Electrically heated light-weight concrete mold
US4659056A · kind A · utility
15Cited by
14References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 17, 1984 |
| Grant date | Apr 21, 1987 |
| Priority date | — |
| Expiry date | Sep 17, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1089
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A mold having a concrete base and a mold cavity member lined with sheet metal. Adjacent the sheet metal are electric heating means and between the electric heating means and the concrete base is a light-weight concrete insulating layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.