JPS571647A - Pipe inner surface grinder - Google Patents

Pipe inner surface grinder

Info

Publication number
JPS571647A
JPS571647A JP15888780A JP15888780A JPS571647A JP S571647 A JPS571647 A JP S571647A JP 15888780 A JP15888780 A JP 15888780A JP 15888780 A JP15888780 A JP 15888780A JP S571647 A JPS571647 A JP S571647A
Authority
JP
Japan
Prior art keywords
pipe
ground
wound
grinder
emery cloth
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.)
Pending
Application number
JP15888780A
Other languages
Japanese (ja)
Inventor
Takeshi Saigo
Hiroyasu Takizawa
Ryoji Maruyama
Morimasu Kaneda
Akiyoshi Matsushita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan Ltd
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 by NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP15888780A priority Critical patent/JPS571647A/en
Publication of JPS571647A publication Critical patent/JPS571647A/en
Pending legal-status Critical Current

Links

Landscapes

  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Abstract

PURPOSE: To grind the inner surface of long pipe in full length evenly and smoothly, expanding emery cloth wound on the outer surface of the grinding head partially and radially to push to the inner surface of pipe by compressed fluid, in the inner surface grinder for small sized long pipe.
CONSTITUTION: After emery cloth 24 has been wound on the outer surface of outer sleeve 13 of grinder head 4, reversing grinder head 4 to the initial grinding end of pipe to be ground with the bar feeding equipment, positioning window 23 of grinder head 4 in the retreated position from the pipe end to be ground. Next, compressed fluid is ejected from nozzle 19 through supply hose 9, supporting lever 3 of inner pipe bar 6 and inner pipe 14. Elastic expansion element 20 installed on the outer surface of inner pipe is pressurized from inside by this ejection, a part of elastic expansion element 20 under window 23 of outer surface 13 is expanded outward from window 23. The circumference of emery cloth 24 wound on the outer pipe 13 is expanded radially by expansion, pushing it to the inner surface of pipe to be ground, the inner surface in full length is ground evenly.
COPYRIGHT: (C)1982,JPO&Japio
JP15888780A 1980-11-13 1980-11-13 Pipe inner surface grinder Pending JPS571647A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15888780A JPS571647A (en) 1980-11-13 1980-11-13 Pipe inner surface grinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15888780A JPS571647A (en) 1980-11-13 1980-11-13 Pipe inner surface grinder

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP3085776A Division JPS5944177B2 (en) 1976-03-23 1976-03-23 Tube inner surface polishing method and device

Publications (1)

Publication Number Publication Date
JPS571647A true JPS571647A (en) 1982-01-06

Family

ID=15681548

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15888780A Pending JPS571647A (en) 1980-11-13 1980-11-13 Pipe inner surface grinder

Country Status (1)

Country Link
JP (1) JPS571647A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS559983A (en) * 1978-08-30 1980-01-24 Toyo Seisakusho Kk Apparatus for setting concrete inner frame for bridge beam
JPS60263658A (en) * 1984-05-29 1985-12-27 ウエスチングハウス　エレクトリック　コ−ポレ−ション Bottle-shaped drilling-section grinder for drilling spindle
JPS61260972A (en) * 1985-05-13 1986-11-19 Jiro Furusho Method for machining internal surface of pipe and device therefor
KR100812989B1 (en) 2006-06-20 2008-03-13 (주)로커스 Polishing wheel
CN112894500A (en) * 2021-01-14 2021-06-04 邓耀华 Processing system before municipal administration sewage pipes erection joint

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS559983A (en) * 1978-08-30 1980-01-24 Toyo Seisakusho Kk Apparatus for setting concrete inner frame for bridge beam
JPS60263658A (en) * 1984-05-29 1985-12-27 ウエスチングハウス　エレクトリック　コ−ポレ−ション Bottle-shaped drilling-section grinder for drilling spindle
JPH037453U (en) * 1984-05-29 1991-01-24
JPS61260972A (en) * 1985-05-13 1986-11-19 Jiro Furusho Method for machining internal surface of pipe and device therefor
KR100812989B1 (en) 2006-06-20 2008-03-13 (주)로커스 Polishing wheel
CN112894500A (en) * 2021-01-14 2021-06-04 邓耀华 Processing system before municipal administration sewage pipes erection joint

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