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:
Oct. 22, 2024

Filed:

Oct. 07, 2022
Applicant:

Hanil Tube Corporation, Incheon, KR;

Inventors:

Seong-hwa Choo, Incheon, KR;

Sung-ryong Eom, Gyeonggi-do, KR;

Dong-hyeok Lee, Gyeonggi-do, KR;

Iris Barthel, Schauenburg, DE;

Paul Polinski, Kassel, DE;

Kay Bube, Schenklengsfeld, DE;

André Häckel, Waldeck, DE;

Assignee:

Hanil Tube Corporation, Incheon, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 37/32 (2006.01); F16L 37/088 (2006.01); B60L 58/26 (2019.01); F16L 37/12 (2006.01); F16L 37/35 (2006.01);
U.S. Cl.
CPC ...
F16L 37/32 (2013.01); F16L 37/0885 (2019.08); B60L 58/26 (2019.02); F16L 37/1225 (2013.01); F16L 37/35 (2013.01);
Abstract

A coupling bushing includes a bushing body and a retainer for locking a coupling plug into the bushing body. The bushing body has a connecting section and a coupling section, wherein the connecting section and the coupling section are fluidically connected with each other via an inner channel. A bushing valve is arranged in the inner channel (), wherein the bushing valve () comprises a valve holder, an axially movable valve body and a valve seat. The retainer has at least one latching element, wherein the at least one latching element has a resiliently elastic design. The at least one latching element is designed to engage with a coupling plug.


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