Apparatus for trimming the neck of blow molded plastic bottles and method
US5749275A · kind A · utility
7Cited by
85References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 14, 1995 |
| Grant date | May 12, 1998 |
| Priority date | — |
| Expiry date | Sep 14, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/9416
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An apparatus and method for trimming an inner ring from the neck flange of a blow-molded plastic bottle by extending a reverse punch having a lead end and a trailing end larger than the lead end 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.