Filter cartridges and machine for making the same

Claim 1

A MACHINE FOR MAKING FILTER CARTRIDGES COMPRISING A CARIER HAVING A SERIES OF HOLDERS FOR CARTRIDGE FORMING PARTS, MEANS FOR INTERMITTENTLY OPERATING SAID CARRIER TO BRING SAID HOLDERS SUCCESSIVELY TO DIFFERENT STATION, MEANS AT ONE STATION FOR FEEDING END CLOSING MEMBERS TO SAID CARRIER, MEANS FOR POSITIONING TUBULAR OUTER COVERS IN SAID HOLDERS OVERLYING SAID MEMBERS, MEANS FOR SUPPLYING FILTER UNITS IN CYLINDRICAL FORM TO A SECOND STATION ADJACENT SAID CARRIER, MEANS AT ONE OF SAID STATIONS FOR FEEDING END CLOSING MEMBERS TO SAID HOLDERS ABOVE SAID OUTER COVERS, MEANS FOR APPLYING SAID MEMBERS TO OUTER COVERS IN A POSITION TO CONTACT A FILTER UNIT IN SAID COVERS AND MEANS FOR SUPPLYING ADHESIVE TO THE CONTACTING AREA OF SAID UNIT AND SAID END CLOSING MEMBERS.