| 摘要 |
A piece of trim having a hard finish is disposed adjacent the outer surface of the outer shell which is formed of fire retardant material. A thread protector is disposed adjacent the outer surface of the trim, and a thread forming a line of stitching extends through the thread protector, trim and shell to hold the trim in place. The thread includes exposed portions, and the thread protector is formed of soft material and extends away from opposite sides of the exposed portions of the thread. The thread protector also is spaced from the outer surface of the trim a greater distance than the tops of the exposed portions of the thread so that if an object approaches the sides of the exposed portions, it will first contact an edge of the thread protector and cause the thread protector to fold over the exposed portions of the thread to prevent abrasion thereof.
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