THROUGH HOLE FIRE PROTECTION IMPLEMENT AND THROUGH HOLE FIRE PROTECTION MEASURE STRUCTURE AS WELL AS THROUGH HOLE FIRE PROTECTION MEASURE METHOD

摘要

PROBLEM TO BE SOLVED: To allow each installation dealer to perform a series of processes related to insertion of an elongated body leading to purchase, installation and fire protection measures even for a large through hole, and to enable efficient utilization of an opening area of the through hole.SOLUTION: A through hole fire protection implement is provided with a rectangular-like holding frame part 1 for holding a heat-resistant filling material J between it and an outer circumference surface of an elongated body P while the elongated body P to be inserted to a through hole H of a partition body W is surrounded, and a rectangular-like flange part 2 protruded from the entire circumference of the rectangular-like holding frame part 1 to the outside, and an attachment part 2a with respect to the partition body W is provided to the rectangular-like flange part 2. Among four marginal parts 2b to 2e constituting the rectangular-like flange part 2, a part or the whole of at least one marginal part 2b, or the marginal part 2b and a portion adjacent thereto is constituted from a flange side separation part 3 detachable for a body member 4 composed of a remaining part of the rectangular-like flange part 2 and the rectangular-like holding frame part 1.