Sealing of end faces of ceramic tubes

Details Sealing of end faces of ceramic tubes Sealing of end faces of ceramic tubes

1988-06-10

1990-05-08

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

264 63, 264 67, 264317, C04B 3564

Patent

active

049236555

ABSTRACT:
A process for sealing an end face of a ceramic tube is disclosed. The process includes the steps of inserting a porous member made of an organic material into one end of the ceramic tube after the ceramic tube is dried, and pouring and depositing a slurry into the ceramic tube on an axially outer side of the porous member, followed by drying and firing. The porous member is shaped to meet an inner shape of an end of the ceramic tube to be sealed. The slurry exhibits the same coefficient of thermal expansion as that of the ceramic tube during firing.

REFERENCES:
patent: 4559193 (1985-12-01), Ogawa et al.

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