Back-side die and die set for molded door facings
US5614231A · kind A · utility
19Cited by
4References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 1, 1995 |
| Grant date | Mar 25, 1997 |
| Priority date | — |
| Expiry date | Feb 1, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2311/14
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A die set for molding a building product with a convex corner formed at the intersection of two surfaces slanting downward from a convex corner includes a back-side die with a push that includes a triangular surface extending to an apex above and inwardly of the intersection of the lines forming the edges of the corner. The push also includes two other quadrilateral surfaces that extend outwardly of the intersection of the lines that form the lower edges of the slanting surfaces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.