Apparatus for locking a sprue bushing in a mold assembly
US4653995A · kind A · utility
10Cited by
7References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 9, 1985 |
| Grant date | Mar 31, 1987 |
| Priority date | — |
| Expiry date | Dec 9, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C2045/2719
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A locking ring for use in an injection molding machine and for securing a sprue bushing in place with respect to a mold plate assembly such that the sprue bushing is retained in place with respect to movement in the direction of the longitudinal axis of the sprue bushing bore, and from rotating in the bore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.