Thermoforming machine having platen locks and method
US9649808B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 14, 2012 |
| Grant date | May 16, 2017 |
| Priority date | — |
| Expiry date | Feb 17, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C2791/007
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A thermoforming machine is provided having a frame, a first platen, a second platen, a platen load shaft, and a load shaft latch. The first platen supports a first mold. The second platen supports a complementary second mold and is carried by the frame for movement toward and away from the first platen to engage and disengage with the first mold. The platen load shaft has a lock ledge with an engagement surface transverse to the load shaft. The load shaft is supported by the frame and extends between the first platen and the second platen. The load shaft latch has an engagement surface transverse to a central axis of the load shaft and is movable to engage and disengage the lock ledge transverse engagement surface. A method is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.