Apparatus and method for foam injection molding
US11279064B2 · kind B2 · utility
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4Claims
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Key dates
| Filing date | Apr 17, 2019 |
| Grant date | Mar 22, 2022 |
| Priority date | — |
| Expiry date | Nov 28, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2105/04
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Provided are an apparatus and a method for foam injection molding, in which a problem in quality caused by spreading of a minute releasing distance according to conditions of an injection machine is improved by minutely releasing a first moving mold from a fixed mold using a minute releasing member for foaming and minutely releasing a second moving mold from the first moving mold using a minute releasing member for spreading of the injection machine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.