Salt cores for plastic (injection) molding
US8017056B2 · kind B2 · utility
0Cited by
4References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 9, 2007 |
| Grant date | Sep 13, 2011 |
| Priority date | — |
| Expiry date | Jul 9, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2023/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Water-soluble salt cores are used in molds for the production of hollow moldings by plastic molding.The production of hollow plastic moldings is effected by positioning a water-soluble salt core in a mold, molding a thermoplastic molding material around the salt core and, after solidification of the thermoplastic molding material, washing out the salt core with a water-containing solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.