A double-sided coating device includes: a conveying mechanism for a base material that includes a first surface and a second surface; a first die that applies a first coating material onto the first surface; and a second die that applies a second coating material onto the second surface. The conveying mechanism includes: a roll that conveys the base material, in which the position at which the base material separates from the circumferential surface is higher than a target coating height of the base material; and a drawing section that draws the base material such as to bring the base material closer to the target coating height.

The present disclosure relates to a wide slot die for applying a fluid provided with particles, having a die body. The die body comprises a die interior chamber for receiving the fluid provided with particles. The fluid provided with the particles can be discharged via a die gap, which is bounded by two walls, onto a substrate which is in motion relative to the wide slot die in a transport direction. A vibration device is mechanically coupled to the die body in order to vibrate the die gap and the fluid located in the die interior chamber and provided with the particles. The vibration device is adapted to excite the die body with an upper limit frequency of at most 1 kHz.

An adhesive coating device includes two adhesive barrels, lower ends of the two adhesive barrels are both connected to an adhesive coating assembly. The adhesive coating assembly includes an upper substrate having two mounting holes, lower ports of the two adhesive barrels passing through the two mounting holes respectively; a lower substrate detachably mounted at a lower side of the upper substrate. An adhesive receiving space is formed between the upper substrate and the lower substrate, and an adhesive coating track is provided on the lower substrate at a position corresponding to the adhesive receiving space, the adhesive coating track is a slit extending through an upper side and a lower side of the lower substrate, and the shape and size of the adhesive coating track match with the shape and size of an adhesive coating track required by a product to be coated with adhesive.

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.

A multi-slot die coater may improve a problem that is structurally vulnerable to deformation and torsion. The multi-slot die coater including a lower slot and an upper slot includes a lower die block; an intermediate die block disposed on the lower die block to form the lower slot therebetween; and an upper die block disposed on the intermediate die block to form the upper slot therebetween, wherein at least one of the lower die block, the intermediate die block, and the upper die block comprises a metal coating layer on a ceramic body.

Disclosed is a dual slot die coater capable of discharging a coating solution through an outlet after removing air bubbles contained in the coating solution. The dual slot die coater according to the present disclosure includes a first air vent installed in the first manifold region and an uppersecond air vent installed in the second manifold region.

Provided herein is a device for forming a conductive film. The device includes a deposition device and an air supply. The deposition device is configured to form a wet film having conductive nanostructures and a fluid carrier on a web. The web is moved in a first direction while forming the wet film. The air supply is disposed at a side of the web and configured to apply an air flow onto the wet film. The air flow is directed onto the wet film in a second direction perpendicular to the first direction to reorient a direction of some conductive nanostructures in the wet film to define reoriented conductive nanostructures.

Methods of making fiber-containing prepregs are described. The methods may include the steps of providing a plurality of fibers, and applying a reactive resin composition to the plurality of fibers to make a mixture of the plurality of fibers and the resin composition. The reactive resin composition may include at least one of monomers and oligomers capable of polymerizing into a polymerized resin matrix. The mixture may be heated to a polymerization temperature where the monomers, oligomers, or both polymerize to form a fiber-resin amalgam that includes the polymerized resin matrix. The fiber-resin amalgam may be formed into the fiber-containing prepreg. Also described are methods of forming a fiber-reinforced composite that includes the prepreg.

There is provided a dual slot die coater that is easy to adjust a coating gap and can control a widthwise deviation of coating gap. The dual slot die coater of the present disclosure includes a plate member including a lower plate, an intermediate plate positioned on the lower plate and an upper plate positioned on the intermediate plate, wherein a lower slot is formed between the intermediate plate and the lower plate, and an upper slot is formed between the upper plate and the intermediate plate; a block provided on a rear surface of the plate member, wherein the block can be separated from or coupled to the plate member, or integrally formed with at least one plate of the plate member; a first bolt to push at least one plate of the plate member from the block as the first bolt passes through the block; and a second bolt to pull the at least one plate of the plate member toward the block as the second bolt passes through the block.

A slot coating die for applying a fluid composition on a substrate, comprising: an upstream die part having a lower edge; a downstream die part having a lower edge, the downstream die part facing the upstream die part and spaced apart from the upstream die part, and the lower edge of the upstream die part being vertically aligned with the lower edge of the downstream die part; a patterned shim plate between the upstream die part and the downstream die part, the patterned shim plate having a lower edge, wherein the lower edge comprises at least one cut-out; and a blank shim plate having a lower edge being devoid of cut-out, the blank shim plate being located between the downstream die part and the patterned shim plate; wherein at least one of the upstream die part and the downstream die part comprises at least one fluid inlet.