METHOD OF FORMING WINDOW ON SYNTHETIC RESIN WOVEN SACK, WOVEN SACK, AND GRAIN SACK

摘要

Disclosed are a method of forming a window on a synthetic resin woven sack, a woven sack, and a grain sack. The disclosed method of forming a window on a synthetic resin woven sack includes the following steps: preparing a synthetic resin woven sack; and locally heating the surface of the synthetic woven sack to perforate the synthetic resin woven sack in a form of a simple closed curve.;COPYRIGHT KIPO 2017