6637results about "Layered products" patented technology

An example pickleball paddle may include a handle and a head coupled to the handle. The head portion includes a first plate extending in a first plane, a second plate extending in a second plane parallel to the first plane and a honeycomb arrangement of unit cells between the first plate and the second plate. Each of the unit cells has a centerline extending non-perpendicular to the first plane and the second plane.

The present teachings generally include game paddles such as pickleball paddles. For example, a pickleball paddle disclosed herein may include a first surface, a second surface, and a core disposed therebetween, where the core defines a plurality of gaps that can accommodate one or more fillers, e.g., to provide vibration dampening and / or to otherwise affect performance, comfort, and enjoyment. In an example aspect, a gap is disposed on each side of the paddle near a throat portion thereof, where a first filler is inserted therein. The first filler may be viewable within such gaps—e.g., where an edge guard includes a window for viewing the first filler. A paddle according to the present teachings may have a frame (e.g., a frame that accommodates one or more gaps) or it may be frameless. In some aspects, a frame may also or instead include a filler disposed therein and / or adjacent thereto.

This application relates to an EPP material and a folding mat using this EPP material, which relates to the field of EPP material technology. The EPP material is formed into a plate by welding EPP particles, and the surface of the plate is coated with a hydrophobic antibacterial paint. The raw materials for preparing the EPP particles include 80-100 parts by weight of polypropylene resin, 1-3 parts by weight of a nucleating agent, 6-8 parts by weight of a modified graphene composite material, 5-10 parts by weight of a flame retardant, 5-15 parts by weight of a reinforcing agent, and 0.5-1.5 parts by weight of a surfactant. The raw materials for preparing the modified graphene composite material include hydrophobic modified graphene oxide, hydrophobic antibacterial nano-zinc oxide, and a modified ammonium polyphosphate coupling agent. The folding mat using this EPP material includes an EPP material, a surface layer, and a sewing thread, and the surface layer and the EPP material are fixedly connected by the sewing thread. This application has the effect of improving the flame retardancy, waterproofness, and antibacterial properties of EPP material, and the resulting tatami mat is environmentally friendly, comfortable, and has a good user experience.

Web material structuring belts that impart structure to a web material during a web material structuring operation and / or structured web material forming operation, method for making same and methods for using same to make structured web materials, for example structured fibrous structures, such as structured sanitary tissue products such as structured toilet tissue, structured paper towels and structured facial tissue are provided.

The present teachings generally include sound dampening devices, systems, kits, and methods for pickleball and the like. In an aspect, a pickleball paddle includes one or more layers having sound dampening properties. In another aspect, a paddle accessory featuring one or more sound dampening materials may be engaged with a pickleball paddle to enable quieter play using the paddle. In yet another aspect, a ball for pickleball play includes one or more layers having sound dampening properties. And, in another aspect, an accessory featuring one or more sound dampening materials may be engaged with a ball to enable quieter play using the ball.

A pickleball paddle comprising: a handle; a ball striking blade formed integrally with the handle; the handle and the blade being formed from a core layer sandwiched between outer layers to form a unitary body; core layer comprising a thickness which is substantially greater than thickness of the outer layers, wherein each of said outer layer comprises one or more layers of composite material yarns that are pre- impregnated with epoxy with at least an outermost layer of said composite material yarn comprising embedded grit particles that are embedded into said outermost layer of the composite material yarns.

To provide: a solid polymer electrolyte membrane for alkaline water electrolysis excellent in omnidirectional large pressure resistance generated on a diaphragm partitioning an anode chamber and a cathode chamber of a water electrolysis apparatus and having a gas blocking property stably suppressing mixing of an oxygen gas and a hydrogen gas; and an alkaline water electrolysis apparatus.SOLUTION: There is provided a solid polymer electrolyte membrane which contains a nonwoven fabric comprising a fluorine-containing polymer having an ion exchange group and a polymer having a hydrogen permeability coefficient within a predetermined range, in which the weight of the fluorine-containing polymer per unit area of the solid polymer electrolyte membrane is within a predetermined range.SELECTED DRAWING: Figure 1

The present teachings generally include sound dampening devices, systems, kits, and methods for pickleball and the like. In an aspect, a pickleball paddle includes one or more layers having sound dampening properties. In another aspect, a paddle accessory featuring one or more sound dampening materials may be engaged with a pickleball paddle to enable quieter play using the paddle. In yet another aspect, a ball for pickleball play includes one or more layers having sound dampening properties. And, in another aspect, an accessory featuring one or more sound dampening materials may be engaged with a ball to enable quieter play using the ball.

The present teachings generally include game paddles such as pickleball paddles. For example, a pickleball paddle disclosed herein may include a first surface, a second surface, and a core disposed therebetween, where the core defines a plurality of gaps that can accommodate one or more fillers, e.g., to provide vibration dampening and / or to otherwise affect performance, comfort, and enjoyment. In some aspects, a frame may also or instead include a filler disposed therein and / or adjacent thereto.

The present teachings generally include game paddles such as pickleball paddles. For example, a pickleball paddle disclosed herein may include a first surface, a second surface, a core disposed between the first surface and the second surface, and gaps disposed outside of a perimeter of the core—e.g., a first gap disposed on a first side of the paddle substantially adjacent to a throat portion thereof, and a second gap disposed on a second side of the paddle substantially adjacent to the throat portion thereof. A first filler may be disposed within each of the first gap and the second gap. The paddle may further include a third gap bounding the core around at least part of a head portion of the paddle, where a second filer is disposed therein. A paddle according to the present teachings may have a frame or it may be frameless.

The invention discloses an OCA (Optical Clear Adhesive) solution for a folding screen protective film, the OCA solution comprises an optical raw adhesive, a curing agent and a first solvent, the raw adhesive is prepared from the following raw materials in parts by mass: 270-283 parts of 2-ethylhexyl acrylate, 50-62 parts of butyl acrylate, 318-330 parts of methyl acrylate, 40-55 parts of acrylic acid, 1-2 parts of gamma-acryloyloxypropyltrimethoxysilane, 2.1-2.3 parts of an initiator and 1250-1350 parts of a second solvent; the second solvent comprises methylbenzene and ethyl acetate. According to the OCA optical glue solution for the folding screen protection film, raw glue is prepared from the isooctyl acrylate, the butyl acrylate, the methyl acrylate, the acrylic acid, the gamma-acryloyloxy propyl trimethoxy silane and the initiator in a toluene and ethyl acetate compounded solvent system, and an OCA glue layer with excellent stripping force, light transmittance, holding power and bending resistance is obtained after curing; and the cost of the raw materials is optimized, and the method is more economical.

The present teachings generally include game paddles such as pickleball paddles. For example, a pickleball paddle disclosed herein may include a first surface, a second surface, and a core disposed therebetween, where the core defines a plurality of gaps that can accommodate one or more fillers, e.g., to provide vibration dampening and / or to otherwise affect performance, comfort, and enjoyment. In an example aspect, a gap is disposed on each side of the paddle near a throat portion thereof, where a first filler is inserted therein. The first filler may be viewable within such gaps—e.g., where an edge guard includes a window for viewing the first filler. A paddle according to the present teachings may have a frame (e.g., a frame that accommodates one or more gaps) or it may be frameless. In some aspects, a frame may also or instead include a filler disposed therein and / or adjacent thereto.

A seat cushion includes a mesh member embedded into a foam member. The mesh member comprises a set of filaments of polymeric material which are looped and bonded to each other. The mesh increases rigidity, cut resistance, tear resistance, and abrasion resistance of the foam member, eliminating the need for scrim and border wire in some applications.

Provided is a method for inspecting a light-transmissive laminate, said method being capable of detecting foreign substances that are very small as compared with the prior art. This method for inspecting a light-transmissive laminate detects 8-50 m-sized defects in a light-transmissive laminate by performing a transmission inspection in a state in which the light-transmissive laminate is fixed in the air one by one. For example, the defect detection includes the steps of: creating an XY coordinate graph of a defect by aligning a focal point of an optical system having a predetermined magnification with a surface of a first main surface of a light-transmissive laminate and scanning the light-transmissive laminate with the optical system; a step for creating an XY coordinate map of the other defect by shifting the focal point of the optical system inward in the thickness direction from the surface of the first main surface of the light-transmissive laminate by a predetermined distance and scanning the light-transmissive laminate with the optical system; and integrating the created XY coordinate maps of the defects.

The invention discloses film laminating equipment, which comprises an unwinding mechanism, a film laminating mechanism, a film laminating mechanism and a film laminating mechanism, the gluing mechanism is used for uniformly coating glue on the surface of the spread iron plate of the iron roll in a roller coating or spray coating or blade coating mode; the heating box is arranged at an outlet of the gluing mechanism, and the iron plate directly enters the heating box after being glued; and the film covering mechanism is arranged at the outlet end of the heating box and is provided with an unwinding group, a film tearing group, a buffer roller group, a preheating pressing group, a cooling group and a winding group. The film laminating mechanism is tightly arranged at the outlet end of the heating box, rapid bearing of the iron plate is achieved through the buffer roller set, the iron plate conveying distance is greatly shortened, the iron plate enters the film laminating mechanism, the viscosity of an adhesive layer on the iron plate is activated through waste heat, power consumption of a preheating pressing set of the film laminating machine is reduced, and the preheating time is shortened; the gluing force of the iron plate and the colored film is improved, the production cost is greatly reduced, and efficient and energy-saving production is achieved.

A display device including a display panel including a folding area and a non-folding area adjacent along a first direction, a support layer facing the display panel with a barrier layer therebetween, openings defined in the support layer and corresponding to the folding area, a cushion layer facing the display panel with the support layer therebetween, and a barrier adhesive layer between the barrier layer and the support layer, the barrier adhesive layer including a first barrier portion and a second barrier portion spaced apart from each other along the first direction with the plurality of openings of the support layer therebetween.

The present invention belongs to the technical field of functional composite fibers, and discloses a wear-resistant nanofiber-reinforced and protected graphene fiber, a preparation method thereof and an application. The wear-resistant nanofiber-reinforced and protected graphene fiber comprises a graphene fiber bundle and nanofibers. The nanofibers coat the graphene fiber bundle in the form of a three-dimensional porous network to form a stress buffer layer; wear-resistant particles are uniformly loaded inside the three-dimensional porous network. The preparation method is as follows: fixing the surface-pretreated graphene fiber on an electrospinning nanofiber yarn machine, forming a nanofiber membrane by electrospinning and uniformly wrapping it on the surface-pretreated graphene fiber, then winding it into a roll, and then performing a hot roll treatment on the wound fiber bundle to obtain the wear-resistant nanofiber-reinforced and protected graphene fiber. The application is: used for weaving to obtain a graphene fiber fabric. The fiber prepared by the present invention and the fabric woven therefrom have excellent mechanical properties, wear resistance, electrical conductivity and thermal conductivity at the same time.

Web material structuring belts that impart structure to a web material during a web material structuring operation and / or structured web material forming operation, method for making same and methods for using same to make structured web materials, for example structured fibrous structures, such as structured sanitary tissue products such as structured toilet tissue, structured paper towels and structured facial tissue are provided.

The present invention relates to a cushioning material. An object of the present invention is to provide a cushioning material that is difficult to deform and has high durability. The cushioning material (1) is characterized by including a first cushioning body (2) and a second cushioning body (3) disposed above the first cushioning body (2) and covering at least the upper surface of the first cushioning body (2). The first cushioning body (2) includes a three-dimensional network structure obtained by irregularly locally fusing continuous lines of a thermoplastic resin to form loops, and the second cushioning body (3) is composed of a longitudinal non-woven fabric in which fibers are oriented in the thickness direction.

The invention relates to the technical field of composite material damage repair, in particular to a method for repairing a composite material laminated plate with a fiber guiding characteristic. The repairing method comprises the following steps of pneumatic grinding, patch preparation, surface treatment, cleaning, adhesive film cutting, pasting, adhesive film curing, finishing and the like. According to the method, the adaptive patch is prepared by pneumatically polishing the rectangular cut hole of the stepped surface, the adhesive film is used for curing in the middle, and the adhesive layer is combined with the matched patch, so that a fiber-guided repairing structure is realized; under the condition that the structure repairing strength is guaranteed, the area for removing healthy mother board materials is reduced to the maximum extent, the probability of local stress concentration of a repairing bonding face is reduced, the machining difficulty is lowered, and the universality of repairing design application is improved. And by setting different step lengths, the stress load of the cementing repair surface is more uniform instead of being excessively concentrated on the 0-degree laying layer, so that the repair setting is more reasonable, and the service life of the repaired structure is prolonged.

A dry drug delivery system comprising a middle layer encased in two outer layers, the middle layer and the two outer layers each comprising a mixture of electrospun fibers. Also disclosed is a water-dissolvable dry device containing a physical mixture of a first fiber and a second fiber in which the first fiber and the second fiber are configured to react with each other and with a biological tissue upon hydration, and the device transforms into a hydrogel upon contact with the biological tissue. Further provided is a method for delivering a bioactive substance to a soft tissue using the system or device.

A material having radar absorbing properties comprises a matrix material enclosing an amount of fiber. The fiber is coated by graphene and / or graphene oxide. Also disclosed is a laminated material, a sheet material, A 3D structure, a vehicle, a tubular structure, a use of a material, as well as a method of forming at least part of a product having radar absorbing properties.

The present disclosure relates to a thermoplastic fiber web structure (2a, 2b, 2c, 2d), which forms a support structure through fiber filaments (21a, 21h, 21i, 21k, 21l, 21m, 21n, 21q) that are melt-bonded together, the fiber filaments being formed from a thermoplastic elastomer material. The present disclosure further relates to an automobile interior part comprising a thermoplastic fiber web structure as described above and a sleeve and / or fabric (1a, 1b, 1c, 1d) fastened to the thermoplastic fiber web structure. The thermoplastic fiber web structure forms a support structure by melt extrusion of a thermoplastic elastomer material into a three-dimensional network structure, which has high resilience and recyclability. The automobile interior part, at the same time of ensuring support and comfort, achieves environmental protection, breathability and light weight. In particular, the thermoplastic material is subjected to a physical reaction rather than a chemical reaction during the melt extrusion process, so that the stability in the preparation process is better, and the product can be smoothly and controllably made. In addition, considering that conventional sleeve foaming fastening form cannot be applied to the thermoplastic fiber web structure, a completely novel fastening form is provided for the automobile interior part to match the wrapping of the thermoplastic fiber web structure.

The present disclosure provides embodiments of a porcelain board tile assembly. In an embodiment, assembly includes two or more porcelain board tiles cut from a reinforced porcelain panel product. A bottom surface of each porcelain board tiles to be adhesively affixed to a mounting wall when installed. Each reinforced porcelain panel product includes a porcelain slab and a structural core board. The structural core board includes a foam-core material having a surface area and a thickness greater than the porcelain slab. A top surface of the structural core board is positioned in contact with a bottom surface of the porcelain slab with an adhesive. A buffer region, defined by regions of the structural core board extending beyond outer peripheries of the porcelain slab, enhances protection from cracking when the reinforced porcelain panel product is handled. The structural core board is configured to attach to the mounting wall.

The present invention relates to a method for producing a laminate, wherein the laminate is obtained by integrally laminating an expanded beads molded article (a) composed of expanded beads A and having interconnected voids and an expanded beads molded article (b) composed of expanded particles B and having interconnected voids, the difference [Pb−Pa] between the voidage (Pa) of the expanded beads molded article (a) and the voidage (Pb) of the expanded beads molded article (b) is 5% or more, and the expanded beads A and the expanded beads B satisfy the following (1) to (3): (1) a difference [dB−dA] between an average hole diameter (dA) of the through-holes of the expanded beads (A) and an average hole diameter (dB) of the through-holes of the expanded beads (B) is 0.3 mm or more and 2 mm or less; (2) the expanded beads (B) have an average outer diameter DB of 3.5 mm or more and 5 mm or less; (3) a difference [DB−DA] between an average outer diameter DA of the expanded beads (A) and an average outer diameter DB of the expanded beads (B) is −0.3 mm or more and 2 mm or less.

This invention is directed to mattress cover having a plurality of separately removable fabric layers. Each of the removable fabric layers have a side wall. The side wall of each fabric layer is stitched with a thread to the side wall of the fabric layer below it. Each thread in the stack has a terminal free end that is secured against the side wall by a tape means. The tape means may be removed to pull the terminal free end of the thread to unravel the thread to remove the top most layer for disposal and exposing the next clean layer below it for use.

To achieve both improvement of visibility (interference unevenness or the like) and reduction of floating between liquid crystal retardation layers in a retardation layer laminate and an optical laminate.SOLUTION: The retardation layer laminate includes a first liquid-crystal retardation layer, a first bonding layer having a thickness of 20 to 200nm, and a second liquid-crystal retardation layer in this order. The atomic concentration of Si atoms on the first bonding layer side of at least one of the first and second liquid-crystal retardation layers is 0.5 to 10at%.SELECTED DRAWING: Figure 1

A decorative substrate includes a base material, and a texture layer arranged on the base material. A plurality of grating grids are arranged on a surface on the side of the texture layer from the base material. At least the plurality of grating grids includes a plurality of grating units annularly arranged around a central point. Each grating unit includes a plurality of strip-shaped protrusions. The plurality of strip-shaped protrusions are sequentially arranged in the radius direction of a circle with the central point as its center. In the grating grids, each strip-shaped protrusion includes a first surface close to the central point, and a second surface away from the central point. The first surface and the second surface are connected to a third surface of the strip-shaped protrusion. An included angle formed by the first surface and the third surface of the strip-shaped protrusion is less than or equal to an included angle formed by the second surface and the third surface of the strip-shaped protrusion.