Bar stock silencer tube
US3930568A · kind A · utility
24Cited by
17References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 29, 1974 |
| Grant date | Jan 6, 1976 |
| Priority date | — |
| Expiry date | Aug 29, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T82/2595
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
There is provided an improved bar stock feed tube characterized by its ability to reduce noise level. The tube structure is composed of inner and outer tubes defining an annular space therebetween, the annular space being sealed at each end and being filled with a particulate material, particularly metallic shot, e.g. lead.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.