Dummy block for extrusion press
US10549328B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 3, 2016 |
| Grant date | Feb 4, 2020 |
| Priority date | — |
| Expiry date | Apr 7, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B21/08
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A dummy block for a metal extrusion press comprises: a generally cylindrical base having a forward surface and an outwardly extending circumferential flange; an expandable collar coupled to the base, the collar having an inwardly extending circumferential rib abutting the circumferential flange; a collar support coupled to the base and abutting the collar; and a moveable plunger coupled to the base and accommodated by the collar. The plunger has a rear surface configured to abut the forward surface of the base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.