The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 03, 2022

Filed:

May. 15, 2019
Applicant:

Shonan Gosei-jushi Seisakusho K.k., Hiratsuka, JP;

Inventors:

Takao Kamiyama, Hiratsuka, JP;

Makoto Ishida, Hiratsuka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 3/08 (2006.01); F16L 3/10 (2006.01); F16B 2/08 (2006.01); E04G 7/14 (2006.01); F16B 7/04 (2006.01);
U.S. Cl.
CPC ...
F16B 2/08 (2013.01); E04G 7/14 (2013.01); F16B 7/04 (2013.01); F16L 3/08 (2013.01); F16L 3/10 (2013.01);
Abstract

One cylindrical pipe is inserted into the hollow cylindrical portions of first and second holders made of hard plastic, and the other cylindrical pipe is inserted into the hollow semi-cylindrical portions. The first and second pipe holders are butted together at butt surfaces, respectively. The cylindrical pipe inserted into the butted hollow cylindrical portions is held in the hollow cylindrical portions using a clamping tool, and the cylindrical pipe inserted into a cylindrical portion that becomes hollow cylindrical by butting is held in the hollow semi-cylindrical portions using the clamping tool.


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