Extrusion machine barrel having a three-lobe bore, and liner therefor
US6270245A · kind A · utility
3Cited by
22References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 15, 1999 |
| Grant date | Aug 7, 2001 |
| Priority date | — |
| Expiry date | Jul 15, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23B35/00
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An extrusion machine having a barrel containing a bore formed of three lobes, designed to receive a liner whose outer face is also formed of three lobes and which has two secant bores which have parallel axes and are adapted to receive two screws.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.