Patent ID: 7730909

Claim:
An accessory for a machine that generates a vapor, the accessory comprising: an elongated member; and a coupling formed on one end of the elongated member, and comprising an intermediate member configured to releasably interconnect the elongated member to an outlet nozzle of a vapor generator; the intermediate member comprising a valve that includes a movable member configured to: seal the intermediate member to prevent the generated vapor from escaping when the intermediate member does not interconnect the outlet nozzle to the elongated member; and allow the generated vapor to pass into the elongated member when the intermediate member does interconnect the outlet nozzle to the elongated member; and one or more perforations formed in a sidewall of the elongated member to emit a vapor generated by the vapor generator, and arranged along the sidewall such that the emitted vapor rises above the elongated member as a curtain of smoke.