A pipe joint includes a hollow joint main body; a nut that is screwed into the joint main body; a seal member that is mounted to inside of the joint main body; and a retainer that is placed between the joint main body and the nut and comprises a pawl portion engaged with a trough of a metal flexible pipe in a coupled state and a retainer locking portion caught and locked inside of the joint main body in the coupled state.

A garden hose includes a corrugated pipe and a braided layer. The corrugated pipe defines an axial direction. The braided layer is sleeved to the corrugated pipe. An inner diameter of the braided layer is smaller than an outer diameter of the corrugated pipe when the corrugated pipe and the braided layer are separated from each other, and the braided layer is radially stretched by and abutted against the corrugated pipe when being sleeved to the corrugated pipe.

A garden hose includes a corrugated pipe and a braided layer. The corrugated pipe defines an axial direction. The braided layer is sleeved to the corrugated pipe. An inner diameter of the braided layer is smaller than an outer diameter of the corrugated pipe when the corrugated pipe and the braided layer are separated from each other, and the braided layer is radially stretched by and abutted against the corrugated pipe when being sleeved to the corrugated pipe.

A dust blowing gun extension pipe capable of being bent and shaped includes a flexible inner pipe, the flexible inner pipe is sleeved with a spring assembly; an outer portion of the spring assembly is coated with a flexible coating layer, two ends of the flexible inner pipe are respectively connected to a connector assembly, and the connector assembly interacts with the flexible inner pipe to form an air channel; the connector assembly comprises a first connector and a second connector, the first connector is provided with a first extension portion, and the first extension portion is sleeved between the flexible inner pipe and the spring assembly; an end portion of the flexible inner pipe extends into the first connector, an end portion of the flexible inner pipe is provided with a protruding ring, and the first connector is internally provided with a limiting step portion.

A dust blowing gun extension pipe capable of being bent and shaped includes a flexible inner pipe, the flexible inner pipe is sleeved with a spring assembly; an outer portion of the spring assembly is coated with a flexible coating layer, two ends of the flexible inner pipe are respectively connected to a connector assembly, and the connector assembly interacts with the flexible inner pipe to form an air channel; the connector assembly comprises a first connector and a second connector, the first connector is provided with a first extension portion, and the first extension portion is sleeved between the flexible inner pipe and the spring assembly; an end portion of the flexible inner pipe extends into the first connector, an end portion of the flexible inner pipe is provided with a protruding ring, and the first connector is internally provided with a limiting step portion.

A recreational vehicle waste delivery system with lengths of 3D cylindrical non-flexible tube and of 3D cylindrical flexible-tube, a first-coupler and, a second-coupler. The first coupler, the at least one flexible-tube, the second-coupler and the at least one flexible-tube in combination are able to be removably couplable modularly in series to provide an adjustable, modular waste management system for delivering waste from an rv to an in-ground sewer connection when engaged with a disposal fitting of the rv.

A recreational vehicle waste delivery system with lengths of 3D cylindrical non-flexible tube and of 3D cylindrical flexible-tube, a first-coupler and, a second-coupler. The first coupler, the at least one flexible-tube, the second-coupler and the at least one flexible-tube in combination are able to be removably couplable modularly in series to provide an adjustable, modular waste management system for delivering waste from an rv to an in-ground sewer connection when engaged with a disposal fitting of the rv.

The fluid pressure actuator comprises an actuator body portion and a sealing mechanism that seals the end of the actuator body portion in the axial direction D.sub.AX of the actuator body portion. The sealing mechanism includes a sealing member into which the actuator body portion is inserted, a caulking ring provided on the outer peripheral surface of the actuator body portion inserted into the sealing member and restricting the actuator body portion, and a locking ring that locks the sleeve to the sealing member. The sealing member includes a body portion into which the tube is inserted, and the outer diameter of the body portion is larger than the inner diameter of the tube in the portion not inserted into the body portion.

A fixture flush system and method. The fixture flush system includes a first fastening end attached to a water faucet spout. A second fastening end is attached to a water supply line to facilitate reverse flow through the faucet and hot or cold water supply lines.

A device for the detachable connection of a first tubular component and a second tubular component, wherein the first tubular component has a flange-like thickening in an end region facing the second component, wherein a screw nut is provided as the second tubular component which is dimensioned such that the inner opening of the screw nut can be applied over the flange-like thickening onto the first tubular component, wherein two passages located radially next to one another are provided in the outer wall of the screw nut, and wherein a flat, clamp-shaped holding component is provided, having two inner brackets corresponding to the two passages of the screw nut so that the two inner brackets can be pushed into the passages of the screw nut. The screw nut is fastened to the first component in connection with the flange-like thickening of the first component.