作者: Stephen Perkins
DOI:
关键词:
摘要: In general, the product of present invention is a plastic liner bag which includes an elastic band, integral with open top bag. The edge band attached to has circumference in its relaxed state approximately equal As such, does not interfere folding or rolling bags invention. That is, will lie flat on surface. method comprises steps forming out sheet material so as have end and attaching one be when it formed.