The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 08, 1994
Filed:
Jan. 12, 1993
Murray B Blumberg, Sandton, ZA;
William M Hoffman, Hamilton, OH (US);
Technokantoor Limited, Brussels, BE;
Abstract
A paper binder comprises a pair of prongs, an anchor formation at one end of each prong, and a head, the anchor formations being embedded in the head. The invention extends to a method of manufacturing a paper binder, which includes the steps of providing two thin head forming elements that are capable of being bonded together, forming an aperture in one of the elements, inserting a binding member into the aperture, the binding member having a pair of prongs with anchor formations and bonding the elements together, the anchor formations sandwiched therebetween and the prongs extending therefrom. The invention extends further to an apparatus for manufacturing a paper binder which includes an inserting means for inserting the binding member into an aperture in a base element and a bonding means for bonding a cover element to the base element with an anchor formation sandwiched therebetween.