Ckd Corporation

Yodogawa Hu-tech Co., Ltd.

Naoyuki Oba

Hiroki Iwata

Katsumi Ogawa

Akihiro Yamamoto

The present invention provides a checking tool for a tube coupler with which it is possible to visually check an attachment state of the tube coupler. A checking toolfor a tube coupler according to the present invention is a checking tool configured to be attached to a tube coupler, the tube coupler being formed of a first coupling pieceand a second coupling piecehingedly connected to each other so as to be able to be opened and closed, being configured to couple tubes to each other with use of the first coupling piece and the second coupling piece, and having hook piecesandthat are provided protruding from outer circumferential surfaces of the first coupling piece and the second coupling piece. The checking tool includes a pair of longitudinal framesthat conform to an outer circumferential surface of the tube coupler, a first lateral framethat connects end portions at one end of the pair of longitudinal frames to each other, a second lateral framethat connects end portions at the other end of the pair of longitudinal frames to each other, a first claw piecethat is provided protruding from the first lateral frame toward the second lateral frame, and a second claw piecethat is provided protruding from the second lateral frame toward the first lateral frame.

Checking tool for tube coupler

The present invention provides a clamping jig for tube connection with which it is possible to clamp tubes even in a small and narrow space. A clamping jig for tube connectionaccording to the present invention is a clamping jig for tube connection that clamps joint-equipped tubes, each tube including a protruding collar portionat a position rearward of its leading end. The clamping jig for tube connection includes: a first memberthat includes a first clamping portionthat is provided at a leading end thereof and to which one of the tubes is fitted, and a first gripping portionformed at a base end thereof, a second memberthat includes a second clamping portionthat is provided at a leading end thereof and to which the other tube is fitted, and a base end thereof being pivotally supported at the base end of the first member by a pivoting portion; a support rodthat extends from the first member through the second member; and a lever memberin which a leading end thereof is pivotally supported by a support portionprovided in the support rod, and a lever gripping portionis formed at a base end thereof, the lever memberenabling swinging of the lever gripping portion in a direction of the base end of the second member, and the lever memberincluding a pressing portionthat presses the second member on the base end side relative to the support portion.

Growing community of inventors

Suita, Japan

Naoyuki Oba