Syringe barrel and mold for injection molding
US10130771B2 · kind B2 · utility
0Cited by
7References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 4, 2016 |
| Grant date | Nov 20, 2018 |
| Priority date | — |
| Expiry date | Aug 19, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/7544
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A syringe barrel includes a hollow barrel portion that has a proximal-end opening at a proximal end of the barrel portion and is configured such that a gasket is insertable from the proximal-end opening into the barrel portion. An inner peripheral portion of the barrel portion includes a tapered portion in a main area of the inner peripheral portion in an axial direction, the tapered portion having an inner diameter that gradually increases toward a distal end of the tapered portion from a proximal end of the tapered portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.