[특허]Bathtub/shower tray support

Bathtub/shower tray support 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A47K-003/16 A47K-003/40
출원번호	US-0862018 (2013-04-12)
등록번호	US-9271610 (2016-03-01)
발명자 / 주소	Roberts, Jr., Richard W.
출원인 / 주소	Roberts, Jr., Richard W.
대리인 / 주소	Brooks Kushman P.C.
인용정보	피인용 횟수 : 0 인용 특허 : 54

초록 ▼

A floor support structure for a bathtub or a shower tray floor, taking the form of a separate element to be used in conjunction with a traditional bathtub or shower tray floor, or as a unitary shower tray floor formed with the support structure integrated therein. The supports include a hollow plastic shell having a lower surface for lying on a planar subfloor, an upper surface contoured to the desired shape and a peripheral sidewall extending there between. Preferably, a drain hole is formed in the plastic shell which also interconnects the upper and lower surfaces thereby defining a hollow interior cavity. The cavity is filled with expandable thermoplastic foam beads which are expanded in place with steam in order to substantially fill the interior cavity thermally bonding the beads together and to the shell interior wall. The expanded foam bead is capable of being compressed without substantial permanent set.

대표청구항 ▼

1. A bathtub/shower tray floor support, comprising: a hollow plastic shell having a lower surface for lying on a planar floor, an upper surface contoured to generally conform and cooperate with an underside surface of a bathtub or shower tray, and a peripheral side wall, collectively defining an interior cavity; andan expanded thermoplastic foam bead core substantially filling the interior cavity of the shell and heated in situ causing the bead core to bond together and thermally weld to an interior surface of the interior cavity , wherein the bead core has elastic properties which enable the bead core to be compressed 75% and recover without significant permanent set. 2. The support of claim 1 wherein the shell and bead core are compatible polymers enabling the support to be reground and recycled without separating the bead core and shell materials. 3. The support of claim 1 wherein the shell and bead core are both polypropylene. 4. The support of claim 3 wherein the bead core has a density of 1.8 to 3.0 pounds per cubic foot. 5. The support of claim 1 wherein the shell and bead core are both polyethylene. 6. The support of claim 5 wherein the bead core has a density of 1.8 to 3.0 pounds per cubic foot. 7. The support of claim 1 wherein the support is sized to fit the underside of a bathtub with the shell upper surface being generally dish-shaped to support the bathtub floor and adjacent contoured surfaces. 8. The support of claim 1 wherein the support is sized to fit the underside of a bathtub or shower tray with the shell forming an annular member with a central drain passageway extending there through to align with a bathtub or shower tray drain with the upper surface of the shell generally inwardly sloping toward the drain. 9. The support of claim 8 wherein the drain passageway formed in the shell interconnects the shell upper surface and lower surface to isolate the foam core bead core from the drain passageway to limit moisture absorption of the bead core.

이 특허에 인용된 특허 (54)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
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Bathtub/shower tray support 원문보기

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Bathtub/shower tray support 원문보기

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