Method and apparatus for producing bonded fibrous products

Claim 1

A METHOD FOR PRODUCING A BONDED PANEL OF FIBROUS GLASS WHICH COMPRISES FORMING FIBROUS GLASS, GATHERING THE FIBROUS GLASS IN THE FORM OF A PANEL WITH A BINDER CARRIED IN WATER DISPERSED THROUGH THE PANEL, SAID BINDER BEING HEAT SETTABLE AFTER REMOVAL BY HEAT OF THE WATER COMPONENT, MOVING THE PANEL THROUGH AN OVEN TO REMOVE THE WATER COMPONENT AND TO SET THE BINDER, THEN MOVING THE PANEL IN A PATH THROUGH THE DIELECTRIC FIELDS OF A PLURALITY OF CAPACITORS PLACED IN SIDE-TO-SIDE RELATION ACROSS SAID PATH, AND WHEN THE ELECTRICAL CHARGE OF ANY ONE OF SAID CAPACITORS INCREASES TO A MAGNITUDE TO INDICATE THE PRESENCE OF AN EXCESSIVE AMOUNT OF WATER REMAINING IN THE PARTICLAR PORTION OF THE PANEL PASSING THROUGH THE SAID ONE SAID CAPACITORS, APPLYING AN IDENTIFYING MARK UPON SAID PARTICULAR PORTION OF THE PANEL.