Methods for producing a corrugating roller for machines to produce corrugated cardboard
US7480995B2 · kind B2 · utility
2Cited by
2References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2007 |
| Grant date | Jan 27, 2009 |
| Priority date | — |
| Expiry date | Jun 27, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49544
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The corrugating roller (7; 9) for machines to produce corrugated cardboard, comprises: a hollow cylindrical body (7B; 9B), with an outer (7D; 9D) surface provided with corrugations (7C; 9C); a circuit for a heat-carrying fluid; and a pair of necks (7E, 7F; 9E, 9F), through at least a first (7E; 9E) of which said heat-carrying fluid is supplied. The body (7B) and the necks (7E, 7F) are produced in a single block machined by removal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.