IL45862A - Device for the production of pipes with grooves made of plastic material or other material that can be threaded - Google Patents
Device for the production of pipes with grooves made of plastic material or other material that can be threadedInfo
- Publication number
- IL45862A IL45862A IL45862A IL4586274A IL45862A IL 45862 A IL45862 A IL 45862A IL 45862 A IL45862 A IL 45862A IL 4586274 A IL4586274 A IL 4586274A IL 45862 A IL45862 A IL 45862A
- Authority
- IL
- Israel
- Prior art keywords
- pipe
- mandrel
- fact
- jaws
- mould
- Prior art date
Links
Classifications
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
-
- 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
- F16L9/12—Rigid pipes of plastics with or without reinforcement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
- B26D3/16—Cutting rods or tubes transversely
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/303—Extrusion nozzles or dies using dies or die parts movable in a closed circuit, e.g. mounted on movable endless support
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/0015—Making articles of indefinite length, e.g. corrugated tubes
- B29C49/0021—Making articles of indefinite length, e.g. corrugated tubes using moulds or mould parts movable in a closed path, e.g. mounted on movable endless supports
-
- 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
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/0014—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for shaping tubes or blown tubular films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/18—Pleated or corrugated hoses
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C2035/0211—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould resistance heating
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/16—Cooling
- B29C2035/1616—Cooling using liquids
-
- 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
- B29C2793/00—Shaping techniques involving a cutting or machining operation
- B29C2793/009—Shaping techniques involving a cutting or machining operation after shaping
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/76—Cores
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/4273—Auxiliary operations after the blow-moulding operation not otherwise provided for
- B29C49/42808—Filling the article
- B29C49/42811—Introducing an auxiliary material not being the content, e.g. foamable material in a hollow wall section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2016/00—Articles with corrugations or pleats
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/003—Tubular articles having irregular or rough surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/18—Pleated or corrugated hoses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/18—Pleated or corrugated hoses
- B29L2023/186—Pleated or corrugated hoses having a smooth internal wall
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Sewage (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7314295A SE381001B (sv) | 1973-10-22 | 1973-10-22 | Forfarande och anordning for framstellning av kamflensror av plast |
Publications (2)
Publication Number | Publication Date |
---|---|
IL45862A0 IL45862A0 (en) | 1974-12-31 |
IL45862A true IL45862A (en) | 1977-10-31 |
Family
ID=20318881
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL45862A IL45862A (en) | 1973-10-22 | 1974-10-16 | Device for the production of pipes with grooves made of plastic material or other material that can be threaded |
Country Status (21)
Country | Link |
---|---|
US (1) | US3998579A (zh) |
JP (1) | JPS5078676A (zh) |
AT (1) | AT361703B (zh) |
BE (1) | BE821318A (zh) |
CA (1) | CA1053427A (zh) |
CH (1) | CH591323A5 (zh) |
CS (1) | CS202541B2 (zh) |
DD (1) | DD117838A5 (zh) |
DE (1) | DE2450171C2 (zh) |
DK (1) | DK143492C (zh) |
ES (1) | ES431416A1 (zh) |
FI (1) | FI60825C (zh) |
FR (1) | FR2248140B1 (zh) |
GB (1) | GB1483113A (zh) |
IE (1) | IE40322B1 (zh) |
IL (1) | IL45862A (zh) |
IT (1) | IT1032107B (zh) |
NL (1) | NL181638C (zh) |
NO (1) | NO141079C (zh) |
SE (1) | SE381001B (zh) |
SU (1) | SU644363A3 (zh) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2362444C2 (de) * | 1973-12-15 | 1983-06-01 | Reifenhäuser KG, 5210 Troisdorf | Vorrichtung zum Herstellen eines Rohres aus thermoplastischem Kunststoff mit Außenrippen und glattem Innenkanal |
FR2424123A1 (fr) * | 1978-04-24 | 1979-11-23 | Armosig | Procede et appareillage pour la fabrication en continu de profiles tubulaires ailetes en matiere synthetique |
CA1198864A (en) * | 1983-02-21 | 1986-01-07 | Manfred A.A. Lupke | Producing thermoplastic articles, particularly with porous walls |
SE449456B (sv) | 1983-11-15 | 1987-05-04 | Uponor Ab | Forfarande och anordning for framstellning av ror varvid formbacksdelarna er delade i formstreckans lengsriktning |
SE8501212D0 (sv) * | 1985-03-12 | 1985-03-12 | Uponor Ab | Sett vid tillverkning av vermeisolerat ror |
FI74654C (fi) * | 1986-01-13 | 1988-03-10 | Uponor Nv | Anordning och foerfarande foer framstaellning av kamflaensroer. |
FI77405C (fi) * | 1986-03-20 | 1989-03-10 | Uponor Nv | Foerfarande och anordning foer framstaellning av kamflaensroer. |
US4712993A (en) * | 1986-03-25 | 1987-12-15 | Lupke Manfred Arno Alfred | Extrusion die for externally ribbed plastic tubing |
DE3725286A1 (de) * | 1987-07-30 | 1989-02-09 | Wilhelm Hegler | Verfahren und vorrichtung zum herstellen eines rippen-rohres aus kunststoff |
DE3728303A1 (de) * | 1987-08-25 | 1989-03-16 | Sueddeutsche Kuehler Behr | Waermetauscher mit einer rippen-rohranordnung |
DE3737588C3 (de) * | 1987-11-05 | 1993-12-23 | Corma Inc | Verfahren zum Herstellen eines innen glatten, außen gerippten Rohres aus extrudierbarem Kunststoff sowie Vorrichtung zur Durchführung des Verfahrens |
US4789322A (en) * | 1987-11-23 | 1988-12-06 | Harry Chan | Corrugator with intermeshing overlapping moldblock halves |
DE3744510A1 (de) * | 1987-12-30 | 1989-07-13 | Wilhelm Hegler | Rohrverbindungs-element |
DE3810915C1 (en) * | 1988-03-30 | 1989-04-27 | Unicor Gmbh Rahn Plastmaschinen, 8728 Hassfurt, De | Apparatus for continuously shaping the wall of a pipeline of thermoplastic material |
NL8802305A (nl) * | 1988-09-16 | 1990-04-17 | Wavin Bv | Geextrudeerde radiaal verstrekte kunststofbuis en werkwijze voor het vervaardigen van een dergelijke buis. |
FI83984C (fi) * | 1989-04-28 | 1991-09-25 | Uponor Nv | Tryckledning. |
FI85239C (fi) * | 1989-07-12 | 1992-03-25 | Uponor Nv | Anordning foer framstaellning av kamflaensroer. |
FI87321C (fi) * | 1989-10-27 | 1992-12-28 | Uponor Nv | Foerfarande och anordning foer tillverkning av kamflaensroer |
DE4111229A1 (de) * | 1991-04-08 | 1992-10-15 | Wilhelm Hegler | Vorrichtung zur herstellung von kunststoff-rohren |
EP0544680B1 (en) * | 1991-06-14 | 1996-08-14 | LUPKE, Manfred Arno Alfred | Travelling mold tunnel apparatus for smooth walled pipe |
DE4129855C2 (de) * | 1991-09-07 | 1999-09-16 | Wilhelm Hegler | Verfahren zum Verschweißen von aus thermoplastischem Kunststoff bestehenden Rohren |
FI96396C (fi) * | 1992-12-28 | 1996-06-25 | Uponor Bv | Menetelmä kaksikerroksisen muoviputken muodostamiseksi aineensiirtoa varten ja menetelmällä muodostettu kaksikerroksinen muoviputki |
DE19942162A1 (de) * | 1999-09-04 | 2001-03-08 | Ralph Peter Hegler | Verfahren und Vorrichtung zum Herstellen eines Kabelschutz-Rohres mit Gleitrippen |
US20070141284A1 (en) * | 2005-12-19 | 2007-06-21 | Saint-Gobain Performance Plastics Corporation | Smooth bore flexible fluid conduit |
EP1900988A1 (de) * | 2006-09-13 | 2008-03-19 | Dipl.-Ing. Dr. Ernst Vogelsang GmbH & Co. KG | Kunststoffrohr zur Führung eines Fluids |
EP2213440A1 (de) * | 2009-01-29 | 2010-08-04 | Brugg Rohr AG, Holding | Verfahren zur Herstellung eines wärmeisolierten Leitungsrohres |
US8689839B2 (en) | 2011-04-15 | 2014-04-08 | Phoenix Geothermal Services, LLC | Apparatus for receiving insulation |
CN105291192B (zh) * | 2015-11-30 | 2017-07-11 | 四川南格尔生物科技有限公司 | 一种袋体剪裁机 |
CN108778679B (zh) * | 2016-04-13 | 2020-08-25 | 康斯博格驱动系统有限公司 | 用于形成波纹状含氟聚合物管的方法和设备 |
CN110921207B (zh) * | 2019-10-31 | 2021-03-16 | 安徽万朗磁塑股份有限公司 | 一种门封条自动转运、分配生产线 |
CN111229852B (zh) * | 2020-02-26 | 2020-11-06 | 凯维思轻量化智能制造研究院(菏泽)有限公司 | 一种实现双向挤压成形工艺的挤压模具、装置及方法 |
CN112692069B (zh) * | 2020-12-30 | 2022-09-16 | 浙江传播者金属装饰材料有限公司 | 一种带有芯棒锁定装置的轧机结构 |
CN113733618B (zh) * | 2021-09-09 | 2022-06-24 | 江苏南瑞银龙电缆有限公司 | 电缆线套波纹管延展加工系统 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3045281A (en) * | 1958-11-25 | 1962-07-24 | Skobel Max | Process and apparatus for making supported sleeving |
US3387348A (en) * | 1964-11-17 | 1968-06-11 | Crompton & Knowles Corp | Device for making an internally coated tubular blank |
DE1289297C2 (de) * | 1965-04-02 | 1973-09-06 | Kalle Ag | Verfahren und Vorrichtung zur kontinuierlichen Herstellung mehrschichtiger Schlaeuche aus thermoplastischen Kunststoffen nach dem Extrusionsverfahren |
US3538207A (en) * | 1966-12-30 | 1970-11-03 | Gen Cable Corp | Pressure equalizer for vulcanizable elastomers for three layer extrusion |
AT325299B (de) * | 1967-02-27 | 1975-10-10 | Hegler Wilhelm | Vorrichtung zur herstellung von rohren aus thermoplastischem kunststoff |
US3526692A (en) * | 1967-05-26 | 1970-09-01 | Yasuyoshi Onaka | Manufacture of wire reinforced plastic pipe |
GB1234750A (en) * | 1967-08-26 | 1971-06-09 | Richard Zippel | Improvements in or relating to arrangements for the continous manufacture of moulded articles from synthetic plastics materials |
GB1193939A (en) * | 1967-11-29 | 1970-06-03 | Wilhelm Hegler | Apparatus for and a Method of Producing Plastics Pipes |
US3494812A (en) * | 1968-06-17 | 1970-02-10 | Reynolds Metals Co | Method and apparatus for making a container having a seamless sleevelike liner |
DE2042031A1 (de) * | 1970-08-25 | 1972-05-31 | Reifenhaeuser Kg | Verfahren und Vorrichtung zur Herstellung von Wellrohren aus thermoplastischem Kunststoff |
US3743456A (en) * | 1971-08-20 | 1973-07-03 | Acme Hamilton Mfg Corp | Adjustable die heads for extruders and the like |
US3819778A (en) * | 1972-06-13 | 1974-06-25 | Plastic Tubing | Method of making and processing corrugated plastic pipe |
US3891007A (en) * | 1972-07-03 | 1975-06-24 | Dayco Corp | Exteriorly corrugated hose of composite materials |
-
1973
- 1973-10-22 SE SE7314295A patent/SE381001B/xx unknown
-
1974
- 1974-04-17 NO NO741394A patent/NO141079C/no unknown
- 1974-10-15 IE IE2120/74A patent/IE40322B1/xx unknown
- 1974-10-16 IL IL45862A patent/IL45862A/en unknown
- 1974-10-17 GB GB45040/74A patent/GB1483113A/en not_active Expired
- 1974-10-17 CA CA211,643A patent/CA1053427A/en not_active Expired
- 1974-10-17 US US05/515,568 patent/US3998579A/en not_active Expired - Lifetime
- 1974-10-21 CH CH1406874A patent/CH591323A5/xx not_active IP Right Cessation
- 1974-10-21 FI FI3076/74A patent/FI60825C/fi active
- 1974-10-21 CS CS747190A patent/CS202541B2/cs unknown
- 1974-10-22 FR FR7435502A patent/FR2248140B1/fr not_active Expired
- 1974-10-22 DD DD181837A patent/DD117838A5/xx unknown
- 1974-10-22 IT IT53663/74A patent/IT1032107B/it active
- 1974-10-22 DE DE2450171A patent/DE2450171C2/de not_active Expired
- 1974-10-22 NL NLAANVRAGE7413835,A patent/NL181638C/xx not_active IP Right Cessation
- 1974-10-22 ES ES431416A patent/ES431416A1/es not_active Expired
- 1974-10-22 DK DK552574A patent/DK143492C/da active
- 1974-10-22 JP JP49121869A patent/JPS5078676A/ja active Pending
- 1974-10-22 AT AT850074A patent/AT361703B/de not_active IP Right Cessation
- 1974-10-22 SU SU742072070A patent/SU644363A3/ru active
- 1974-10-22 BE BE149742A patent/BE821318A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS5078676A (zh) | 1975-06-26 |
US3998579A (en) | 1976-12-21 |
CH591323A5 (zh) | 1977-09-15 |
NL181638C (nl) | 1990-03-16 |
CS202541B2 (en) | 1981-01-30 |
BE821318A (fr) | 1975-04-22 |
DK552574A (zh) | 1975-06-16 |
GB1483113A (en) | 1977-08-17 |
IT1032107B (it) | 1979-05-30 |
SE7314295L (zh) | 1975-04-23 |
DE2450171C2 (de) | 1983-04-14 |
NO141079C (no) | 1980-01-09 |
AT361703B (de) | 1981-03-25 |
FI307674A (zh) | 1975-04-23 |
IL45862A0 (en) | 1974-12-31 |
ES431416A1 (es) | 1976-10-16 |
FI60825B (fi) | 1981-12-31 |
NO141079B (no) | 1979-10-01 |
DK143492B (da) | 1981-08-31 |
CA1053427A (en) | 1979-05-01 |
SE7314295A (zh) | 1975-05-23 |
DD117838A5 (zh) | 1976-02-05 |
DK143492C (da) | 1982-01-11 |
FR2248140A1 (zh) | 1975-05-16 |
NO741394L (zh) | 1975-05-20 |
DE2450171A1 (de) | 1975-04-24 |
IE40322B1 (en) | 1979-05-09 |
NL7413835A (nl) | 1975-04-24 |
SE381001B (sv) | 1975-11-24 |
FR2248140B1 (zh) | 1978-11-24 |
ATA850074A (de) | 1980-08-15 |
SU644363A3 (ru) | 1979-01-25 |
NL181638B (nl) | 1987-05-04 |
IE40322L (en) | 1975-04-22 |
FI60825C (fi) | 1982-04-13 |
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