Support for quick mold changing
US4929166A · kind A · utility
33Cited by
10References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 1988 |
| Grant date | May 29, 1990 |
| Priority date | — |
| Expiry date | Nov 21, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C2045/326
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to an injection molding machine having a novel key/slot arrangement for facilitating installation and removal of a central mold portion. The novel key/slot arrangement includes non-uniform width key elements on frame members which support the central mold portion and non-uniform width slots in side portions of the central mold portion for engaging the key elements. The machine further includes a novel rack/gear drive arrangement for insuring a proper positioning of the mold elements at all times.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.