[Roadsters] How to clean your gas tank.

Brad Lustig bradlustig at earthlink.net
Wed Oct 31 07:55:52 MST 2007


I've seen a similar thing for chocolate molds before.  Very similar 
movement, but completely different setup.  And needless to say, the 
scale was a tad smaller.

Mark Sedlack wrote:
> Looks suspiciously like a single cavity, thermoplastic roto-molding machine.
> http://youtube.com/watch?v=xcdkDKkiBeU  small rotator
> http://youtube.com/watch?v=Q5eDA2KnrSc huge rotator
>
> A hollow mold is mounted on a rotator, filled with a charge of powdered
> resin, and spun in an oven, or in some cases the mold itself is heated.  The
> process is used to make large hollow parts, like kids outdoor play houses,
> kayaks, barrels, and not surprisingingly, fuel tanks......
>
> Wonder if he ever worked in a rotomolding plant.  If not, its a mother of an
> invention...
> Mark


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