KR860004605U - 동 파이프 확관기 - Google Patents

동 파이프 확관기

Info

Publication number
KR860004605U
KR860004605U KR2019840010280U KR840010280U KR860004605U KR 860004605 U KR860004605 U KR 860004605U KR 2019840010280 U KR2019840010280 U KR 2019840010280U KR 840010280 U KR840010280 U KR 840010280U KR 860004605 U KR860004605 U KR 860004605U
Authority
KR
South Korea
Prior art keywords
copper pipe
pipe expander
expander
copper
pipe
Prior art date
Application number
KR2019840010280U
Other languages
English (en)
Other versions
KR890008321Y1 (ko
Inventor
전창열
Original Assignee
전창열
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 전창열 filed Critical 전창열
Priority to KR2019840010280U priority Critical patent/KR890008321Y1/ko
Publication of KR860004605U publication Critical patent/KR860004605U/ko
Application granted granted Critical
Publication of KR890008321Y1 publication Critical patent/KR890008321Y1/ko

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
    • B21D41/026—Enlarging by means of mandrels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
KR2019840010280U 1984-10-16 1984-10-16 동 파이프 확관기 KR890008321Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019840010280U KR890008321Y1 (ko) 1984-10-16 1984-10-16 동 파이프 확관기

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019840010280U KR890008321Y1 (ko) 1984-10-16 1984-10-16 동 파이프 확관기

Publications (2)

Publication Number Publication Date
KR860004605U true KR860004605U (ko) 1986-05-02
KR890008321Y1 KR890008321Y1 (ko) 1989-11-25

Family

ID=19237610

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019840010280U KR890008321Y1 (ko) 1984-10-16 1984-10-16 동 파이프 확관기

Country Status (1)

Country Link
KR (1) KR890008321Y1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180002312U (ko) 2017-01-20 2018-07-30 김현진 동파이프 확관기

Also Published As

Publication number Publication date
KR890008321Y1 (ko) 1989-11-25

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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: 19961016

Year of fee payment: 8

LAPS Lapse due to unpaid annual fee