KR960010127U - Apparatus for forming a curved connection part of a large-diameter tube having a spherical curved connection part - Google Patents

Apparatus for forming a curved connection part of a large-diameter tube having a spherical curved connection part

Info

Publication number
KR960010127U
KR960010127U KR2019940023500U KR19940023500U KR960010127U KR 960010127 U KR960010127 U KR 960010127U KR 2019940023500 U KR2019940023500 U KR 2019940023500U KR 19940023500 U KR19940023500 U KR 19940023500U KR 960010127 U KR960010127 U KR 960010127U
Authority
KR
South Korea
Prior art keywords
connection part
curved connection
forming
diameter tube
spherical
Prior art date
Application number
KR2019940023500U
Other languages
Korean (ko)
Other versions
KR0112407Y1 (en
Inventor
마종남
Original Assignee
마종남
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 마종남 filed Critical 마종남
Priority to KR2019940023500U priority Critical patent/KR0112407Y1/en
Publication of KR960010127U publication Critical patent/KR960010127U/en
Application granted granted Critical
Publication of KR0112407Y1 publication Critical patent/KR0112407Y1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends
    • B21D41/02—Enlarging
    • B21D41/021—Enlarging by means of tube-flaring hand tools
    • B21D41/023—Enlarging by means of tube-flaring hand tools comprising rolling elements
KR2019940023500U 1994-09-12 1994-09-12 The curved surface manufacture machine of steel pipe KR0112407Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019940023500U KR0112407Y1 (en) 1994-09-12 1994-09-12 The curved surface manufacture machine of steel pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019940023500U KR0112407Y1 (en) 1994-09-12 1994-09-12 The curved surface manufacture machine of steel pipe

Publications (2)

Publication Number Publication Date
KR960010127U true KR960010127U (en) 1996-04-12
KR0112407Y1 KR0112407Y1 (en) 1998-04-16

Family

ID=19392964

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019940023500U KR0112407Y1 (en) 1994-09-12 1994-09-12 The curved surface manufacture machine of steel pipe

Country Status (1)

Country Link
KR (1) KR0112407Y1 (en)

Also Published As

Publication number Publication date
KR0112407Y1 (en) 1998-04-16

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
LAPS Lapse due to unpaid annual fee