Roller applicators

Claim 1

IN AN APPLICATOR, THE COMBINATION COMPRISING A VESSEL FOR HOLDING A SUPPLY OF FLUID MATERIAL, A CYLINDRICAL APPLICATOR ROLLER FOR APPLYING THE FLUID MATERIAL, SUPPORT MEANS CONNECTED TO SAID VESSEL AND SUPPORTING SAID ROLLER ROTATABLY ON AN AXIS DISPOSED IN A FIXED RELATIONSHIP TO SAID VESSEL, NON-ABSORBENT SEALING SURFACE MEANS HAVING A CONCAVE CYLINDRICAL SURFACE CONFORMING IN SHAPE TO THE CYLINDRICAL PERIPHERY OF SAID ROLLER, SAID SEALING SURFACE MEANS BEING IN INTIMATE AND SLIDABLE CONTACT WITH THE PERIPHERY OF SAID ROLLER AND HAVING AN AREA OF CONTACT WITH SAID ROLLER, SAID SEALING SURFACE MEANS HAVING AN ORIFICE THEREIN ENTIRELY SURROUNDED BY SAID AREA OF CONTACT TO PREVENT LEAKAGE OF THE FLUID MATEIAL, AN IMPERVIOUS ELASTIC MEMBER EXTENDING FROM SAID VESSEL TO SAID SEALING SURFACE MEANS, SAID VESSEL HAVING AN OPENING THEREIN, SAID MEMBER HAVING A PASSAGE THEREIN EXTENDING FROM SAID OPENING IN SAID VESSEL TO SAID ORIFICE TO CONDUCT THE FLUID MATERIAL FROM WITHIN THE VESSEL TO SAID ROLLER, SAID MEMBER BEING IMPERVIOUSLY CONNECTED TO SAID VESSEL AROUND SAID OPENING AND TO SAID SEALING SURFACE MEANS AROUND SAID ORIFICE, SAID MEMBER BEING ELASTICALLY STRESSED IN BIASING RELATION BETWEEN SAID VESSEL AND SAID SEALING SURFACE MEANS TO URGE SAID SEALING SURFACE MEANS AGAINST SAID ROLLER, SAID MEMBER BEING CONSTRUCTED AND ARRANGED TO MAINTAIN INTIMATE CONTACT BETWEEN SAID SEALING SURFACE MEANS AND SAID ROLLER THROUGHOUT ALL OF SAID AREA OF CONTACT WHEN SAID ROLLER IS ROTATED AND ALSO WHEN IT IS STATIONARY.