Mituo Nakamura Patent applications |
Patent application number | Title | Published |
20090169294 | Reinforcing Bar Connector - A reinforcing bar connector is capable of connecting reinforcing bars easily and in a short time without using a screw-tightening tool. The reinforcing bar connector has a reinforcing bar holding section having a female screw thread part screwed on a male screw part on the outer periphery of the reinforcing bar; a flat, plate-shaped engaging section extending in the direction of a center axis C from the reinforcing bar holding section; a locking projection provided on the engaging section; and a locking hole provided in the engaging section and allowing for engagement of the locking projection of another reinforcing bar connector to the locking hole. A stopper for preventing the locking projection from falling out of the locking hole is provided at a distal end of the locking projection. An attaching hole having an inner diameter through which the stopper can pass is formed next to the engaging hole. A communicating part through which the locking projection can pass is formed between the attaching hole and the locking hole. | 07-02-2009 |
20090028666 | Nut for Reinforcing Bar - A nut for a reinforcing bar capable of stably maintaining its screwed state with a reinforcing bar and enabling the reduction of its projecting portion from the end face of a structural body. The nut for a reinforcing bar ( | 01-29-2009 |