| 摘要 |
A door is used with a snow shelter having an entranceway. The door includes a fabric door panel with an inverted U-shaped edge along the sides and top. An arcuate zipper around a centre section of the panel defines an openable door. A door frame extends along the top and sides of the door panel. The frame is a strip consisting of two inverted, U-shaped panels of textile fabric fastened around the top and sides of the door panel. The outer edges of the fabric panels are joined by two zippers that close from the bottom up. The frame panels are wider at the base to provide a stable base for supporting the door. To set up the door, the zippers are progressively closed from the bottom up. This forms a tube that is filled and packed with snow as it is closed to create a rigid frame. In use, the door leans against the shelter around the entranceway.
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