US3747394A - Pipe mandrel for use during bending - Google Patents
Pipe mandrel for use during bending Download PDFInfo
- Publication number
- US3747394A US3747394A US00238107A US3747394DA US3747394A US 3747394 A US3747394 A US 3747394A US 00238107 A US00238107 A US 00238107A US 3747394D A US3747394D A US 3747394DA US 3747394 A US3747394 A US 3747394A
- Authority
- US
- United States
- Prior art keywords
- mandrel
- pipe
- couplings
- shoes
- assemblies
- 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 - Lifetime
Links
- 238000005452 bending Methods 0.000 title claims abstract description 25
- 230000000712 assembly Effects 0.000 claims abstract description 23
- 238000000429 assembly Methods 0.000 claims abstract description 23
- 230000008878 coupling Effects 0.000 claims description 28
- 238000010168 coupling process Methods 0.000 claims description 28
- 238000005859 coupling reaction Methods 0.000 claims description 28
- 239000012530 fluid Substances 0.000 claims description 7
- 210000000629 knee joint Anatomy 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 241000364021 Tulsa Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
Images
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
- B21D9/03—Bending tubes using mandrels or the like the mandrel being flexible and engaging the entire tube length and built-up from loose elements, e.g. series of balls
Abstract
Description
Claims (16)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US23810772A | 1972-03-27 | 1972-03-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3747394A true US3747394A (en) | 1973-07-24 |
Family
ID=22896536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00238107A Expired - Lifetime US3747394A (en) | 1972-03-27 | 1972-03-27 | Pipe mandrel for use during bending |
Country Status (2)
Country | Link |
---|---|
US (1) | US3747394A (en) |
CA (1) | CA982920A (en) |
Cited By (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3851519A (en) * | 1972-06-06 | 1974-12-03 | Crc Crose Int Inc | Internal pipe supporting mandrel |
US3964290A (en) * | 1974-12-20 | 1976-06-22 | Auxer Marvin L | Internal pipe bending mandrel |
US4086803A (en) * | 1976-06-25 | 1978-05-02 | Crc-Crose International, Inc. | Pipe bending mandrel |
US4088007A (en) * | 1977-01-24 | 1978-05-09 | Midcon Pipeline Equipment Co. | Pipe bending mandrel |
US4313330A (en) * | 1980-03-10 | 1982-02-02 | Cummings James D | Pipe bending apparatus |
US4352285A (en) * | 1979-09-06 | 1982-10-05 | Crutcher Resources Corporation | Hydraulic wedge mandrel |
US4914939A (en) * | 1988-06-03 | 1990-04-10 | Contech Construction Products, Inc. | Self propelled internal pipe arching apparatus |
US5327765A (en) * | 1993-04-05 | 1994-07-12 | Aluminum Company Of America | Internal articulated mandrel for the stretch forming of elongated hollow metal sections |
US6000260A (en) * | 1998-04-06 | 1999-12-14 | Miller S. Price | Spiral duct ovalizer |
US6009737A (en) * | 1997-07-17 | 2000-01-04 | Arvin Industries, Inc. | Tube bender |
US6155091A (en) * | 1999-02-26 | 2000-12-05 | Arvin Industries, Inc. | Mandrel assembly for tube-bending apparatus |
US6389872B1 (en) | 2000-08-31 | 2002-05-21 | Crc-Evans Pipeline International, Inc. | Mandrel apparatus with floating spring members |
US20080163666A1 (en) * | 2007-01-10 | 2008-07-10 | Gm Global Technology Operations, Inc. | Mandrel anchor for tube bending |
US20110176904A1 (en) * | 2010-01-18 | 2011-07-21 | Henrik Stiesdal | Method of transportation for wind turbine tower |
US20120192612A1 (en) * | 2010-01-15 | 2012-08-02 | Aws Schaefer Technologie Gmbh | Pipe manipulator |
CN103495630A (en) * | 2013-09-29 | 2014-01-08 | 上海电机学院 | Cold bend forming device for main pipeline of nuclear power station device and core module |
US8647247B2 (en) | 2010-05-13 | 2014-02-11 | Douglas Machine Inc. | Continuous motion case former |
CN106270057A (en) * | 2016-08-29 | 2017-01-04 | 沈阳飞研航空设备有限公司 | The pre-walking mechanism of oil cylinder internally-arranged type super large voussoir inner tube of a tyre core |
CN106270055A (en) * | 2016-08-29 | 2017-01-04 | 沈阳飞研航空设备有限公司 | The parallel moving mechanism of oil cylinder internally-arranged type super large voussoir inner tube of a tyre core |
CN106270056A (en) * | 2016-08-29 | 2017-01-04 | 沈阳飞研航空设备有限公司 | The rising mechanism of oil cylinder internally-arranged type super large voussoir inner tube of a tyre core |
CN106311837A (en) * | 2016-08-29 | 2017-01-11 | 沈阳飞研航空设备有限公司 | Oversized wedge block inner tube core with built-in oil cylinder |
CN110560530A (en) * | 2019-10-12 | 2019-12-13 | 合肥工业大学 | Variable-diameter crease-resistant core rod for bent pipe |
CN112007977A (en) * | 2019-05-31 | 2020-12-01 | 杭州三花微通道换热器有限公司 | Device for bending heat exchanger and bending method of heat exchanger |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2734120A (en) * | 1956-02-07 | sensenig | ||
US2916076A (en) * | 1956-12-21 | 1959-12-08 | Young & Greenwalt Co | Apparatus for fabricating arch-type culverts |
US3043361A (en) * | 1959-02-24 | 1962-07-10 | Clarence L Kelso | Pipe wall supporting mechanism |
US3109477A (en) * | 1962-09-25 | 1963-11-05 | Crose United Corp | Mandrel for pipe bending machines |
-
1972
- 1972-03-27 US US00238107A patent/US3747394A/en not_active Expired - Lifetime
-
1973
- 1973-03-21 CA CA166,631A patent/CA982920A/en not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2734120A (en) * | 1956-02-07 | sensenig | ||
US2916076A (en) * | 1956-12-21 | 1959-12-08 | Young & Greenwalt Co | Apparatus for fabricating arch-type culverts |
US3043361A (en) * | 1959-02-24 | 1962-07-10 | Clarence L Kelso | Pipe wall supporting mechanism |
US3109477A (en) * | 1962-09-25 | 1963-11-05 | Crose United Corp | Mandrel for pipe bending machines |
Cited By (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3851519A (en) * | 1972-06-06 | 1974-12-03 | Crc Crose Int Inc | Internal pipe supporting mandrel |
US3964290A (en) * | 1974-12-20 | 1976-06-22 | Auxer Marvin L | Internal pipe bending mandrel |
US4086803A (en) * | 1976-06-25 | 1978-05-02 | Crc-Crose International, Inc. | Pipe bending mandrel |
US4088007A (en) * | 1977-01-24 | 1978-05-09 | Midcon Pipeline Equipment Co. | Pipe bending mandrel |
US4352285A (en) * | 1979-09-06 | 1982-10-05 | Crutcher Resources Corporation | Hydraulic wedge mandrel |
US4313330A (en) * | 1980-03-10 | 1982-02-02 | Cummings James D | Pipe bending apparatus |
US4914939A (en) * | 1988-06-03 | 1990-04-10 | Contech Construction Products, Inc. | Self propelled internal pipe arching apparatus |
US5327765A (en) * | 1993-04-05 | 1994-07-12 | Aluminum Company Of America | Internal articulated mandrel for the stretch forming of elongated hollow metal sections |
WO1994022610A1 (en) * | 1993-04-05 | 1994-10-13 | Aluminum Company Of America | Internal articulated mandrel for the stretch forming of elongated hollow metal sections |
US6009737A (en) * | 1997-07-17 | 2000-01-04 | Arvin Industries, Inc. | Tube bender |
US6000260A (en) * | 1998-04-06 | 1999-12-14 | Miller S. Price | Spiral duct ovalizer |
US6155091A (en) * | 1999-02-26 | 2000-12-05 | Arvin Industries, Inc. | Mandrel assembly for tube-bending apparatus |
US6389872B1 (en) | 2000-08-31 | 2002-05-21 | Crc-Evans Pipeline International, Inc. | Mandrel apparatus with floating spring members |
US7404310B1 (en) * | 2007-01-10 | 2008-07-29 | Gm Global Technology Operations, Inc. | Mandrel anchor for tube bending |
US20080163666A1 (en) * | 2007-01-10 | 2008-07-10 | Gm Global Technology Operations, Inc. | Mandrel anchor for tube bending |
US9399247B2 (en) * | 2010-01-15 | 2016-07-26 | Aws Schaefer Technologie Gmbh | Pipe manipulator |
US20120192612A1 (en) * | 2010-01-15 | 2012-08-02 | Aws Schaefer Technologie Gmbh | Pipe manipulator |
US20110176904A1 (en) * | 2010-01-18 | 2011-07-21 | Henrik Stiesdal | Method of transportation for wind turbine tower |
US8647247B2 (en) | 2010-05-13 | 2014-02-11 | Douglas Machine Inc. | Continuous motion case former |
CN103495630A (en) * | 2013-09-29 | 2014-01-08 | 上海电机学院 | Cold bend forming device for main pipeline of nuclear power station device and core module |
CN103495630B (en) * | 2013-09-29 | 2015-07-08 | 上海电机学院 | Cold bend forming device for main pipeline of nuclear power station device and core module |
CN106270057A (en) * | 2016-08-29 | 2017-01-04 | 沈阳飞研航空设备有限公司 | The pre-walking mechanism of oil cylinder internally-arranged type super large voussoir inner tube of a tyre core |
CN106270055A (en) * | 2016-08-29 | 2017-01-04 | 沈阳飞研航空设备有限公司 | The parallel moving mechanism of oil cylinder internally-arranged type super large voussoir inner tube of a tyre core |
CN106270056A (en) * | 2016-08-29 | 2017-01-04 | 沈阳飞研航空设备有限公司 | The rising mechanism of oil cylinder internally-arranged type super large voussoir inner tube of a tyre core |
CN106311837A (en) * | 2016-08-29 | 2017-01-11 | 沈阳飞研航空设备有限公司 | Oversized wedge block inner tube core with built-in oil cylinder |
CN112007977A (en) * | 2019-05-31 | 2020-12-01 | 杭州三花微通道换热器有限公司 | Device for bending heat exchanger and bending method of heat exchanger |
CN112007977B (en) * | 2019-05-31 | 2022-03-25 | 杭州三花微通道换热器有限公司 | Device for bending heat exchanger and bending method of heat exchanger |
CN110560530A (en) * | 2019-10-12 | 2019-12-13 | 合肥工业大学 | Variable-diameter crease-resistant core rod for bent pipe |
CN110560530B (en) * | 2019-10-12 | 2020-12-22 | 合肥工业大学 | Variable-diameter crease-resistant core rod for bent pipe |
Also Published As
Publication number | Publication date |
---|---|
CA982920A (en) | 1976-02-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: CRC PIPELINE INTERNATIONAL, INC., 50 BRIAR HOLLOW Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:EVANS PIPELINE EQUIPMENT COMPANY A CORP OF OK;REEL/FRAME:004455/0863 Effective date: 19850731 |
|
AS | Assignment |
Owner name: CRC-EVANS PIPELINE INTERNATIONAL, INC., A CORP. OF Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:CRC-EVANS PIPELINE INTERNATIONAL, INC.;REEL/FRAME:005003/0669 Effective date: 19880705 |
|
AS | Assignment |
Owner name: WELLS FARGO BANK, N.A., A NATIONAL BANKING ASSOCIA Free format text: SECURITY INTEREST;ASSIGNOR:ENTERRA CORPORATION;REEL/FRAME:005012/0795 Effective date: 19880324 Owner name: WELLS FARGO BANK, N.A., A NATIONAL BANKING ASSOC. Free format text: SECURITY INTEREST;ASSIGNOR:CRC-EVANS PIPELINE INTERNATIONAL, INC.;REEL/FRAME:005010/0529 Effective date: 19880324 Owner name: ENTERRA CORPORATION, TEXAS Free format text: SECURITY INTEREST;ASSIGNOR:CONNECT CORPORATION, A DE CORP. (WHICH UPON ITS MERGER WITH CRC-EVANS PIPELINE INTERNATIONAL, INC., A TX CORP., SHALL CHANGE ITS NAME TO CRC -EVANS PIPELINE INTERNATIONAL, INC., A DE CORP.);REEL/FRAME:005041/0151 Effective date: 19880324 |