Multi-layer injection molding apparatus having runners for diverting resin flow
US4752199A · kind A · utility
25Cited by
5References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 3, 1986 |
| Grant date | Jun 21, 1988 |
| Priority date | — |
| Expiry date | Jul 3, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2101/12
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
In an injection resin machine, runners are provided perpendicular to the runners of the fixed plate in order to force the resin flow toward the sprues into a same direction and to achieve uniform resin pressure in the proceeding direction, thus realizing uniform injection into the runners.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.