Coating sheet metal containers

Claim 1

THE PROCESS OF MAKING A CONTAINER SUITABLE FOR FOODS AND BEVERAGES AND THE LIKE, COMPRISING THE STEPS OF SOLDERING A SEAM IN PART OF A METAL CONTAINER AT A TEMPERATURE OF ABOUT 650 TO 750*F., COATING SAID SEAM WITH A COMPOSITION CONSISTING ESSENTIALLY OF RESINS A AND B DISSOLVED IN A VOLATILE ORGANIC SOLVENT, AND CONTAINING ABOUT 45 TO 65% BY WEIGHT OF RESIN A, THE BALANCE BEING RESIN B, RESIN A BEING A POLYEPOXIDE POLYETHER RESIN HAVING RECURRING HYDROXY GROUPS AND TERMINAL EPOXIDE GROUPS, AND AVERAGE MOLECULAR WEIGHT OF ABOUT 600 TO 2300, AND AN EPOXIDE EQUIVALENT VALUE OF ABOUT 300 TO 1500, AND RESIN B BEING A POLYAMINE RESIN FORMED BY CONDENSATION REACTION OF A POLYMERIZED UNSATURATED FATTY ACID WITH AN ALIPHATIC POLYAMINE AND HAVING AN AMINE EQUIVALENCE OF ABOUT 200 TO 800 AS DETERMINED BY TITRATION WITH AQUEOUS HYDROCHLORIC ACID, AND AN AVERAGE MOLECULAR WEIGHT OF ABOUT 2000 TO 6000, SAID RESINS A AND B BEING SUBSTANTIALLY UNREACTED WHEN THE COMPOSITION IS INITIALLY COATED, ON THE SEAM AND UTILIZING THE HEAT IMPARTED TO THE SEAM'' DURING THE SOLDERING STEP TO REACT RESINS A AND B AND THEREBY THERMOSET THE COMPOSITION.