doctor blade meaning

[Engineering]
"A device for regulating the amount of liquid material on the rollers of a spreader. Also known as doctor bar, doctor knife, doctor roll."

Examples

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1. wiper and doctor blade
2. 1 lower gluing wheel by 2-section doctor blade to control the volume well, and avoid glue swinging
3. The blades that flatten and thin the casted surface are called doctor blades.
4. These requirements are fulfilled by a doctor blade assembly which includes a doctor blade holder.
5. These requirements are fulfilled by a doctor blade assembly which includes a doctor blade holder.