Apparatus for applying marginallygummed labels to cylindrical articles

Claim 1

A LABELLING MACHINE COMPRISING A FLAT-SIDED DELIVERY BOX EACH SIDE OF WHICH HAS SUCTION APERTURES FOR HOLDING A LABEL, MEANS FOR INTERMITTENTLY ROTATING THE DELIVERY BOX, MEANS FOR FEEDING A SUCCESSION OF CYLINDRICAL ARTICLES TO AND PAST ONE POSITION OF REST OF THE SIDES OF THE BOX, MEANS FOR PRESENTING TO EACH SIDE OF THE BOX AT A PRECEDING POSITION OF REST THE UNGUMMED FACE OF A LABEL, THE OTHER FACE OF WHICH IS MARGINALLY GUMMED, WITH AN UNGUMMED CENTRAL AREA EXTENDING LONGITUDINALLY TO AT LEAST ONE OF TWO OPPOSITE MARGINS, AND WITH A HOLE THROUGH THAT AREA, A STACK FOR SHEETS OF MATERIAL LESS IN WIDTH THAN THAT AREA, SPACED FROM AN INTERMEDIATE POSITION OF REST OF A SIDE OF THE DELIVERY BOX AND PRESENTING ITS FOREMOST SHEET TOWARDS AND PARALLEL TO A SIDE OF THE BOX OCCUPYING THAT POSITION, A FLAT-FACED TRANSFER MEMBER WITH SUCTION APERTURES IN ITS FACE, MEANS FOR OSCILLATING THE TRANSFER MEMBER BETWEEN THE STOCK AND EACH SIDE OF THE DELIVERY BOX IN THE INTERMEDIATE POSITION OF REST, MEANS FOR INTERMITTENTLY ROTATING THE TRANSFER MEMBER DURING OSCILLATION FOR ITS FACE TO BE BROUGHT INTO CONTACT ALTERNATELY WITH THE FOREMOST SHEET IN THE STACK AND WITH THAT SIDE OF THE DELIVERY BOX, MEANS FOR CONTROLLING THE SUCTION AT THE SUCTION FACE OF THE TRANSFER MEMBER FOR THE FACE TO EXTRACT A SHEET FROM THE STACK AND PRESENT IT TO THE UNGUMMED AREA OF A LABEL HELD TO A SIDE OF THE DELIVERY BOX, WITH THE SHEET COVERING THE HOLE IN THE LABEL, SUCTION APERTURES IN THE SIDES OF THE DELIVERY BOX FOR APPLYING THROUGH THE HOLE IN A LABEL SUCTION TO HOLD A SHEET TO THE LABEL, AND MEANS FOR ROLLING AN ARTICLE OVER A SIDE OF THE DELIVERY BOX FOR A SHEET AND A LABEL HELD TO THAT SIDE TO BE APPLIED SIMULTANEOUSLY TO THE ARTICLE, SO THAT THE LABEL HOLDS THE SHEET OF MATERIAL TO THE ARTICLE.