Plastic injection mold
US8371843B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 27, 2010 |
| Grant date | Feb 12, 2013 |
| Priority date | — |
| Expiry date | Sep 22, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C45/44
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Disclosed is a plastic injection mold, including a stationary mold member and a movable mold member mating with the stationary mold member. An inclined guide pillar and a stop block having a block plan are fixedly disposed on the stationary mold member. A slide having a molding portion is slidably disposed on the movable mold member. A guide pillar hole and an ejector hole are defined in the slide, and a molding cavity is defined by the molding portion with the stationary and the movable mold member. An ejection mechanism disposed on the slide includes an ejector rod and a spring. In a mold release process, a product molded with the mold is initially held by an ejector rod to prevent the product from being deformed when pulled by the slide for ensuring the quality of the molding product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.