| 摘要 |
The insulating jacket (10) has insulating strip (20) of sheet material and closure portion and intumescent material strip (26) which is expandable by heat and is connected to inside of insulating strip. The closure portion has hose clips (40,42) extending in the circumferential direction of the insulating jacket, which are arranged on either side of expandable material, and are threaded in through openings of insulating strip. |
