Method for fastening slide fastener at two-piece covering structure for polygonal mattress, involves pushing protruding ends of slide fastener having corner mark portions, while connecting covering portion with slide fastener

摘要

The method involves providing colored corner mark portions on a slide fastener whose length is set equal to the length of a polygonal mattress. The corner mark portions are provided to represent corner spacing range and polygonal mattress size. The corner marks are represented in figures. The protruding ends of the slide fastener are pushed, while connecting a covering portion with the slide fastener. An independent claim is included for a slide fastener.