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Patent Searching and Data


Title:
A filtering face piece mask with a pleat
Document Type and Number:
Japanese Patent JP6145406
Kind Code:
B2
Abstract:
A pleated molded filtering face piece respirator to be worn upon the face of a wearer and for providing filtering including at least one layer of moldable flexible plastic material formed from openwork flexible plastic material for providing a plurality of perforations for allowing for the free passage of air through the openwork plastic. A layer of moldable filter material for filtering impurities in the air, the one layer of flexible plastic material formed from openwork flexible plastic material and the layer of filter material for filtering impurities in the air lying one on top of the other to form a moldable multilayer of flexible plastic material and filter material. The moldable multilayer of flexible plastic material and filter material are pleated into pleated material and molded to form the pleated filtering face piece respirator to a desired configuration where the one layer of openwork flexible plastic material forms a support layer to carry the layer of filter material.

Inventors:
Madison mark
Toujan, Crest
Application Number:
JP2013528248A
Publication Date:
June 14, 2017
Filing Date:
September 06, 2011
Export Citation:
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Assignee:
MOLDEX-METRIC, INC.
International Classes:
A62B18/02; A41D13/11; B01D39/16; B29C33/38; B29C33/42
Domestic Patent References:
JP3126242Y2
JP6192951A
JP2006500158A
JP2000507461A
JP2005533644A
JP57066767A
Foreign References:
US4850347
US20060005838
US20060266364
US6403197
US5968373
US20110036353
Attorney, Agent or Firm:
Ippei Watanabe
Koji Kikawa
Hiroyuki Sato
Shigeru Koike