Method for treating foam board to permit it to be accordion folded
US6592705B1 · kind B1 · utility
0Cited by
9References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 28, 2000 |
| Grant date | Jul 15, 2003 |
| Priority date | — |
| Expiry date | Jan 31, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1082
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method of and apparatus for treating foam board to permit it to be accordion folded involves moving an elongate foam board along a longitudinal pathway into a slitting machine, stopping the travel of the board and clamping it in stationary position, and then laterally simultaneously moving pairs of longitudinally spaced upper and lower slitters, which produce alternate slits less than through the thickness of the board to leave a foldable thickness, across the board. The board is then released to be accordion folded.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.