How can we pattern sleeve surface?
There are two ways.
First, we weld fine-patterned plates and make them one sleeve.
The welding lines are almost as flat as the parent surface.
Second, we make a replica sleeve from the original roll.
The original roll is covered with fine patterns.
It is a hard roll, not elastic at all.
These patterns are made by drilling or laser and is expensive.
By copying the pattern from this hard roll,
we make a thin wall sleeve.
Fine patterns are copied on a thin wall sleeve.
We can make this sleeve repeatedly.
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| Fine-Patterned Endless Mold |
Then customers can use these copied sleeves just like a jacket sleeve.
The original hard roll is not used for pattern transfer on films. It is kept as a mother roll or a mold to produce copied sleeves.
Then maintenance cost of this expensive mother roll goes down a lot.
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