Oblique web multiple surface panels fabricated of aromatic polycarbonates
US5294472A · kind A · utility
28Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 2, 1992 |
| Grant date | Mar 15, 1994 |
| Priority date | — |
| Expiry date | Sep 2, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/27
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Oblique web multiple surface panel boards are disclosed made of aromatic polycarbonates (PC), consisting of at least two boards arranged parallel to one another at a given distance apart and joined together by webs arranged between them, one portion of the webs connecting the upper and lower board in zigzag formation, viewed in cross-section, while the other portion of the webs is attached to the upper or lower board at the junctions of the oblique webs and extends perpendicularly towards the opposite board.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.