Adhesive processes

Claim 1

THE PROCESS OF ATTACHING AN OUTSOLE TO A SHOE BOTTOM COMPRISING THE STEPS OF FORMING ON A MARGINAL ATTACHING SURFACE OF THE OUTSOLE, A THIN LAYER OF DISTINCT FREE PARTICLES OF AT LEAST TWO DIFFERENT HEAT FUSIBLE RESINOUS MATERIALS IN SPATIALLY DISTINCT RELATION, SAID LAYER CONTAINING FROM ABOUT 0.002 TO ABOUT 0.02 LBS. OF SAID PARTICLES PER SQUARE INCH, SAID MATERIALS BEING AT LEAST PARTIALLY MISCIBLE WITH EACH OTHER IN HEAT-SOFTENED CONDITION FOR COOPERATION TO FORM ON COOLING A STRONG, SOLID SOLUTION, ONE OF SAID MATERIALS HAVING A RELATIVELY HIGH SOFTENING POINT AND ANOTHER OF SAID MATERIAL HAVING A RELATIVELY LOW SOFTENING POINT, SAID MATERIALS BEING EVENLY DISTRIBUTED IN SAID LAYER IN INITIALLY DISTINCT BUT CONTACTING SPACES, SAID LAYER COMPRISING FROM 80% TO 95% OF SAID HIGH SOFTENING POINT MATERIAL AND FROM 20% TO 5% BY WEIGHT BASED ON THE WEIGHT OF THE MIXTURE OF SAID LOW SOFTENING POINT MATERIAL, HEATING SAID LAYER BY RADIANT HEAT TO SOFTEN THE LOW SOFTENING POINT MATERIAL TO FLUID CONDITION IN WHICH IT WETS PORTIONS OF SAID SURFACE OF THE HIGHER SOFTENING POINT PARTICLES AND TO SOFTEN THE HIGH SOFTENING POINT PARTICLES SUBSEQUENT TO THE SOFTENING OF THE LOW SOFTENING POINT MATERIAL, SAID FLUID LOW SOFTENING POINT MATERIAL ACTING BETWEEN THE HIGHER SOFTENING POINT PARTICLES AND SAID WETTED PORTIONS OF SAID SURFACE TO CONTROL THE ACTION OF SURFACE TENSION OF THE HEATED ADHESIVE TENDING TO DRAW THE MATERIAL INTO LARGE GLOBULES, CONCURRENTLY HEATING SAID SHOE BOTTOM, THEN BRINGING SAID OUTSOLE AND SAID SHOE BOTTOM TOGETHER WITH THE LAYER OF SOFTENED MATERIAL BETWEEN THEM, EXERTING PRESSURE ON THE SHOE AND OUTSOLE TO FORCE THE HEAT-SOFTENED MATERIAL INTO INTIMATE ENGAEMENT WITH BOTH THE OUTSOLE AND SHOE BOTTOM AND COOLING THE MATERIAL TO ESTABLISH RAPIDLY A STRONG UNION OF THE OUTSOLE AND SHOE.