Patent · US Expired

Thermoforming apparatus with improved press

US6200122A · kind A · utility

26Cited by
5References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 3, 1999
Grant dateMar 13, 2001
Priority date
Expiry dateAug 3, 2019

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29C51/18
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A thermoformer apparatus having a press driving upper and lower platens by respective pairs of servo motors, each pair driving four toggle linkages to stabilize the platen against the forming pressures. Linear bearings are provided on four corner posts for precision guiding of the platen motion.

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