Coating apparatus with cooling back-up roll

Claim 1

A WEB-COATING APPARATUS COMPRISING A FIRST FOUNTAIN ROLL ADAPTED TO HAVE ITS SURFACE PARTLY SUBMERGED IN A TANK OF COATING MATERIAL, A SECOND TRANSFER ROLL SPACED FROM SAID FIRST FOUNTAIN ROLL, A THIRD WEB-SUPPORTING ROLL SPACED FROM SAID SECOND TRANSFER ROLL AND SUPPORTING A WEB TO BE COATED, SAID FIRST, SECOND, AND THIRD ROLLS BEING ROTATABLE AND POSITIVELY DRIVEN, A FIRST FREE-FLOATING SOFT-FACED ROLL POSITIONED BETWEEN SAID FIRST AND SECOND FOUNTAIN AND TRANSFER ROLLS AND MOVABLE INTO AND OUT OF CONTACT THEREWITH, A SECOND FREE-FLOATING SOFT-SURFACED ROLL POSITIONED BETWEEN SAID SECOND AND THIRD TRANSFER AND WEB-SUPPORTING ROLLS AND MOVABLE INTO AND OUT OF CONTACT THEREWITH, SAID FIRST AND SECOND SOFT-SURFACED ROLLS BEING ADAPTED TO BE FRICTIONALLY DRIVEN BY CONTACT WITH THEIR ASSOCIATED DRIVEN ROLLS, SAID FIRST FOUNTAIN ROLL HAVING ITS AXIS HORIZONTALLY ORIENTED, SAID SECOND TRANSFER ROLL HAVING ITS AXIS HORIZONTALLY ORIENTED AND ALIGNED VERTICALLY ABOVE THE AXIS OF SAID FOUNTAIN ROLL, AND SAID WEB-FEEDING ROLL HAVING ITS AXIS ORIENTED HORIZONTALLY AND ALIGNED HORIZONTALLY WITH THE AXIS OF SAID TRANSFER ROLL, SAID FIRST FREE-FLOATING ROLL HAVING ITS AXIS PARALLEL TO THE AXIS OF THE OTHER ROLLS AND POSITIONED ON THE CENTER LINE BETWEEN THE AXES OF SAID FIRST AND SECOND ROLLS, SAID SECOND FREE-FLOATING ROLL HAVING ITS AXIS PARALLEL TO THE AXES OF THE OTHER ROLLS AND POSITIONED ON THE CENTER LINE BETWEEN THE AXES OF SAID SECOND AND THIRD ROLLS.