IT1151169B - Procedimento e dispositivo per la realizzazione di strisce di contrassegno colorate su tubi di acciaio rivestiti con materia plastica - Google Patents
Procedimento e dispositivo per la realizzazione di strisce di contrassegno colorate su tubi di acciaio rivestiti con materia plasticaInfo
- Publication number
- IT1151169B IT1151169B IT8221356A IT2135682A IT1151169B IT 1151169 B IT1151169 B IT 1151169B IT 8221356 A IT8221356 A IT 8221356A IT 2135682 A IT2135682 A IT 2135682A IT 1151169 B IT1151169 B IT 1151169B
- Authority
- IT
- Italy
- Prior art keywords
- creation
- procedure
- plastic material
- steel tubes
- colored label
- 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
- B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
-
- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/17—Articles comprising two or more components, e.g. co-extruded layers the components having different colours
-
- 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
- B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
- B29C48/337—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location
- B29C48/338—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location using a die with concentric parts, e.g. rings, cylinders
-
- 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
- B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
-
- 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
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/151—Coating hollow articles
-
- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- 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
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
-
- 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
- B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
- B29K2705/08—Transition metals
- B29K2705/12—Iron
-
- 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
- B29L2009/003—Layered products comprising a metal layer
-
- 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
- B29L2023/22—Tubes or pipes, i.e. rigid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3122043A DE3122043C2 (de) | 1981-05-29 | 1981-05-29 | Verfahren zum Ummanteln eines Stahlrohres |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8221356A0 IT8221356A0 (it) | 1982-05-19 |
IT1151169B true IT1151169B (it) | 1986-12-17 |
Family
ID=6133829
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8221356A IT1151169B (it) | 1981-05-29 | 1982-05-19 | Procedimento e dispositivo per la realizzazione di strisce di contrassegno colorate su tubi di acciaio rivestiti con materia plastica |
Country Status (13)
Country | Link |
---|---|
JP (1) | JPS5833439A (it) |
AT (1) | AT384990B (it) |
BE (1) | BE893344A (it) |
CA (1) | CA1200665A (it) |
CH (1) | CH656090A5 (it) |
CS (1) | CS229932B2 (it) |
DD (1) | DD202118A5 (it) |
DE (1) | DE3122043C2 (it) |
FR (1) | FR2506664B1 (it) |
GB (1) | GB2099357B (it) |
HU (1) | HU183940B (it) |
IT (1) | IT1151169B (it) |
NL (1) | NL8202038A (it) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3147709C2 (de) * | 1981-11-27 | 1984-12-06 | Mannesmann AG, 4000 Düsseldorf | Extruderkopf zum Ummanteln eines Stahlrohres |
SE446954B (sv) * | 1985-03-12 | 1986-10-20 | Uponor Ab | Sett vid extrudering av ett dubbelveggigt plastror samt extruderingsverktyg for utovning av settet |
JPS62242199A (ja) * | 1986-04-11 | 1987-10-22 | Takeuchi Press Kogyo Kk | 低温液化ガス流下装置 |
DE3709411A1 (de) * | 1987-03-21 | 1988-09-29 | Huels Troisdorf | Verfahren und vorrichtung zur herstellung von holzmaserstrukturaehnlichen duennen schichten durch coextrusion |
GB2208310B (en) * | 1987-07-22 | 1991-09-18 | Andrew Palmer & Associates Lim | Improvements in or relating to the identification of pipeline sections |
DE3741627C1 (de) * | 1987-12-04 | 1988-12-15 | Mannesmann Ag | Verfahren zum kontinuierlichen Ummanteln von Stahlrohren mit Kunststoff |
FR2643854B1 (fr) * | 1989-03-02 | 1991-10-04 | Nortene Sa | Grillage de balisage et dispositif pour sa fabrication |
DE4319697C2 (de) * | 1993-06-16 | 1995-03-30 | Vogelsang Ernst Gmbh Co Kg | Verfahren und Vorrichtung zur Herstellung von Kabelführungsrohren |
EP1916087A1 (de) * | 2006-10-26 | 2008-04-30 | Drossbach GmbH & Co. KG | Vorrichtung zur Aufbringung von Kunststoff auf ein Werkstück |
CN108340557A (zh) * | 2017-12-29 | 2018-07-31 | 通鼎互联信息股份有限公司 | 一种光缆护套双层共挤模具 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1080646B (de) * | 1957-12-06 | 1960-04-28 | Siemens Ag | Verfahren zur Kennzeichnung der aus Kunststoff bestehenden Isolierung elektrischer Leitungen |
GB997212A (en) * | 1962-12-31 | 1965-07-07 | Ici Ltd | The production of striped thermoplastic extrudates |
DE1957078C3 (de) * | 1969-11-10 | 1979-09-20 | Mannesmann Ag, 4000 Duesseldorf | Extruderkopf |
DE7122606U (de) * | 1971-06-08 | 1972-08-31 | Vereinigte Draht U Kabelwerke Ag | Extruder-Spritzkopf |
DE2519046C3 (de) * | 1975-04-25 | 1979-08-23 | Mannesmann Ag, 4000 Duesseldorf | Verfahren zum Aufbringen einer Schicht aus Polyäthylen auf ein Stahlrohr |
GB1601698A (en) * | 1977-08-20 | 1981-11-04 | Gen Eng Radcliffe | Extrusion method and apparatus therefor |
US4248824A (en) * | 1979-01-24 | 1981-02-03 | Alcan Aluminum Corporation | Method and apparatus for striping extruded polymer products |
-
1981
- 1981-05-29 DE DE3122043A patent/DE3122043C2/de not_active Expired
-
1982
- 1982-04-08 AT AT0138482A patent/AT384990B/de not_active IP Right Cessation
- 1982-05-14 FR FR8208474A patent/FR2506664B1/fr not_active Expired
- 1982-05-18 NL NL8202038A patent/NL8202038A/nl not_active Application Discontinuation
- 1982-05-18 DD DD82239959A patent/DD202118A5/de unknown
- 1982-05-19 IT IT8221356A patent/IT1151169B/it active
- 1982-05-25 JP JP57088708A patent/JPS5833439A/ja active Pending
- 1982-05-27 CS CS823919A patent/CS229932B2/cs unknown
- 1982-05-28 GB GB8215803A patent/GB2099357B/en not_active Expired
- 1982-05-28 HU HU821743A patent/HU183940B/hu not_active IP Right Cessation
- 1982-05-28 CH CH3337/82A patent/CH656090A5/de not_active IP Right Cessation
- 1982-05-28 BE BE0/208211A patent/BE893344A/fr not_active IP Right Cessation
- 1982-05-28 CA CA000403988A patent/CA1200665A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL8202038A (nl) | 1982-12-16 |
CA1200665A (en) | 1986-02-18 |
FR2506664B1 (fr) | 1986-07-18 |
DE3122043A1 (de) | 1982-12-16 |
GB2099357A (en) | 1982-12-08 |
IT8221356A0 (it) | 1982-05-19 |
HU183940B (en) | 1984-06-28 |
CH656090A5 (de) | 1986-06-13 |
ATA138482A (de) | 1987-07-15 |
JPS5833439A (ja) | 1983-02-26 |
GB2099357B (en) | 1985-04-03 |
DE3122043C2 (de) | 1984-06-14 |
CS229932B2 (en) | 1984-07-16 |
AT384990B (de) | 1988-02-10 |
BE893344A (fr) | 1982-09-16 |
FR2506664A1 (fr) | 1982-12-03 |
DD202118A5 (de) | 1983-08-31 |
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