Apparatus for gluing overwrapped portions of wrap-around bottle carrier cartons

Claim 1

APPARATUS FOR SEALING OVERLAPPED TOP WALL SECTIONS OF A TUBULAR, OPEN-END, WRAP-AROUND, PAPERBOARD CARRIER CARTON CONTAINING TWO PARALLEL ROWS OF NECKED BOTTLES ARRANGED IN SIDE-BY-SIDE RELATION, SAID APPARATUS COMPRISING: (A) CONVEYOR MEANS; (B) A FIRST COMPRESSION MEMBER LOCATED OVER THE CONVEYOR MEANS AND PRESENTING AN OUTWARDLY FACING SURFACE DISPOSED BETWEEN THE NECKS OF THE BOTTLES OF ADJACENT ROWS IN SUBSTANTIAL ALIGNMENT WITH THE UPPER EXTREMITIES OF THE BOTTLES; (C) SAID FIRST COMPRESSION MEMBER INCLUDING AN ELONGATED ANVIL-LIKE MANDREL ELEMENT SUPPORTED AT THE TRAILING END IN A CANTILEVER ARRANGEMENT AND HAVING AN UNSUPPORTED FREE LEADING END; (D) MEANS FOR APPLYING ADHESIVE TO A SURFACE OF AT LEAST ONE OF THE CARTON TOP WALL SECTIONS OF SAID BLANK; (E) MEANS ACTING AS THE CARTON ADVANCES FOR FOLDING PORTIONS OF THE BLANK AROUND THE OUTER SIDES OF THE BOTTLES AND THE TOP WALL SECTIONS OF THE BLANK OVER THE BOTTLES INTO OVERLAPPED ABUTTING RELATION WITH EACH OTHER AND AGAINST SAID FIRST COMPRESSION MEMBER; AND (F) A SECOND COMPRESSION MEMBER LOCATED OVER A PORTION OF SAID FIRST COMPRESSION MEMBER AND PRESENTING AN INWARDLY FACING SURFACE SPACED A SLIGHT DISTANCE FROM THE SURFACE OF SAID FIRST COMPRESSION MEMBER FOR COOPERATION THEREWITH TO COMPRESS SAID OVERLAPPED CARTON TOP WALL SECTIONS BETWEEN SAID SURFACES.