Abstract: A detachable bathtub has a bathtub, a side board, and a base beneath the bathtub. The bathtub has an upper flange with posts, an interior and bulges beneath the bathtub. The side board has a peripheral flange with rectangular holes and protrusions disposed thereon. The base has inserted holes thereon, an elongated recess thereunder, and guide blocks disposed at two sides of the base. The elongated recess receives an adjusting block. Each supporting block has a rectangular groove on one side and an inserted groove on the opposite side. The adjusting block is inserted in the elongated recess. The bulges are inserted in the inserted holes. The guide blocks are inserted in the rectangular grooves. The side board abuts one side of the bathtub. The protrusion is pressed into the inserted groove.

Abstract: A bathtub includes a bottom portion having a number of bulges extended downward, and a base having a number of orifice formed in the upper surface for engaging with the bulges. The base includes a number of blocks engaged in the bottom portion so as to form a stable supporting structure and includes an outer peripheral portion having a number of protrusions for engaging with a number of supports which further stably support the base and the bathtub. The bathtub includes a stable bottom and may be easily assembled.

Abstract: A bath tub includes a board and a base disposed in the bottom portion for supporting the bath tub. The base includes a recess formed in the middle portion for receiving the board and a number of lugs extended inward of the recess for engaging with the board so as to retain the board in the base. The base includes a groove formed in the peripheral portion, the bath tub includes a flange extended from the upper peripheral portion, and one or more plates include a number of hooks for engaging with the groove and the flange such that the plates may form the wall member of the bath tub.

Abstract: A reinforcing device for a bathtub consists of a bathtub body and a reinforcing base. The bathtub body has four feet beneath the bottom of the bathtub body. The reinforcing base has four basic holes corresponding to the four feet of the bathtub body. The four feet of the bathtub body are capable of being, respectively, inserted into the four basic holes of the reinforcing base. Each foot of the bathtub body and each basic hole of the reinforcing base are screwed up by a screw member, by which the reinforcing base is capable of being fastened with the bathtub body so as to increase the bearing strength and the durability of the bathtub body.

Abstract: A collapsible shelf for bathrooms having a pair of hollow E-shaped frames, two deposit plates for putting things thereon and hanging rod unit for hanging towels or the like, the E-shaped frames respectively having a vertical portion and three horizontal portions extending from the vertical portion to assemble the two deposit plates and the rod unit between them by lateral side opposite grooves in the plates and the rod unit and a slot in each horizontal portion, and two lateral side rods in the plates and the rod unit fitting in hollow interiors of the vertical portions.

Abstract: An auto-inflated life buoy has a belt-like air bag and an air container. The belt-like air bag defines a hollow bag, and has tongue secured on the inside wall of one end and a groove secured on the inside wall of the other end. The air container secured on the outside wall of one end of the belt-like air bag includes an air inlet, an internal chamber and an inlet nozzle. The air inlet coupled to the belt-like air bag is in open communication with the internal chamber which has a press button on the top and a film on the bottom. The lower part of the press button is combined with a pressure spring.