IMPROVED LOOSE-LEAF BINDER AND METHOD AND APPARATUS FOR MANUFACTURING IMPROVED LOOSE-LEAF BINDERS

摘要

Disclosed is (1) a method of manufacturing a binder product, (2) an apparatus for use in operations for manufacturing binder products, (3) an improved binder which utilizes a rigid and arcuate spine board, and (4) an improved binder product with lid boards which are of a size in the range of industry standard sizes, but which are capable of fully enclosing tabbed document archiving office products.