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GB1052885A - - Google Patents

Info

Publication number
GB1052885A
GB1052885A GB1052885DA GB1052885A GB 1052885 A GB1052885 A GB 1052885A GB 1052885D A GB1052885D A GB 1052885DA GB 1052885 A GB1052885 A GB 1052885A
Authority
GB
United Kingdom
Prior art keywords
layer
polyethylene
adhesive
thick
hard
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
Application number
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.)
Publication date
Publication of GB1052885A publication Critical patent/GB1052885A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
    • F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
    • F16L58/04—Coatings characterised by the materials used
    • F16L58/10—Coatings characterised by the materials used by rubber or plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • B05D7/146—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies to metallic pipes or tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/56—Three layers or more
    • B05D7/58—No clear coat specified
    • B05D7/586—No clear coat specified each layer being cured, at least partially, separately
    • 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
    • B29C48/15—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
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0218—Pretreatment, e.g. heating the substrate

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

1,052,885. Laminates. MANNESMANN A.G. May 29, 1963 [June 20, 1962], No. 21488/63. Heading B5N. [Also in Divisions C3 and F2] A metal tube, e.g. of steel, has coated thereon two plastic layers, the bottom layer being of hard polyethylene (molecular weight at least 50,000) and the top layer being of soft polyethylene (molecular weight not greater than 30,000), said bottom layer being bound to the metal tube, and said top layer being bound to the bottom layer, by a layer of a pressuresensitive adhesive consisting of a mixture of polyisobutylene, hard paraffin, a natural resin (e.g. balsam resin or colophony) and bitumen. Both layers of adhesive are desirably 0À3 to 0À5 mm. thick, the hard polyethylene layer preferably 0À5 to 1 mm. thick, and the soft polyethylene layer 2 to 5 mm. thick. The metal tube is preferably coated by preheating it to about 100‹ C., applying the adhesive preheated to about 150‹ C. followed by the hard polyethylene preheated to about 200‹ C., then more adhesive as before, and finally the soft polyethylene heated to about 120‹ C.
GB1052885D 1963-05-06 Expired GB1052885A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR933773A FR1357892A (en) 1963-05-06 1963-05-06 Process for preparing protective coatings on metal parts

Publications (1)

Publication Number Publication Date
GB1052885A true GB1052885A (en) 1900-01-01

Family

ID=8803127

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1052885D Expired GB1052885A (en) 1963-05-06

Country Status (3)

Country Link
BE (1) BE632367A (en)
FR (1) FR1357892A (en)
GB (1) GB1052885A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2303982A1 (en) * 1975-03-12 1976-10-08 Basf Ag PROCESS FOR ASSEMBLING MOLDED PARTS IN HEAT-INSULATED MATERIALS
FR2529829A1 (en) * 1982-07-06 1984-01-13 Mannesmann Ag PROCESS FOR COATING METAL BODIES
FR2696812A1 (en) * 1992-10-13 1994-04-15 Pont A Mousson Protection sheet for pipe element, and corresponding coated pipe element.

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3121773C2 (en) * 1981-05-27 1984-06-07 Mannesmann AG, 4000 Düsseldorf Extruder head for sheathing a steel pipe
DE3521308C1 (en) * 1985-06-11 1986-08-14 Mannesmann AG, 4000 Düsseldorf Process for covering steel pipes with a covering layer made of polyethylene

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2303982A1 (en) * 1975-03-12 1976-10-08 Basf Ag PROCESS FOR ASSEMBLING MOLDED PARTS IN HEAT-INSULATED MATERIALS
FR2529829A1 (en) * 1982-07-06 1984-01-13 Mannesmann Ag PROCESS FOR COATING METAL BODIES
FR2696812A1 (en) * 1992-10-13 1994-04-15 Pont A Mousson Protection sheet for pipe element, and corresponding coated pipe element.
WO1994009306A1 (en) * 1992-10-13 1994-04-28 Pont-A-Mousson S.A. Protective sheet for pipe element and corresponding pipe element comprising a protective layer

Also Published As

Publication number Publication date
FR1357892A (en) 1964-04-10
BE632367A (en) 1900-01-01

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