MASK - SHIGEMATSU WORKS

Title:

MASK

Document Type and Number:

WIPO Patent Application WO/2010/103688

Kind Code:

A1

Abstract:

Provided is a mask which can be folded small and has improved portability and storability. A mask which can be folded small characterized in that, as Fig. 1 shows, a filter part, which comprises a single- or multi- layered filter material and provides a rectangular section at the center when folded in two along the center line, is provided; triangular filter parts, each having the major side of the rectangular filter part as the bottom side, are formed in an integrated manner in the longitudinal direction of the rectangle; and tightening strings are attached to the respective minor sides of the rectangular filter part. A mask comprising a mask main body which has the center line matching the nasal bridge and is provided with cover sheets being positioned in the right and left sides thereof and covering around the nose, mouth and jaw, and tightening strings attached to the side edges of the right and left cover sheets respectively, characterized in that a stretchable rubber string is attached to the tope edges of the right and left cover sheets nearly orthogonally to the nasal bridge line. This mask can be discarded without separating and the pressing force thereof to the vicinity of the nose never weakens with the passage of time.

Inventors:

SHIGEMATSU NOBUO (JP)
ONO KENICHI (JP)
SHIMADA SHUICHIRO (JP)
TAKAYAMA YUSUKE (JP)

Application Number:

PCT/JP2009/067445

Publication Date:

September 16, 2010

Filing Date:

September 30, 2009

Export Citation:

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Assignee:

SHIGEMATSU WORKS (JP)
SHIGEMATSU NOBUO (JP)
ONO KENICHI (JP)
SHIMADA SHUICHIRO (JP)
TAKAYAMA YUSUKE (JP)

International Classes:

A62B18/02

Foreign References:

JP3089472U	2002-10-25
JP3046342U	1998-03-06
JPH0425759U	1992-02-28
JP3098928U	2004-03-18
JP2007117599A	2007-05-17
JP2008506455A	2008-03-06
JPH06335535A	1994-12-06

Other References: