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Home  > About OHARA  > Factory Tour  > Factory
 
Rough Annealing
 
Mixing Raw Material

Melting

Rough Annealing

Inspection of Material

Adjustment of size

Pressing Operation

Annealing

Inspection of Products

Products which use optical glasses in
 
Adjustment of size ( weight ) of Gobs for Pressing Operation


 
The Cullet is melted by melting plant and formed into strip shape after removal of bubbles in the 2nd melting process. The strip glass is cooled slowly in the annealing tunnel furnace to prevent high stress.
 

 
Strip glass comes out from the tunnel exit quite slowly.
 

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