KR860003572U - 금속관의 내면 성형장치 - Google Patents

금속관의 내면 성형장치

Info

Publication number
KR860003572U
KR860003572U KR2019840009428U KR840009428U KR860003572U KR 860003572 U KR860003572 U KR 860003572U KR 2019840009428 U KR2019840009428 U KR 2019840009428U KR 840009428 U KR840009428 U KR 840009428U KR 860003572 U KR860003572 U KR 860003572U
Authority
KR
South Korea
Prior art keywords
forming device
metal tube
surface forming
tube inner
metal
Prior art date
Application number
KR2019840009428U
Other languages
English (en)
Other versions
KR890006011Y1 (ko
Inventor
한재식
Original Assignee
국제모-터스 주식회사
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 국제모-터스 주식회사 filed Critical 국제모-터스 주식회사
Priority to KR2019840009428U priority Critical patent/KR890006011Y1/ko
Publication of KR860003572U publication Critical patent/KR860003572U/ko
Application granted granted Critical
Publication of KR890006011Y1 publication Critical patent/KR890006011Y1/ko

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
    • B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
    • B21C3/16—Mandrels; Mounting or adjusting same
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H3/00—Making helical bodies or bodies having parts of helical shape
    • B21H3/08—Making helical bodies or bodies having parts of helical shape internal screw-threads

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Extraction Processes (AREA)
KR2019840009428U 1984-09-25 1984-09-25 금속관의 내면 성형장치 KR890006011Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019840009428U KR890006011Y1 (ko) 1984-09-25 1984-09-25 금속관의 내면 성형장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019840009428U KR890006011Y1 (ko) 1984-09-25 1984-09-25 금속관의 내면 성형장치

Publications (2)

Publication Number Publication Date
KR860003572U true KR860003572U (ko) 1986-04-21
KR890006011Y1 KR890006011Y1 (ko) 1989-09-09

Family

ID=19237279

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019840009428U KR890006011Y1 (ko) 1984-09-25 1984-09-25 금속관의 내면 성형장치

Country Status (1)

Country Link
KR (1) KR890006011Y1 (ko)

Also Published As

Publication number Publication date
KR890006011Y1 (ko) 1989-09-09

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19950907

Year of fee payment: 7

LAPS Lapse due to unpaid annual fee