Chemistry: molecular biology and microbiology – Apparatus – Including measuring or testing
Reexamination Certificate
2005-08-09
2005-08-09
Redding, David (Department: 1744)
Chemistry: molecular biology and microbiology
Apparatus
Including measuring or testing
C435S288700, C435S808000, C422S051000, C422S082050, C277S317000, C277S602000, C277S910000
Reexamination Certificate
active
06927058
ABSTRACT:
A gasket for use with sanitary piping systems contains a receptacle for retaining an encapsulated bacterial test indicator. The receptacle has a length that permits the indicator end of the test indicator to be directly exposed to the sterilizing steam that is introduced into the piping system. The gasket is preferably installed at the sanitary flange of a short “bull” T-section of the stainless steel sanitary piping and secured thereto by a stainless steel cap. The stainless steel cap is recessed to accommodate as much of the test indicator length as may be required to position the indicator end of the test indicator in the central lumen of smaller pipe diameters.
REFERENCES:
patent: 5872004 (1999-02-01), Bolsen
Popper Howard R.
Redding David
Rubber-Fab, Inc
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