The disclosure identifies an apparatus, system of and method for using an interchangeable fluid jet tool, the tool in at least one embodiment being a waterjet tool device that may be interchangeably integrated with a machine having any form of reciprocating or rotating pump (which may be used as a coolant or cutting fluid pump), and coupled with a motor powered rotatory drive machine, such as a spindle, having any type of tool interchange attachment and tool holders (some industry examples being CAT Taper, HSK, BT, R8, Jacobs, or other type, including specific configurations to attach to heavy mobile construction or demolition equipment for the purposes of mining, cutting stone blocks, slabs, and other shapes, or boring tunnels or passages, in stone or other hard compacted material).

The disclosure identifies an apparatus, system of and method for using an interchangeable fluid jet tool, the tool in at least one embodiment being a waterjet tool device that may be interchangeably integrated with a machine having any form of reciprocating or rotating pump (which may be used as a coolant or cutting fluid pump), and coupled with a motor powered rotatory drive machine, such as a spindle, having any type of tool interchange attachment and tool holders (some industry examples being CAT Taper, HSK, BT, R8, Jacobs, or other type, including specific configurations to attach to heavy mobile construction or demolition equipment for the purposes of mining, cutting stone blocks, slabs, and other shapes, or boring tunnels or passages, in stone or other hard compacted material).

A wet blast machine for cleaning or preparing surfaces comprises: a treatment source for providing a pressurised mixture of treatment material; a nozzle, the nozzle comprising: an inlet for receiving the pressurised mixture of treatment material; an outlet for ejecting the pressurised mixture; and at least one hole in a wall of the nozzle, the hole for feeding one or more products into the nozzle such that one or more surfaces of the product are exposed to the treatment material whilst within the nozzle, allowing for a more efficient wet blast of the products.

A wet blast machine for cleaning or preparing surfaces comprises: a treatment source for providing a pressurised mixture of treatment material; a nozzle, the nozzle comprising: an inlet for receiving the pressurised mixture of treatment material; an outlet for ejecting the pressurised mixture; and at least one hole in a wall of the nozzle, the hole for feeding one or more products into the nozzle such that one or more surfaces of the product are exposed to the treatment material whilst within the nozzle, allowing for a more efficient wet blast of the products.

A device for removing foreign matter from a roll surface. The device includes a blast processing unit and a press unit. The blast processing unit includes an ejection unit configured to eject a projectile material at a surface of a roll that conveys a steel strip inside a heating furnace, and a recovery unit configured to recover the projectile material. The press unit is configured to press the blast processing unit toward the surface of the roll.

A device for removing foreign matter from a roll surface. The device includes a blast processing unit and a press unit. The blast processing unit includes an ejection unit configured to eject a projectile material at a surface of a roll that conveys a steel strip inside a heating furnace, and a recovery unit configured to recover the projectile material. The press unit is configured to press the blast processing unit toward the surface of the roll.

A blade for a measuring tape device may include a first end configured to extend from a housing of the measuring tape device through an aperture, a second end configured to be wound on a reel assembly within the housing, and a first cupped portion having a first amount of cupping over a selected portion of a longitudinal length of the blade. The first cupped portion may be defined by a curved portion extending from an apex of the curved portion toward lateral edges of the blade, and wings extending from each of the lateral edges toward the curved portion on each side of the apex. The curved portion includes a first radius proximate to the apex of the curved portion, and a second radius at a point spaced apart from the apex on both sides of the apex, the second radius being different than the first radius.

A blade for a measuring tape device may include a first end configured to extend from a housing of the measuring tape device through an aperture, a second end configured to be wound on a reel assembly within the housing, and a first cupped portion having a first amount of cupping over a selected portion of a longitudinal length of the blade. The first cupped portion may be defined by a curved portion extending from an apex of the curved portion toward lateral edges of the blade, and wings extending from each of the lateral edges toward the curved portion on each side of the apex. The curved portion includes a first radius proximate to the apex of the curved portion, and a second radius at a point spaced apart from the apex on both sides of the apex, the second radius being different than the first radius.

A meshed shell and a sandblasting method are provided. The meshed shell includes a first end portion, a second end portion opposite to the first end portion, a first annular portion, a second annular portion connected to the first annular portion, a first mesh portion between the first end portion and the first annular portion and a second mesh portion between the second end portion and the second annular portion. The weights of the first end portion and the second end portion are the same. A maximum inner diameter of the mesh of the first and second mesh portions is smaller than a penetration size of the component. Both of the sum of the weights of the first and second end portions and the sum of the weights of the first and second annular portions are greater than the sum of the weights of the first and second mesh portions.

A meshed shell and a sandblasting method are provided. The meshed shell includes a first end portion, a second end portion opposite to the first end portion, a first annular portion, a second annular portion connected to the first annular portion, a first mesh portion between the first end portion and the first annular portion and a second mesh portion between the second end portion and the second annular portion. The weights of the first end portion and the second end portion are the same. A maximum inner diameter of the mesh of the first and second mesh portions is smaller than a penetration size of the component. Both of the sum of the weights of the first and second end portions and the sum of the weights of the first and second annular portions are greater than the sum of the weights of the first and second mesh portions.