Apparatus for producing a fluid-assisted injection molded product
US5127814A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 26, 1990 |
| Grant date | Jul 7, 1992 |
| Priority date | — |
| Expiry date | Nov 26, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C2045/1729
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An apparatus for use in gas-assisted injection molding of plastic material so as to form an injection molded product includes a pair of mold members defining, when closed, a sealed cavity. A first opening is provided in one of the mold members for allowing the injection of a plastic material into the mold cavity and a second opening is provided in one of the mold members, and spaced from the first opening. A sleeve extends through the second opening. A probe extends through the sleeve and is adapted to be reciprocated therein from a retracted position to an extended position. The probe includes a first end adapted to selectively extend into the cavity, a second end and a longitudinally extending bore which terminates adjacent the second end. A reciprocating device is provided for reciprocating the probe in the sleeve held in the second opening of the one mold member in relation to the cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.