Use of rigid polyurethane foam to encapsulate plumbing in a therapy bath
US9596961B2 · kind B2 · utility
7Cited by
13References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 2, 2011 |
| Grant date | Mar 21, 2017 |
| Priority date | — |
| Expiry date | Mar 30, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49826
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A wall structure for a composite tub includes a surface side for facing an interior of the tub, a polyurethane layer backing and attaching to the surface side, plumbing backing the polyurethane layer, and an encapsulation layer encapsulating the plumbing and backing and attaching to the polyurethane layer so that damage to the plumbing is minimized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.