JPH0426610U - - Google Patents

Info

Publication number
JPH0426610U
JPH0426610U JP6517890U JP6517890U JPH0426610U JP H0426610 U JPH0426610 U JP H0426610U JP 6517890 U JP6517890 U JP 6517890U JP 6517890 U JP6517890 U JP 6517890U JP H0426610 U JPH0426610 U JP H0426610U
Authority
JP
Japan
Prior art keywords
plug
tube
dummy plug
grooving
cylindrical part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP6517890U
Other languages
Japanese (ja)
Other versions
JPH0638569Y2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990065178U priority Critical patent/JPH0638569Y2/en
Publication of JPH0426610U publication Critical patent/JPH0426610U/ja
Application granted granted Critical
Publication of JPH0638569Y2 publication Critical patent/JPH0638569Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Metal Extraction Processes (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は一実施例を示し、イは溝付け用プラグ
の前進時を、ロは後退時を示す。第２図は従来の
溝付け用プラグの第１例を示し、イは転造ロール
の前進時を、ロは後退時を示す。第３図は従来の
溝付け用プラグの第２例を示し、イは溝付け用プ
ラグの前進時を、ロは後退時を示す。第４図は従
来の溝付け用プラグの第３例を示し、イは溝付け
用プラグの前進時を、ロは後退時を示す。 １１……ローラ（転動体）、１６……原管（管
）、１７……溝付け用プラグ、１８……ダミープ
ラグ、１９……円筒部、２０……斜め溝（溝）。 FIG. 1 shows one embodiment, in which A shows the grooving plug when it moves forward, and B shows when it retreats. FIG. 2 shows a first example of a conventional grooving plug, in which A shows the rolling roll when it moves forward, and B shows when the rolling roll moves backward. FIG. 3 shows a second example of a conventional grooving plug, in which A shows the grooving plug when it moves forward, and B shows when it retreats. FIG. 4 shows a third example of a conventional grooving plug, in which A shows the grooving plug when it moves forward, and B shows when it retreats. DESCRIPTION OF SYMBOLS 11... Roller (rolling element), 16... Original tube (pipe), 17... Grooving plug, 18... Dummy plug, 19... Cylindrical portion, 20... Diagonal groove (groove).

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 管の外周面に圧接して円周方向に転動する転動
体と共働して管の内面に溝を形成する溝付け用プ
ラグであつて、ダミープラグと、このダミープラ
グの後端に同心に接続する、ダミープラグより大
径の円筒部とからなり、円筒部の前半部には溝が
形成されていることを特徴とする管内面への溝付
け用プラグ。 A grooving plug that forms grooves on the inner surface of a tube by working with rolling elements that press against the outer circumferential surface of the tube and roll in the circumferential direction, and includes a dummy plug and a groove concentric to the rear end of the dummy plug. A plug for grooving the inner surface of a tube, comprising a cylindrical part having a larger diameter than the dummy plug, which is connected to the dummy plug, and a groove is formed in the front half of the cylindrical part.
JP1990065178U 1990-06-20 1990-06-20 Rolling machine with internal groove Expired - Lifetime JPH0638569Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990065178U JPH0638569Y2 (en) 1990-06-20 1990-06-20 Rolling machine with internal groove

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990065178U JPH0638569Y2 (en) 1990-06-20 1990-06-20 Rolling machine with internal groove

Publications (2)

Publication Number Publication Date
JPH0426610U true JPH0426610U (en) 1992-03-03
JPH0638569Y2 JPH0638569Y2 (en) 1994-10-12

Family

ID=31596778

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990065178U Expired - Lifetime JPH0638569Y2 (en) 1990-06-20 1990-06-20 Rolling machine with internal groove

Country Status (1)

Country Link
JP (1) JPH0638569Y2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6033814A (en) * 1983-08-05 1985-02-21 Hitachi Cable Ltd Processing equipment for metal tubes with internal grooves

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6033814A (en) * 1983-08-05 1985-02-21 Hitachi Cable Ltd Processing equipment for metal tubes with internal grooves

Also Published As

Publication number Publication date
JPH0638569Y2 (en) 1994-10-12

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