Patent · US Active

Plunger and plunger assembly for a cartridge, system for storing a substance, and method of filling and sealing a substance in a delivery system

US9844796B2 · kind B2 · utility

2Cited by

39References

13Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Arno Hohmann · Munich, DE
Marc Peuker · Schorndorf, DE
Sebastian Guggenmos · Peißenberg, DE
Michael James Knee · Petersfield, GB
Bruce R. Broyles · Oakdale, US

Key dates

Filing date	Oct 12, 2006
Grant date	Dec 19, 2017
Priority date	—
Expiry date	Apr 8, 2030

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB05C17/00553
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

The present invention is directed to a plunger, a plunger assembly, and a system for storing a substance or substances, preferably flowable substances, and a method of filling and sealing a substance in a storing system. In particular, the present invention provides for substantially air-free filling and storing of substances in a delivery system.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.