Method for determining reusability of refrigerant using...

Details Method for determining reusability of refrigerant using... Method for determining reusability of refrigerant using...

2006-07-18

2006-07-18

Williams, Hezron (Department: 2856)

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Content or effect of a constituent of a liquid mixture

Reexamination Certificate

active

07076995

ABSTRACT:
The present invention provides a simple determination method with regard to the reusability of refrigerant using equipment or refrigerant lines toward the goal of reusing refrigerant using equipment or refrigerant lines. The method of determining the reusability of refrigerant using equipment or refrigerant lines includes a first step and a second step. In the first step, residual material remaining inside refrigerant using equipment or refrigerant lines is applied to a check sheet. In the second step, a determination with regard to the reusability of the refrigerant using equipment or the refrigerant lines is performed based upon the color of the check sheet on which the residual material was applied.

REFERENCES:
patent: 4248597 (1981-02-01), McNeely
patent: 4923806 (1990-05-01), Klodowski
patent: 5831144 (1998-11-01), Pastorello
patent: 5846833 (1998-12-01), Clough et al.
patent: 2003/0010044 (2003-01-01), Taira
patent: H2-146588 (1990-12-01), None
patent: 11-325621 (1999-11-01), None
patent: 2001-133566 (2001-05-01), None
patent: 2001-227846 (2001-08-01), None

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