GB2311245B - Rotational moulding - Google Patents

Rotational moulding

Info

Publication number
GB2311245B
GB2311245B GB9703659A GB9703659A GB2311245B GB 2311245 B GB2311245 B GB 2311245B GB 9703659 A GB9703659 A GB 9703659A GB 9703659 A GB9703659 A GB 9703659A GB 2311245 B GB2311245 B GB 2311245B
Authority
GB
United Kingdom
Prior art keywords
rotational moulding
moulding
rotational
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 - Fee Related
Application number
GB9703659A
Other versions
GB9703659D0 (en
GB2311245A (en
Inventor
Ronald Ian Kliene
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.)
Rotec Chemicals Ltd
Original Assignee
Rotec Chemicals 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 Rotec Chemicals Ltd filed Critical Rotec Chemicals Ltd
Publication of GB9703659D0 publication Critical patent/GB9703659D0/en
Publication of GB2311245A publication Critical patent/GB2311245A/en
Application granted granted Critical
Publication of GB2311245B publication Critical patent/GB2311245B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B29C44/02—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
    • B29C44/04—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0461—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities by having different chemical compositions in different places, e.g. having different concentrations of foaming agent, feeding one composition after the other
    • 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
    • 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
    • B29K2105/043—Skinned foam
GB9703659A 1996-02-24 1997-02-21 Rotational moulding Expired - Fee Related GB2311245B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9603969.8A GB9603969D0 (en) 1996-02-24 1996-02-24 Rotational moulding

Publications (3)

Publication Number Publication Date
GB9703659D0 GB9703659D0 (en) 1997-04-09
GB2311245A GB2311245A (en) 1997-09-24
GB2311245B true GB2311245B (en) 2000-02-23

Family

ID=10789370

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9603969.8A Pending GB9603969D0 (en) 1996-02-24 1996-02-24 Rotational moulding
GB9703659A Expired - Fee Related GB2311245B (en) 1996-02-24 1997-02-21 Rotational moulding

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9603969.8A Pending GB9603969D0 (en) 1996-02-24 1996-02-24 Rotational moulding

Country Status (1)

Country Link
GB (2) GB9603969D0 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0116639D0 (en) * 2001-07-07 2001-08-29 Ellis Gordon & Co Moulded articles and methods of producing moulded articles
GB0128252D0 (en) * 2001-11-24 2002-01-16 Ellis Gordon & Co Rotomoulded articles and a method of producing same
EP1923193A1 (en) * 2006-11-20 2008-05-21 Jacob-Formschaumtechnik GmbH Method and apparatus for manufacturing a foam article
CN103692591B (en) * 2013-08-02 2016-03-23 北京化工大学 A kind of fiber reinforcement differential foams ultralight body of a motor car rotatory molding method
CN108044859B (en) * 2017-12-12 2019-11-08 温岭市旭日滚塑科技有限公司 A kind of rotational foaming moulding process
BE1027130B1 (en) * 2019-03-18 2020-10-19 Vanbriel Yuan Bvba Method for recycling plastic

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3494988A (en) * 1967-08-10 1970-02-10 Research Corp Method for partially expanding plastic beads in a rotating pan
GB1308716A (en) * 1969-12-22 1973-03-07 Mitsubishi Petrochemical Co Process for manufacturing a synthetic resin foam having a skin
GB1321341A (en) * 1970-10-07 1973-06-27 Mitsubishi Petrochemical Co Process for preparing moulded olefin polymer foam
GB1368743A (en) * 1971-12-01 1974-10-02 Mettoy Co Ltd Buoyant articles
GB1577793A (en) * 1977-05-27 1980-10-29 Hoechst Co American Method and apparatus for pre-expanding and moulding polymer particles
US4519964A (en) * 1984-01-19 1985-05-28 Rotoplas, Ltd. Process for preparing plastic articles having an outer shell and inner foam core
US4952350A (en) * 1988-06-20 1990-08-28 Nelson A. Taylor Co., Inc. Method for forming expanded foam rotomolded products
EP0475174A2 (en) * 1990-08-28 1992-03-18 Jsp Corporation Production method of expansion-molded article and filling apparatus of foamed particles of thermoplastic resin for use in such method
WO1995019877A2 (en) * 1994-01-22 1995-07-27 The Queen's University Of Belfast A method of rotational moulding and rotationally moulded products
WO1996015892A1 (en) * 1994-11-17 1996-05-30 Exxon Chemical Patents Inc. Multi-layer particles for rotational molding

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3494988A (en) * 1967-08-10 1970-02-10 Research Corp Method for partially expanding plastic beads in a rotating pan
GB1308716A (en) * 1969-12-22 1973-03-07 Mitsubishi Petrochemical Co Process for manufacturing a synthetic resin foam having a skin
GB1321341A (en) * 1970-10-07 1973-06-27 Mitsubishi Petrochemical Co Process for preparing moulded olefin polymer foam
GB1368743A (en) * 1971-12-01 1974-10-02 Mettoy Co Ltd Buoyant articles
GB1577793A (en) * 1977-05-27 1980-10-29 Hoechst Co American Method and apparatus for pre-expanding and moulding polymer particles
US4519964A (en) * 1984-01-19 1985-05-28 Rotoplas, Ltd. Process for preparing plastic articles having an outer shell and inner foam core
US4952350A (en) * 1988-06-20 1990-08-28 Nelson A. Taylor Co., Inc. Method for forming expanded foam rotomolded products
EP0475174A2 (en) * 1990-08-28 1992-03-18 Jsp Corporation Production method of expansion-molded article and filling apparatus of foamed particles of thermoplastic resin for use in such method
WO1995019877A2 (en) * 1994-01-22 1995-07-27 The Queen's University Of Belfast A method of rotational moulding and rotationally moulded products
WO1996015892A1 (en) * 1994-11-17 1996-05-30 Exxon Chemical Patents Inc. Multi-layer particles for rotational molding

Also Published As

Publication number Publication date
GB9703659D0 (en) 1997-04-09
GB2311245A (en) 1997-09-24
GB9603969D0 (en) 1996-04-24

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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: 20080221