KR900004637U - Design pipe forming machine - Google Patents

Design pipe forming machine

Info

Publication number
KR900004637U
KR900004637U KR2019880013879U KR880013879U KR900004637U KR 900004637 U KR900004637 U KR 900004637U KR 2019880013879 U KR2019880013879 U KR 2019880013879U KR 880013879 U KR880013879 U KR 880013879U KR 900004637 U KR900004637 U KR 900004637U
Authority
KR
South Korea
Prior art keywords
forming machine
pipe forming
design pipe
design
machine
Prior art date
Application number
KR2019880013879U
Other languages
Korean (ko)
Other versions
KR900010594Y1 (en
Inventor
정연규
Original Assignee
정연규
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 정연규 filed Critical 정연규
Priority to KR2019880013879U priority Critical patent/KR900010594Y1/en
Publication of KR900004637U publication Critical patent/KR900004637U/en
Application granted granted Critical
Publication of KR900010594Y1 publication Critical patent/KR900010594Y1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/155—Making tubes with non circular section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/156—Making tubes with wall irregularities

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
KR2019880013879U 1988-08-25 1988-08-25 The forming m/c of design pipe KR900010594Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019880013879U KR900010594Y1 (en) 1988-08-25 1988-08-25 The forming m/c of design pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019880013879U KR900010594Y1 (en) 1988-08-25 1988-08-25 The forming m/c of design pipe

Publications (2)

Publication Number Publication Date
KR900004637U true KR900004637U (en) 1990-03-07
KR900010594Y1 KR900010594Y1 (en) 1990-11-23

Family

ID=19278725

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019880013879U KR900010594Y1 (en) 1988-08-25 1988-08-25 The forming m/c of design pipe

Country Status (1)

Country Link
KR (1) KR900010594Y1 (en)

Also Published As

Publication number Publication date
KR900010594Y1 (en) 1990-11-23

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19941027

Year of fee payment: 5

LAPS Lapse due to unpaid annual fee