Nichias Corporation

Ken Yonaiyama

Takashi Nakajima

Tetsuya Mihara

Tomohiko Kishiki

Koji Iwata

Tetsuya Ishihara

Tatsuro Miki

Hideki Kitahara

Noboru Kobayashi

Kazuki Soeda

Takahito Mochida

Hideo Nagase

Yuta Isaka

Ikuo Abe

A heating deviceincluding a heat-generating memberand a support memberthat supports the heat-generating memberand comprises bio-soluble inorganic fibers, wherein the bio-soluble inorganic fibers do not contact directly the heat-generating memberor contact of the bio-soluble inorganic fibers with the heat-generating memberis reduced.

Heating device

Inorganic fibers including the following composition, SiO, AlO, MgO and CaO being main components, and the inorganic fibers being produced by a melting method: SiO: 3.0 wt % or more and less than 48.0 wt %, AlO: more than 20.0 wt % and 80.0 wt % or less, MgO: 1.0 wt % or more and 50.0 wt % or less, CaO: 1.0 wt % or more and 50.0 wt % or less, and FeO: 0.0 wt % or more and less than 1.0 wt %.

Biosoluble inorganic fiber

Inorganic fibers including the following composition, SiO, MgO and CaO being main components: SiO: 73.6 wt % to 85.9 wt %, MgO: 9.0 wt % to 21.3 wt %, CaO: 5.1 wt % to 12.4 wt %, AlO: 0 wt % or more and less than 2.3 wt %, and FeO: 0 wt % to 0.50 wt %.

Bio-soluble inorganic fiber

A wet blanket obtained by impregnating a blanket including bio-soluble inorganic fibers with a colloidal silica liquid. A cured blanket obtained by curing the wet blanket.

Wet blanket

An inorganic fibrous shaped refractory article having a high bio-solubility which is capable of exhibiting a desired heat resistance without containing expensive ceramic fibers, alumina powder and silica powder can be provided at a low production cost and with a low product price. An inorganic fibrous shaped refractory article includes 2 to 95 mass % of rock wool, 2 to 95 mass % of inorganic powder having a needle-like crystal structure and 3 to 32 mass % of a binder. Preferably, in the an inorganic fibrous shaped refractory article, the inorganic powder having a needle-like crystal structure has an average length of 1 to 3000 &#x3bc;m and an aspect ratio of 1 to 1000, and more preferably the inorganic powder having a needle-like crystal structure is wollostonite powder or sepiolite powder.

Inorganic fibrous molded refractory article, method for producing inorganic fibrous molded refractory article, and inorganic fibrous unshaped refractory composition

To provide a highly bio-soluble fibrous shaped refractory article which can develop desired heat resistance without containing ceramic fibers such as aluminum silicate fibers, alumina powder and silica powder and can be provided at a low production cost and a low product cost. An inorganic fibrous shaped refractory article comprising 2 to 95 mass % of bio-soluble inorganic fibers having a dissolution ratio in a physiological saline at 40&#xb0; C. of 1 mass % or more, 2 to 95 mass % of inorganic powder having a needle-like crystal structure and 3 to 32 mass % of a binder, and in particular, it is an inorganic fibrous refractory article wherein the inorganic powder having the needle-like crystal structure has an average length of 1 to 3000 &#x3bc;m and an aspect ratio of 1 to 1000.

Inorganic fiber paper including bio-soluble inorganic fibers which have been subjected to a heat treatment and a binder. A method for producing inorganic fiber paper including: the first step of subjecting amorphous bio-soluble inorganic fibers to a heat treatment; and the second step of making paper comprising the heat-treated bio-soluble inorganic fibers and a binder. Equipment for heating and/or thermal insulation which includes the inorganic fiber paper.

Paper comprising heat treated bio-soluble inorganic fibers, and method and equipment for making same

An adhesive for inorganic fibers including SiO, CaO and AlOwithin a range excluding the range I defined by the following points A, 8, 18, 19 and 20 in the SiO&#x2014;AlO&#x2014;CaO state diagram shown in FIG., and including no zeolite. Point A: SiO(0%), AlO(100%), CaO (0%): Point 8: SiO(20.8%), AlO(79.2%), CaO (0%): Point 18: SiO(46.3%), AlO(35.8%), CaO (17.9%): Point 19: SiO(31.5%), AlO(53.6%), CaO (14.9%): Point 20: SiO(25.2%), AlO(57.5%), CaO (17.3%).

Adhesive for inorganic fiber

Inorganic fiber paper includes first biosoluble inorganic fibers having an average fiber diameter of 3 to 7 &#x3bc;m, second biosoluble inorganic fibers having an average fiber diameter of 2 to 3 &#x3bc;m, and a binder, the average fiber diameter of the second biosoluble inorganic fibers being smaller than that of the first biosoluble inorganic fibers.

Growing community of inventors

Tokyo, Japan

Ken Yonaiyama