Kabushiki Kaisha Komatsu Seisakusho

Minoru Nakajima

Haruo Imamura

Satoshi Takashima

Shigetake Akanuma

Yoshitaka Ojiro

Hiroshi Kakuta

Akihiko Tsuzuku

Masao Tanazawa

Noboru Okuno

Masato Matsumoto

Takashi Takeuchi

Dust-proof membranes are provided across both ends of opposite respective divided surfaces defined by halves of wedge guide members. Each membrane has projections formed as an integral unit along the longitudinal side edges thereof. The projections are thrust into longitudinally extending C-shape cross-section grooves formed along the divided surfaces of the wedge guide members. The groove side surfaces are perpendicular to the bottom surface thereof.

Apparatus for mechanically breaking up rock

An earth and sand conveyor system comprising a hopper adapted to receive dumped earth and sand, a trough connected to the hopper, a screw conveyor rotatably mounted within the hopper and the trough, a consolidating pipe connected to the trough, a molding pipe connected to the consolidating pipe, a conveyor pipe connected to the molding pipe, a first nozzle formed in the wall of the molding pipe, a second nozzle formed in the wall of the conveyor pipe, an air compressor connected to the first and second nozzles, and a directional control valve disposed between the air compressor and the first and second nozzles for alternately supplying the compressed air to the first and second nozzles.

Earth and sand conveyor system

Growing community of inventors

Isehara, Japan

Minoru Nakajima