Molding apparatus
US9895835B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 20, 2014 |
| Grant date | Feb 20, 2018 |
| Priority date | — |
| Expiry date | Mar 20, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
In order to achieve lower costs in a molding apparatus using a mold by reducing mold cleaning steps following releasing of the product from the mold and shortening the molding cycle, the apparatus is equipped with a plurality of fixed molds and movable molds which are heated to the temperature necessary to harden a molding material and come together by means of clamping to form a cavity, and a non-heated cold runner which supplies the molding material from an injection device to the interior of the cavity via a gate opened in the movable mold, the fixed molds and movable molds being movable between an injection stage where the injection device and cold runner (32) are present and an opening stage near the injection stage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.