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US 2026/0139901 A1Published application
Drying furnace
AssigneeNGK Insulators, Ltd.
InventorsKenshin KITOH, Yoshio KONDO, Tsutomu ITO
Life of this patent
Estimating the term…
Abstract
A drying furnace includes a furnace body, a heater, and a sensor. The furnace body allows a carrier sheet supporting a coating film to pass through the furnace body. The furnace body includes a light transmission portion. The heater is capable of heating the coating film. The sensor can optically detect a state of the coating film heated by the heater, from a side opposite to the coating film with respect to the light transmission portion via the light transmission portion.
Claims5
A drying furnace, comprising:
- a furnace body that allows a carrier sheet supporting a coating film to pass through the furnace body, the furnace body including a light transmission portion;
- a heater configured to heat the coating film;
- and
- a sensor configured to optically detect a state of the coating film heated by the heater, from a side opposite to the coating film with respect to the light transmission portion via the light transmission portion.
1 more element
Dependencies are inferred from the claim text.