Process and apparatus for trimming polymeric parts
US7811492B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2004 |
| Grant date | Oct 12, 2010 |
| Priority date | — |
| Expiry date | Jan 19, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/647
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A process for forming and trimming a part comprises providing a continuous web of polymeric material, thermoforming the continuous web of polymeric material into the desired part, providing a cutter arrangement comprising a blade, providing a platen assembly comprising a closed groove that generally corresponds to the outer shape of the blade and a vacuum system, wherein at least one of the cutter arrangement and the platen assembly is moveable with respect to the at least one other assembly, trimming the part of the continuous web of polymeric material from the remainder of the continuous web of polymeric material via the blade, and removing undesirable trim material formed during the trimming of the part via the vacuum system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.