Polypropylene fiber baffle for waterbed mattress
US4672701A · kind A · utility
8Cited by
9References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 22, 1986 |
| Grant date | Jun 16, 1987 |
| Priority date | — |
| Expiry date | Sep 22, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/692
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
In a waterbed mattress a novel wave dampening batt of unwoven polypropylene fibers bonded together with an ethylene acrylic acid binder so as to provide the resultant batt with a specific gravity in the range of 0.9 to 0.999. Polyester fibers may advantageously be mixed with the polypropylene fibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.