Patent · US Expired

Injection molding machine having a precision clamping unit

US5110283A · kind A · utility

29Cited by

8References

12Claims

0Family size

Assignee

Mannesmann AG · DE

Inventors

Hans Bluml · Burgthann, DE
Peter Klein · Burns Lake, CA
Ernst Wurl · Laufenburg (Baden), DE

Key dates

Filing date	Nov 27, 1989
Grant date	May 5, 1992
Priority date	—
Expiry date	Nov 27, 2009

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29C2045/664
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A device for precisely aligning, mating and clamping two injection mold plates, in which device, a first mold plate is rigidly attached to a support table and a second mold plate is slidably guided on parallel guide bars into contact with the first mold plate by at least two symmetrically placed, parallel ball spindles which are driven synchronously by a hydraulic motor.

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