| 摘要 |
PROBLEM TO BE SOLVED: To provide a frame which can be installed by easy installation work without preparing different kinds of casing members. SOLUTION: This frame body 1 comprises a frame member 9 to be attached to an opening of a wall 2 and a casing member 13 to be attached to the outer periphery of the frame member 9; the casing member 13 has at least two seal receiving portions 25, 27 in depth direction; the seal receiving portions 25, 27 can be cut off at a thin portion thereby using them for free selection; and seal 33 is provided between a wall 2 and a seal receiving portion selected 27 (25).
|
