Method and means for pre-applying glue and reactivating it for continuous form collating
Abstract
Abstract A HOT MELT SYSTEM AND A REMOISTENING COLD GLUE SYSTEM ARE PROVIDED FOR ADHESIVE APPLICATION TO COLLATED FORMS ON PRINTING MACHINES IN SHORT LENGTHS AND IN STAGGERED ARRANGEMENT WITH ALINED RELATION ESTABLISHED INFREQUENTLY FOR THIN SUPERPOSED STRIPS. PERFORATION LINES ARE NOT CROSSED IN STAGGERED PRINTING PATTERN, AND AFTER DRYING, HEAT SOURCE BETWEEN TWO COLLATOR ROLLS SOFTENS PRE-APPLIED GLUE TO REQUIRED TACKINESS AND MAKES BOND ON FOLLOWING ROLL. LOW SOLVENT RESIN GLUE APPLIED IN SIMILAR PATTERN ON PRINTING MACHINE DRIES BEFORE DISCHARGE FROM PRINTER. WATER IS APPLIED THROUGH METERING HEAD DISPOSED BETWEEN COLLATOR ROLLS FOR RE-MOISTENING AND REESTABLISHING ITS BONDING PROPERTIES.
Inventors
- 👤 Charles V Newton
Bibliographic Details
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