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Inventor: Nobuhito Hirakawa


Address: Sanda, JP
No. of patents: 3
Last patent issue date: 04/22/2003

NumberTitleIssue Date
6550119Inner ring press-insertion jig for a pipe member made of resin
A press insertion rod is passed through and supported by a press insertion rod supporting portion of a jig body in an advanceable and retractable manner. An inner ring which is to be pressingly inserted into one end portion of a pipe member made of resin ...
04/22/2003
6485062Multi-channel rotary joint
A multi-channel rotary joint comprising-elastic seal rings each having an annular groove that are used to form a low-pressure channel space and a high-pressure channel space between the opposing peripheral surfaces of a joint housing and a rotator that ro...
11/26/2002
6079581Fuel feed port sealing apparatus
A sealing member is provided at an inner periphery sealing portion thereof with an inner tube portion arranged to be moved toward a fuel feed port inner side with the insertion of a fuel feed nozzle and to be moved toward a fuel feed port opening side wit...
06/27/2000
 
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