SHELL OF PRESSURE-RESISTANT CONTAINER, PRESSURE-RESISTANT CONTAINER, AND PROBE

摘要

There are provided a shell of a pressure-resistant container that is made of ceramics, is used for a pressure-resistant container formed with a through hole, and can be made higher in strength and lighter in weight, as well as to provide a pressure-resistant container and an exploratory apparatus. A shell (1) of a pressure-resistant container (6) includes a shell portion (11) and a thick-walled portion (12). The shell portion (11) is made of ceramics and has a convexly-curved surface. The thick-walled portion (12) is made of ceramics, continues into the shell portion (11), is larger in thickness than the shell portion (11), and has a through hole (16) penetrating through the thick-walled portion in a thickness direction thereof.