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About explosion accident of tool for aerosol type simple fire extinguishing

Last update date March 12, 2019

In the house in Yokohama-shi, explosion accident of tool for aerosol type simple fire extinguishing made by YAMATO PROTEC CORPORATION occurred. The product concerned corresponds to maker voluntary recall item.

You are telling about information about malfunction of the product concerned than before in the Fire Bureau homepage, but having tool for aerosol type simple fire extinguishing has you confirm product having again and, in the case of the applicable product, sees the following manufacturer homepage, or please refer to customer consultation counter (0120-801084).

YAMATO PROTEC CORPORATION homepage: (http://www.yamatoprotec.co.jp/ (the outside site)

In addition, you confirm guarantee of quality period displayed by can bottom, and please refer to manufacturer for thing or the disposal that guarantee of quality period is expired.

Accident summary

Accident summary
Outbreak dayAccident summaryRemarks
August 7, 2010One of two tools for aerosol type simple fire extinguishing which displayed on the kitchen counter of kitchen, and was put exploded, and one already transformed omission on floor of kitchen, too.

FM boy K4423 (explosion)
FM boy K3406 (transformation)

August 10, 2010Tool for aerosol type simple fire extinguishing which we put on kitchen floor exploded with loud sound suddenly, and fire extinguishing drug was scattered on floor.YAMATO boy KTKD317
August 22, 2010When the family went to kitchen as I heard explosive in kitchen, tool for comprised aerosol type simple fire extinguishing exploded. As a part of the windowpane was damaged, we heard in fire department.YAMATO boy KTK2420
August 28, 2011When the family went to see as we heard explosive in kitchen, tool for aerosol type simple fire extinguishing which we kept in color box exploded, and the room became dirty with scattered fire extinguishing drug.YAMATO boy KTK2420
March 4, 2012Tool for aerosol type simple fire extinguishing put on floor beside storing rack exploded when we looked back as I heard "van" and explosive in living room on the first floor and was released all fire extinguishing drug.YAMATO boy KTK3407
May 27, 2012After the family coming home, and being going to go to kitchen, tool for aerosol type simple fire extinguishing put on floor of kitchen exploded.FM boy kKN322
May 27, 2012Trace that tool for aerosol type simple fire extinguishing which we put on floor when the family went to kitchen after the getting up exploded was recognized.YAMATO boy KTK0331
June 11, 2013There was explosive in kitchen when the family was in living room, and after confirming, tool for aerosol simple fire extinguishing exploded.Ignorance such as production batch numbers made in YAMATO PROTEC Corporation
July 29, 2014As the family was doing washing-up in kitchen, and I heard a big sound "boom", tool for aerosol type simple fire extinguishing exploded when we looked back.FM boy k1425
August 17, 2014We discovered thing that tool for aerosol type simple fire extinguishing put in hot water supply room in community hall exploded.YAMATO boy KTK3407

Tool for applicable aerosol type simple fire extinguishing

(1) Manufacturer: YAMATO PROTEC CORPORATION
(2) Brand name

  • YAMATO boy KT
  • FM boy K

(3) Evaluation number: kagami*dai 13-14
(4) Production time: From November, 2001 to July, 2002
(guarantee of quality period): (2005.01) ... (2005.10)
(5) The number of the sale: 184,000

Photograph of aerosol-type fire extinguisher YAMATO boy KT
YAMATO boy KT

Photograph of aerosol-type fire extinguisher FM boy K
FM boy K


Origin and instructions of accident

According to YAMATO PROTEC CORPORATION, as for two kinds of "FM boy K", it becomes clear for malfunction in process of manufacture "YAMATO boy KT" of tool for aerosol type simple fire extinguishing that leak and crack, explosion may be angry by progress of internal corrosion. About this product, we call for the disposal from July, 2005 and perform voluntary recall from November, 2006.

In addition, corrosion of the container inside advances when is just installed without the disposal being done, of explosion accident might occur.

The explosion situation of tool for aerosol type simple fire extinguishing

The explosion situation of tool for aerosol type simple fire extinguishing

The explosion situation of tool for aerosol type simple fire extinguishing


The situation of tool for aerosol type simple fire extinguishing which exploded

Inquiry to this page

The Fire Bureau prevention department Prevention Division

Telephone: 045-334-6406

Telephone: 045-334-6406

Fax: 045-334-6610

E-Mail address [email protected]

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