Liquefying hot melt adhesive
US4505669A · kind A · utility
29Cited by
5References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 14, 1983 |
| Grant date | Mar 19, 1985 |
| Priority date | — |
| Expiry date | Feb 14, 2003 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2105/0097
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
For liquefying hot melt adhesive, a hopper is provided at its lower region with one or more discrete upwards projections (for example a single, fluted cone), with means for heating the projection(s). In use, a unitary mass of hot melt adhesive is lowered into the hopper to become supported on the projection(s), as a result of which the unitary mass is progressively melted and the melted adhesive flows from the bottom of the hopper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.