Tub apparatus
US4858254A · kind A · utility
20Cited by
3References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 19, 1988 |
| Grant date | Aug 22, 1989 |
| Priority date | — |
| Expiry date | Jan 19, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61H2201/0271
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Tub apparatus including: PA0 (a) a foamed plastic tub wall having an inner side and an outer side, the tub having an interior to receive liquid, PA0 (b) a tensile liner adjacent the wall side, the liner comprising interwoven strips of pre-stretched plastic material characterized in that the liner resists outward expansion in response to loading exerted by liquid filled into the tub interior.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.