Method for reprocessing a device having internal passageways

Details Method for reprocessing a device having internal passageways Method for reprocessing a device having internal passageways

2005-03-01

2005-03-01

El-Arini, Zeinab (Department: 1746)

Cleaning and liquid contact with solids

Processes

Hollow work, internal surface treatment

C134S018000, C134S022110, C134S022180, C134S096100, C134S097100, C134S102200, C134S16600C, C134S16900A, C134S170000

Reexamination Certificate

active

06860276

ABSTRACT:
A method for the reprocessing of a device having internal passageways by applying a fluid at a plurality of pressures to the internal passageways of the device to permit reuse of the device in a clean environment includes applying a fluid having a single input pressure to a pressure differentiation device having first and second pressure control fittings for providing first and second differing pressure outputs in accordance with the single input pressure and transmitting the fluid at the first and second differing pressures from the pressure differentiation device to the internal passageways. The internal passageways are reprocessed with the transmitted fluid at the first and second differing pressures, whereby the internal passageways are reprocessed at differing pressures in accordance with the single input pressure.

REFERENCES:
patent: 5761069 (1998-06-01), Weber et al.
patent: 5882589 (1999-03-01), Mariotti
patent: 6047431 (2000-04-01), Canonica
Inline Ultrasonic Flowmeter, M-1500 Series, pp. 1-3.

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