water flows into the water outlet device, the water flow drives the rotatable member to rotate, and the rotatable member drives each of the plurality of needles to swing about the axial direction of the deposit removal needle plate in a corresponding one of the plurality of water outlet holes.

Abstract: A dual-water-tank water flosser comprises a body, a tooth-rinsing component, a first water tank, a second water tank, a first water pipe respectively connected to the first water tank and a water inlet, a second water pipe respectively connected to the second water tank and the water inlet, and a switching element. The tooth-rinsing component is installed in the body and has the water inlet and a water outlet. The first water tank and the second water tank are installed on the body. The switching element is movably disposed on the body and has two gear positions, one of the two gear positions corresponds to the switching element moving to close the first water pipe while simultaneously opening the second water pipe, and the other one of the two gear positions corresponds to the switching element moving to open the first water pipe while simultaneously closing the second water pipe.

Abstract: A facial cleansing instrument of the embodiments of the present disclosure includes a water outlet assembly and a micro-bubble generating assembly, the micro-bubble generating assembly is connected to the water outlet assembly; the micro-bubble generating assembly is configured to generate micro-bubble water when water flows through the micro-bubble generating assembly, and the water outlet assembly is configured to spray the micro-bubble water.

Abstract: A lightweight polymer-based composite product may include a polymer material body and a lightweight filler material that is embedded in the polymer. The polymer material body may be an in-situ polymerized polymer formed via casting of a reactive resin in a mold. The polymer may have a density of at least 1.0 g/cm3. The lightweight filler material may be concentrated on at least a portion of a first surface of the polymer material body. The lightweight filler material may have a density of between 0.1 and 1.0 g/cm3. The lightweight polymer-based composite product may have a density that is less than a comparable product that consists mainly of the polymer.

Abstract: According to an embodiment, a method of applying loose-fill insulation within a cavity is provided. The method includes blowing loose-fill insulation particles into a cavity of a structure to install the loose-fill insulation within the cavity and thereby insulate the structure. The method also includes applying water (e.g., water mist) to the loose-fill insulation particles so that a moisture content of the installed loose-fill insulation is between about 2% and 20%. The water aids in retaining the loose-fill insulation particles within the cavity without requiring the use of an enclosure member that encloses the cavity and the loose-fill insulation is substantially free of a water soluble adhesive material that adheres the loose-fill insulation particles together within the cavity.

Abstract: A flexible display panel includes a flexible display body and a supporting structure disposed on a side of the flexible display body. The supporting structure includes a plurality of supporting layers disposed on a stack and a flexible layer disposed between each two adjacent supporting layers. An angle between at least one supporting layer of the plurality of supporting layers and a plane where a display surface of the flexible display body is located is greater than 0° and less than 90°.

Abstract: A chopped roving thermoplastic composite sheet includes a web or mesh of chopped rovings and a thermoplastic resin that fully saturates the web or mesh of chopped rovings. The web or mesh of chopped rovings is not mechanically bonded and does not include a binder that bonds or adheres the chopped rovings together other than thermoplastic resin. As such, the thermoplastic resin and the web or mesh of chopped rovings are able to flow and conform to a mold or cavity when the chopped roving thermoplastic composite sheet is pressed within the mold or cavity and when the chopped roving thermoplastic composite sheet is heated to above the melting temperature of the thermoplastic resin.

Abstract: According to one embodiment, a system for manufacturing a fully impregnated thermoplastic prepreg includes a mechanism for moving a fabric or mat and a drying mechanism that removes residual moisture from at least one surface of the fabric or mat. The system also includes a resin application mechanism that applies a reactive resin to the fabric or mat and a press mechanism that presses the coated fabric or mat to ensure that the resin fully saturates the fabric or mat. The system further includes a curing oven through which the coated fabric or mat is moved to polymerize the resin and thereby form a thermoplastic polymer so that upon exiting the oven, the fabric or mat is fully impregnated with the thermoplastic polymer. During at least a portion of the process, humidity in the vicinity of the coated fabric or mat is maintained at substantially zero.

Abstract: A chopped roving thermoplastic composite sheet includes a web or mesh of chopped rovings and a thermoplastic resin that fully saturates the web or mesh of chopped rovings. The web or mesh of chopped rovings is not mechanically bonded and does not include a binder that bonds or adheres the chopped rovings together other than thermoplastic resin. As such, the thermoplastic resin and the web or mesh of chopped rovings are able to flow and conform to a mold or cavity when the chopped roving thermoplastic composite sheet is pressed within the mold or cavity and when the chopped roving thermoplastic composite sheet is heated to above the melting temperature of the thermoplastic resin.

Abstract: The present disclosure discloses an automatic liquid outlet structure and a beauty massage apparatus, and the automatic liquid outlet structure comprises a rolling massage mechanism, a liquid storage mechanism, and a liquid adsorption mechanism. The liquid adsorption mechanism is disposed between the rolling massage mechanism and the liquid storage mechanism. A first side of the liquid adsorption mechanism is in communication with the liquid storage mechanism, and a second side of the liquid adsorption mechanism is in contact with the rolling massage mechanism. The liquid storage mechanism is configured to hold a liquid. The liquid held in the liquid storage mechanism is configured to be adsorbed into the liquid adsorption mechanism. When the rolling massage mechanism is in a rolling process, the liquid adsorbed in the liquid adsorption mechanism is transferred to the rolling massage mechanism.

Abstract: Embodiments of the present technology may include a method of making a thermoplastic composite concentrates. The method may include melting a low-viscosity reactive resin to form a molten reactive resin. The method may also include fully impregnating a plurality of continuous fibers with the molten reactive resin in an impregnation device. The method may further include polymerizing the molten reactive resin to form a thermoplastic composite strand. In addition, the method may include chopping the thermoplastic composite strand into a plurality of pellets to form a plurality of thermoplastic composite concentrates.

Abstract: A thermoplastic product includes a fabric-based reinforcing sheet and a polymerized thermoplastic material. The fabric-based reinforcing sheet is wound about a mandrel to form a plurality of layers having a cross-sectional shape that corresponds to the mandrel. The fabric-based reinforcing sheet includes a plurality of fiber bundles, which may have a bidirectional orientation or configuration. A polymerized thermoplastic material is disposed within each layer of the fabric-based reinforcing sheet. The polymerized thermoplastic material bonds each layer of the fabric-based reinforcing sheet to an adjacent layer.

Abstract: Embodiments of the present technology may include a method of making a thermoplastic composite concentrates. The method may include melting a low-viscosity reactive resin to form a molten reactive resin. The method may also include fully impregnating a plurality of continuous fibers with the molten reactive resin in an impregnation device. The method may further include polymerizing the molten reactive resin to form a thermoplastic composite strand. In addition, the method may include chopping the thermoplastic composite strand into a plurality of pellets to form a plurality of thermoplastic composite concentrates.

Abstract: According to one embodiment, a system for manufacturing a fully impregnated thermoplastic prepreg includes a mechanism for moving a fabric or mat and a drying mechanism that removes residual moisture from at least one surface of the fabric or mat. The system also includes a resin application mechanism that applies a reactive resin to the fabric or mat and a press mechanism that presses the coated fabric or mat to ensure that the resin fully saturates the fabric or mat. The system further includes a curing oven through which the coated fabric or mat is moved to polymerize the resin and thereby form a thermoplastic polymer so that upon exiting the oven, the fabric or mat is fully impregnated with the thermoplastic polymer. During at least a portion of the process, humidity in the vicinity of the coated fabric or mat is maintained at substantially zero.