Method and apparatus for heating eyeglass frames
US4054376A · kind A · utility
29Cited by
10References
2Claims
0Family size
Inventor
Key dates
| Filing date | Mar 8, 1976 |
| Grant date | Oct 18, 1977 |
| Priority date | — |
| Expiry date | Mar 8, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29D12/02
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for heating articles, such as eyeglass frames, includes a bed of heat retentive beads supported above a plenum chamber by a mesh or screen. Heated air is delivered to the plenum chamber at low velocity and high volume for flowing upwardly through the bed for heating the same. The air is directed through the phenum chamber by bodies which act as baffles as well as a heat sink.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.