パイプの端部構造及びパイプの端部加工方法

Title:

パイプの端部構造及びパイプの端部加工方法

Document Type and Number:

Japanese Patent JP4009261

Kind Code:

B2

Abstract:

To provide a structure of an end portion of a pipe, which structure can mount a sealing material without damaging the sealing material.

A radial wall portion 4 continuously formed on a base circular pipe portion K, a first large diameter portion 1, an annular recessed groove formed wall portion 5, a second large diameter portion 2, a rounded portion 6, and an inward flange portion 7 are continuously and integrally formed in that order. The outer peripheral surface of the first large diameter portion 1, the outer peripheral surface of the second large diameter portion 2, and the axial outer end surface of the inward flange portion 7 are mirror shape squeezed surfaces. The outer peripheral surface of the rounded portion 6 is a roughly formed surface.

Inventors:

Fukuoka good victory
Hiroki Shibahara

Application Number:

JP2004065834A

Publication Date:

November 14, 2007

Filing Date:

March 09, 2004

Export Citation:

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