Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES98526UpriorityCriticalpatent/ES98526Y/en
Publication of ES98526UpublicationCriticalpatent/ES98526U/en
Application grantedgrantedCritical
Publication of ES98526YpublicationCriticalpatent/ES98526Y/en
Improved frame for spine binding, characterized essentially by the fact that comprise as binding elements a plurality of pieces forming strips of any cross section, made of elastic and flexible material, these strips comprising their flat ends and with a perforation, operatively arranged for that when stringing the sheets or booklets with these elements, these plans can be set on the back of each cover and fixed by threads passing through the holes, which are retained by the lining of each cover. (Machine-translation by Google Translate, not legally binding)
Improvements introduced in the manufacture of construction elements that include perforations (Machine-translation by Google Translate, not legally binding)