DE1284746B - Doppelwandiges Wickelrohr, insbesondere aus strangpressbarem Werkstoff - Google Patents

Doppelwandiges Wickelrohr, insbesondere aus strangpressbarem Werkstoff

Info

Publication number
DE1284746B
DE1284746B DEP37645A DEP0037645A DE1284746B DE 1284746 B DE1284746 B DE 1284746B DE P37645 A DEP37645 A DE P37645A DE P0037645 A DEP0037645 A DE P0037645A DE 1284746 B DE1284746 B DE 1284746B
Authority
DE
Germany
Prior art keywords
double
walled
webs
tape
wall part
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.)
Pending
Application number
DEP37645A
Other languages
German (de)
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Polva Nederland BV
Original Assignee
Polva Nederland BV
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 Polva Nederland BV filed Critical Polva Nederland BV
Publication of DE1284746B publication Critical patent/DE1284746B/de
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles 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
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/151—Making tubes with multiple passages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/04—Making uncoated products by direct extrusion
    • B21C23/14—Making other products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/04—Making uncoated products by direct extrusion
    • B21C23/14—Making other products
    • B21C23/142—Making profiles
    • B21C23/145—Interlocking profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles 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
    • B21C37/124—Making tubes or metal hoses with helically arranged seams the tubes having a special shape, e.g. with corrugated wall, flexible tubes
    • 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
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/06—Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/56—Winding and joining, e.g. winding spirally
    • B29C53/58—Winding and joining, e.g. winding spirally helically
    • B29C53/78—Winding and joining, e.g. winding spirally helically using profiled sheets or strips
    • 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
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/14—Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics
    • F16L11/16—Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics wound from profiled strips or bands
    • 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
    • F16L9/00—Rigid pipes
    • F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
    • 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
    • F16L9/00—Rigid pipes
    • F16L9/18—Double-walled pipes; Multi-channel pipes or pipe assemblies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24628—Nonplanar uniform thickness material
    • Y10T428/24661—Forming, or cooperating to form cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24744—Longitudinal or transverse tubular cavity or cell

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
DEP37645A 1964-09-14 1965-09-13 Doppelwandiges Wickelrohr, insbesondere aus strangpressbarem Werkstoff Pending DE1284746B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL646410674A NL150210B (nl) 1964-09-14 1964-09-14 Buigzame strook voor het schroefvormig wikkelen tot een buis.

Publications (1)

Publication Number Publication Date
DE1284746B true DE1284746B (de) 1968-12-05

Family

ID=19791007

Family Applications (1)

Application Number Title Priority Date Filing Date
DEP37645A Pending DE1284746B (de) 1964-09-14 1965-09-13 Doppelwandiges Wickelrohr, insbesondere aus strangpressbarem Werkstoff

Country Status (5)

Country Link
US (1) US3495628A (enExample)
BE (1) BE669613A (enExample)
DE (1) DE1284746B (enExample)
GB (1) GB1124656A (enExample)
NL (1) NL150210B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0160498A3 (en) * 1984-04-23 1987-01-14 Marcello Valenzano Conduit cable support
US4903736A (en) * 1987-05-23 1990-02-27 Vobau Artur Baston Gesellschaft Fur Vorrichtungsbau Mit Beschrankter Haftung Hollow cylindrical body made from spirally wound extruded plastic strip material

Families Citing this family (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1816374B1 (de) * 1968-12-21 1971-01-21 Manfred Hawerkamp Wickelhohlprofil aus thermoplastischem Kunststoff zur Herstellung von Rohren,Platten,Behaeltern oder Hohlkoerpern
JPS51144818U (enExample) * 1976-04-19 1976-11-20
US4119123A (en) * 1976-12-23 1978-10-10 Ernie Samuels, Inc. Flexible hose with wear indicator
JPS52142226U (enExample) * 1977-04-27 1977-10-28
US4209043A (en) * 1977-10-18 1980-06-24 Rib Loc (Hong Kong) Ltd. Plastic tubular objects
US4308082A (en) * 1977-10-18 1981-12-29 Rib Loc (Hong Kong) Ltd. Method of forming a tubular article
US4337564A (en) * 1978-10-06 1982-07-06 Rib Loc Hong Kong Limited Machine and method for forming tubes from a strip
US4279965A (en) * 1979-03-15 1981-07-21 Orvar Elmqvist Blank pipe for manufacture
FR2464819A1 (fr) * 1979-09-10 1981-03-20 Pont A Mousson Tube en matiere plastique obtenu par enroulement en helice d'un profile
US4362187A (en) * 1980-08-05 1982-12-07 Manville Service Corporation Spirally-formed thermoplastic tube
US4351868A (en) * 1981-04-15 1982-09-28 Toyoda Gosei Co., Ltd. Molding
DE3246247A1 (de) * 1982-12-14 1984-06-14 Siemens AG, 1000 Berlin und 8000 München Doppelwandiger, flexibler schlauch
JPS6136785U (ja) * 1984-08-09 1986-03-07 史朗 金尾 合成樹脂製地中埋設管
US4753256A (en) * 1985-11-18 1988-06-28 Alopex Industries, Inc. Pool cleaner hose
US4714508A (en) * 1986-03-25 1987-12-22 Alopex Industries, Inc. Fixture and method for making spiral wound hose
US4759389A (en) * 1986-12-04 1988-07-26 Kim Woo Suck Synthetic resin pipe for underground installation
CH673981A5 (enExample) * 1987-08-25 1990-04-30 Ametex Ag
FI82133C (sv) * 1988-08-17 1991-01-10 Kwh Pipe Ab Oy Spirallindat rör
DE3931613C1 (enExample) * 1989-09-22 1990-09-20 Petzetakis, George Aristovoulos, Piraeus, Gr
US5099888A (en) * 1990-06-04 1992-03-31 Vassallo Research And Development Corporation Impact protected, sealed, double-walled pipe body
FR2665237B1 (fr) * 1990-07-27 1992-11-13 Coflexip Carcasse et conduite tubulaire flexible comportant une telle carcasse.
GB2255610B (en) * 1991-05-10 1995-04-26 William Ryan Pipe insulation
US5196255A (en) * 1991-07-01 1993-03-23 Cohen John M Extruded plastic slat
US5450703A (en) * 1991-12-23 1995-09-19 Johnson Camping, Inc. Frame structures formed of double tube components
BE1005597A3 (nl) * 1992-01-03 1993-11-16 Plastiflex Europ N V Soepele slang aan te sluiten op een toestel voor het doorvoeren van een fluidum.
NL9300697A (nl) * 1993-04-23 1994-11-16 Hoogovens Groep Bv Deurbalk en portier voorzien van een dergelijke deurbalk.
US5727598A (en) * 1993-04-30 1998-03-17 Advanced Drainage Systems, Inc. Pipe wall segment and pipe having sidewall
US5362114A (en) * 1993-11-09 1994-11-08 Levingston Jerry C Pipe joint and method for forming same for threaded connection of profile pipe
JP3118582B2 (ja) * 1994-07-25 2000-12-18 金尾 茂樹 樹脂管
US5765598A (en) * 1995-10-23 1998-06-16 Advanced Drainage Systems, Inc. Pipe construction
US6405974B1 (en) * 1998-08-12 2002-06-18 F. John Herrington Ribbed core dual wall structure
AUPQ297899A0 (en) * 1999-09-20 1999-10-14 Talana Investments Limited An improved duct construction
US6311514B1 (en) 2000-04-07 2001-11-06 Automotive Fluid Systems, Inc. Refrigeration accumulator having a matrix wall structure
WO2001086182A2 (en) * 2000-05-10 2001-11-15 Stephen Paletta Multi-purpose rehabilitation of conduits
US20070034274A1 (en) * 2000-07-27 2007-02-15 Proteus, Inc. Extrusion apparatus
KR20030007270A (ko) * 2002-11-12 2003-01-23 박일숙 진공청소기용 플렉시블 호스 및 그 제조방법
US7766050B2 (en) * 2003-11-28 2010-08-03 Fisher & Paykel Healthcare Limited Conduit and method of forming
JP2006167457A (ja) * 2004-12-15 2006-06-29 Kim Bong Hee 真空掃除機用ホース
US20080128583A1 (en) * 2006-07-17 2008-06-05 Doug Smoljo Form and method and apparatus for making a form
CN101949476A (zh) * 2010-09-10 2011-01-19 华瀚科技有限公司 一种双平壁管带材搭接结构及使用该结构的双平壁管
CN101982690A (zh) * 2010-09-16 2011-03-02 华瀚科技有限公司 双平壁管带材的缠绕搭接结构及使用该结构的双平壁管
GB2557124B (en) 2011-06-03 2018-12-12 Fisher & Paykel Healthcare Ltd Medical tubes and methods of manufacture
WO2013009193A1 (en) 2011-07-13 2013-01-17 Fisher & Paykel Healthcare Limited Impeller and motor assembly
US10137264B2 (en) 2011-07-13 2018-11-27 Fisher & Paykel Healthcare Limited Respiratory assistance apparatus
US20130015287A1 (en) * 2011-07-14 2013-01-17 Bryant J Daniel Spirally wound channel core
US10125912B2 (en) * 2011-08-27 2018-11-13 John C. Tomaini Spacer system for reflective insulation
US20140230946A1 (en) * 2011-09-29 2014-08-21 National Oilwell Varco Denmark I/S Thermal insulating element, a subsea structure such as an armoured unbonded flexible pipe comprising such an element, and methods of manufacturing such an element and such a pipe
EP2825237B1 (en) 2012-03-15 2020-06-10 Fisher & Paykel Healthcare Limited Respiratory gas humidification system
EP2833953B1 (en) 2012-04-05 2019-01-16 Fisher&Paykel Healthcare Limited Respiratory assistance apparatus
GB2575895B (en) 2012-04-27 2020-06-03 Fisher & Paykel Healthcare Ltd Humidification apparatus including a port cap
CN102777711A (zh) * 2012-08-06 2012-11-14 山东天迈管业有限公司 一种一次成型的双平壁缠绕管材
CN107441601B (zh) 2012-11-14 2022-03-11 费雪派克医疗保健有限公司 用于呼吸回路的分区加热
JP6412879B2 (ja) 2012-12-04 2018-10-24 フィッシャー アンド ペイケル ヘルスケア リミテッド 医療用チューブおよびその製造方法
AU2013101734A4 (en) 2012-12-18 2015-09-24 Fisher & Paykel Healthcare Limited Impeller and motor assembly
CN103174887A (zh) * 2013-04-07 2013-06-26 昆山通塑机械制造有限公司 新型塑钢缠绕管
GB2580554B (en) 2013-09-13 2020-12-30 Fisher & Paykel Healthcare Ltd Connections for humidification system
CN104452942A (zh) * 2013-09-16 2015-03-25 蔡岱君 排水管、其制造方法及排水管单元的组装方法
WO2015060731A1 (en) 2013-10-24 2015-04-30 Fisher & Paykel Healthcare Limited Delivery of respiratory gases
BR112016014317B1 (pt) 2013-12-20 2022-07-19 Fisher & Paykel Healthcare Limited Conector de circuito para sistema de umidificação
WO2015119515A1 (en) 2014-02-07 2015-08-13 Fisher & Paykel Healthcare Limited Respiratory humidification system
WO2015142192A1 (en) 2014-03-17 2015-09-24 Fisher & Paykel Healthcare Limited Medical tubes for respiratory systems
CN110354356B (zh) 2014-05-27 2022-11-01 费雪派克医疗保健有限公司 用于医疗装置的气体混合和测量
CN112370630A (zh) 2014-06-03 2021-02-19 费雪派克医疗保健有限公司 用于呼吸治疗系统的流动混合器
JP7014717B2 (ja) 2015-09-09 2022-02-01 フィッシャー アンド ペイケル ヘルスケア リミテッド 呼吸回路用の区域加熱
EP3383470B8 (en) 2015-12-02 2022-05-25 Fisher&Paykel Healthcare Limited Flow path sensing for flow therapy apparatus
EP4063811A1 (en) 2016-12-07 2022-09-28 Fisher & Paykel Healthcare Limited Seal/cover for use with a sensing arrangement of a medical device
LT3544662T (lt) 2016-12-22 2025-02-10 Fisher & Paykel Healthcare Limited Medicinos vamzdeliai ir gamybos būdai
CN111033067B (zh) 2017-04-23 2022-01-14 费雪派克医疗保健有限公司 呼吸辅助设备
CN110630828A (zh) * 2019-10-10 2019-12-31 张家港戴恩机械有限公司 一种中空壁多孔加筋缠绕波纹管

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1842298A (en) * 1929-02-11 1932-01-19 Smith Corp A O Underground pipe line
DE935340C (de) * 1952-10-07 1955-11-17 Svenska Aktiebolaget Polva Aus elastischem Kunststoff bestehendes Band
DE1786012U (de) * 1959-01-31 1959-04-02 Wilhelm Eckhardt Verwendung von profileisen, deren querschnitt an mindestens einer stelle groesser ist als an anderen stellen, insbesondere handelsueblicher profileisen.
DE1088912B (de) * 1959-01-31 1960-09-15 Wilhelm Eckhardt Ausgangsmaterial fuer die Herstellung schraubennahtgeschweisster Hohlkoerper, z. B. Rohre
US3044257A (en) * 1958-06-02 1962-07-17 Thiokol Chemical Corp Combustion chamber outer jacket
GB905767A (en) * 1959-10-15 1962-09-12 Bouchayer & Viallet Ets Improvements in tubular structures
DE1876796U (de) * 1959-04-08 1963-08-01 Bristol Aerojet Ltd Metallrohr aus wendelfoermig gewickeltem band.
FR1349602A (fr) * 1963-02-20 1964-01-17 élément rigide à haute résistance et de faible poids

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US712418A (en) * 1902-03-01 1902-10-28 James B Brady Flexible metallic tube without joints.
US1519694A (en) * 1921-07-23 1924-12-16 Vincent C Muessman Pipe covering
US2524522A (en) * 1948-08-24 1950-10-03 Gen Electric Flexible hose of extrudable elastomeric composition
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Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1842298A (en) * 1929-02-11 1932-01-19 Smith Corp A O Underground pipe line
DE935340C (de) * 1952-10-07 1955-11-17 Svenska Aktiebolaget Polva Aus elastischem Kunststoff bestehendes Band
US3044257A (en) * 1958-06-02 1962-07-17 Thiokol Chemical Corp Combustion chamber outer jacket
DE1786012U (de) * 1959-01-31 1959-04-02 Wilhelm Eckhardt Verwendung von profileisen, deren querschnitt an mindestens einer stelle groesser ist als an anderen stellen, insbesondere handelsueblicher profileisen.
DE1088912B (de) * 1959-01-31 1960-09-15 Wilhelm Eckhardt Ausgangsmaterial fuer die Herstellung schraubennahtgeschweisster Hohlkoerper, z. B. Rohre
DE1876796U (de) * 1959-04-08 1963-08-01 Bristol Aerojet Ltd Metallrohr aus wendelfoermig gewickeltem band.
GB905767A (en) * 1959-10-15 1962-09-12 Bouchayer & Viallet Ets Improvements in tubular structures
FR1349602A (fr) * 1963-02-20 1964-01-17 élément rigide à haute résistance et de faible poids

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0160498A3 (en) * 1984-04-23 1987-01-14 Marcello Valenzano Conduit cable support
US4903736A (en) * 1987-05-23 1990-02-27 Vobau Artur Baston Gesellschaft Fur Vorrichtungsbau Mit Beschrankter Haftung Hollow cylindrical body made from spirally wound extruded plastic strip material

Also Published As

Publication number Publication date
US3495628A (en) 1970-02-17
GB1124656A (en) 1968-08-21
BE669613A (enExample) 1965-12-31
NL6410674A (enExample) 1966-03-15
NL150210B (nl) 1976-07-15

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