Self-heating and adhesive device

Details Self-heating and adhesive device Self-heating and adhesive device

2006-04-17

2009-11-24

Miggins, Michael C (Department: 1794)

Package making

Methods

Closing package or filled receptacle

C126S263020, C156S145000, C156S250000

Reexamination Certificate

active

07621110

ABSTRACT:
The self-heating and adhesive device of the present invention comprises a gas-permeable sheet layer, an exothermic composition layer, a gas-impermeable sheet layer, a support, a poultice or gel layer, and a releasing sheet layer in this order, wherein the exothermic composition layer is stuffed in a pouch that is made of the gas-permeable sheet layer and the gas-impermeable sheet layer, and wherein the support comprises a fibrous layer only or a gas-impermeable sheet and a fibrous layer and has a moisture permeability within the range of 0 to 3,000 g/m2·24 hours by the Lyssy method.

REFERENCES:
patent: 2004/0178384 (2004-09-01), Usui

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