Drain Plug solved!!

[james accordino]

At the chem. plant we took "raw" plastic pellets and
melted them down.  Some formulations took as many as
20 different chemicals (not including color), some in
minute quantities, mixed and remade into pellets to be
sent to the end user.  We actually made no "product".
Engineering came up with the "recipe" based on the end
users requirements.  Obviously an intake manifold and
a carpet require signifigantly different "blends".
Test batches are used to confirm the properties.  I
really think it would be easier and cheaper to get
them cast in brass or bronze.

Jim Accordino

--- Kneale Brownson <knotnook at traverse.com> wrote:
> I wondered about that.
>
> So you'd need a plastic that was tough, that was
> inert regarding heat mixed
> with petrochemicals and didn't mind the kinds of
> contaminations you'd find
> in roadway environments like salts.  They must have
> figured out what that
> kind of plastic would be to create the $35 plastic
> plug, eh?
>
> Regards, Kneale
>
> At 07:19 PM 11/13/2002 -0800, you wrote:
> >I was looking at the actual properties of the
> plastic
> >itself, rather than it's physical size.  That is
> not a
> >problem.  Having a compound that doesn't get too
> >brittle or turn to goop over time however is
> another
> >matter completely.
> >
> >Jim Accordino
> >
> >--- Kneale Brownson <knotnook at traverse.com> wrote:
> > > At 05:43 PM 11/13/2002 -0800, james accordino
> wrote:
> > > >O.K., I agree.  BUT, now the plastic stock
> needs to
> > > be
> > > >probably at least 3/4 to an inch thick.  Right?
>  I
> > > >mean if you're going to get enough threads to
> seal
> > > and
> > > >enough "meat" for a wrench to grip.  You can't
> have
> > > an
> > > >eight of an inch of raised hexagon to grip,
> right?
> > > I
> > > >also think the compounding of the plastic is an
> > > issue.
> > > >  I'm not trying to throw a wrench into a good
> > > idea,
> > > >just trying to add a bit of reason.  I really
> for
> > > the
> > > >life of me couldn't imagine that the new
> plastic
> > > plug
> > > >from the dealer would cost $35.  Is this the
> real
> > > >price?  Does anyone else know?  This seems
> almost
> > > >unbelievable to me.  Anyone?
> > >
> > > I have no plastics technology understanding, but
> I
> > > see plastics with many
> > > different characteristics offered in a wide
> variety
> > > of
> > > shapes/dimensions.  I mean, you can buy stuff as
> > > sheets, rods, square
> > > tubes, square rods, etc. from relatively small
> > > dimensions up to multiple
> > > inches.  I could see a 1 1/4" rod of appropriate
> > > plastic being turned down
> > > to whatever dimension fits the threads and then
> > > threaded with a nice collar
> > > and then the wrench surface beyond that, so it's
> > > formed just like a bolt
> > > with fixed washer.  No idea of the equipment
> needed,
> > > but I can't see the
> > > result costing $35 each if you set up and made
> more
> > > than a handful.
> > >
> >
> >
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