Asahi Kasei Fibers Corporation

Ohki Co., Ltd.

Hirohumi Iwasaki

Naoko Yamaguchi

Hirohiko Nagao

Mitsunori Saito

Mitsunori Saitou

A nonwoven fabric characterized in that the nonwoven fabric is a thermoplastic synthetic fiber nonwoven fabric having a fabric weight of 7 to 50 g/m, an average yarn diameter of 7 to 40 &#x3bc;m, a partial heat contact bonding ratio of 5 to 30% and a content of a delustering agent of 0.5% by weight or less, or a nonwoven fabric laminate the major component of which is the thermoplastic synthetic fiber nonwoven fabric, and that the nonwoven fabric has a maximum opening diameter of 200 to 2,000 &#x3bc;m, and shows a transparency of 50% or more, a powder leakage ratio of 10% by weight or less and a hydrophilicity of less than 10 sec, and a tea bag in which the nonwoven fabric is used.

Nonwoven fabric and tea bag

A simple warmth-retaining article comprising a heat insulating material, a cover material and an exothermic article that generates heat in the presence of air and that is inserted between the heat insulating material and the cover material, and a warmth-retaining cloth formed by connecting a plurality of the simple warmth-retaining articles in a plane-like state.

Growing community of inventors

Ashiya, Japan

Hirohumi Iwasaki