Banding apparatus for manufacture of plastic coated containers

Claim 1

IN APPARATUS FOR APPLYING AN ANNULAR BAND OF COATING MATERIAL ON A CYLINDRICAL CONTAINER, A CARRIAGE TRAVELING IN A DEFINED PATH THROUGH A TREATING STATION, A CHUCK MOUNTED ON THE CARRIAGE AND OPERATED FOR HOLDING A CONTAINER, AN APPLICATOR OPERABLE FOR APPLYING A COATING MATERIAL UPON ENGAGEMENT WITH THE CONTAINER, MEANS MOUNTING THE APPLICATOR IN STATIONARY COATING POSITION AT THE TREATING STATION FOR ENGAGING THE CONTAINER SURFACE OF PRESELECTED DIAMETER AS THE LATTER IS MOVED THROUGH SAID STATION TO APPLY A BAND OF THE COATING MATERIAL THEREON, SAID MEANS COMPRISING A FRAME AT SAID STATION, A CANTILEVER ARM ATTACHED TO SAID APPLICATOR, A PIVOT SUPPORT FOR SAID ARM ON THE FRAME, STOP MEANS YIELDABLY RETAINING THE ARM AND APPLICATOR IN SAID COATING POSITION, SWITCH MEANS MOUNTED ON THE FRAME IN ADVANCE OF SAID APPLICATOR AND ENGAGEABLE BY AN OBJECT ON SAID CHUCK OF GREATER DIAMETER THAN SAID ELECT DIAMETER OF THE CONTAINER, MOTOR MEANS ON SAID FRAME AND ADAPTED, WHEN OPERATED, TO PIVOT SAID ARM AND APPLICATOR AWAY FROM COATING POSITION, AND CONTROL MEANS CONNECTED WITH SAID SWITCH MEANS FOR OPERATING SAID MOTOR MEANS RESPONSIVE TO ENGAGEMENT BY SAID OBJECT OF EXCESSIVE DIAMETER.