JPS6427525A - Carpet maintenance machinery - Google Patents

Abstract

PURPOSE: To sufficiently attain the direct advance force of steam to reach a deep section by throttling the steam generated by a steam generator with a steam jet nozzle having a tapered cross section, spouting it from a jet port, and infiltrating it to the deep section of a carpet. CONSTITUTION: Water fed by a water feed pump 36 to the first vaporization chamber 29 and temperature-adjusted at the steam generation optimum temperature by a temperature regulator 31 is vaporized in the first vaporization chamber 29, and the steam is spouted to the second vaporization chamber 30 through a hole 28. The spouted steam is further heated and expanded in the second vaporization chamber 30, and it is spouted into the outside air from a steam jet nozzle 32. The steam heated and expanded in the second vaporization chamber 30 is throttled in a steam jet port 34 having a tapered cross section, the direct advance force is increased, and the steam is sprayed to the deep section of piles 33. The high-temperature, high-pressure steam is not dispersed at the steam jet port 34, the direct advance force is increased, it can be infiltrated to the deep section of the piles 33 of a carpet, and effective miticidal and gigging performance is attained.