Title:
耐火発泡体、それを用いた建設資材、開口の遮炎封止システム、および壁に設けられた開口の封止方法
Document Type and Number:
Japanese Patent JP4777877
Kind Code:
B2
Abstract:
A system for sealing off, at least during a fire taking place adjacent a wall, in a virtually entirely flame-tight manner and preferably also smoketight manner, an opening extending through-this wall, through which a transporting device comprising for instance a. cable, duct or pipe has been fed, the system being provided with elements manufactured from a fire-resistant material which expands under the influence of temperature increase, characterized in that the elements are manufactured from a fire-resistant material based on an elastomeric foam of cross-linked Ethylene Vinyl Acetate (EVA) with a substantially closed cell structure, in which foam at least one crust-forming fire-retardant material and a pH neutralized graphite material are incorporated, wherein the crust-forming fire-retardant material has been selected from poly ammonium phosphate and melamine phosphate.
Inventors:
Bere, Johannes Alfred
Application Number:
JP2006507875A
Publication Date:
September 21, 2011
Filing Date:
April 28, 2004
Export Citation:
Assignee:
Bere Enfinerinff B.Fee.
International Classes:
C08J9/06; A62C2/00; A62C2/06; A62C3/16; C08K3/04; C08K5/521; C08L101/12
Domestic Patent References:
| JP2003064209A | 2003-03-05 | |||
| JPH073063A | 1995-01-06 | |||
| JPH09208731A | 1997-08-12 | |||
| JP2002294078A | 2002-10-09 | |||
| JP2002325340A | 2002-11-08 | |||
| JP2000001927A | 2000-01-07 |
Attorney, Agent or Firm:
Masayuki Masabayashi
Hayashi Ichiyoshi
Hayashi Ichiyoshi