Ohara, Inc.

Ikeda Bussan Co. Ltd.

Futoshi Ishizaki

Shigeki Fukuda

Kenji Sugizaki

Masayoshi Chihaya

Masao Kaji

A preform for an optical element is provided which involves less amount of deformation of glass in molding, and readily improves lifetime of the mold. The present preform for molding an optical glass elementexhibits an almost circular shape having a predetermined diameter in top view, exhibits a flattened semicircular shape having a predetermined overall height in side view, has a concave face on the top surface such that the predetermined overall height is attained at approximately the central position of the aforementioned circular shape, and has a concave face so as to fit along the convex face of the top surface such that a space is provided on the bottom face. The under surface may be either a concave face or a convex face. Also, the top surface may be either a concave face or a convex face.

Preform for optical element and optical element

An airbag restraint system for protecting a vehicle passenger in the event of a vehicle serious collision from the lateral side direction of the vehicle. The system comprises an airbag which is disposed at each of doors and a center console located at a center portion between right and left seats. An acceleration sensor is disposed at each of lateral sides of the vehicle to detect side directional impact to the vehicle. When the vehicle is crashed at the one lateral side of the vehicle, the airbags at an impacted side and the center airbag are inflated. Similarly, when the vehicle is crashed at the the other lateral side of the vehicle, the impacted side airbags and the center airbag are inflated.

Growing community of inventors

Kanagawa, Japan

Futoshi Ishizaki