Method and apparatus for inserting a liner into a carton

Claim 1

APPARATUS FOR SECURING A PLASTIC LINER TO THE INSIDE SURFACE OF A CARTON, SAID APPARATUS COMPRISING: (A) A FRAME MEMBER; (B) CARTON ELEVATOR MEANS VERTICALLY MOVABLE IN TWO OPPOSITE DIRECTIONS WITH RESPECT TO SAID FRAME MEMBER, SAID ELEVATOR MEANS BEING ARRANGED TO CARRY A SUPPLY OF UNFOLDED CARTONS IN A VERTICAL STACK; (C) ADHESIVE-APPLYING MEANS MOUNTED ON SAID FRAME MEMBER AND RESPONSIVE TO THE UPWARD MOVEMENT OF SAID ELEVATOR MEANS; (D) SUPPORT MEANS FOR A PILE OF PLASTIC LINERS, SAID SUPPORT MEANS BEING LOCATED REMOTELY FROM SAID ELEVATOR; (E) RECIPROCATING CARTON TRANSFER MEANS ARRANGED TO ACT ON THE TOP CARTON IN THE STACK, SAID TRANSFER MEANS BEING MOVABLE BETWEEN SAID ELEVATOR MEANS AND THE AREA OF SAID LINER SUPPORT MEANS; (F) LIFTING MEANS ARRANGED TO PICK UP THE TOP LINER ON SAID SUPPORT MEANS IN TIMED RELATION TO THE TRANSFER OF THE TOP CARTON, THE TOP LINER BEING HELD IN AN ELEVATED POSITION WHEREBY THE TOP CARTON IS PLACED THEREBELOW WITH THE GLUED SURFACE IN CONTACT WITH THE UNDERSIDE OF THE TOP LINER; AND (G) EJECTION MEANS TO REMOVE THE ASSEMBLED LINER AND CARTON.