JP2002066673A5 - - Google Patents

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Publication number
JP2002066673A5
JP2002066673A5 JP2000254972A JP2000254972A JP2002066673A5 JP 2002066673 A5 JP2002066673 A5 JP 2002066673A5 JP 2000254972 A JP2000254972 A JP 2000254972A JP 2000254972 A JP2000254972 A JP 2000254972A JP 2002066673 A5 JP2002066673 A5 JP 2002066673A5
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JP
Japan
Prior art keywords
pipe material
mold
blade
groove
recessed portion
Prior art date
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Application number
JP2000254972A
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Japanese (ja)
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JP2002066673A (en
JP3509722B2 (en
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Priority to JP2000254972A priority Critical patent/JP3509722B2/en
Priority claimed from JP2000254972A external-priority patent/JP3509722B2/en
Publication of JP2002066673A publication Critical patent/JP2002066673A/en
Application granted granted Critical
Publication of JP3509722B2 publication Critical patent/JP3509722B2/en
Publication of JP2002066673A5 publication Critical patent/JP2002066673A5/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Claims (4)

パイプ材を金型で保持すると共に、該パイプ材の中空部内に芯型を挿入し、刃型に設けられた略直角三角形状の傾斜刃および矩形状の垂直刃を、前記芯型に設けられた傾斜溝用凹部および垂直凹部にそれぞれ嵌合するようにプレスして、パイプ材の外周面に略直角三角形状の傾斜溝と矩形状の垂直溝とを成形する方法において、
前記傾斜溝用凹部を水平面と垂直面とからなる矩形凹部とし、成形される傾斜溝により前記矩形凹部の空間部を三角形状にするようにプレスすることを特徴とするパイプ材の溝成形方法。The pipe material is held by a mold, and a core mold is inserted into the hollow portion of the pipe material, and a substantially right-angled triangular inclined blade and a rectangular vertical blade provided in the blade mold are provided in the core mold. In the method of forming the inclined groove and the rectangular vertical groove on the outer peripheral surface of the pipe material by pressing so as to fit into the recessed portion for the inclined groove and the vertical recessed portion,
A pipe material groove forming method, wherein the inclined groove recessed portion is a rectangular recessed portion formed of a horizontal surface and a vertical surface, and the inclined groove formed is pressed so that the space portion of the rectangular recessed portion has a triangular shape. パイプ材を金型の上型と下型とで上下から挟持して固定すると共に、該パイプ材の中空部内に芯型を嵌入し、上型または下型に形成した型孔に刃型を挿通し、刃型に設けられた略直角三角形状の傾斜刃および矩形状の垂直刃を、前記芯型に設けられた傾斜溝用凹部および垂直凹部にそれぞれ嵌合するようにプレスして、パイプ材の外周面に略直角三角形状の傾斜溝と矩形状の垂直溝とを成形する方法において、
前記傾斜溝用凹部を水平面と垂直面とからなる矩形凹部とし、成形される傾斜溝により前記矩形凹部の空間部を三角形状にするようにプレスすることを特徴とするパイプ材の溝成形方法。The pipe material is clamped between the upper and lower molds of the mold from above and below, and the core mold is inserted into the hollow portion of the pipe material, and the blade mold is inserted into the mold hole formed in the upper mold or the lower mold. Then, the pipe material is pressed by pressing the substantially right-angled triangular inclined blade and the rectangular vertical blade provided in the blade mold so as to be fitted in the inclined groove concave portion and the vertical concave portion provided in the core mold, respectively. In the method of forming a substantially right-angled triangular inclined groove and a rectangular vertical groove on the outer peripheral surface of
A pipe material groove forming method, wherein the inclined groove recessed portion is a rectangular recessed portion formed of a horizontal surface and a vertical surface, and the inclined groove formed is pressed so that the space portion of the rectangular recessed portion has a triangular shape. 前記傾斜刃の、パイプ材側頂点部にパイプ材に平行に突出する突起刃を設けてプレスすることにより、前記傾斜溝の直角面を、該突起刃を設けない場合と比較してパイプ材の外周面に対して直角または直角に近い角度に成形することを特徴とする請求項１又は２に記載のパイプ材の溝成形方法。By providing and pressing a projecting blade projecting parallel to the pipe material at the apex portion on the pipe material side of the inclined blade, the right angle surface of the inclined groove is compared with the case where the projecting blade is not provided. 3. The pipe material groove forming method according to claim 1, wherein the pipe material is formed at a right angle or an angle close to a right angle with respect to the outer peripheral surface. 前記芯型の一方側面に切欠部を形成し、前記プレス後、芯型を前記パイプ材から抜き出し易くしてなることを特徴とする請求項１乃至３のうちいずれか一つに記載のパイプ材の溝成形方法。The pipe material according to any one of claims 1 to 3, wherein a notch portion is formed on one side surface of the core mold, and the core mold is easily extracted from the pipe material after the pressing. Groove forming method.
JP2000254972A 2000-08-25 2000-08-25 Groove forming method for pipe material Expired - Lifetime JP3509722B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000254972A JP3509722B2 (en) 2000-08-25 2000-08-25 Groove forming method for pipe material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000254972A JP3509722B2 (en) 2000-08-25 2000-08-25 Groove forming method for pipe material

Publications (3)

Publication Number Publication Date
JP2002066673A JP2002066673A (en) 2002-03-05
JP3509722B2 JP3509722B2 (en) 2004-03-22
JP2002066673A5 true JP2002066673A5 (en) 2004-11-18

Family

ID=18743836

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000254972A Expired - Lifetime JP3509722B2 (en) 2000-08-25 2000-08-25 Groove forming method for pipe material

Country Status (1)

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JP (1) JP3509722B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3706865B2 (en) * 2003-04-01 2005-10-19 有限会社オダ技商 Pipe material groove forming method
JP4477695B1 (en) * 2009-10-21 2010-06-09 有限会社オダ技商 Pipe material groove forming method

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