Dispenser with heat exchanger at its discharge outlet

Claim 1

A HEAT EXCHANGE DEVICE IN COMBINATION WITH A DISPENSING CONTAINER FOR FLOWABLE SUBSTANCE, SAID CONTAINER HAVING CONTROL MEANS HAVING AN OUTLET FOR CONTROLLING THE FLOW OF SUBSTANCE FROM WITHIN SAID CONTAINER TO A REGION EXTERNAL THERETO, WHICH HEAT EXCHANGE DEVICE COMPRISES (A) A CUP-SHAPED MEMBER HAVING A BOTTOM WALL AND PERIPHERAL SIDE WALLS DEFINING A CAVITY THEREIN AND BEING FORMED OF MATERIAL HAVING SUBSTANTIAL THERMAL CAPACITY AND GOOD HEAT TRANSFER PROPERTIES, THE EXTERNAL SURFACES OF SAID CUP-SHAPED MEMBER BEING EXPOSED, (B) A CLOSURE MEMBER FORMING THE TOP WALL OF SAID CAVITY, (C) A CHANNEL MEMBER CONSISTING OF A SPIRALLY FORMED PLATE, WITH ITS UPPER AND LOWER EDGES IN GOOD THERMAL CONTACT, RESPECTIVELY, WITH SAID CLOSURE AND BOTTOM WALL, AND ITS TERMINAL PORTION IN GOOD THERMAL CONTACT WITH SAID PERIPHERAL SIDE WALLS, SAID CHANNEL MEMBER, TOGETHER WITH SAID CUP-SHAPED MEMBER AND SAID CLOSURE MEMBER FORMING A SINGLE ELONGATED CONDUIT, (D) AN INLET TO SAID CONDUIT AND AN OUTLET FROM SAID CONDUIT SPACED FROM SAID INLET AND LOCATED AT THE TERMINAL END OF SAID CONDUIT AND IN JUXTAPOSITION WITH A PORTION OF SAID PERIPHERAL SIDE WALLS, (E) MEANS COMMUNICATING BETWEEN THE OUTLET OF THE CONTROL MEANS AND THE CONDUIT INLET, (F) WHEREBY THE TEMPERATURE OF A QUANTITY OF THE SUBSTANCE DISPENSED FROM THE CONTAINER MAY BE ALTERED DURING DELIVERY FROM THE CONTAINER TO A UTILIZATION SITE BY FLOWING OVER THE EXTERNAL SURFACES OF THE CUPSHAPED MEMBER A HEATABLE FLUID HAVING A TEMPERATURE DIFFERENT FROM THAT OF THE BODY AND THEN OPENING THE CONTROL MEANS OF THE CONTAINER TO DISCHARGE SUBSTANCE INTO AND THROUGH THE CONDUIT TO A UTILIZATION SITE.