Molding ejector plate structure and method of ejecting molded articles from mold cavity therewith
US6638467B1 · kind B1 · utility
16Cited by
17References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 12, 2002 |
| Grant date | Oct 28, 2003 |
| Priority date | — |
| Expiry date | Feb 12, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C2045/4094
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Improved lifter (32) for injection molding apparatus and method of use thereof are disclosed. To inhibit the unsightly blemishes that may be formed in plastic parts wherein the lifter (32) comprises a leading edge (44) that is perpendicularly oriented relative to the longitudinal axis of the molded part, a lifter plate is provided wherein the leading edge (44) thereof is obliquely angled relative to the longitudinal axis of the molded part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.