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GB2187996B - Process for producing shaped products - Google Patents

Process for producing shaped products

Info

Publication number
GB2187996B
GB2187996B GB8704537A GB8704537A GB2187996B GB 2187996 B GB2187996 B GB 2187996B GB 8704537 A GB8704537 A GB 8704537A GB 8704537 A GB8704537 A GB 8704537A GB 2187996 B GB2187996 B GB 2187996B
Authority
GB
United Kingdom
Prior art keywords
shaped products
producing shaped
producing
products
shaped
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
GB8704537A
Other versions
GB2187996A (en
GB8704537D0 (en
Inventor
Norman William Bibby
Oskar Linus Willi
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.)
Trondex Ltd
Original Assignee
Trondex 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 Trondex Ltd filed Critical Trondex Ltd
Publication of GB8704537D0 publication Critical patent/GB8704537D0/en
Publication of GB2187996A publication Critical patent/GB2187996A/en
Application granted granted Critical
Publication of GB2187996B publication Critical patent/GB2187996B/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
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/0026—Recovery of plastics or other constituents of waste material containing plastics by agglomeration or compacting
    • B29B17/0042—Recovery of plastics or other constituents of waste material containing plastics by agglomeration or compacting for shaping parts, e.g. multilayered parts with at least one layer containing regenerated plastic
    • 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
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/10—Applying counter-pressure during expanding
    • 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
    • B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
    • B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • 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
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould
    • 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
    • B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
GB8704537A 1986-02-27 1987-02-26 Process for producing shaped products Expired GB2187996B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8604910A GB8604910D0 (en) 1986-02-27 1986-02-27 Producing shaped products

Publications (3)

Publication Number Publication Date
GB8704537D0 GB8704537D0 (en) 1987-04-01
GB2187996A GB2187996A (en) 1987-09-23
GB2187996B true GB2187996B (en) 1989-11-08

Family

ID=10593784

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8604910A Pending GB8604910D0 (en) 1986-02-27 1986-02-27 Producing shaped products
GB8704537A Expired GB2187996B (en) 1986-02-27 1987-02-26 Process for producing shaped products

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB8604910A Pending GB8604910D0 (en) 1986-02-27 1986-02-27 Producing shaped products

Country Status (1)

Country Link
GB (2) GB8604910D0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2314524A (en) * 1996-06-25 1998-01-07 Northern Telecom Ltd Antenna ground plane substrate
GB2314523A (en) * 1996-06-25 1998-01-07 Northern Telecom Ltd Antenna dielectric
WO2001083186A1 (en) * 2000-05-04 2001-11-08 Bale Fusion Limited A method and apparatus for forming an article and an article formed thereby
DE202011109599U1 (en) * 2011-12-29 2012-03-14 Kurtz Gmbh Foaming device for the production of insulating boards

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB884896A (en) * 1958-12-27 1961-12-20 Koppers Co Inc Process and apparatus for utilization of scraps of polystyrene foam
GB896473A (en) * 1959-03-11 1962-05-16 Ernest Crabb Process for the manufacture of moulded products from expanded polystyrene
GB1080541A (en) * 1964-01-06 1967-08-23 Jablo Plastics Ind Ltd Improvements in or relating to moulding presses
GB1185006A (en) * 1968-01-02 1970-03-18 Shell Int Research Method of Forming Articles of Thermoplastic Material
GB1369204A (en) * 1971-11-16 1974-10-02 Plastic Recycling Ltd Plastics
GB1407564A (en) * 1972-05-10 1975-09-24 Koelsch L M Foamed plastic sheet material
GB1412465A (en) * 1972-10-13 1975-11-05 Shell Int Research Method of forming an article from resin-impregnated plastics material
GB1424327A (en) * 1972-07-11 1976-02-11 Kay Metzeler Ltd Moulded products

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB884896A (en) * 1958-12-27 1961-12-20 Koppers Co Inc Process and apparatus for utilization of scraps of polystyrene foam
GB896473A (en) * 1959-03-11 1962-05-16 Ernest Crabb Process for the manufacture of moulded products from expanded polystyrene
GB1080541A (en) * 1964-01-06 1967-08-23 Jablo Plastics Ind Ltd Improvements in or relating to moulding presses
GB1185006A (en) * 1968-01-02 1970-03-18 Shell Int Research Method of Forming Articles of Thermoplastic Material
GB1369204A (en) * 1971-11-16 1974-10-02 Plastic Recycling Ltd Plastics
GB1407564A (en) * 1972-05-10 1975-09-24 Koelsch L M Foamed plastic sheet material
GB1424327A (en) * 1972-07-11 1976-02-11 Kay Metzeler Ltd Moulded products
GB1412465A (en) * 1972-10-13 1975-11-05 Shell Int Research Method of forming an article from resin-impregnated plastics material

Also Published As

Publication number Publication date
GB2187996A (en) 1987-09-23
GB8604910D0 (en) 1986-04-03
GB8704537D0 (en) 1987-04-01

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970226