Piston seal
US10675412B2 · kind B2 · utility
0Cited by
34References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 11, 2012 |
| Grant date | Jun 9, 2020 |
| Priority date | — |
| Expiry date | Feb 12, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/328
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A piston head for a syringe pump comprises a barrier portion (11) for driving fluid through a syringe pump barrel (30), wherein a peripheral section (13,14) of the barrier portion (11) is shaped to seal against the syringe pump barrel (30); and a re-silent member (15) arranged to resist deformation of the shaped peripheral section (13,14) of the barrier portion (11).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.