End-To-End Seal

End-To-End Seal

 

Set Up:

-         8 mm tubing

-         # 2 tip

-         Matches/mats/towel/glass cutter/smasher

-         Blow tube/cork to fit inside of the 8 mm tubing

End-To-End Seal (8 mm tubing):
    Remember:  Hot glass looks the same as cold glass!!  Don't burn the top of your bench, put your hot glass on the ceramic mats. 
     DO ALL YOUR WORK OUTSIDE THE FLAME!!!!  Use the flame to soften your glass.  Keep your glass rotating in the flame, for even heating.

-         Cut 2 pieces of 8 mm tubing.
-         Cork one end of one piece of tubing.  Put your blow tube on the other piece of tubing.

-         Heat the ends together, remove from heat, push them together then slightly pull them apart.

o       This prevents a large lens from forming.

-         Heat the seal until the glass collapses, then remove from heat and blow a slight bulge.

o       This strengthens the seal.

-         Slightly collapse the bulge, remove from heat, and blow the seal to the diameter of the surrounding tubing.

-         Version II:

o       Heat the ends together, remove from heat, push them together then slightly pull them apart.

o       Heat one side and allow to collapse

o       Remove from heat and blow to diameter of surrounding tubing.

o       Repeat for the rest of the sides.

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