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High Quality Cups from Recycled Water Bottles

Step 4Turning the lip

Turning the lip
Turn your stove on and place the pan on the element/flame.
Heat to medium warm to hot.
Start gradually.

We want it at a temperature that will not burn the plastic, yet simply heat it.

Place you bottle lip down with the jig inplace and spin the bottle whilst grasping the base and jig.

Do not let the bottle sit for too long or it will melt too much.

Check the bottle every 5 seconds or so to see the progress.

Once the plastic has fully curled, your lip is finished.

(This method may be used to make support ridges for many applications with bottles. Try this on your own project. Once the lips is on the bottle, it then may be heated in boiling water to reduce its size... really cool stuff actually. I hope others use this method with your "keep the bottle" projects)
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1 comment
Feb 5, 2009. 9:48 AMChaseReno says:
I like the recycle idea but one wonders about the gases being emitted by the melting plastic. I'm no tree hugger but it seems that some tree hugger some where might find this a bad side effect. Regardless, I'm going to give this a try.

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