9(Unit: 100 million yen)6725154774892018201920202021Toggle seismic brace(Fiscal Year)(Unit: 100 million yen) 4784944384442019202020212022Disk shear-keyLens dampers are used in the seismic control of wooden structures. On each side of the steel plate, the center section is processed in the shape of a concave lens. This lens shape disperses seismic energy more efficiently and enables the damper to last for a long time even after repeated earthquakes. We also provide disk shear-keys, a joint element that can be used in a wide range of seismic reinforcement applications. Disk-shear keys can be used in seismic reinforcement structures (such as those using steel braces) and seismic control structures (such as those using hydraulic dampers), as well as in reinforced walls. The blast key method is also one of our technologies. It replaces the method in which the joint surface, such as the additional reinforced wall, is chipped. It is an eco-friendly construction method with low vibration and low noise.(Fiscal Year)433320182019Blast key construction method(Unit: 100 million yen)353522202020212022(Fiscal Year)Transition of orders receivedAs a ZEB Planner, we seek to achieve ZEB by saving energy at the design stage through the introduction of high-efficiency materials, devices, and control mechanisms, and the generation of energy via solar power and other means. Wooden buildings emit little carbon during construction. Wood also captures and stores carbon, which is expected to help prevent global warming. By utilizing our Lag+WOOD® technology, we will promote the design of fireproof wooden structures.By reducing building shaking and damage during earthquakes, toggle seismic braces protect people‘s lives, and also protect and enable the maintained function and uninterrupted use of the building, a valuable asset. In the Great East Japan Earthquake of 2011, buildings installed with toggle seismic braces demonstrated improved seismic performance. All the main structures of these buildings remained intact, and continue to be used as is today. TOBISHIMA’s InitiativesEfforts to achieve ZEB/ZEH and utilize the properties of woodUse of damping and earthquake-resistant technologies46845620222018Lens damper (embedded in wooden section)Transition of net salesTransition of gross profitTechnologies in the Building Construction BusinessOverview by BusinessBuilding Construction Business
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