Patent · US Expired

Locking unit of a three-plate injection-molding machine

US6939124B2 · kind B2 · utility

2Cited by

6References

7Claims

0Family size

Assignee

Ferromatik Milacron Maschinenbau GmbH · DE

Inventors

Michael Koch · Radebeul, DE
Kai Grundmann · Denzlingen, DE

Key dates

Filing date	Feb 17, 2004
Grant date	Sep 6, 2005
Priority date	—
Expiry date	Feb 17, 2024

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29C2045/1797
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

The closing unit of a three-plate injection-molding machine comprises a die plate (1), a movable mold-clamping plate (2) and an end plate (3). Therein the die plate (1) and the end plate (3) are connected to one another via tie bars (4) on which the movable mold-clamping plate (2) is displaceably guided, and a toggle-lever arrangement (5), on which a drive unit (6) acts is provided between the end plate (3) and the movable mold-clamping plate (2). An encasing element (13) of variable length extends between the end plate (3) and the movable mold-clamping plate (2).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.