Device and method for packaging in block form a sheathed hot-melt adhesive product
US7137235B2 · kind B2 · utility
1Cited by
33References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 12, 2004 |
| Grant date | Nov 21, 2006 |
| Priority date | — |
| Expiry date | Jan 12, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C66/81422
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for packaging in block form a sheathed hot-melt adhesive product comprises the steps: (a) of continuously supplying a sheathed hot-melt adhesive product, (b) of immersing the sheathed hot-melt adhesive product in a liquid refrigerant, (c) of pressing the sheathed adhesive product at a portion thereof, (d) of ultrasonically welding the sheathed adhesive product at the pressed portion; and (e) of cutting the sheathed adhesive product into a block at the pressed portion. A block of sheathed hot-melt adhesive product and an installation for packaging a sheathed hot-melt adhesive product are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.