| 摘要 |
PURPOSE: A cap for keeping a valve warm is provided, which can be conveniently installed to and removed from a valve without a separate tool. CONSTITUTION: A cap for keeping a valve warm comprises a heat insulating housing(1) and a cover(2). The heat insulating housing has a valve insertion part(10), a joining projection(11), a bonding groove, and a separation prevention protrusion(13). The valve insertion part wraps the peripheral part of the valve. The joining projection prevents movement of the valve lever. The cover comprises a pipe heat insulator stop projection(20), a combining projection(21), a locking unit, a cutting line(22), and an extension part.
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