Patents Assigned to Inoue Sudare Co., Ltd.
-
Publication number: 20150137517Abstract: To provide a pipe joint construction with which swift and strong connection is possible without flare work on an end portion when a pipe composed of aluminum, a pipe joint construction provided with a joint main body 1 with a male screw and a cap nut 3 screwed to a male screw 2 of the joint main body 1 to connect an aluminum pipe 4, has a cylindrical compressed deformation sleeve 7, stored in an inner storing space 10 of the cap nut 3 and having a concave peripheral groove 9 on a peripheral face 8, in which a bottom thin wall portion 13 of concave groove, receiving compressing force F in axial direction from the joint main body 1 and the cap nut 3 when the cap nut 3 and the male screw 2 of the joint main body are screwed, is plastically deformed in a radial inner direction to bite into a peripheral face 14 of an inserted aluminum pipe 4 for stopping the aluminum pipe 4.Type: ApplicationFiled: May 13, 2013Publication date: May 21, 2015Applicants: INOUE SUDARE CO., LTD., HIGASHIO MECH CO., LTD.Inventor: Hiroshi Inoue
-
Publication number: 20140070531Abstract: To provide a pipe joint having sufficient pipe drawing force, a pipe-fastening ring unit U of double elastic construction, having a C-shaped fastening ring body for clamping as an inner layer and a C-shaped elastic mounted body 10 to augment clamping force added as an outer layer of the elastic fastening ring body 5, is provided.Type: ApplicationFiled: March 14, 2012Publication date: March 13, 2014Applicants: INOUE SUDARE CO., LTD., SEKISUI CHEMICAL CO., LTD., HIGASHIO MECH CO., LTD.Inventors: Hiroshi Inoue, Tomokazu Hagino, Kiyokazu Takahashi, Katsuyuki Masui
-
Patent number: 7090256Abstract: A pipe joint provided with a joint main body having a male screw portion and a cap nut screwed on the male screw portion of the joint main body. And, the pipe joint has a C-shaped stop ring having an opening on its periphery. The stop ring, having an inner blade to cut a concave groove on a peripheral face of a pipe, is disposed as a peripheral face contacts a tapered inner face of a hole portion of the cap nut. Further, a co-rotation means is provided to rotate the cap nut and the stop ring together.Type: GrantFiled: September 30, 2004Date of Patent: August 15, 2006Assignees: Inoue Sudare Co., Ltd., Higashio Mech Co., Ltd.Inventor: Hiroshi Inoue
-
Publication number: 20050073148Abstract: A pipe joint provided with a joint main body having a male screw portion and a cap nut screwed on the male screw portion of the joint main body. And, the pipe joint has a C-shaped stop ring having an opening on its periphery. The stop ring, having an inner blade to cut a concave groove on a peripheral face of a pipe, is disposed as a peripheral face contacts a tapered inner face of a hole portion of the cap nut. Further, a corotation means is provided to rotate the cap nut and the stop ring together.Type: ApplicationFiled: September 30, 2004Publication date: April 7, 2005Applicants: INOUE SUDARE CO., LTD, HIGASHIO MECH CO., LTD.Inventor: Hiroshi Inoue
-
Patent number: 6726253Abstract: A pipe joint provided with a pipe joint main body having an insertion cylinder portion inserted to an end portion of a pipe to be connected, a seal member attached to a peripheral groove on the insertion cylinder portion, a clamp ring with a slit for fastening the end portion of the pipe outserted to the insertion cylinder portion with elastic fastening force, and a diameter-extension piece detachably held at the slit as to extend the clamp ring resisting the elastic force of the clamp ring and detached by contact with a forth end of the pipe.Type: GrantFiled: July 24, 2002Date of Patent: April 27, 2004Assignees: Higashio Mech Co., Ltd., Inoue Sudare Co., Ltd.Inventors: Hiroshi Inoue, Akio Yasuda, Takao Shibata
-
Patent number: 6443500Abstract: A pipe joint provided with a pipe joint main body having an insertion cylinder portion inserted to an end portion of a pipe to be connected, a seal member attached to a peripheral groove on the insertion cylinder portion, a clamp ring with a slit for fastening the end portion of the pipe outserted to the insertion cylinder portion with elastic fastening force, and a diameter-extension piece detachably held at the slit as to extend the clamp ring resisting the elastic force of the clamp ring and detached by contact with a forth end of the pipe.Type: GrantFiled: September 14, 2000Date of Patent: September 3, 2002Assignees: Higashio Mech Co., LTD, Inoue Sudare Co., LTDInventors: Hiroshi Inoue, Akio Yasuda, Takao Shibata