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Re: [vacpot] Leaky Seal

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  • Peter Mumford
    Philip, I was referring to making the mold. Though it can be used for either though I m not familiar with a silicone/silicone process. I think it could work if
    Message 1 of 18 , Mar 26, 2010
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      Philip,

      I was referring to making the mold. Though it can be used for either though I'm not familiar with a silicone/silicone process. I think it could work if supported in an armature to maintain rigidity of the mold itself. I used silicone to make a mold for casting a rigid material.


      Peter


      --- On Fri, 3/26/10, Philip <pbpetty@...> wrote:

      From: Philip <pbpetty@...>
      Subject: Re: [vacpot] Leaky Seal
      To: vacuumcoffeepotcollector@yahoogroups.com
      Date: Friday, March 26, 2010, 11:54 AM







       









      Peter,



      Forgive my ignorance, but are you referring to the silicone used to make the mold or the silicon used to make a gasket or both?



      Philip



      --- In vacuumcoffeepotcoll ector@yahoogroup s.com, Peter Mumford <punatech@.. .> wrote:

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      > Hey Rod,

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      > Definitely on the right track!! One thing I'd like to point out. If you go forward with this experiment. Try putting the silicone in a vacuum before molding. It gets all the air bubbles out before you pour it into the mold. Makes it hard and bubbleless.

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      > Great work on the research!!

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      > Peter

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      > --- On Fri, 3/26/10, Rod <roddey99@.. .> wrote:

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      > From: Rod <roddey99@.. .>

      > Subject: Re: [vacpot] Leaky Seal

      > To: vacuumcoffeepotcoll ector@yahoogroup s.com

      > Date: Friday, March 26, 2010, 10:39 AM

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      > I went back to the manufacturers website and see they have starter kits. That may be the way to go. If they work, and I end up having molds that I wont use for years or ever again, maybe someone in the group(moderator? ) would hold them for loan. I will just give them away because they wont last long enough for me to need them again. Rodney

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      > ----- Original Message -----

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      > From: Philip

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      > To: vacuumcoffeepotcoll ector@yahoogroup s.com

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      > Sent: Friday, March 26, 2010 12:53 PM

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      > Subject: Re: [vacpot] Leaky Seal

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      > Wow, Peter and Rodney are on the hunt!

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      > I am not familiar with these molds. Wish I was. Casco Bay Molding uses Healthcare Grade Silicone Rubber which is dishwasher safe for their Silex narrow neck gasket. I got one from Larry and it has been fantastic. It may be that this material requires vacuum/injection molding in order to work. It might be worth checking into Rodney when you are talking to your sources.

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      > You may be getting close to the type of solution so many have wanted for so long. I would be happy to consider joining in with you and others to help make some gaskets. Any idea what the mold would cost for a particular gasket? Any idea what the cost per gasket we make might be?

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      > Thanks for your research and for sharing!

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      > Philip

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      > --- In vacuumcoffeepotcoll ector@yahoogroup s.com, "Rod" <roddey99@ .> wrote:

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      > > I need to clarify what I meant by the mold making material. What I am proposing is if it is possibel to do these molds and seals, I would sell the material I have left and subtract from the price the material I used. Then the next person would take what they need, and sell what they have left and pass it not to the next person in need of seals untill gone. I would also send the molds I have, but there is only so many times a mold can be used before a new one has to be made. I will make the initial purchase and if it fails, take the loss. I am retired and look at this as a hobby. Rodney

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      > > ----- Original Message -----

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      > > From: Peter Mumford

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      > > To: vacuumcoffeepotcoll ector@yahoogroup s.com

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      > > Sent: Friday, March 26, 2010 8:58 AM

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      > > Subject: Re: [vacpot] Leaky Seal

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      > > Philip, as usual, you really get to the point!!

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      > > Really appreciate you for the efforts you put forth for the community. Great follow up!!

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      > > Another oh well........ ......... ..

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      > > As you say there may be something we can use. Just have to find it!! Right??

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      > > Peter

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      > > --- On Fri, 3/26/10, Philip <pbpetty@ > wrote:

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      > > From: Philip <pbpetty@ >

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      > > Subject: Re: [vacpot] Leaky Seal

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      > > To: vacuumcoffeepotcoll ector@yahoogroup s.com

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      > > Date: Friday, March 26, 2010, 5:21 AM

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      > > Thank you for your efforts Peter.

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      > > I called Carolina Green and talked to the owner who used to be a regional manager for Rawn America (OEM) about this product. It is not safe for use in contact with foods and can be toxic if ingested. The purpose of these products is primarily to provide military users with a product that is biodegradable and non-hazardous in contact with skin or if inhaled. The OEM site has this:

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      > > "Description: Rawn America Re-Grip MIL is a soy based product designed for cleaning and protecting rubber or synthetic rubber. Coating rubber with Re-Grip MIL will prolong the life of any rubber surface by preventing drying and sun damage.

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      > > Application: Use a cloth saturated with Re-Grip MIL to rub surface until clean. Wipe off excess. Re-Grip MIL is effective in cleaning and protecting rubber on tires or rubber tracked vehicles, boots, CVC boots, etc."

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      > > I checked with my oldest son (former Marine Sgt in the Wing) who spent 2 years in Iraq and he told me there are a lot of these products to help prep the birds for transport on Navy ships to and from the US. There are very strict rules on the use of toxic preservatives.

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      > > Keep looking...one of these days we may find the product we are all hoping for. ;-)

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      > > Philip

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      > > --- In vacuumcoffeepotcoll ector@yahoogroup s.com, Peter Mumford <punatech@ .> wrote:

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      > > > Hey Rod,

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      > > > Just ran into this product. Haven't tried it but it does sound promising. At least it's soy-based and not a petroleum product. I'm guessing that may safer.

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      > > > http://carolinagree n.com/ecomm/ proddetail. asp?prod= 10006

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      > > > Peter

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      > > > --- On Wed, 3/24/10, Rod <roddey99@ .> wrote:

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      > > > From: Rod <roddey99@ .>

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      > > > Subject: Re: [vacpot] Leaky Seal

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      > > > To: vacuumcoffeepotcoll ector@yahoogroup s.com

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      > > > Date: Wednesday, March 24, 2010, 5:37 AM

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      > > > ----- Original Message -----

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      > > > From: Rod

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      > > > To: Rod

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      > > > Sent: Wednesday, March 24, 2010 8:25 AM

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      > > > Subject: Re: [vacpot] Leaky Seal

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      > > > I have a question, has anyone attempted to make a silicon mold of the seals? I looked into it but couldnt find a correct type of rubber to use in the mold. Rodney

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      > > > ----- Original Message -----

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      > > > From: Rod

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      > > > To: vacuumcoffeepotcoll ector@yahoogroup s.com

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      > > > Sent: Wednesday, March 24, 2010 8:22 AM

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      > > > Subject: Re: [vacpot] Leaky Seal

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      > > > Thank you, after your email I took the seal off the new 8 cup Cory and put it on the used 12 cup dxl. It made a big difference. The water went down FAST and made a big "wosh" vacuum sound when the top bowel emptied. Before I was just getting a little bubling in the bottom pot at the end of the drain from up top. What a difference.

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      > > > Only now I have a new 8 cup pot with an older seal. So I guess I paid 25.00 for a seal, but now have a nice new 8 cup to dispaly and a great working DXL. Rodney

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      > > > ----- Original Message -----

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      > > > From: Larry Hollenberg

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      > > > To: vacuumcoffeepotcoll ector@yahoogroup s.com

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      > > > Sent: Wednesday, March 24, 2010 6:16 AM

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      > > > Subject: Re: [vacpot] Leaky Seal

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      > > > Rod,

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      > > > Welcome to the group. You are experiencing a fairly common problem and one that is discussed here from time to time. I had some luck using a "wide postal type rubber band" that I place on the glass top under the seal, then replace the seal. Some pots it works on and some it doesn't due to the shape. Some people including me have used plumbing teflon tape and wrapping it around that same area if a rubber band won't stay in place. It takes quite a few loops around the pot since the tape is so thin. It also is easy to get all out of shape under the seal if you don't watch carefully how the rubber goes over it. As far as glueing it with silicone, again I think some have done that but I personally tried to avoid anything more or less permanent under the seal since you may want to clean under it from time to time. The only real cure is to find a better working seal. Corys are perhaps one of the worst of the stove top pots when it comes to faulty

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      > > > seals due to age. Mine has a ribbed seal which is tricky to seal, but twisting it while pushing gently downward when its on the pot sometimes causes it to seal better. But that loose effect between the seal and the upper pot is not likely to correct with that method.

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      > > > Larry

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      > > > --- On Tue, 3/23/10, roddey99 <roddey99@sbcglobal . net> wrote:

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      > > > From: roddey99 <roddey99@sbcglobal . net>

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      > > > Subject: [vacpot] Leaky Seal

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      > > > To: vacuumcoffeepotcoll ector@yahoogroup s.com

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      > > > Date: Tuesday, March 23, 2010, 11:04 PM

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      > > > My gasket on a Cory DXL seems flexible enough, but I am having a problem with it leaking air between the upper pot and the seal after I brew the first pot because the seal heats up and gets loose. When I remove the upper pot the seal wants to stay in the bottom carafe. Is there a product that I can use to help the gasket stick to the upper pot and seal better around the glass filter inset? Thanks for any suggestion. I am thinking some kind of silicon. Anyone run into this?

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      > > > Other than that it works fine. I did have to change to a Yama 2 piece filter but took out the paper filter and put in a espresso dispersion screen. It will work until I can get a better burr grinder. Rodney

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