Two-layer drum cover made of a metal alloy in the warp directions and a plurality of metal alloys in the shute directions on both front and back surfaces
US7318796B2 · kind B2 · utility
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6References
9Claims
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Assignee
Inventors
Key dates
| Filing date | May 19, 2004 |
| Grant date | Jan 15, 2008 |
| Priority date | — |
| Expiry date | Oct 8, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/3228
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A two-layer drum cover and a method of producing the same are provided. The two-layer drum cover includes a backing wire constructed of a relatively high grade metal alloy in the warp direction and alternating relatively low grade metal alloys in the shute direction. The two-layer drum cover also includes a face wire constructed of a relatively high grade metal alloy in the warp direction and alternating relatively low grade metal alloys in the shute direction. All the metal alloys used in the face wire have a higher grade than the metal alloys used in the backing wire.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.