Blow mold apparatus for minimal gate
US5980234A · kind A · utility
14Cited by
8References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 29, 1998 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Apr 29, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2105/253
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An improved mold apparatus (10) includes a cutout (30) between the nozzle cap sealing surface (32) and the injection mold cavity (14) configured for receiving the tip (38) of an insert (20). The cutout (30) shortens the material passage (24) leading to the mold space (22) between the mold cavity (14) and core (12) so that the resulting molded product presents a short gate. The cutout (30) is also configured so that material space surrounds the tip (38) for receiving mold material in order to surround and thermally insulate the tip (38) from the injection mold cavity (14).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.