Provided is an application tool that allows reduction of an amount of waste by using no masking sheets, and can easily form a coated portion such as an antislip protrusion with reduced variation in a short time period. The application tool includes a support plate and a plurality of application bodies disposed at the support plate so as to protrude with height positions of the tips aligned with each other. A tip recess is disposed at the tip portion of each of the plurality of the application bodies as a holding recess for holding coating liquid.

A liquid application unit and a liquid application apparatus are provided, for which a liquid material can be readily resupplied or replaced. A liquid application unit includes: a plurality of application needle units each including an application needle and a liquid material container in which the liquid material is stored and from which the liquid material is supplied to the application needle; and a first driving unit configured to move the application needle relative to a target and the liquid material container in a first direction. The plurality of application needle units are integrally attachable to and detachable from the first driving unit.

A liquid application unit and a liquid application apparatus are provided, for which a liquid material can be readily resupplied or replaced. A liquid application unit includes: a plurality of application needle units each including an application needle and a liquid material container in which the liquid material is stored and from which the liquid material is supplied to the application needle; and a first driving unit configured to move the application needle relative to a target and the liquid material container in a first direction. The plurality of application needle units are integrally attachable to and detachable from the first driving unit.

Some embodiments of a coating system can include a conveyor and an infrared panel positioned above the conveyor, where the infrared panel outputs infrared energy toward the conveyor bed, a coating device positioned above a brush bed that dispenses coating material towards the brush bed, wherein the brush bed is configured to receive products; and a drying station comprising a rolling conveyor downstream from the brush bed.

Some embodiments of a coating system can include a conveyor and an infrared panel positioned above the conveyor, where the infrared panel outputs infrared energy toward the conveyor bed, a coating device positioned above a brush bed that dispenses coating material towards the brush bed, wherein the brush bed is configured to receive products; and a drying station comprising a rolling conveyor downstream from the brush bed.

An excess coating removal device, which may be used with or retrofit to a can coating machine. Excess coating is removed before it can contact undesirable locations on the machine or the can.

A fluid applicator for use in a fluid application system includes a base plate comprising at least one rail and a housing slidably coupled to the base plate. The fluid applicator also includes a plurality of fluid permeable pads positioned within the housing and a fluid delivery conduit coupled to the base plate and to the housing. The fluid applicator further includes an actuator configured to selectively move the housing and the plurality of pads along the rails between a first position and a second position. The plurality of fluid permeable pads are in flow communication with the fluid delivery conduit in the first position, and the plurality of fluid permeable pads are prevented from being in flow communication with the fluid delivery conduit in the second position.

Various rechargeable product applicator systems are disclosed. The rechargeable product applicator system can include a reusable applicator configured to receive fluid, a canister, and a dispenser. The canister can comprise a distal end, a proximal end, and an intermediate portion. The distal end can comprise an access opening and a lid configured to be opened and closed. The intermediate portion can comprise an internal chamber configured to receive the applicator via the access opening and a fluid via an opening in the proximal end of the canister. The dispenser can be configured to deliver the fluid to the internal chamber of the canister. A distal portion of the dispenser can comprise an opening. The distal portion can be configured to engage with the opening of the proximal end of the canister. A body portion of the dispenser can comprise a reservoir of the fluid.

Various rechargeable product applicator systems are disclosed. The rechargeable product applicator system can include a reusable applicator configured to receive fluid, a canister, and a dispenser. The canister can comprise a distal end, a proximal end, and an intermediate portion. The distal end can comprise an access opening and a lid configured to be opened and closed. The intermediate portion can comprise an internal chamber configured to receive the applicator via the access opening and a fluid via an opening in the proximal end of the canister. The dispenser can be configured to deliver the fluid to the internal chamber of the canister. A distal portion of the dispenser can comprise an opening. The distal portion can be configured to engage with the opening of the proximal end of the canister. A body portion of the dispenser can comprise a reservoir of the fluid.

A co-axial roller printing equipment includes a working platform, a roller, a grinding device, a cutting device and a coating structure. The working platform is configured for carrying a substrate and driving the substrate to move. The roller is disposed above the working platform and has a surface. The grinding device is disposed on the working platform and configured to contact and grind the surface of the roller. The cutting device is disposed on the working platform and configured to cut the surface of the roller to form a plurality of relief structure. The coating structure is configured to receive a slurry and coat the slurry on the relief structures. Wherein, the grinding device and the cutting device grind and cut the surface of the roller in sequence; wherein, the coating structure coats the slurry on the relief structures, then the roller prints the slurry on the substrate.