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.
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.
| WO/2011/055551 | FIRE PROTECTION COMPARTMENT PASS-THROUGH SECTION STRUCTURE |
| WO/2020/016073 | FEEDTHROUGH MODULE FOR INSTALLATION IN A WOODEN CONSTRUCTION |
| JP4303796 | Complex system |
NAMATAME YASUSHI
TAISEI CORP
| JPH044720A | 1992-01-09 | |||
| JPS55160914A | 1980-12-15 | |||
| JP2008132244A | 2008-06-12 |
Kunihiko Higashi
Masahiro Miyaji