KR890018930U - 금속제 나선이음관의 제조장치 - Google Patents

금속제 나선이음관의 제조장치

Info

Publication number
KR890018930U
KR890018930U KR2019880003892U KR880003892U KR890018930U KR 890018930 U KR890018930 U KR 890018930U KR 2019880003892 U KR2019880003892 U KR 2019880003892U KR 880003892 U KR880003892 U KR 880003892U KR 890018930 U KR890018930 U KR 890018930U
Authority
KR
South Korea
Prior art keywords
manufacturing equipment
metal spiral
joint manufacturing
spiral joint
metal
Prior art date
Application number
KR2019880003892U
Other languages
English (en)
Other versions
KR900010156Y1 (ko
Inventor
김동호
Original Assignee
김동호
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 김동호 filed Critical 김동호
Priority to KR2019880003892U priority Critical patent/KR900010156Y1/ko
Publication of KR890018930U publication Critical patent/KR890018930U/ko
Application granted granted Critical
Publication of KR900010156Y1 publication Critical patent/KR900010156Y1/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
    • 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
    • B21C37/12—Making tubes or metal hoses with helically arranged seams
    • B21C37/121—Making tubes or metal hoses with helically arranged seams with non-welded and non-soldered seams
    • 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
    • B21D5/08—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)
KR2019880003892U 1988-03-23 1988-03-23 금속제 나선이음관의 제조장치 KR900010156Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019880003892U KR900010156Y1 (ko) 1988-03-23 1988-03-23 금속제 나선이음관의 제조장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019880003892U KR900010156Y1 (ko) 1988-03-23 1988-03-23 금속제 나선이음관의 제조장치

Publications (2)

Publication Number Publication Date
KR890018930U true KR890018930U (ko) 1989-10-05
KR900010156Y1 KR900010156Y1 (ko) 1990-11-03

Family

ID=19273468

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019880003892U KR900010156Y1 (ko) 1988-03-23 1988-03-23 금속제 나선이음관의 제조장치

Country Status (1)

Country Link
KR (1) KR900010156Y1 (ko)

Also Published As

Publication number Publication date
KR900010156Y1 (ko) 1990-11-03

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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
NORF Unpaid initial registration fee