ATE196189T1 - Vorrichtung und verfahren zur rohrzerstörung und rohrersetzung - Google Patents
Vorrichtung und verfahren zur rohrzerstörung und rohrersetzungInfo
- Publication number
- ATE196189T1 ATE196189T1 AT91904788T AT91904788T ATE196189T1 AT E196189 T1 ATE196189 T1 AT E196189T1 AT 91904788 T AT91904788 T AT 91904788T AT 91904788 T AT91904788 T AT 91904788T AT E196189 T1 ATE196189 T1 AT E196189T1
- Authority
- AT
- Austria
- Prior art keywords
- pipe
- tool
- cut
- blade
- cylindrical portion
- Prior art date
Links
- 230000006378 damage Effects 0.000 title 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 230000003466 anti-cipated effect Effects 0.000 abstract 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
- E21B7/30—Enlarging drilled holes, e.g. by counterboring without earth removal
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
- E21B7/205—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes without earth removal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
- F16L55/165—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section
- F16L55/1658—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section the old pipe being ruptured prior to insertion of a new pipe
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/524,231 US4983071A (en) | 1990-05-15 | 1990-05-15 | Pipe bursting and replacement apparatus and method |
| PCT/US1991/000972 WO1991018235A1 (en) | 1990-05-15 | 1991-02-13 | Pipe bursting and replacement apparatus and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE196189T1 true ATE196189T1 (de) | 2000-09-15 |
Family
ID=24088333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT91904788T ATE196189T1 (de) | 1990-05-15 | 1991-02-13 | Vorrichtung und verfahren zur rohrzerstörung und rohrersetzung |
Country Status (7)
| Country | Link |
|---|---|
| US (4) | US4983071A (de) |
| EP (1) | EP0528801B1 (de) |
| JP (1) | JP3249511B2 (de) |
| AT (1) | ATE196189T1 (de) |
| CA (1) | CA2036674C (de) |
| DE (1) | DE69132406D1 (de) |
| WO (1) | WO1991018235A1 (de) |
Families Citing this family (79)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3910354C1 (de) * | 1989-03-30 | 1990-06-28 | Diga - Die Gasheizung Gmbh, 4300 Essen, De | |
| US5098225A (en) * | 1990-12-31 | 1992-03-24 | Brooklyn Union Gas | Cutting/expanding tool |
| US5306101A (en) * | 1990-12-31 | 1994-04-26 | Brooklyn Union Gas | Cutting/expanding tool |
| US5171106A (en) * | 1990-12-31 | 1992-12-15 | Brooklyn Union Gas | Cutting/expanding tool |
| WO1993009305A1 (de) * | 1991-11-06 | 1993-05-13 | Bruno Granella | Verfahren insbesondere zum ersetzen von kanalisationsrohren sowie eine vorichtung zur durchführung des verfahrens |
| US5192165A (en) * | 1992-04-06 | 1993-03-09 | Pim Corporation | Trenchless replacement of conduits in an underground conduit bank |
| GB2273142A (en) * | 1992-12-07 | 1994-06-08 | British Gas Plc | Renewing underground pipes |
| US5456552A (en) * | 1993-05-27 | 1995-10-10 | Martin D. Cherrington | Method and apparatus for installing pipe in horizontal borehole |
| US5482404A (en) * | 1993-07-27 | 1996-01-09 | Tenbusch, Ii; Albert A. | Underground pipe replacement technique |
| FI95962C (fi) * | 1994-01-21 | 1996-04-10 | Aineko Ab Oy | Laite erityisesti viemäriputkistojen saneeraukseen pakkosujutusmenetelmää hyväksikäyttäen |
| US5507597A (en) * | 1994-05-12 | 1996-04-16 | Mcconnell; W. Harry | Underground pipe replacement method |
| US5544977A (en) * | 1994-06-24 | 1996-08-13 | Lone Star Gas Company | Polymeric pipe splitter, replacement tool and method |
| DE4421923A1 (de) * | 1994-06-26 | 1996-01-04 | Preussag Anlagenbau | Verfahren und Vorrichtung zum Austauschen einer in der Erde verlegten Rohrleitung |
| FR2723780B1 (fr) * | 1994-07-26 | 1996-09-27 | Eau Et Force | Procede de remplacement de canalisations en plomb sans realisation de tranchees, et appareillages de mise en oeuvre |
| US5628585A (en) * | 1995-04-28 | 1997-05-13 | Tti Trenchless Technologies, Inc. | Method and apparatus for removal of utility line and replacement with polyolefin pipe |
| CA2161482C (en) * | 1995-07-11 | 2007-08-21 | Christian J. Brahler | Method of installing or replacing underground pipe |
| AU734068B2 (en) * | 1997-01-09 | 2001-05-31 | Robert Ward Carter | Device for trenchless replacement of underground pipe |
| JP3304051B2 (ja) * | 1997-04-16 | 2002-07-22 | 東邦瓦斯株式会社 | 管の更新装置 |
| US6109832A (en) | 1998-04-02 | 2000-08-29 | Lincoln; David A. | Ram burster and method for installing tubular casing underground |
| DE19817872C2 (de) * | 1998-04-22 | 2002-08-08 | Tracto Technik | Aufweitvorrichtung |
| DE19831190C1 (de) * | 1998-07-11 | 1999-10-28 | Tracto Technik | Vorrichtung und Verfahren zum Längsunterteilen erdverlegter Rohre |
| US6171026B1 (en) | 1998-07-23 | 2001-01-09 | Earth Tool Company, L.L.C. | Method and apparatus for replacement of pipelines |
| GB9817612D0 (en) * | 1998-08-14 | 1998-10-07 | Kenton Utilities And Developme | Method of installing re-placement pipe |
| EP0981006B1 (de) * | 1998-08-14 | 2003-05-14 | Kenton Utilities & Developments Ltd. | Verfahren und Gerät zum Einsetzen eines Ersatzrohres |
| EP1147287B1 (de) * | 1998-12-22 | 2005-08-17 | Weatherford/Lamb, Inc. | Verfahren und vorrichtung zum profilieren und verbinden von rohren |
| US6213210B1 (en) * | 1999-02-23 | 2001-04-10 | Charles D. Hailey | Removal of lining from tubing |
| WO2001040699A1 (de) † | 1999-12-02 | 2001-06-07 | Tracto-Technik Gmbh | Seilzugvorrichtung für berst-/aufweitvorrichtungen |
| EP1287212B1 (de) | 2000-05-10 | 2008-04-16 | Stephen Paletta | Vielzwecksanierung von leitungen |
| US6578635B1 (en) | 2000-09-25 | 2003-06-17 | Charles D. Hailey | Lining removal method, system and components thereof |
| DE10050407C1 (de) * | 2000-10-12 | 2002-05-08 | Tracto Technik | Vorrichtung zum Aufweiten einer Rohrleitung |
| DE10111406B4 (de) * | 2001-03-08 | 2004-10-14 | Tracto-Technik Gmbh | Vorrichtung zum Längszerteilen eines Altrohres |
| US6655874B2 (en) | 2001-04-20 | 2003-12-02 | Earth Tool Company, L.L.C. | Method and apparatus for slitting flexible pipe in an underground bore |
| US6761507B2 (en) * | 2001-09-04 | 2004-07-13 | Earth Tool Company, L.L.C. | Method and apparatus for replacement of underground pipe |
| GB0128667D0 (en) | 2001-11-30 | 2002-01-23 | Weatherford Lamb | Tubing expansion |
| US7086808B2 (en) * | 2001-12-20 | 2006-08-08 | Earth Tool Company, L.L.C. | Method and apparatus for on-grade boring |
| WO2003061088A1 (en) * | 2002-01-11 | 2003-07-24 | Tt Technologies, Inc. | Method and device for pulling a cable through a section of pipe |
| AU2003207545A1 (en) | 2002-01-14 | 2003-07-30 | Earth Tool Company, L.L.C. | Method and apparatus for replacement of underground pipe |
| US7036595B2 (en) | 2002-09-19 | 2006-05-02 | Hailey Charles D | Removal of tubulars from wells |
| US6896077B1 (en) | 2002-11-04 | 2005-05-24 | The Charles Machines Works, Inc. | Rotary driven pipe-bursting tool |
| US7217065B2 (en) * | 2003-01-14 | 2007-05-15 | Tt Technologies, Inc. | Modular pipe breaking assembly and method |
| US7175367B2 (en) | 2003-01-27 | 2007-02-13 | Earth Tool Company, L.L.C. | Cable pulling machine |
| US20060157276A1 (en) * | 2003-08-08 | 2006-07-20 | Jim Carothers | Pipe burster with spherical bursting member |
| US7048257B2 (en) * | 2003-09-19 | 2006-05-23 | Earth Tool Company, L.L.C. | Winch with telescoping mast |
| DE10357061B4 (de) * | 2003-12-04 | 2005-09-08 | Tracto-Technik Gmbh | Schneidsystem, Vorrichtung und Verfahren zum Zerteilen von Rohren |
| US7434315B2 (en) * | 2004-05-05 | 2008-10-14 | Tt Technologies, Inc. | Method and device for pipe splitting |
| US20060088384A1 (en) * | 2004-10-22 | 2006-04-27 | Putnam Samuel W | Stored energy coupling and pipe bursting apparatus |
| US7448829B2 (en) * | 2005-04-18 | 2008-11-11 | Tt Technologies, Inc. | Replacement of underground pipes |
| JP4822058B2 (ja) * | 2006-06-08 | 2011-11-24 | 株式会社日立プラントテクノロジー | パイプ切断装置 |
| US7624817B2 (en) * | 2006-07-27 | 2009-12-01 | Putnam Samuel W | Bore hole reaming apparatus and method |
| US7918626B2 (en) * | 2007-11-13 | 2011-04-05 | Venable Oran W | Systems and methods for pipe replacement |
| DE102008018150A1 (de) * | 2008-04-10 | 2009-10-22 | Tracto-Technik Gmbh & Co. Kg | Werkzeug zum Längsunterteilen von Abwasserrohren |
| US8292545B2 (en) * | 2009-06-25 | 2012-10-23 | Tt Technologies, Inc. | Small diameter splitter and method |
| US9845652B2 (en) * | 2011-02-24 | 2017-12-19 | Foro Energy, Inc. | Reduced mechanical energy well control systems and methods of use |
| US8720584B2 (en) * | 2011-02-24 | 2014-05-13 | Foro Energy, Inc. | Laser assisted system for controlling deep water drilling emergency situations |
| US8783361B2 (en) * | 2011-02-24 | 2014-07-22 | Foro Energy, Inc. | Laser assisted blowout preventer and methods of use |
| US8783360B2 (en) * | 2011-02-24 | 2014-07-22 | Foro Energy, Inc. | Laser assisted riser disconnect and method of use |
| US9334999B2 (en) | 2009-10-05 | 2016-05-10 | Tt Technologies, Inc. | Lubrication system for pipe bursting |
| US8721223B2 (en) * | 2009-10-05 | 2014-05-13 | Tt Technologies, Inc. | Pipe splitting apparatus with cable engagement system |
| US9103483B2 (en) * | 2009-10-05 | 2015-08-11 | Tt Technologies, Inc. | Jointed pipe splitter with pneumatic hammer |
| US8328468B2 (en) | 2009-10-05 | 2012-12-11 | Tt Technologies, Inc. | Pipe splitting apparatus with replaceable blade |
| CA2685722C (en) | 2009-11-10 | 2016-03-15 | Frank Ivan | Double helix die grooving tool for pipe |
| US8534957B2 (en) * | 2010-03-09 | 2013-09-17 | Gas Technology Institute | Cold assisted pipe splitting and bursting |
| EP2646733B1 (de) | 2010-12-03 | 2016-03-02 | Tric Tools, Inc. | Rohrsprengungsvorrichtung |
| US8540458B2 (en) | 2011-06-14 | 2013-09-24 | Roodle, Inc. | Center hole ram cable puller |
| US8998538B2 (en) | 2011-12-20 | 2015-04-07 | Tt Technologies, Inc. | Pipe replacement system |
| US9476269B2 (en) | 2014-04-15 | 2016-10-25 | Peter E Dyck | Apparatus and method for pulling and laying poly pipe |
| US9829143B2 (en) | 2015-05-14 | 2017-11-28 | Edward Alan Ambler | Compositions and methods for in-situ macro-encapsulation treatment of friable asbestos fibers generated by trenchless pipe bursting of asbestos cement pipe |
| US10422441B2 (en) | 2017-01-09 | 2019-09-24 | Tt Technologies, Inc. | Pipe loosening device and method |
| US11009174B2 (en) * | 2017-02-22 | 2021-05-18 | Robert Ward Carter | Method and apparatus for replacing underground pipe |
| WO2018204989A1 (en) * | 2017-05-12 | 2018-11-15 | South East Water Corporation | Apparatus and methods for breaking conduits |
| US10969053B2 (en) * | 2017-09-08 | 2021-04-06 | The Charles Machine Works, Inc. | Lead pipe spudding prior to extraction or remediation |
| WO2019160757A1 (en) | 2018-02-13 | 2019-08-22 | Zilper Trenchless, Inc. | Systems and methods for underground pipe installation |
| CN108980462A (zh) * | 2018-10-18 | 2018-12-11 | 上海公路桥梁(集团)有限公司 | 钢顶管管节中继间及其施工方法 |
| NL2023460B1 (en) * | 2019-07-08 | 2021-02-02 | Callidus Capital B V | device and method for processing a conduit |
| USD1018244S1 (en) * | 2022-02-07 | 2024-03-19 | The Charles Machine Works, Inc. | Pipe slitter |
| US12496645B1 (en) * | 2022-09-01 | 2025-12-16 | The Charles Machines Works, Inc. | Pipe slitter |
| EP4573268A4 (de) | 2022-09-15 | 2026-07-29 | Phoenix Boring Inc | Bohrsysteme mit mehreren werkzeugen und verfahren zum betrieb solcher systeme |
| CN116025373B (zh) * | 2023-03-28 | 2023-06-06 | 忻州市交通建设中心 | 一种隧道开槽机及其方法 |
| US11867338B1 (en) * | 2023-04-19 | 2024-01-09 | Danny Warren Consulting, LLC | Method and system for encapsulating in-ground asbestos concrete pipe |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3181302A (en) * | 1959-08-28 | 1965-05-04 | William R Lindsay | Pipe splitier and spreader |
| US2983042A (en) * | 1959-12-03 | 1961-05-09 | Charles E Frantz | Tube splitting apparatus |
| US3729806A (en) | 1968-09-06 | 1973-05-01 | Carrier Corp | Method for tube removal |
| IL33199A (en) * | 1968-11-04 | 1972-10-29 | Mills D | Pipe relining method and apparatus |
| US4106561A (en) * | 1977-05-12 | 1978-08-15 | Jerome Robert J | Well casing perforator |
| DE3176344D1 (en) * | 1980-12-02 | 1987-09-10 | British Gas Corp | Improvements in the replacement of mains |
| US4507019A (en) * | 1983-02-22 | 1985-03-26 | Expand-A-Line, Incorporated | Method and apparatus for replacing buried pipe |
| GB2139938B (en) * | 1983-03-31 | 1987-02-04 | Daly Limited P N | Improvements in or relating to methods and apparatus for pipe replacement and boring |
| GB2149472A (en) * | 1983-11-10 | 1985-06-12 | Merstan Impact Moling Limited | Mole |
| GB8332738D0 (en) * | 1983-12-08 | 1984-01-18 | Merstan Impact Moling Ltd | Pipe laying and replacement |
| GB8401452D0 (en) * | 1984-01-19 | 1984-02-22 | British Gas Corp | Replacing mains |
| US4693404A (en) * | 1985-01-10 | 1987-09-15 | British Gas Corporation | Mains bursting tool |
| US4637756A (en) * | 1985-01-23 | 1987-01-20 | Boles Flounoy W | Apparatus for removing and replacing pipe beneath an earthfill |
| DE3533995A1 (de) * | 1985-09-24 | 1987-04-16 | Tracto Technik | Rammbohrgeraet mit schlagmesserkolben |
| US4903406A (en) * | 1987-12-14 | 1990-02-27 | Schosek William O | Pipe splitter |
| DE3800869C1 (de) * | 1988-01-14 | 1989-01-05 | Hans Brochier Gmbh & Co, 8500 Nuernberg, De | |
| JPH0266185A (ja) * | 1988-09-01 | 1990-03-06 | Nippon Boshoku Kogyo Kk | 深埋設電極装置 |
| US4925344A (en) * | 1989-01-03 | 1990-05-15 | Peres Steve U | Method and apparatus for replacing buried pipe |
| US5171106A (en) * | 1990-12-31 | 1992-12-15 | Brooklyn Union Gas | Cutting/expanding tool |
| US5098225A (en) * | 1990-12-31 | 1992-03-24 | Brooklyn Union Gas | Cutting/expanding tool |
-
1990
- 1990-05-15 US US07/524,231 patent/US4983071A/en not_active Ceased
- 1990-09-20 US US07/585,501 patent/US5078546A/en not_active Ceased
-
1991
- 1991-02-13 WO PCT/US1991/000972 patent/WO1991018235A1/en not_active Ceased
- 1991-02-13 AT AT91904788T patent/ATE196189T1/de not_active IP Right Cessation
- 1991-02-13 DE DE69132406T patent/DE69132406D1/de not_active Expired - Lifetime
- 1991-02-13 EP EP91904788A patent/EP0528801B1/de not_active Expired - Lifetime
- 1991-02-13 JP JP50556491A patent/JP3249511B2/ja not_active Expired - Fee Related
- 1991-02-19 CA CA002036674A patent/CA2036674C/en not_active Expired - Fee Related
-
1993
- 1993-01-06 US US08/001,050 patent/USRE35271E/en not_active Expired - Lifetime
- 1993-12-28 US US08/174,060 patent/USRE35542E/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2036674C (en) | 1994-05-17 |
| JPH05506293A (ja) | 1993-09-16 |
| EP0528801B1 (de) | 2000-09-06 |
| DE69132406D1 (de) | 2000-10-12 |
| WO1991018235A1 (en) | 1991-11-28 |
| US5078546A (en) | 1992-01-07 |
| USRE35271E (en) | 1996-06-11 |
| USRE35542E (en) | 1997-06-24 |
| EP0528801A1 (de) | 1993-03-03 |
| US4983071A (en) | 1991-01-08 |
| EP0528801A4 (en) | 1993-10-06 |
| JP3249511B2 (ja) | 2002-01-21 |
| CA2036674A1 (en) | 1991-11-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69132406D1 (de) | Vorrichtung und verfahren zur rohrzerstörung und rohrersetzung | |
| EP0053480B2 (de) | Austausch von Rohrleitungen | |
| US5544977A (en) | Polymeric pipe splitter, replacement tool and method | |
| EP0455949B1 (de) | Rammbohrgerät zum zerstörenden Ersetzen erdverlegter Rohrleitungen | |
| US5876152A (en) | Ramming drill for destructive replacement of buried pipelines | |
| ATE82040T1 (de) | Pneumatisches rohraufweitungsgeraet. | |
| DE59205357D1 (de) | Verfahren insbesondere zum ersetzen von kanalisationsrohren sowie eine vorichtung zur durchführung des verfahrens | |
| MY129710A (en) | Method for forming cut lines in sheet | |
| ATE413251T1 (de) | Verfahren und vorrichtung zum automatischen zuführen von teilen mit durchgangslöchern | |
| US4939965A (en) | Cutting and the like tools | |
| DK0792206T3 (da) | Rør af plastmateriale samt ekstruderdyse og endvidere fremgangsmåde til fremstilling af sådanne rør af plastmateriale | |
| US5480263A (en) | Soil displacement hammer for replacing underground pipes | |
| US5094003A (en) | Paper web cutting and retracting tool | |
| US12496645B1 (en) | Pipe slitter | |
| GB9920976D0 (en) | Hole-forming tool | |
| DE59502576D1 (de) | Vorrichtung zum Ersetzen von Rohren, insbesondere von Kanalisationsrohren | |
| ATE422403T1 (de) | Vorrichtung zum abmanteln eines ummantelten leitungsrohres | |
| ATE115021T1 (de) | Vorrichtung zur zerkleinerung des innenspans längsnahtgeschweisster rohre. | |
| ATE61096T1 (de) | Rohraufweitungsgeraet. | |
| ES2178819T3 (es) | Dispositivo para el corte en frio de piezas de forma alargada a lo largo de un eje longitudinal. | |
| TR2022000095U5 (tr) | Poli̇eti̇len yassi boru üzeri̇ne çikiş parçasi kaynatma maki̇nesi̇ | |
| SU139808A1 (ru) | Приспособление дл рубки шпона на чураке в процессе лущени | |
| KR970015961A (ko) | 지중 파이프 라인의 교체방법 및 장치 | |
| JPS55147493A (en) | Flash remover of inside surface of electric welded tube | |
| AU2011200775A1 (en) | Conduit King |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |