Abstract: A shower base installation system including a shower base and shower base installation tool. The shower base includes one or more recesses on the bottom surface. The installation tool includes a handle, a strap, and a hook. The tool is used to lift and maneuver a shower base into position by engaging the hook into one of the recesses in the shower base.

Abstract: A shower system for use in a shower environment includes a receptor. The receptor includes a fluid collection area and a rim. The fluid collection area includes a base forming a bottom surface of the fluid collection area and an opening extending through the base to allow water to drain from the fluid collection area via the opening. The rim extends outward from the fluid collection area along at least a portion of a perimeter of the fluid collection area. The rim includes a resizing feature configured to facilitate removing a portion of the rim to change a size of the receptor in one or more dimensions.

Abstract: A flat shower is a drainage fitting for the evacuation of surface and weeping water arising from showering on a tiled surface, where the tiling installation method is thinset, that is, where the tiles are adhered directly to membrane placed on top of a sloping medium such as mortar or foam installed directly to the subfloor. The height of such tile installations being minimal, a novel, minimal height flat drain assembly comprised of angle bar at the shower wall or flat bar in the midst of the flat tile floor, and said bar(s) then made contiguous with a floor drain membrane, is described.

Abstract: Apparatus and methods for constructing a shower pan. The shower pan is constructed from wedge panels having a foam core and facers on major surfaces of the wedge panels. The wedge panels are cut into portions that fit regions of the shower pan area. The wedge panel portions are placed in the regions such that the sloped upper surfaces of the wedge panel portions collectively form a continuous surface that at all locations slopes downward toward the drain of the shower. Pans for a wide variety of shower shapes and sizes can be constructed. The shower pan may be efficiently constructed on-site, often using common tools and techniques.

Abstract: A drainable floor and linear drain, the drainable floor having an integral trench associated therewith, the trench comprising sidewall and a trench floor, and one or more floor covering panels positioned in registry with the drainable floor, where the one or more floor covering panels cover a portion of the projection of the trench floor, while leaving at least one other portion of the trench floor uncovered by such one or more floor covering panels.

Abstract: A wash stand comprising a wash basin having a drain opening which opens into a drain chamber. In the drain opening there is a cover which extends over part of the drain opening such that, at least in a lower region of the drain opening, a gap is created through which water can flow out of the wash basin into the drain chamber. In the drain chamber there is at least one mounting point on which the cover is supported removably by the at least one mounting point. The cover in the at least one mounting point is mounted pivotably about at least one pivot axis such that the cover can be pivoted from a use position into an intermediate position in which the cover can easily be grasped by a user. From its intermediate position, the cover can be removed from the mounting point out of the drain opening.

Abstract: A low profile drain includes a first extrusion channel extending lengthwise in a first direction, a second extrusion channel extending lengthwise in the first direction, and a connection channel extending lengthwise in the first direction. The connection channel is configured to interlock with an end of the first extrusion channel via a first interlocking mechanism, and interlock with an end of the second extrusion channel via a second interlocking mechanism. The first interlocking mechanism includes at least one first angular protrusion disposed on the first extrusion channel, and a first angular recess disposed on the connection channel. The at least one first angular protrusion is configured to interlock with the first angular recess.

Abstract: A kit for manufacturing a shower, comprising a shower pan, one or more pre-sized and shaped floor covering panels, one or more pre-sized and shaped wall covering panels, and, in some of the embodiments, one or more pre-sized and shaped curb covering panels. The invention is also directed to a method for manufacturing a shower by the steps of: (i) installing a shower pan, (ii) installing one or more pre-sized and shaped floor covering panels, (iii) installing one or more pre-sized and shaped wall covering panels, and, in some of the embodiments, (iv) installing one or more pre-sized and shaped curb covering panels. The invention is also directed to a manufactured shower, comprising: a shower pan, one or more pre-sized and shaped floor covering panels, one or more pre-sized and shaped wall covering panels, and, in some embodiments, one or more pre-sized and shaped curb covering panels.

Abstract: Apparatus and methods for constructing a shower pan. The shower pan is constructed from wedge panels having a foam core and facers on major surfaces of the wedge panels. The wedge panels are cut into portions that fit regions of the shower pan area. The wedge panel portions are placed in the regions such that the sloped upper surfaces of the wedge panel portions collectively form a continuous surface that at all locations slopes downward toward the drain of the shower. Pans for a wide variety of shower shapes and sizes can be constructed. The shower pan may be efficiently constructed on-site, often using common tools and techniques.

Abstract: A molded shower pan includes a base having a drain opening. A plurality of strengthening ribs extend downwardly from the base wherein the spacing between adjacent ribs is a function of rib height.

Abstract: A flooring system includes a gridwork having a modular configuration that defines a grid with cells for receiving a filler material which forms a bed or floor base sloping toward a drain fixture. The gridwork includes different groupings of leveling holes located at selected junctions between adjacent cells that are arranged to selectively move or tilt the gridwork relative to an underlying base in conjunction with the formation of the bed or floor base.

Abstract: Disclosed is a dike for semiconductor/LCD manufacturing and processing equipment, in which a plurality of straight blocks and a plurality of corner blocks, having a predetermined height, are engaged to form a polygonal-shaped fence having a predetermined area, and molten epoxy is injected to a predetermined height in the space within the fence and solidified.

Abstract: A trench drain apparatus includes a trench body and an insert that can be assembled to the trench body to adjustably locate a trench drain hole in the insert relative to a footprint of the trench body. This allows adjustment of the trench drain hole at the installation site, yet takes advantage of pre-manufactured components. An upper surface of the trench body may receive an optional waterproof membrane clamped onto the sealing surface by a clamp ring. The insert can be rotated 180 degrees prior to installation to provide two different drain hole locations, or can be cut on site at one or both ends so that the drain hole ends up at desired location optimally matching a pre-existing drainage pipe opening. Methods related to the above are also provided, including adjusting the insert to locate the trench drain hole at an optimal location.

Abstract: Disclosed is a shower tray with a walking surface placed at the top of a collecting tub. The walking surface is surrounded by a coplanar perimeter frame from which it is spaced, thereby forming a continuous perimeter slot allowing water to flow into the collecting tub. The shower tray includes an automatic system to easily and conveniently access the innermost parts of the shower tray, below the walking surface.

Abstract: A waterproof panel for shower tray, adapted to be placed over a foundation, to be interposed between the latter and a floor covering layer includes at least one plate-like element and a waterproof covering which is applied on top of the at least one plate-like element, and has, on the lower face for adhesion to the foundation, and low-relief portions adapted to accommodate adhesive for the adhesion of the panel to the foundation.

Abstract: A linear drain system includes a drain channel and a support bracket assembly. The drain channel includes an upper surface, a lower surface, and a plurality of side surfaces connecting the upper surface and the lower surface. The drain channel further includes a drain hole disposed in the lower surface, and an L-shaped recess formed on an underside of the drain channel by the upper surface, the lower surface, and the side surfaces. The support bracket assembly is shaped and dimensioned to fit in the L-shaped recess. When the support bracket assembly is disposed in the L-shaped recess, a bottom portion of the upper surface of the drain channel contacts an upper surface of the support bracket assembly, and outer portions of the side surfaces of the drain channel contact inner side surfaces of the support bracket assembly.

Abstract: A shower tray or other article having a face with an anti-slip surface comprising an array of spaced apart raised projections. Each projection has a height of between 0.5 mm and 1 mm and a top surface with an area of between 3.14 mm2 and 50.27 mm2, adjacent projections being spaced apart by between 10 mm and 16 mm. Each projection is shaped to have a right angled edge between its top and side. The projections are flared at the bottom. The anti-slip surface exhibits high anti-slip properties while being comfortable and easy to clean.

Abstract: The invention relates to a waste fitting including a waste pan means into which waste can flow, at least one part of the waste pan means allowing visual inspection therethrough. During installation, an opening of the waste outlet can be located by visual inspection through the or each at least one part of the waste pan means, enabling a suitable position to be determined for forming and or positioning of at least one aperture in the waste pan means. The at least on aperture is formed such that, in use, waste that flows into the waste pan means can exit through the or each at least one aperture towards the opening in the waste outlet. The invention also relates to a method of installing a waste fitting.

Abstract: A linear wall drain that includes a removable faceplate and is adapted to be secured to a recessed front wall, the faceplate including at least one magnet that is affixed to a front surface of the recessed front wall and at least one magnet affixed to a rear surface of the faceplate such that the two magnets will removeably hold the faceplate to the recessed front wall when the two magnets are aligned.

Abstract: A linear wall drain that includes a removable faceplate and is adapted to be secured to a recessed front wall, the faceplate including at least one magnet that is affixed to a front surface of the recessed front wall and at least one magnet affixed to a rear surface of the faceplate such that the two magnets will removeably hold the faceplate to the recessed front wall when the two magnets are aligned.

Abstract: A frame having a slope for supporting tiles of a shower floor, having: a plurality of slats in a grid formation; a higher portion and a lower portion creating the slope; a plurality of guide rails configured to hold the tiles in place at a uniform level with each other and following the slope when placed onto the frame; a drain hole at the lower portion, the drain hole aligning with a drain of the shower floor; the slope of the frame and the tiles allowing water to flow from the higher portion to the lower portion towards the drain and quickly drain the water into the drain, thus preventing accumulation of the water on the shower floor.

Abstract: A shower pan has a first portion having a drain hole and a bottom flat surface to contact a floor and a top surface having a predetermined slope toward the drain hole; and a second portion coupled to the first portion at the drain hole, the second portion having a bottom surface with the predetermined slope and adapted to gaplessly fit with the first portion through a waterproofing pan liner.

Abstract: A carrier body assembly for forming part or all of a shower floor includes a rigid carrier body having a bearing surface for sanitary surface material such as tile and a sealing membrane that overlies the top or bottom surface of the carrier body but is attached to only a portion of the top or bottom surface. The unattached portion of the membrane is folded away from the carrier body to enable trimming of the carrier body to fit without damaging the membrane. After installation of the carrier body the membrane overlies the adjacent shower structure to form a watertight, water-impermeable connection between the carrier body and the adjacent shower structure.

Abstract: A tile installation comprises a plurality of surface tiles installed upon a surface, the plurality of surface tiles defining a perimeter area that at least partially circumscribes a drain area. A drain fitting is installed within the drain area. A frame is in fluid communication with the drain fitting, the frame including: i) an at least partially horizontal support surface; and ii) installation block receiving structure, with which an installation block can be mated. A drain tile support is removably fittable within the frame, the drain tile support including an upper surface to which a drain tile can be attached, and at least one support feature extending away from the upper surface and restable upon the support surface of the frame.

Abstract: A linear drain system may include a main body including a first end, a second end longitudinally opposed to the first end, and a top surface, a drain opening formed through the main body, and a drain channel formed in the top surface and extending longitudinally from proximate the first end to proximate the second end and in fluid communication with the drain opening, wherein the drain channel includes a V-shape in cross-section.

Abstract: A receiving element for a screw-type shower tray valve, for insertion into a continuous outlet opening of a shower floor panel, having a first flat side and a second flat side directed away from the first one, an annular body that can be inserted from the first flat side into the outlet opening and that bears with its bearing collar on the first flat side of the shower floor panel, the bearing collar merging into an inclined profiled wall of the annular body and running out into a cylindrical inner wall, and a support flange that can be inserted from the second flat side of the shower floor panel into the outlet opening and that bears with its bearing collar on the second flat side of the shower floor panel. The wall of the annular body and the support flange each has at least one circumferential rib.

Abstract: Described is a multi-piece shower pan. The multi-piece shower pan includes a shower pan piece and a seat piece. The seat piece is formed to overlap a portion of the show pan piece during installation. The shower pan piece includes a drain hole designed to fit a drain pipe such that when the drain pipe is fastened to the shower pan piece, the drain pipe extends ½ to 2 inches above the bottom of the shower pan piece. Thus, when cement or other adhesive is floated on the interior surface of the shower pan, tiles of varying thickness can be installed in such a manner that the top surface of the tiles are flush with the top portion of the drain pipe. The shower pan piece also has a water dam with a fin as added protection against water migration outside the shower pan.

Abstract: A prefabricated shower bench for installation in a tiled shower includes an upper surface having a plurality of peripheral edges, and at least three sidewalls. Each sidewall has an upper edge and a lower edge. Each upper edge is connected along a corresponding peripheral edge of the upper surface. The lower edge of each sidewall terminates in a common plane. One sidewall includes a setback area along the entire lower edge which has a height greater than the height of a sidewall of a prefabricated shower module. The upper surface is horizontal or pitched downwards toward the shower module when the shower bench is installed adjacent to the sidewall of the shower module such that the sidewall of the shower module resides within the setback area, thereby preventing the weight of the shower bench from resting on the sidewall of the shower module.

Abstract: Methods and apparatus for creating a shower or bath enclosure, in which, given a predetermined area in which to create the shower or bath, a given prefabricated water proof bath or shower floor module is too small to occupy the entire available enclosure space. The apparatus includes the use of one or more additional enclosure components, such as one or more shower benches, to occupy a space between an edge or edges of the floor module and the exterior boundary(ies) of the enclosure space.

Abstract: A weir grate (10, 100) comprises a base tray (12, 112) having an outlet (14, 114), and an infill tray (16, 116) positionable in the base tray. The base tray comprises a plurality of discretely positioned posts (22, 122) projecting upwardly therefrom in use. The infill tray comprises a plurality of correspondingly positioned locators (40, 140) projecting downwardly therefrom in use. Each locator is arranged for engaged with a respective post when the infill tray is positioned in the base tray.

Abstract: A flanged plumbing fixture having two planar fabric mortar-bondable face layers fused to opposite sides of a planar plastic core layer is made by aligning two preformed fabrics on top of each other, with connecting elements positioned between the fabrics and bonded to each of the two fabrics, positioning the connected two fabrics in a mold and centering the connected fabrics inside the mold by the connecting elements, injecting a plastic material through openings in the connecting elements, and filling the space between the two fabrics with the plastic material.

Abstract: A shower pan installation kit is disclosed comprising a hexahedrial polymeric curb and a tray having one or more graded or concave panels defining a recess for a drain. The inward surface of the curb is recessed inward and upward. This recess, or groove, is for receiving a waterproof membrane overlaid and overlapping the tray for improvement of the waterproof barrier underlaying the shower pan constructed above the kit.

Abstract: A shower pan (10), preferably having rectangular planform includes a central drain (20) that is centered in a floor portion that inclines at a shallow angle (i.e., 3 degrees or so) to front and back sides and opposite ends. The floor portion and includes a shallow channel (46) along the front edge of the shower pan (10) into which all or substantially all water is drained to a second channel (48) into a central drain (20). An apertured grill or cover plate assembly (36) is mounted in the channels and serves as a cover for the various channels. The shower pan (10) is typically installed so that a sill surface (50) is at the same elevation as the pre-existing floor (52) to provide an entry that does not have any type of ‘trip’ points or obstructions that could pose a hazard to the user or impede assistive aids, such as walkers or wheeled chairs.

Abstract: Elongated drain assemblies, systems and their methods of installation suitable for use in tiled shower stalls are described. The drain assembly includes (i) a base unit with locator pins that penetrate a waterproof membrane when installed and are received in locator pin holes in a overlying mounting bracket permitting alignment of fastener holes and bores in the respective bracket and base unit, and (ii) end extenders that can increase the effective length of the trough through attachment to the ends of the base unit thereby allowing drain assemblies of differing lengths to be created for a particular application.

Abstract: A shower pan provides a shower floor adjoining a surrounding bathroom floor with no raised lip, curb or other obstruction between the two. This allows easy wheeled access for the disabled and comprises a drain plate in combination with an underlayment, which provide a gradual slope from a surrounding floor to a drain and supported on unmodified joists with upper surfaces in the same plane as surrounding bathroom floor joists.

Abstract: A prefabricated, polyurethane reaction injection molded, leak-proof shower module suitable for use in constructing a tiled shower includes a plurality of sidewalls, a floor bounded along at least one peripheral edge by at least one sidewall extending substantially vertically from the edge, and a drain wall defining a drain aperture and having an outer surface and an inner surface. In one embodiment, the floor slopes toward the drain wall at a pitch equal to or greater than ? inch per foot. A prefabricated drain assembly is integrated into the floor and encased inside the drain wall, or a drain fixture is inserted into the drain aperture after fabrication of the floor. In one embodiment, the maximum thickness of the drain wall, measured from the outer surface to the inner surface, is equal to or less than 1 ½ times the smallest inner diameter.

Abstract: A shower base for a shower assembly comprising a floor, a drain cavity, and a transition. The floor includes an end and at least one side. The drain cavity is disposed at the end, and the drain cavity is recessed downwardly relative to the floor to capture water therein. The transition connects the end of the floor to a portion of the drain cavity. The transition comprises a first section having a compound radius that varies in size along the first section, wherein the first section extends outwardly from a vertex to the at least one side of the floor, and where the first section is directly connected to the end of the floor.

Abstract: A shower tray comprises a metal structure (2) and a plurality of plates (3), the structure (2) in metal material comprising an upper peripheral frame (4), a bottom wall (6), and side walls (7) defining a collection tank, the metal structure (2) comprising at least one hole (8) for a drain pipe, the structure (2) in metal material further comprising a plurality of cross bars (9) extending between two opposite side walls (7), arranged in contact with the bottom wall (6) and comprising protuberances (10) projecting on the opposite side with respect to the bottom wall (6), each plate (3) comprising a first (3a) and a second (3b) surfaces that are mutually opposite, the first surface (3a) comprising grooves (11) designed to engage corresponding protuberances (10) of the cross bars (9).

Abstract: There is disclosed a prefabricated shower receptor module having a floor with a drain opening and a plurality of peripheral edges. The floor is bound along at least one peripheral edge by a side flange such that an integral one-piece module is created. In one embodiment, a prefabricated seat is bonded to a peripheral edge of the floor. The module is constructed from a waterproof matrix material suitable for applying shower tile or stone directly thereon. Previously set tile or stone can be removed from the matrix material, and new tile or stone reapplied, without damaging the module.

Abstract: A support for supporting a shower pan is provided. The support comprises an expanded polypropylene tray defining a cavity, an intermediate layer made of oriented strand board and disposed with the cavity, and a top layer made of expanded polystyrene foam disposed with the cavity and having a contoured top surface substantially matching the contoured underside of the shower pan.

Abstract: A composite curb for a shower base, and a self-sealing anchoring cap for a shower curb. The composite curb includes a lower-density base portion formed of closed cell foam, and a higher-density anchoring cap portion attached to the base.

Abstract: An injection molded shower stall assembly or bathtub assembly particularly for use in a recreational vehicle includes an injection molded tub or shower base, which includes an integrally formed drainpipe which is externally threaded and adapted to easily and permanently be connected to plumbing for the recreational vehicle. Injection molded walls are formed to surround either the shower stall or tub. The injection molded walls have lower edges that interfit with edges of the tub or shower stall in a way which prevents water from flowing behind the preformed walls and holds the lower edges of the preformed walls in position, eliminating the need for any type of penetrating fastener along the base of the walls. The walls are formed in multiple sections that fit one on top of the other, with interfitting lower and upper edges, again to reduce the need for penetrating fasteners and to hold the sections in position.

Abstract: A superstructure system for a drain located in the floor region of a wash area or shower stall, including a cover box which is to be placed over the drain and has a closed rear side and top and end faces connecting the rear side and the top, a side which is open toward the drain and a visible side which is open toward the water collection element of the drain, and in which a cover flap (10) is vertically oriented, the lower face of which, when installed, delimits a drain slot of the superstructure system and is connected to the cover box by way of a hinge so as to be horizontally pivotable.

Abstract: The present invention is directed to methods of installation and use of drain and drain concealment structures. The preferred embodiment involves a method of installing and using a mortar drain base, threaded invertible membrane clamp, threaded flanged pipe, and drain cover when installed in a handmade mortared shower bed, or using a threaded pan drain base, threaded flanged pipe, and drain cover when installed on a prefabricated shower pan. The drain body may be connected to the shower bed or shower pan by any suitable means, such as but not by way of limitation by being integrally molded therewith during the manufacture of the pan, by connection post-manufacture, or in situ in the field. The cover, which is defined by a peripheral edge supported by horizontal cantilevered posts, is adapted to lie in registry with, and thereby cover, the drain aperture perforating the threaded flanged pipe. In this way, water is permitted to exit the shower or bath without the drain aperture being visible.

Abstract: A three dimensional structure comprised of a flexible sheet material referred to herein as a curb cover is described that can be easily secured with adhesive or resin over the intersection of a shower stall floor, a shower stall wall, and a step over curb. The curb cover is used in conjunction with a waterproof membrane to waterproof the shower pan and up portions of the surrounding wall and step over curb.

Abstract: A shower pan installation kit is disclosed comprising a hexahedrial polymeric curb and a tray having one or more graded or concave panels defining a recess for a drain. The inward surface of the curb is recessed inward and upward. This recess, or groove, is for receiving a waterproof membrane overlaid and overlapping the tray for improvement of the waterproof barrier underlaying the shower pan constructed above the kit.

Abstract: A heat exchanger for a shower tray can be arranged in the bottom of the shower tray for the heat recovery from wastewater so as to heat fresh water. To this end, the heat exchanger has a planar cover plate as the drain surface over which the wastewater drains. The cover plate forms the bottom of the shower tray, over which a lid that can be removed without the use of tools is arranged as a tread plate. The heat exchanger preferably includes a distributor element, which is arranged for distributing the wastewater over the drain surface. The distributor element is preferably a retaining element, which retains the wastewater at an upper edge of the drain surface and forms an overflow along the upper edge.

Abstract: The invention relates to a one-piece shower pan with no openings for water leakage, other than the drain hole, and designed for easy installation of tiles of various thicknesses. The shower pan comprises a drain hole designed to fit a conventional drain pipe such that when the conventional drain pipe is fastened to the shower pan, the conventional drain pipe extends ½ to 2 inches above the bottom of the shower pan. In this way, when cement or other adhesive is floated on the interior surface of the shower pan, tiles of varying thickness can be installed in such a manner that the top surface of the tiles are substantially flush with the top portion of the conventional drain pipe. The shower pan also has a waterdam with a fin extending vertically on the outer edge of the waterdam as added protection against water migration outside the shower pan.

Abstract: A segmented drain system comprises a drain body, operable to mate with a drain fitting installed in a bath or shower area, and a bonding flange body, adjustable relative to the drain body. An integrated bonding flange extends from the bonding flange body, the integrated bonding flange being operable to be sealably attached to a bondable waterproof membrane to provide a substantially water-tight seal between the membrane and the bonding flange body. A seal is oriented between the integrated bonding flange body and the drain body, the seal being operable to provide a slidable, substantially water-tight interface between the integrated bonding flange body and the drain body.

Abstract: A prefabricated, polyurethane reaction injection molded, leak-proof shower module suitable for use in constructing a tiled shower includes a plurality of sidewalls, a floor bounded along at least one peripheral edge by at least one sidewall extending substantially vertically from the edge, and a drain wall defining a drain aperture and having an outer surface and an inner surface. In one embodiment, the floor slopes toward the drain wall at a pitch equal to or greater than ? inch per foot. A prefabricated drain assembly is integrated into the floor and encased inside the drain wall, or a drain fixture is inserted into the drain aperture after fabrication of the floor. In one embodiment, the maximum thickness of the drain wall, measured from the outer surface to the inner surface, is equal to or less than 1½ times the smallest inner diameter.