Dummy block for extrusion press
US12090537B2 · kind B2 · utility
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2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2022 |
| Grant date | Sep 17, 2024 |
| Priority date | — |
| Expiry date | Dec 16, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21C23/212
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A dummy block for a metal extrusion press includes: 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 plunger disc seated against the forward surface of the base and accommodated by the collar, and a plunger shaft extending through the plunger disc and coupled to the base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.