Patent · US Active

Form station platen drive for a thermoforming machine and a method of leveling platens

US8075816B2 · kind B2 · utility

2Cited by

10References

4Claims

0Family size

Inventors

James Kundinger · Midland, US
Steve Keeley · Clare, US

Key dates

Filing date	Apr 16, 2010
Grant date	Dec 13, 2011
Priority date	—
Expiry date	Jul 17, 2030

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29C51/46
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A platen drive system and method of leveling platens in a forming station of a twin sheet thermoforming machine in which each platen is driven vertically by four independently operated drive units, each having an electric servo motor, the drive units arranged in two sub sets disposed on opposite sides of an associated platen. The platen is leveled during set up by individual operation of the servo motors.

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