Forming tool apparatus with pivoting wall segment
US7306451B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 18, 2005 |
| Grant date | Dec 11, 2007 |
| Priority date | — |
| Expiry date | Mar 3, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S425/058
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An improved forming tool apparatus for forming an article having a negative draft angle that locks the formed article within the forming tool. First and second forming tools are closed relative one another to define a forming tool cavity in which the article is formed and opened for removal of the formed article from the forming tool cavity. The first forming tool has a removable cavity wall segment having an undercut cavity wall that provides a desired shape to the formed article but locks the formed article against removal from the forming tool cavity. A pivot linkage normally establishes the removable wall segment in a forming position in which the undercut wall is poised for forming of the article and selectively pivots the removable wall segment out of the forming position when the forming tools are opened so that the undercut wall is pivotally lifted and releases the formed article for removal from the cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.