SEAL DEVICE OF VERTICAL ROTATION HEATING TREATMENT FURNACE

摘要

PROBLEM TO BE SOLVED: To provide a seal device of a vertical rotation heating treatment furnace in which seal liquid is not used and seal performance is not deteriorated even in a case of progressing abrasion of a seal member, and which has long service life and facilitates maintenance management.SOLUTION: A seal ring is installed to the immovable portion and rotation portion of a vertical rotation heating treatment furnace, both seal rings are bonded with pressure of an air cylinder, and thereby adhesion is stably held for a long period.