Destructible core structure and method for using same
US4424183A · kind A · utility
21Cited by
7References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 6, 1982 |
| Grant date | Jan 3, 1984 |
| Priority date | — |
| Expiry date | Jul 6, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S264/44
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A destructible core is formed from a frangible plastic shell filled with inert ballast. The core is used for forming complex cavities in the production of cast resin parts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.