Thermoformer plug assist drive assembly
US7399175B2 · kind B2 · utility
3Cited by
3References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 13, 2006 |
| Grant date | Jul 15, 2008 |
| Priority date | — |
| Expiry date | Sep 29, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C51/04
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A plug assist drive assembly for driving plug assists in a thermoforming apparatus includes a single centrally located roller screw assembly enclosed in a housing and driving a third platen mounting the plug assist with a group of guide-drive bars connected to a drive platen which is driven by the roller screw nut. The roller screw assembly is removable by removing screws holding the nut to one hub adapter, the screws accessed through an opening in the housing normally covered with a plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.