Apparatus for heating and setting hair

Claim 1

APPARATUS FOR APPLYING HEAT TO HAIR, SAID APPARATUS COMPRISING A HEATING MEMBER HAVING A SMOOTH OUTER SURFACE, MEANS CONNECTED TO SAID HEATING MEMBER TO HEAT THE SAME, A HAIR WINDER ADAPTED FOR BEING HEATED BY THE THUS HEATED MEMBER FOR TRANSFERRING HEAT TO HAIR WHICH IS WOUND AROUND THE WINDER, SAID WINDER COMPRISING A SUBSTANTIALLY TUBULAR CONTAINER HAVING ONE OPEN END AND AN OPPOSITE CLOSED END, A HOLLOW HEAT CONDUCTIVE SLEEVE IN THE CONTAINER HAVING AN OPEN END LOCATED AT THE OPEN END OF THE CONTAINER, SAID SLEEVE AND CONTAINER BEING JOINED TOGETHER TO DEFINE A COMPLETELY SEALED SPACE THEREBETWEEN, SAID SLEEVE HAVING A HIGHER THERMAL CONDUCTIVITY THAN THAT OF SAID CONTAINER, SAID SLEEVE HAVING AN INNER SURFACE OF SUBSTANTIALLY THE SAME CONTOUR AS THAT OF THE OUTER SURFACE OF THE HEATING MEMBER SUCH THAT THE HEATING MEMBER CAN BE INSERTED INTO SAID SLEEVE THROUGH THE OPEN END THEREOF AND THE OUTER SURFACE OF THE HEATING MEMBER CAN BE PLACED INTO INTIMATE CONTACT WITH THE INNER SURFACE OF THE SLEEVE FOR THE TRANSFER OF HEAT FROM THE HEATING MEMBER TO THE SLEEVE, AND HEAT ABSORBING MATERIAL COMPLETELY FILLING THE SEALED SPACE BETWEEN THE CONTAINER AND THE SLEEVE AND IN INTIMATE HEAT CONDUCTIVE CONTACT THEREWITH; THE APPARATUS FURTHER COMPRISING MEANS CONTROLLING THE MAGNITUDE OF HEAT SUPPLIED TO THE HEATING MEMBER SUCH THAT A TEMPERATURE OF BETWEEN 60 AND 130*C. MAY BE REACHED BY THE HEAT ABSORBING MATERIAL, SAID ABSORBING MATERIAL BEING FUSIBLE WITHIN THE LATTER TEMPERATURE RANGE AND HAVING A HIGH LATENT HEAT OF FUSION.