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Date: Thu, 16 May 1996 23:30:48 -0400
To: John 015 <CC015012@BR*.br*.ed*>
From: screwloose@ne*.co* (Dunk, John)
Subject: Re: [Q] Dual occupancy O-ring grooves ?
Cc: techdiver@terra.net

At 12
>Anyone knows what advantages the R rings adds to the seal ?
>
>Thanks,
>John
>--
>Send mail for the `techdiver' mailing list to `techdiver@terra.net'.
>Send subscription/archive requests to `techdiver-request@terra.net'.
My guess would be it helps hold the O-ring flush as the case is screwed
down,but that's just a guess,maybe someone else knows for sure.In
regulators,some piston types have a similar arrangement called a "wiper
ring",which helps keep an even layer of lubrication on the piston
cylinder,but since yours is essentially a static o-ring,not sure this would
apply.
   John L. Dunk                                     o  
   Tallahassee,Fl.                                    o
   screwloose@ne*.co*                    ______o_________

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