Title:
防火壁または防煙垂れ壁
Document Type and Number:
Japanese Patent JP6874942
Kind Code:
B2
Abstract:
A fire or smoke barrier (1) having a head box (2) for housing a curtain (4) which is open at its underside to allow the curtain to be deployed and withdrawn. The head box (2) houses a roller (3) for the curtain (4) to be rolled from for deployment and rolled back onto for withdrawal and attached at the bottom of the curtain (4) is a bottom bar (7) for weighing down the curtain (4) when deployed. The head box (2) has one or more apertures (14, 15) for cleaning air circulation and being provided at the, or each, aperture (14,15) with a spring (22) loaded trap (16,17) normally held open by a fusible link (31), the link fusing (31) in event of fire.
Inventors:
Reed, james
Application Number:
JP2018549634A
Publication Date:
May 19, 2021
Filing Date:
December 12, 2016
Export Citation:
Assignee:
Coopers Fire Limited
International Classes:
A62C2/06; A62C2/24; E04B1/94
Domestic Patent References:
| JP63186449U | ||||
| JP10080500A | ||||
| JP53060699U | ||||
| JP50041314U | ||||
| JP2000054763A | ||||
| JP53043796U |
Foreign References:
| US3877525 | ||||
| US6342004 | ||||
| US20090266498 | ||||
| WO2014135863A1 |
Attorney, Agent or Firm:
Mamoru Ushiki
Tomoyuki Takahashi
Moriya Kataka
Junji Tanaka
Yusuke Kato
Asami Saito
Tomoyuki Takahashi
Moriya Kataka
Junji Tanaka
Yusuke Kato
Asami Saito