NUT TYPE BINDER WHICH DOES NOT PIERCE DOCUMENTS

摘要

The present invention relates to a nut type binder for collecting a sheet of paper and making a file folder. More specifically, the present invention relates to the nut type binder which does not pierce documents which can be strongly fixed so that the documents are not leaked out of the binder by pressing the documents without drilling a hole in the documents and fixing the documents. The nut type binder which does not pierce the documents of the present invention comprises: a holder (40); a plurality of bolts (10); a compression plate (30); and a nut (20).;COPYRIGHT KIPO 2020