Patent ID: 7641769
Filing Date: 2010-01-05
Classification: D21F

Abstract:
1. A dehydrator with pressurization, which comprises a suction box, a water permeability sheet, and a pair of presses, wherein: the suction box comprises a frame member with a bottom plate, plural bridge members, plural spacer members and a pair of fixture members, wherein the frame member with the bottom plate comprises a bottom plate portion, an outer frame portion formed circumferentially of the bottom plate portion and plural elongated protruding portions formed on the bottom plate portion, wherein the plural elongated protruding portions are parallel to each other and are elongated from one end towards another end, wherein the plural bridge members are parallel to each other and are rectangular in a direction that is perpendicular to the elongated protruding portions formed on the bottom plate portion, wherein the plural spacer members are placed on each of the elongated protruding portions in intervals between the bridge members, and wherein the pair of fixture members is installed in ends of the bridge members and the bridge members are fixed in the frame member with the bottom plate; the water permeability sheet is placed over the suction box; and the pair of presses pressurizes the suction box, the water permeability sheet and the intermediate of inorganic building board containing water.