i worked in rotomolding, but not injection molding.  fun college job.

Doug Eichenberg wrote:
> 
> > I hate to say it, but I knew it for what it was when I saw it.
> > There was a time when I was interested in plastics and how they
> > were worked. In the course of my reading I have seen similar
> > injectors. This one looks very much like the pictures I saw.
> > You have done a good job at the modeling.
> 
> Glad to hear someone else recognized it!  I see these things everyday at
> work (I'm a design engineer for a company called Plastic Process Equipment).
> I've seen some incredibly complex mixing screws, a couple feet in diameter
> and so large you need a truck to move them.  I even designed one that was
> used to inject meat by-products into dog bone molds.  I once designed a
> screw used by a company making solid rocket propellant.  The temperature had
> to be kept to very strict tolerances to avoid any unfortunate mishaps.
> 
> - Doug Eichenberg
>   http://www.getinfo.net/douge
>   dou### [at] nlsnet

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