Thermo-acoustic insulation system for sanitary device
US6243889A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 3, 2000 |
| Grant date | Jun 12, 2001 |
| Priority date | — |
| Expiry date | Apr 3, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61H33/6068
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The whirlpool tub includes a rigid tub shell inserted into the opening of a surrounding podium. The tub is to be filled with hot water. A first insulation membrane is installed spacedly around the tub inside the podium, defining a first closed air pocket between the tub and this first insulation membrane. A second insulation membrane is installed spacedly around the first insulation membrane, also inside the podium, defining a second closed air pocket between the first and the second membranes. The first membrane is punctured and hangs loosely from the podium structure, thus allowing limited air circulation between the first and second air pockets. Consequently, positive condensation control is accomplished, preventing same from occurring, in addition to providing thermal and acoustic insulation to the tub. The first membrane comprises an inner reflective metallic foil fixedly mounted on a synthetic felt backing. The second membrane is a mineral wool blanket.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.