Device for producing molds
US5682941A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 8, 1995 |
| Grant date | Nov 4, 1997 |
| Priority date | — |
| Expiry date | Dec 8, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22C15/00
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The includes a plurality of squeeze rods (12) and a squeeze plate (14) are used to press molding sand in a flask (16), and wherein the pressure applied to the individual squeeze rods and their individual downward movements are controlled. The device includes a squeeze table (2) on which a pattern plate (1) is mounted, a vertically movable frame (3) disposed above the squeeze table (2) such that the frame can move vertically relative to the squeeze table (2), a squeeze plate (14) mounted on a lower part of the vertically movable frame, a plurality of squeeze rods juxtaposed and penetrating the squeeze plate for vertical sliding movements, a plurality of electric servo-actuators attached to the frame to vertically move the squeeze rods, and a controller for controlling the plurality of the electric servo-actuators.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.