Device for the production of molded articles from a pourable substance
US4544345A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Oct 14, 1982 |
| Grant date | Oct 1, 1985 |
| Priority date | — |
| Expiry date | Oct 14, 2002 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB28B13/021
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
In the production of molded articles from a pourable substance, such as a porcelain substance, a hollow mold space is formed between a pair of horizontally displaceable compression mold parts. In the closed molding position, the mold parts are is spaced relation and form an annular gap laterally enclosing the mold space. An annular member forms a closure for the gap. The pourable substance is introduced into a passage through the closure member and through the gap into the mold space. A vacuum system is provided in the closure member in communication with the mold space during the step of filling the pourable substance into the mold space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.