KR100377479B1 - 파이프 곡형기 - Google Patents
파이프 곡형기 Download PDFInfo
- Publication number
- KR100377479B1 KR100377479B1 KR10-2000-0013717A KR20000013717A KR100377479B1 KR 100377479 B1 KR100377479 B1 KR 100377479B1 KR 20000013717 A KR20000013717 A KR 20000013717A KR 100377479 B1 KR100377479 B1 KR 100377479B1
- Authority
- KR
- South Korea
- Prior art keywords
- pipe
- coupled
- bending
- expansion tube
- expanded
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
- 238000005452 bending Methods 0.000 claims abstract description 37
- 230000008878 coupling Effects 0.000 claims abstract description 22
- 238000010168 coupling process Methods 0.000 claims abstract description 22
- 238000005859 coupling reaction Methods 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims description 6
- 230000037303 wrinkles Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- B21D9/00—Bending tubes using mandrels or the like
- B21D9/01—Bending tubes using mandrels or the like the mandrel being flexible and engaging the entire tube length
-
- 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
- B21D9/00—Bending tubes using mandrels or the like
- B21D9/16—Auxiliary equipment, e.g. machines for filling tubes with sand
- B21D9/18—Auxiliary equipment, e.g. machines for filling tubes with sand for heating or cooling of bends
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
Description
Claims (2)
- 내부의 관통로(211)를 통해 상호연통구조를 갖게 되는 유입구(22)와 압력계(23)와 안전밸브(24)가 손잡이(21)의 외둘레로 결합형성되고 이 손잡이(21)의 일측으로는 파이프수용홈(26)이 외둘레로 감싸여지며 상기 관통로(211)와 연통된 암나사홈(251)을 갖는 배출구(25)가 돌출구성되는 본체(2)와, 상기 암나사홈(251)에 나사결합되도록 수나사(42)가 형성되며 관통공인 공급공(41)을 갖는 결합구(4)와, 상기 결합구(4)가 밴드결합체(43)에 의해 밀폐구조로서 일단에 결합되며 상기 본체(2)로부터 외부공기압을 공급받아 파이프내에서 신축팽창하는 팽창튜브(3)와, 밴드결합체(52)에 의해 상기 팽창튜브(3)의 타단을 밀폐하도록 결합되는 밀폐구(5)로 이루어짐을 특징으로 하는 파이프 곡형기.
- 제 1항에 있어서, 배출구(25)의 외둘레로 형성되는 파이프수용홈(26)은 절곡할 파이프의 직경에 대응할 수 있도록 직경을 달리하는 다단의 턱이 형성됨을 특징으로 하는 파이프 곡형기.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0013717A KR100377479B1 (ko) | 2000-03-17 | 2000-03-17 | 파이프 곡형기 |
KR2020000007728U KR200195443Y1 (ko) | 2000-03-17 | 2000-03-18 | 파이프곡형기 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0013717A KR100377479B1 (ko) | 2000-03-17 | 2000-03-17 | 파이프 곡형기 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2020000007728U Division KR200195443Y1 (ko) | 2000-03-17 | 2000-03-18 | 파이프곡형기 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010091731A KR20010091731A (ko) | 2001-10-23 |
KR100377479B1 true KR100377479B1 (ko) | 2003-04-21 |
Family
ID=19656309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2000-0013717A Expired - Fee Related KR100377479B1 (ko) | 2000-03-17 | 2000-03-17 | 파이프 곡형기 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100377479B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102513031B1 (ko) * | 2022-07-06 | 2023-03-23 | (주)더블유티엠 | 파이프의 극소벤딩 장치 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102166592B (zh) * | 2011-01-12 | 2012-09-19 | 哈尔滨工业大学 | 利用内置拉紧绳实现管端密封的管材弯曲装置及方法 |
-
2000
- 2000-03-17 KR KR10-2000-0013717A patent/KR100377479B1/ko not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102513031B1 (ko) * | 2022-07-06 | 2023-03-23 | (주)더블유티엠 | 파이프의 극소벤딩 장치 |
Also Published As
Publication number | Publication date |
---|---|
KR20010091731A (ko) | 2001-10-23 |
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PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20000317 |
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Comment text: Notification of reason for refusal Patent event date: 20020131 Patent event code: PE09021S01D |
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E701 | Decision to grant or registration of patent right | ||
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Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20020611 |
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Patent event date: 20030218 Comment text: Notification of Change of Applicant Patent event code: PN23011R01D |
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Patent event date: 20030227 Comment text: Notification of Change of Applicant Patent event code: PN23011R01D |
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Comment text: Registration of Establishment Patent event date: 20030312 Patent event code: PR07011E01D |
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Payment date: 20030313 End annual number: 3 Start annual number: 1 |
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LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |
Termination category: Default of registration fee Termination date: 20090210 |