Heating device e.g. hand warmer, has hollow container filled with substance e.g. sodium acetate, where acetate produces and delivers heat into crystallization chamfers without activator in inside of container

摘要

The device has a hollow container that is closed hermetically and is filled with a substance e.g. sodium acetate. The substance has the characteristic during heat emission to crystallization-chamfers. The container is provided with or without a reinforced wall section (4) in any part of the container. The acetate produces and delivers heat into the chamfers without an activator inside the container.