[특허]Shower pan

[미국특허] Shower pan 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A47K-003/22
출원번호	US-0577734 (1984-02-09)
발명자 / 주소	Long, Jack C.
대리인 / 주소	Mattern, Jr., Roy E.
인용정보	피인용 횟수 : 51 인용 특허 : 1

초록 ▼

A shower pan which forms a base of a shower stall has a one piece drain surface and is capable of being built in various sloping configurations. The shower pan is constructed of a top drain panel supported by graduated shims and perimeter strips which are in turn mounted on a planar foundation. Perimeter strips and graduated shims are secured to the foundation, concentrically spaced apart surrounding a variably located drain opening. The top drain panel is cut to the same contour and size as the foundation and has a rear member, side members, and threshold members to provide lateral water barriers. Kerfed break lines in the top drain panel permit the panel to bend to form a basin like drain surface. The kerfed relief lines are in the form of at least two concentric, straight lined, polygonal cuts which are substantially identical in shape and have their corresponding vertices connected by radial relief lines. The top drain panel is positioned and pressed down onto the shims at perimeter strips forming a drain basin with sloping panel sections defined by the kerfed break lines. A waterproof material such as hot mop tar is applied to the interior surfaces of the shower pan. An adhesive is then applied to all exposed surfaces and a finish covering such as ceramic tile or cultured marble is applied to the shower pan.

대표청구항 ▼

1. A pre-fabricated shower panel, comprising: (a) a single piece multiple ply fibrous drain panel having a first substantially flat pre-installed orientation and a second contoured installed orientation; (b) said panel when in said installed orientation having an elevated section joined to a lower section by interconnected sloping sections contiguous with said elevated and lower sections; (c) said lower section of polygon shape with straight edges thereof provided by kerfed relief cuts adapted for facilitating displacement of said lower section from said pre-installed to said installed orientation and for providing straight edges for an overlayer; (d) said lower section having a drain opening therethrough; (e) said sloping sections include section to section boundaries provided by straight relief cuts extending radially outwardly from the vertices of intersection of the straight edges of the polygon shape defining said lower section and adapted for facilitating displacement of said lower section from said pre-installed to said installed orientation and for providing straight boundary edges for an overlayer; (f) a foundation adapted for supporting said lower section; and, (g) support members disposed between said foundation and at least said elevated section for supporting said panel. 2. A shower pan, as claimed in claim 1, wherein the upper, elevated section and the lower section are substantially horizontally planar with the sloping sections sloping downward from their outer perimeter to their inner perimeter to drain water toward the drain opening. 3. A shower pan, as claimed in claim 1 wherein the polygon at the inner edge of the upper, elevated section and the polygon at the outer edge of the lower section are identically shaped and their corresponding sides are parallel. 4. A shower pan, as claimed in claim 3, wherein the polygon at the inner edge of the upper elevated section and the polygon at the outer edge of the lower section are rectangles. 5. A shower pan, as claimed in claim 1, wherein the foundation is planar and the lower section is planar and has a lower surface which contacts and is supported by the foundation. 6. A shower pan, as claimed in claim 1 wherein the foundation is planar and the support members comprise perimeter strips which contact the edge of the sloping sections near the inside of their outer edges to support them. 7. A shower pan, as claimed in claim 6, wherein the perimeter strips fully support the outer section on a horizontal upper surface. 8. A shower pan, as claimed in claim 7, wherein the shower pan further includes a surrounding water retaining barrier secured to the top of the outer section of the drain panel. 9. A shower pan, as claimed in claim 8, wherein the shower pan further includes a shim of a height less than the support members supported by the foundation which supports the sloping sections intermediate to their outer and inner ends. 10. A shower pan, as claimed in claim 9, wherein there are a plurality of such shims in the form of concentric polygons and which are graduated in height to support the sloping sections. 11. A shower pan, as claimed in claim 1; wherein the drain pan is supported along the radial relief lines by a hardened form of a hardenable, viscous material. 12. A shower pan, as claimed in claim 8, wherein the intersection of the water retaining barrier and the drain panel form a sharp corner so that the shower pan may be covered with a ceramic tile or the like. 13. A shower pan as defined in claim 1 wherein the graduated shims are spaced apart equally beneath each sloping section wherein as the space between shims beneath a sloping section decreases, the pitch of the slope of that sloping section increases.

이 특허에 인용된 특허 (1) 인용/피인용 타임라인 분석

Weaver Albert E. (15001 Calvert Van Nuys CA 91411), Method of making a preformed bathing vessel.
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[미국특허] Shower pan 원문보기

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