1
Chao William P: Off-line process for laminating magnetic tape to tab stock. The National Cash Register Company, July 17, 1973: US3746606 (16 worldwide citation)

The present disclosure is directed to an 'off-line' procedure for preparing magnetic ledger cards and similar articles having paper or plastic substrates containing thin stripes of flexible plastic magnetic tape, wherein a solvent-based adhesive comprised in its essential components of an ethylene-v ...


2
Chao William P: Magnetic ledger cards and a method for forming the same. The National Cash Register Company, December 14, 1971: US3627626 (2 worldwide citation)

The present disclosure is directed to methods of laminating and laminates wherein magnetic ledger cards are prepared by an 'in-line' procedure involving interposing between paper or other ledger card base stock and the plastic surface of magnetic tape a solvent-based, temporarily pressure-sensitive ...


3