SUMIHATSU CO., LTD.

The most important tasks of railway transportation are improvements of high speed comfortableness, and safety. Turnouts support those tasks and are essential devices to operate cars safely under the complicating diagram conditions.
Sumihatsu uses automatic equipment (up-to-date equipment including machining center) to realize automatic production of large sized products, intending to maintain high accuracy and performance of devices, as the top manufacturer of turnouts. Furthermore, Sumihatsu encourage research and developments for manpower saving of railway maintenance and automation technology.

Is an important device to safely manipulate traincars. Sumihatsu deals with integrated process including design, manufacture, and assemble of turnouts, and delivers them to customers.

Are used widely for Shinkansen, ordinal railways, cranes, elevators, etc. Sumihatsu manufactures rail fastenings made of materials for leaf spring and/or bar spring, and delivers them locally and abroad.


	Is made of unsaturated polyester penetrated polyurethane foam, and glass fiber, and formed by metal mold. It is highly evaluated and accepted by customers with less noise and vibration.

(SIZE:317KB)


	Diagonal adhesion insulated rail has been newly developed which decreases maintenance time (flow removal) of rail insulation as well as noise and vibration. This was already installed at several points and receives good evaluation from customers.

(SIZE:395KB)


	Two types (for rail and indirect point) for of parts to avoid non-conversion by creeping are being manufactured: one is boltless anti-creeper to be mounted to rail, and the other is right angle anti-dislocation jig to be used at indirect points with other parts.


	Has been developed, together with customers, to decrease maintenance time of turnout point and to avoid non-conversion. Ladder type turnout using our own composite sleeper is being used at test field for further improvement, as a next generation turnout.