Filling process for dual fluid cartridge assemblies

Details Filling process for dual fluid cartridge assemblies Filling process for dual fluid cartridge assemblies

2005-02-01

2005-02-01

Maust, Timothy L. (Department: 3751)

Fluent material handling, with receiver or receiver coacting mea

Processes

Filling dispensers

C141S018000, C141S027000, C141S059000, C141S100000, C141S325000

Reexamination Certificate

active

06848480

ABSTRACT:
A method for filling a dual fluid cartridge assembly which automatically bleeds air from the cartridge to filling and without extra steps or a vacuum as in known filling methods. In particular, the process relates to providing a dual fluid cartridge assembly which includes vents that bleed air from the cartridges initially and automatically closes the vents as the piston seal moves away from the vent. By utilizing such a self-bleeding cartridge assembly, the cartridge can be filled by a fluid dispenser without the need for shims, a vacuum or bleed plugs.

REFERENCES:
patent: 4220261 (1980-09-01), White
patent: 4961520 (1990-10-01), White
patent: 5184758 (1993-02-01), Keller
patent: 5310091 (1994-05-01), Dunning et al.
patent: 6422427 (2002-07-01), Brown et al.

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