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
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Publication of BE672841ApublicationCriticalpatent/BE672841A/xx
B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
B42B—PERMANENTLY ATTACHING TOGETHER SHEETS, QUIRES OR SIGNATURES OR PERMANENTLY ATTACHING OBJECTS THERETO
B42B5/00—Permanently attaching together sheets, quires or signatures otherwise than by stitching
B42B5/08—Permanently attaching together sheets, quires or signatures otherwise than by stitching by finger, claw or ring-like elements passing through the sheets, quires or signatures
B42B5/10—Permanently attaching together sheets, quires or signatures otherwise than by stitching by finger, claw or ring-like elements passing through the sheets, quires or signatures the elements being of castellated or comb-like form
B42B5/103—Devices for assembling the elements with the stack of sheets
