Safety connector for hot runner, having latch destructively interlocking valve stem with actuation plate
US8282870B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 17, 2009 |
| Grant date | Oct 9, 2012 |
| Priority date | — |
| Expiry date | Jul 20, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C45/84
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Disclosed is a safety connector (100; 200; 300) for a hot runner (600) having a valve stem (104) and an actuation assembly (102), the safety connector (100) including: a shear member (106) releasably interlocking the valve stem (104) with the actuation assembly (102), once the shear member (106) has interlocked the valve stem (104) with the actuation assembly (102), the valve stem (104) becomes movable in response to movement of the actuation assembly (102), and the shear member (106) being configured to shear destructively, and responsive to a predetermined undesired force acting on the shear member (106), the shear member (106) shears and the valve stem (104) becomes released from the actuation assembly (102).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.