Title:
冷媒配管系の防火区画貫通部に設置される耐火キャップの脱落防止装置および脱落防止方法
Document Type and Number:
Japanese Patent JP6431416
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a falling prevention device for a fire-resisting cap to be used for a fire prevention cap type authorized construction method.SOLUTION: A falling prevention device (20) for a fire-resisting cap is disposed so as to cover a fire-resisting cap (18) attached to one side or both sides of a penetration part, and comprises a lath net (22) including the center part having an aperture (22a), through which a refrigerant piping system passes. The outer periphery of the lath net is fixed on a fire-resisting skeleton around the penetration part, by using a tapping screw (24). The circumferential part of the aperture of the lath net is bound to the refrigerant piping system by using a binding band (26).SELECTED DRAWING: Figure 1
Inventors:
Shinji Mori
Application Number:
JP2015054363A
Publication Date:
November 28, 2018
Filing Date:
March 18, 2015
Export Citation:
Assignee:
Sanki Industry Co., Ltd.
International Classes:
A62C3/16; E04B1/94; F16L5/02; F16L5/04; F25B41/00; F25B49/02
Domestic Patent References:
| JP2011074969A | ||||
| JP3339621B2 | ||||
| JP2003320051A | ||||
| JP2007154566A |
Foreign References:
| US20040100040 |
Attorney, Agent or Firm:
Seiji Sugiyama