Multicompartment cushion comprising recyclable plastic bottles
US5020175A · kind A · utility
24Cited by
21References
20Claims
0Family size
Inventors
Key dates
| Filing date | Feb 27, 1990 |
| Grant date | Jun 4, 1991 |
| Priority date | — |
| Expiry date | Feb 27, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S5/948
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present invention provides cushions comprising sheets connected together to define at least one compartment, which is filled with a plurality of gas-filled containers such as used or discarded plastic beverage bottles. The present invention also provides bag-like, multi-compartmented containers or advertising means for producing the cushions. The cushions can be adapted for use as a sunning mat, raft, surfing device, sleeping bag base, pool cover, pool lane marker, road crash barrier, storage and moving mat, temporary shelter or tent, and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.