| 摘要 |
<p>The thermal protective covering (2) has a metal covering (3) which surrounds a weapon pipe (1). An infrared light reflection foil (4) is connected with the metal covering at a lower side (5) of the weapon pipe. The lower side of the weapon pipe is facing an inner upper surface (6) of the metal covering. The protective covering acts with the reflection foil around plastic-covered aluminum foil or gold foil, and around a polyvinyl chloride, polyethylene or polypropylene lamination.</p> |
