Packaging machine for forming and filling bags of different lengths and widths

Abstract

Abstract BAGS WHICH MAY VARY IN LENGTH AND WIDTH WITHIN PRESELECTED RANGES FROM ONE RUN TO ANOTHER ARE FORMED FROM A WEB OF FLEXIBLE MATERIAL AND ARE FILLED WITH A QUANTITY OF PRODUCT AS THEY ARE ADVANCED IN VERTICAL PLANES ALONG A HORIZONTAL PATH BY A PACKAGING MACHINE. TO REDUCE THE NUMBER OF ADJUSTMENTS NECESSARY FOR CHANGING OVER THE MACHINE FROM RUNNING BAGS OF ONE LENGTH AND WIDTH TO RUNNING BAGS OF A DIFFERENT LENGTH AND WIDTH, THE MACHINE IS CAPABLE OF BEING SET UP TO MAINTAIN THE UPPER ENDS OF BOTH LONG AND SHORT BAGS MOVING ALONG A COMMON OPERATING OR DATUM LINE DURING THE ADVANCE OF THE BAGS AND, AT THE SAME TIME, TO MAINTAIN THE LONGITUDINAL CENTER LINES OF BOTH WIDE AND NORROW BAGS IN EXACT COINCIDENCE WITH THE WORKING CENTERS OF VARIOUS MECHANISMS SPACED ALONG THE PATH FOR OPERATING ON THE BAGS BEFORE, DURING AND AFTER FILLING. THE DISCLOSURE ALSO SPECIFICALLY PERTAINS TO A NUMBER OF NEW AND IMPROVED MECHANISMS FOR FORMING AND HANDLING THE BAGS, TO THE DRIVE MECHANISM OF THE MACHINE, AND TO THE EASE OF ADAPTABILTIY OF THE DIFFERENT ELEMENTS OF THE MACHINE TO EITHER RIGHT OR LEFT HAND OPERATIONS.

Inventors

• 👤 Kenneth R Johnson
• 👤 Robert F Lense

Bibliographic Details