Patent ID: 11911874
Assignee: nan
Field: Basic materials chemistry (Chemistry)
Classification: CPC B  C | IPC B  C

Claim 0:
1. A portable wet sand blaster comprising: a hand truck tank; a slurry pump; a manifold; and a blasting gun, wherein,
said hand truck tank comprises: a bottom panel; a front side; a rear side; a right side; and a left side, wherein,
said bottom panel is a rigid rectangular horizontal planar member with a front edge, a rear edge, a left edge, a right edge, an inner surface, and an outer surface,
said front side is a rigid rectangular vertical planar member with an upper edge, a lower edge, a left edge, a right edge, an inner surface, and an outer surface,
said front side has a slurry feed line hole or fitting therein which is a circular hole, fitting, connector, or flange in said front side that is used to pass a slurry feed line therethrough,
said rear side is a rigid rectangular planar angled member with an upper edge, a lower edge, a left edge, a right edge, an inner surface, and an outer surface,
said rear side has a drain hole therein which is a circular hole in said rear side that is used to attach a drain valve thereto,
said right side is a rigid right trapezoid vertical planar member with an upper edge, a lower edge, a front edge, a rear edge, an inner surface, and an outer surface,
said upper and lower edges of said right side are parallel with each other and perpendicular to said front edge of said right side,
said left side is a rigid right trapezoid vertical planar member with an upper edge, a lower edge, a front edge, a rear edge, an inner surface, and an outer surface,
said upper and lower edges of said left side are parallel with each other and perpendicular to said front edge of said left side,
said lower edge of said front side is connected to and contiguous with said front edge of said bottom panel to form a rigid watertight connection therebetween,
said front side is positioned perpendicular to said bottom panel,
said right edge of said front side is connected to and contiguous with said front edge of said right side to form a rigid watertight connection therebetween,

said front side is positioned perpendicular to said right side,
said left edge of said front side is connected to and contiguous with said front edge of said left side to form a rigid watertight connection therebetween,
said front side is positioned perpendicular to said left side,
said lower edge of said right side is connected to and contiguous with said right edge of said bottom panel to form a rigid watertight connection therebetween,
said rear edge of said right side is connected to and contiguous with said left edge of said rear side to form a rigid watertight connection therebetween,
said lower edge of said left side is connected to and contiguous with said left edge of said bottom panel to form a rigid watertight connection therebetween,
said rear edge of said left side is connected to and contiguous with said right edge of said rear side to form a rigid watertight connection therebetween,
said lower edge of said rear side is connected to and contiguous with said rear edge of said bottom panel to form a rigid watertight connection therebetween,
said rear side is positioned at an obtuse angle with said bottom panel,
said rear side is positioned at a right angle with said right and left sides,
said upper edges of said front side, said right side, said left side, and said rear side are horizontal and aligned with each other to form a flat top or opening of said hand truck tank,
said slurry pump is a pump or a device,
said slurry pump is a submersible pump or sub pump,
said slurry pump has an intake port or opening and an output port or opening,

said manifold comprises: a manifold input; a middle section; a main manifold output; a Y-branch output; a T-fitting; a first length of pipe or conduit; a second length of pipe or conduit; a first elbow fitting; a second elbow fitting; a first slurry mixing output; a second slurry mixing output; and a slurry output line,
said manifold input is a length of cylindrical conduit, flow channel, pipe, hose, tubing, or duct with a first end, a second end, a longitudinal axis, an inner diameter, and an outer diameter,
said manifold input is reversibly attachable to said output port or opening on said slurry pump using a fitting, connector, flange, or other interface to make a watertight connection therebetween,
said main manifold output is a length of cylindrical conduit, flow channel, pipe, hose, tubing, or duct with a first end, a second end, a longitudinal axis, an inner diameter, and an outer diameter,
said first end of said main manifold output is rigidly attached to said second end of said manifold input to make a watertight connection therebetween,
said longitudinal axis of said manifold input is parallel with said longitudinal axis of said main manifold output,
said Y-branch output is a is a length of cylindrical conduit, flow channel, pipe, hose, tubing, or duct with a first end, a second end, a longitudinal axis, an inner diameter, and an outer diameter,
said first end of said Y-branch output is rigidly attached to said middle section of said manifold in between said manifold input and said main manifold output to make a watertight connection therebetween,
said longitudinal axis of said Y-branch output is at an acute angle to said longitudinal axis of said main manifold output,
said longitudinal axis of said Y-branch output is at an obtuse angle to said longitudinal axis of said manifold input,
said T-fitting is a T-shaped fitting or section of cylindrical conduit, flow channel, pipe, hose, tubing, or duct with a base end, a first end, a second end, an inner diameter, and an outer diameter,
said base end is the bottom end or base end of said T-shape,
said first end and said second end are the upper ends of said T-shape,
said first length of pipe or conduit is a horizontal length of cylindrical conduit, flow channel, pipe, hose, tubing, or duct with a first end and a second end with a first end, a second end, a length, an inner diameter, and an outer diameter,
said second length of pipe or conduit is a horizontal length of cylindrical conduit, flow channel, pipe, hose, tubing, or duct with a first end and a second end with a first end, a second end, a length, an inner diameter, and an outer diameter,
said first elbow fitting is a L-shaped fitting or section of cylindrical conduit, flow channel, pipe, hose, tubing, or duct with a base end, a first end, a second end, an inner diameter, and an outer diameter,
said second elbow fitting is a L-shaped fitting or section of cylindrical conduit, flow channel, pipe, hose, tubing, or duct with a base end, a first end, a second end, an inner diameter, and an outer diameter,
said first slurry mixing output is a length of cylindrical conduit, flow channel, pipe, hose, tubing, or duct with a first end, a second end, a length, a longitudinal axis, an inner diameter, and an outer diameter,
said longitudinal axis of said first slurry mixing output is essentially parallel with the plane of said rear side of said hand truck tank,
said second slurry mixing output is a length of cylindrical conduit, flow channel, pipe, hose, tubing, or duct with a first end, a second end, a length, a longitudinal axis, an inner diameter, and an outer diameter,
said longitudinal axis of said second slurry mixing output is essentially parallel with the plane of said rear side of said hand truck tank,
said slurry output line is a length of cylindrical conduit, flow channel, pipe, hose, tubing, or duct with a first end, a second end, a length, an inner diameter, and an outer diameter,
said base end of T-fitting is rigidly attached to said main manifold output to make a watertight connection therebetween,
said first end of said T-fitting is rigidly attached to said first end of said first length of pipe or conduit,
said second end of said T-fitting is rigidly attached to said first end of said second length of pipe or conduit,
said second end of said first length of pipe or conduit is rigidly attached to said first end of said first elbow fitting,
said second end of said second length of pipe or conduit is rigidly attached to said first end of said second elbow fitting,
said second end of said first elbow fitting is rigidly attached to said first end of said first slurry mixing output,
said second end of said second elbow fitting is rigidly attached to said first end of said second slurry mixing output,
said second end of said first slurry mixing output is open,
said second end of said second slurry mixing output is open,
said first end of said slurry output line is rigidly attached to said second end of said Y-branch output to make a watertight connection therebetween,
said second end of said slurry output line is rigidly attached to said slurry feed line hole or fitting in said front side of said hand truck tank,

said blasting gun is a is an apparatus that sprays, ejects, or squirts compressed air and a slurry mix onto a surface of a workpiece,
said blasting gun comprises: a first end, a second end, an air valve, a slurry valve; a nozzle; a slurry feed line; and a compressed air feed line,
said nozzle is a venturi tube with a main input, a constricted area, a secondary input, and a main output,
said air valve is a valve that controls, adjusts, and shuts off air flow through said blasting gun,
said air valve is located on said blasting gun,
said slurry valve is a valve that controls, adjusts, and shuts off the flow of said slurry mix through said secondary input of said nozzle,
said slurry valve has a first end and a second end,
said compressed air feed line is a length of cylindrical conduit, flow channel, pipe, hose, tubing, or duct with a first end, a second end, a length, an inner diameter, and an outer diameter,
said slurry feed line is a length of cylindrical conduit, flow channel, pipe, hose, tubing, or duct with a first end, a second end, a length, an inner diameter, and an outer diameter,
said main input of said nozzle is connected to said second end of said blasting gun,
said main input on said nozzle is attached to said second end said blasting gun,
said second end of said slurry valve is attached to said secondary input on said nozzle,
said first end of said slurry valve is connected to said second end of said slurry feed line,
said first end of said slurry feed line is connected to said slurry feed line hole or fitting on aid front side of said hand truck tank,
said first end of said compressed air feed line is indirectly connected to an air compressor, and
second end of said compressed air feed line is connected to said first end of said blasting gun.