GB1175005A - Method and apparatus for producing plastics tubing - Google Patents

Method and apparatus for producing plastics tubing

Info

Publication number
GB1175005A
GB1175005A GB4778/66A GB477866A GB1175005A GB 1175005 A GB1175005 A GB 1175005A GB 4778/66 A GB4778/66 A GB 4778/66A GB 477866 A GB477866 A GB 477866A GB 1175005 A GB1175005 A GB 1175005A
Authority
GB
United Kingdom
Prior art keywords
tube
extruder
air
polythene
feb
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
GB4778/66A
Inventor
Cecil Edward Morris
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.)
U M P VENESTA Ltd FORMERLY NAM
Original Assignee
U M P VENESTA Ltd FORMERLY NAM
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 U M P VENESTA Ltd FORMERLY NAM filed Critical U M P VENESTA Ltd FORMERLY NAM
Priority to GB4778/66A priority Critical patent/GB1175005A/en
Publication of GB1175005A publication Critical patent/GB1175005A/en
Expired legal-status Critical Current

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
    • B29C48/16—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
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0013—Extrusion moulding in several steps, i.e. components merging outside the die
    • B29C48/0015—Extrusion moulding in several steps, i.e. components merging outside the die producing hollow articles having components brought in contact outside the extrusion die
    • B29C48/0016—Extrusion moulding in several steps, i.e. components merging outside the die producing hollow articles having components brought in contact outside the extrusion die using a plurality of extrusion dies
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

1,175,005. Extruding laminated tubing. U.M.P. VENESTA Ltd. 3 Feb., 1967 [3 Feb., 1966], No. 4778/66. Heading B5A. [Also in Division F2] A method of producing a laminated plastics tube comprises continuously extruding a first tube from an extruder 1 over a cooled mandrel 2 having an external taper 11 decreasing in the direction of movement of the tube, " wetting " the external surface of the first tube when solidified by means of an electric corona discharge unit 4 and then continuously extruding a second tube 16 on to the first tube using a second extruder 6, the interior of the head thereof being connected by a pipe 17 to a vacuum source to obviate entrapment of air between the two layers. Air-rings 3, 7 respectively chill the first and second tubes as they emerge from their respective extruders. A layer of metal may be applied to the first tube by vacuum deposition or flame spraying after passage through the unit 4. The tubes may be of the same or different materials and specifically the first tube may be of polythene and the second tube may be of nylon, polythene or polypropylene. In a modification, the discharge unit 4 may be replaced with a gas/air flame. A water cooled mandrel may support the first tube during passage through the extruder 6.
GB4778/66A 1966-02-03 1966-02-03 Method and apparatus for producing plastics tubing Expired GB1175005A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4778/66A GB1175005A (en) 1966-02-03 1966-02-03 Method and apparatus for producing plastics tubing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4778/66A GB1175005A (en) 1966-02-03 1966-02-03 Method and apparatus for producing plastics tubing

Publications (1)

Publication Number Publication Date
GB1175005A true GB1175005A (en) 1969-12-23

Family

ID=9783641

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4778/66A Expired GB1175005A (en) 1966-02-03 1966-02-03 Method and apparatus for producing plastics tubing

Country Status (1)

Country Link
GB (1) GB1175005A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0044668A1 (en) * 1980-07-17 1982-01-27 Thomas Paul Engel Improvements in and relating to conduits
DE3207742A1 (en) * 1982-03-04 1983-09-15 Rehau Plastiks Ag & Co, 8673 Rehau Use of a multi-layer film of plastic as circumferential sheathing layer for plastic pipes carrying hot water
US4593853A (en) * 1980-12-15 1986-06-10 Hoechst Aktiengesellschaft Plastic pipe having an oxygen-impermeable casing
GB2204376A (en) * 1987-05-08 1988-11-09 Caprano & Brunnhofer Motor vehicle pipeline
FR2656039A1 (en) * 1989-12-20 1991-06-21 Fist Spa FLEXIBLE CONDUIT FOR ENGINE REFRIGERATION CIRCUITS FOR MOTOR VEHICLES.
CN105500659A (en) * 2016-03-04 2016-04-20 周洪波 Device and process for manufacturing nylon carrier roller tube

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0044668A1 (en) * 1980-07-17 1982-01-27 Thomas Paul Engel Improvements in and relating to conduits
US4593853A (en) * 1980-12-15 1986-06-10 Hoechst Aktiengesellschaft Plastic pipe having an oxygen-impermeable casing
DE3207742A1 (en) * 1982-03-04 1983-09-15 Rehau Plastiks Ag & Co, 8673 Rehau Use of a multi-layer film of plastic as circumferential sheathing layer for plastic pipes carrying hot water
GB2204376A (en) * 1987-05-08 1988-11-09 Caprano & Brunnhofer Motor vehicle pipeline
GB2204376B (en) * 1987-05-08 1991-03-20 Caprano & Brunnhofer Motor vehicle pipeline
FR2656039A1 (en) * 1989-12-20 1991-06-21 Fist Spa FLEXIBLE CONDUIT FOR ENGINE REFRIGERATION CIRCUITS FOR MOTOR VEHICLES.
GB2239302A (en) * 1989-12-20 1991-06-26 F I S T S P A Flexible two-layered plastics conduit
CN105500659A (en) * 2016-03-04 2016-04-20 周洪波 Device and process for manufacturing nylon carrier roller tube

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE Patent expired