GB585395A - Improvements in or relating to the production of hollow articles consisting of or comprising thermoplastic resins - Google Patents

Improvements in or relating to the production of hollow articles consisting of or comprising thermoplastic resins

Info

Publication number
GB585395A
GB585395A GB316644A GB316644A GB585395A GB 585395 A GB585395 A GB 585395A GB 316644 A GB316644 A GB 316644A GB 316644 A GB316644 A GB 316644A GB 585395 A GB585395 A GB 585395A
Authority
GB
United Kingdom
Prior art keywords
resin
tube
powder
layer
rings
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
GB316644A
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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
Priority to BE463297D priority Critical patent/BE463297A/xx
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB316644A priority patent/GB585395A/en
Priority to FR916084D priority patent/FR916084A/en
Publication of GB585395A publication Critical patent/GB585395A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B05D7/22—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 internal surfaces, e.g. of tubes
    • 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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/04—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould
    • B29C41/042—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould by rotating a mould around its axis of symmetry
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/32—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core
    • B29C70/323—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core on the inner surface of a rotating mould
    • B29C70/326—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core on the inner surface of a rotating mould by rotating the mould around its axis of symmetry
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25—Solid
    • B29K2105/251—Particles, powder or granules

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Moulding By Coating Moulds (AREA)
  • Reinforced Plastic Materials (AREA)

Abstract

<PICT:0585395/III/1> Powdered organic thermoplastic material, e.g., synthetic resin or cellulose acetate, is introduced into a hollow body, the body is rotated to spread the powder over its interior surface, and then heat is applied, whilst the body is still rotating, to fuse the powder and form a coherent layer on the said surface. The layer is allowed to cool. The body may be a metal tube, and may be spun fast enough to compact the resin &c. and accelerate the escape of bubbles therefrom. The resin layer may be circular or elliptical in cross-section, or otherwise shaped as by the use of insertions in the tube. The tube may be rotated about more than one axis. When polyvinyl chloride powder is used, a basic stabilizer should be present, to neutralize liberated hydrochloric acid. Polyamides oxidize at elevated temperatures, and may be fused in an inert atmosphere. Polystyrene may be used, and polythenes plasticized with polyisobutylene are particularly suitable. The resin may be reinforced by wire mesh or sheets of coarse-fibred material such as asbestos, glass or cellulose fabric by introducing these materials into the tube before the resin has solidified. In an example, asbestos paper is put into the tube before the resin powder is put in. A metal tube 1 may be lined with resin 5, loss of resin being prevented by rings 2 spaced from flanges 3 by rings 4.
GB316644A 1944-02-21 1944-02-21 Improvements in or relating to the production of hollow articles consisting of or comprising thermoplastic resins Expired GB585395A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE463297D BE463297A (en) 1944-02-21
GB316644A GB585395A (en) 1944-02-21 1944-02-21 Improvements in or relating to the production of hollow articles consisting of or comprising thermoplastic resins
FR916084D FR916084A (en) 1944-02-21 1945-10-20 Manufacture of hollow objects, leaves, etc. in thermoplastic resins

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB316644A GB585395A (en) 1944-02-21 1944-02-21 Improvements in or relating to the production of hollow articles consisting of or comprising thermoplastic resins

Publications (1)

Publication Number Publication Date
GB585395A true GB585395A (en) 1947-02-06

Family

ID=9753169

Family Applications (1)

Application Number Title Priority Date Filing Date
GB316644A Expired GB585395A (en) 1944-02-21 1944-02-21 Improvements in or relating to the production of hollow articles consisting of or comprising thermoplastic resins

Country Status (3)

Country Link
BE (1) BE463297A (en)
FR (1) FR916084A (en)
GB (1) GB585395A (en)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2663652A (en) * 1950-03-04 1953-12-22 Du Pont Process for coating with polyethylene
US2688563A (en) * 1951-11-28 1954-09-07 Polykote Inc Process of coating metal strip with polyethylene
US2737461A (en) * 1950-09-16 1956-03-06 Jerome S Heisler Process of forming adherent polyethylene coating on metal surfaces
US2810989A (en) * 1953-07-08 1957-10-29 Everett A Terry Horticultural containers
US2923041A (en) * 1956-06-18 1960-02-02 Nalco Chemical Co Mold release agents for use in die casting
US2950505A (en) * 1956-07-10 1960-08-30 Frank Jacob Method of molding a plastic article having a cellular body and a protective skin
US3202745A (en) * 1961-10-10 1965-08-24 Vasco Ind Corp Method and apparatus for sinter molding of plastics articles
US3246069A (en) * 1962-02-26 1966-04-12 Wonder Products Company Rotational method of making a hollow molded multilayered article
US3271500A (en) * 1962-12-17 1966-09-06 Owens Illinois Glass Co Method of producing composite packages
US3293344A (en) * 1963-06-17 1966-12-20 Us Rubber Co Rotational molding method
US3364292A (en) * 1958-05-05 1968-01-16 Jerome H. Lemelson Method of positioning and molding a preform integral with plastic material by rotational casting
US3391823A (en) * 1965-03-02 1968-07-09 Vasco Ind Corp Rigidified polyethene structures and method of producing them
DE1298425B (en) * 1960-09-06 1969-06-26 Nat Distillers Chem Corp Method for lining tubular objects with a thermoplastic material
US3455483A (en) * 1964-11-03 1969-07-15 Vasco Ind Corp Foam-sintering molding process and products
US4836963A (en) * 1984-05-01 1989-06-06 Old Town Canoe Company Rotational molding method
US4913944A (en) * 1984-05-01 1990-04-03 Old Town Canoe Company Boat hull
FR2888309A1 (en) * 2005-07-05 2007-01-12 Saipem S A Sa PIPE CONNECTION PIECE HAVING AN INTERNAL SHIRT, COATING METHOD, AND ASSEMBLY METHOD

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2663652A (en) * 1950-03-04 1953-12-22 Du Pont Process for coating with polyethylene
US2737461A (en) * 1950-09-16 1956-03-06 Jerome S Heisler Process of forming adherent polyethylene coating on metal surfaces
US2688563A (en) * 1951-11-28 1954-09-07 Polykote Inc Process of coating metal strip with polyethylene
US2810989A (en) * 1953-07-08 1957-10-29 Everett A Terry Horticultural containers
US2923041A (en) * 1956-06-18 1960-02-02 Nalco Chemical Co Mold release agents for use in die casting
US2950505A (en) * 1956-07-10 1960-08-30 Frank Jacob Method of molding a plastic article having a cellular body and a protective skin
US3364292A (en) * 1958-05-05 1968-01-16 Jerome H. Lemelson Method of positioning and molding a preform integral with plastic material by rotational casting
DE1298425B (en) * 1960-09-06 1969-06-26 Nat Distillers Chem Corp Method for lining tubular objects with a thermoplastic material
US3202745A (en) * 1961-10-10 1965-08-24 Vasco Ind Corp Method and apparatus for sinter molding of plastics articles
US3246069A (en) * 1962-02-26 1966-04-12 Wonder Products Company Rotational method of making a hollow molded multilayered article
US3271500A (en) * 1962-12-17 1966-09-06 Owens Illinois Glass Co Method of producing composite packages
US3347971A (en) * 1963-06-17 1967-10-17 Uniroyal Inc Rotational molding
US3293344A (en) * 1963-06-17 1966-12-20 Us Rubber Co Rotational molding method
US3455483A (en) * 1964-11-03 1969-07-15 Vasco Ind Corp Foam-sintering molding process and products
US3391823A (en) * 1965-03-02 1968-07-09 Vasco Ind Corp Rigidified polyethene structures and method of producing them
US4836963A (en) * 1984-05-01 1989-06-06 Old Town Canoe Company Rotational molding method
US4913944A (en) * 1984-05-01 1990-04-03 Old Town Canoe Company Boat hull
FR2888309A1 (en) * 2005-07-05 2007-01-12 Saipem S A Sa PIPE CONNECTION PIECE HAVING AN INTERNAL SHIRT, COATING METHOD, AND ASSEMBLY METHOD
WO2007006877A1 (en) * 2005-07-05 2007-01-18 Saipem S.A. Duct connecting piece comprising an internal liner, coating method, and assembly method
US8256089B2 (en) 2005-07-05 2012-09-04 Saipem S.A. Method of covering inside surface of steel connection part

Also Published As

Publication number Publication date
FR916084A (en) 1946-11-26
BE463297A (en)

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