JPS5750230A - Manufacture of metallic pipe for connector of communication cable - Google Patents

Manufacture of metallic pipe for connector of communication cable

Info

Publication number
JPS5750230A
JPS5750230A JP12489180A JP12489180A JPS5750230A JP S5750230 A JPS5750230 A JP S5750230A JP 12489180 A JP12489180 A JP 12489180A JP 12489180 A JP12489180 A JP 12489180A JP S5750230 A JPS5750230 A JP S5750230A
Authority
JP
Japan
Prior art keywords
hole
punch
pipe
round bar
forming
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
JP12489180A
Other languages
Japanese (ja)
Other versions
JPS59300B2 (en
Inventor
Akira Yamamoto
Yoshio Matsuda
Atsunari Ishibashi
Masahiro Suzuki
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.)
Fujikura Ltd
Original Assignee
Fujikura 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 Fujikura Ltd filed Critical Fujikura Ltd
Priority to JP12489180A priority Critical patent/JPS59300B2/en
Publication of JPS5750230A publication Critical patent/JPS5750230A/en
Publication of JPS59300B2 publication Critical patent/JPS59300B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To manufacture a highly accurate pipe for connector at low cost by forming a metallic round bar to a pipe by plastic deformation and after punching unnecessary part, forming tapered faces at both ends.
CONSTITUTION: A metallic round bar 10 is inserted into a die 12 provided with a forming hole, and the part above the first punch is formed to a plane and the lower edge is formed to a form that conforms to a circumferentially recessed groove 14. The round bar 10 is turned upside-down and the second punch 18 having a tapered face 2c is inserted and pressed to form a recessed hole 20 at one end of the round bar 10. It is then turned upside-down and a forming pin 22 is inserted into the hole 20. At the same time, it is pressed using the third punch 24 to form an auxiliary concave hole 26. Next, a punching pipe 29 is inserted and a punch 30 is inserted into the hole 20 to punch the thin part 27 and pass through a pipe hole. Then, a finisher is inserted to make plastic deformation of both ends of inside of the round bar 10 and a metallic pipe having a tapered face is completed.
COPYRIGHT: (C)1982,JPO&Japio
JP12489180A 1980-09-09 1980-09-09 Manufacturing method of metal pipe for communication cable connector Expired JPS59300B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12489180A JPS59300B2 (en) 1980-09-09 1980-09-09 Manufacturing method of metal pipe for communication cable connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12489180A JPS59300B2 (en) 1980-09-09 1980-09-09 Manufacturing method of metal pipe for communication cable connector

Publications (2)

Publication Number Publication Date
JPS5750230A true JPS5750230A (en) 1982-03-24
JPS59300B2 JPS59300B2 (en) 1984-01-06

Family

ID=14896654

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12489180A Expired JPS59300B2 (en) 1980-09-09 1980-09-09 Manufacturing method of metal pipe for communication cable connector

Country Status (1)

Country Link
JP (1) JPS59300B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5916646A (en) * 1982-07-17 1984-01-27 Okabe Co Ltd Manufacture of pipe having shake proof washer in both ends

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5916646A (en) * 1982-07-17 1984-01-27 Okabe Co Ltd Manufacture of pipe having shake proof washer in both ends

Also Published As

Publication number Publication date
JPS59300B2 (en) 1984-01-06

Similar Documents

Publication Publication Date Title
ES8402184A1 (en) Method for the local deforming of round tubes into tubes with flat sides, and die for doing the same.
JPS5750230A (en) Manufacture of metallic pipe for connector of communication cable
JPS5584233A (en) Pipe burring device
JPS5750231A (en) Manufacture of metallic pipe for connector of communication cable
JPS5436384A (en) Forming of end part of pipe
JPS54104092A (en) Improvement of punching accuracy
JPS5725224A (en) Production of watch parts
JPS5341668A (en) Joining method and equipment for non-standard profile steel rods
JPS5785617A (en) Working method for press fitting
JPS5650737A (en) Working method of thread-less coupling
JPS53112260A (en) Method and apparatus for manufacturing tihick-walled steel pipe by uoe system
JPS5725225A (en) Production of watch parts
JPS5717340A (en) Method for working of screwless coupling
JPS5747543A (en) Production of metallic pipe for communication cable connector
JPS51123463A (en) Fitting and manufacturing rope end clamp
JPS5747535A (en) Formation for openworked bulging
JPS5380076A (en) Method of pressing fit metal bar
JPS56114568A (en) Formation of collar, especially angular collar, at pipe
JPS561217A (en) Manufacturing apparatus for metal made polygonal cylinder
JPS54143759A (en) Method and apparatus for manufacture curved tube
JPS5639131A (en) Manufacture of coaxial reducing pipe
JPS51145081A (en) Method and device for shearing hollow materials
JPS56163050A (en) Pressing method of shaft having undercut
JPS5345782A (en) Method for pressing pole into hole
JPS56136367A (en) Printing method and die for fine diagram of metal foil