Title:
使い捨て保温具および該保温具用不織布の製造方法
Document Type and Number:
Japanese Patent JP4361520
Kind Code:
B2
Abstract:
To provide a disposal heat warmer and a nonwoven fabric for the disposal warmer with soft and fiber tactile sensitivity and good thermal efficiency to make good use of the heat of an exothermic body.
A disposal warmer is formed by enclosing a composition generating heat in air into a packing material which has the nonwoven fabric laminated with a film at least on one surface and air permeability, and the nonwoven fabric includes a hydrophobic synthetic fiber and is bonded by fluid-entanglement to have 60% or more, preferably 82% or more, constant thermal efficiency at 20°C and under 65% humidity atmosphere.
COPYRIGHT: (C)2006,JPO&NCIPI
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Inventors:
Ogawa Masaru
Tetsuo Kato
Tetsuo Kato
Application Number:
JP2005244175A
Publication Date:
November 11, 2009
Filing Date:
August 25, 2005
Export Citation:
Assignee:
Asahi Kasei Fibers Co., Ltd.
International Classes:
A61F7/08; A61F7/03; B32B5/02; D04H1/4291; D04H1/435; D04H1/492; F24V30/00
Domestic Patent References:
| JP5056912B2 | ||||
| JP9154868A |
Attorney, Agent or Firm:
Takenaga Kawakita