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GB1119571A - Improvements in or relating to the moulding of foamed thermoplastic synthetic resins - Google Patents

Improvements in or relating to the moulding of foamed thermoplastic synthetic resins

Info

Publication number
GB1119571A
GB1119571A GB4057663A GB4057663A GB1119571A GB 1119571 A GB1119571 A GB 1119571A GB 4057663 A GB4057663 A GB 4057663A GB 4057663 A GB4057663 A GB 4057663A GB 1119571 A GB1119571 A GB 1119571A
Authority
GB
United Kingdom
Prior art keywords
thermoplastic synthetic
moulding
relating
synthetic resins
phenolic
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
GB4057663A
Inventor
William Adams
William Bernard Sisson
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.)
VINATEX Ltd
Original Assignee
VINATEX 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
Application filed by VINATEX Ltd filed Critical VINATEX Ltd
Priority to GB4057663A priority Critical patent/GB1119571A/en
Publication of GB1119571A publication Critical patent/GB1119571A/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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
    • 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
    • B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/37—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • 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
    • 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
    • B29K2827/00—Use of polyvinylhalogenides or derivatives thereof as mould material
    • B29K2827/12—Use of polyvinylhalogenides or derivatives thereof as mould material containing fluorine
    • B29K2827/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
    • 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
    • B29K2861/00—Use of condensation polymers of aldehydes or ketones or derivatives thereof, as mould material
    • B29K2861/04—Phenoplasts
    • 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
    • B29K2863/00—Use of EP, i.e. epoxy resins or derivatives thereof as mould material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

1,119,571. Moulding foamed articles. VINATEX Ltd. 7 Jan., 1965 [15 Oct., 1963], No. 40576/63. Heading B5A. A cellular article, having a surface skin, is formed by injecting a thermoplastic synthetic resin mixed with a foaming agent, at a temperature above the decomposition temperature of said foaming agent into a mould formed from, or lined with, in at least parts, a thermally insulating material. The lining may be bonded to metal mould parts by e.g. brushing or spraying and may comprise P.T.F.E., an epoxy resin or a condensation resin such as a phenolic. The mould parts may alternatively be machined &c. directly from a block of e.g. phenolic or urea resin based materials.
GB4057663A 1963-10-15 1963-10-15 Improvements in or relating to the moulding of foamed thermoplastic synthetic resins Expired GB1119571A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4057663A GB1119571A (en) 1963-10-15 1963-10-15 Improvements in or relating to the moulding of foamed thermoplastic synthetic resins

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4057663A GB1119571A (en) 1963-10-15 1963-10-15 Improvements in or relating to the moulding of foamed thermoplastic synthetic resins

Publications (1)

Publication Number Publication Date
GB1119571A true GB1119571A (en) 1968-07-10

Family

ID=10415586

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4057663A Expired GB1119571A (en) 1963-10-15 1963-10-15 Improvements in or relating to the moulding of foamed thermoplastic synthetic resins

Country Status (1)

Country Link
GB (1) GB1119571A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0164259A3 (en) * 1984-06-01 1987-12-16 Scott C. Holden Surface temperature control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0164259A3 (en) * 1984-06-01 1987-12-16 Scott C. Holden Surface temperature control system

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