Anvil for an ultrasound sealing unit
US5976315A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 4, 1997 |
| Grant date | Nov 2, 1999 |
| Priority date | — |
| Expiry date | Dec 4, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C66/81422
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Anvil for an ultrasonic sealing unit for sealing at least two sections composed of a plastic coated support material; wherein the ultrasonic sealing unit comprises a sonotrode movable relative to the anvil. The anvil has an anvil body with a sealing surface at a front of the body. The sealing surface has raised and indented areas where the raised areas are configured as narrow ribs. One of the ribs is a lower retaining rib running along a free lower edge of the sealing surface. Another of the ribs is a central sealing rib, above and parallel to the lower retaining rib, which central sealing rib extends across the entire width of the sealing surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.