Method for trimming the neck of blow molded plastic bottles
US5791217A · kind A · utility
6Cited by
86References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1997 |
| Grant date | Aug 11, 1998 |
| Priority date | — |
| Expiry date | Mar 31, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/9416
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method for trimming an inner ring from the neck flange of a blow-molded plastic bottle by extending a reverse punch into the bottle through the flange opening, elastically bending the flange into the interior of the bottle as the punch passes and withdrawing the reverse punch from the bottle and trimming a ring from the flange.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.