Honda Giken Kogyo Kabushiki Kaisha

Takeshi Imura

Shigemitsu Nakabayashi

Katsuhiko Ando

Masahiro Inoue

Shigeo Kaiho

Kazuya Sakamoto

Hitoshi Karasawa

Masanobu Ishikawa

Kouji Tanaka

Takahiro Suenaga

Kanji Murata

Syugo Kondo

Masaki Sakakibara

Takashige Hara

Maki Hirose

A process for producing a cylindrical reinforcing fibrous molding by sealing openings at opposite ends of a porous cylindrical disintegratable mold, immersing the mold into an aqueous solution of a molding material containing reinforcing fibers and an inorganic binder, and depositing the molding material onto the outer peripheral surface of the mold by applying suction within the mold to form a molding blank; pressing the molding blank against the mold to adjust the shape of the molding blank; disintegrating the mold to remove it from the blank; and heating the molding blank to partially bond the reinforcing fibers with the inorganic binder.

Process for producing cylindrical reinforcing fibrous molding

The temperature of a casting die is controlled in a low-pressure casting process for pressurizing the surface of molten metal stored in a closed container to fill the molten metal in a die cavity defined in the casting die. The temperature of the casting die is detected by a temperature sensor, and compared with a preset reference die temperature range. The amount of cooling water to be supplied to the casting die is controlled based on the result of the comparison. When the detected temperature of the casting die falls in the preset reference die temperature range, the molten metal starts to be filled in the die cavity.

Method of and apparatus for controlling die temperature in low-pressure

A light metal alloy such as an aluminum alloy is cast into a casting such as an automobile engine cylinder head under low pressure. A fluid pressure is applied to the surface of a light metal alloy stored in a closed container to introduce the light metal alloy from the closed container through a transfer tube and a sprue into a mold cavity defined in a mold assembly. The introduced molten metal alloy is brought into contact with molds of the mold assembly which have different thermal conductivities, respectively. The time in which the molten metal alloy is solidified is controlled by the molds of different thermal conductivities. The molds may forcibly be cooled by a cooling medium passing therethrough or cooling blocks mounted thereon.

Method of and apparatus for low-pressure casting of light metal alloy

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Sayama, Japan

Takeshi Imura