ATE178833T1 - Rotationsformverfahren und nach dem verfahren hergestellte formkörper - Google Patents

Rotationsformverfahren und nach dem verfahren hergestellte formkörper

Info

Publication number
ATE178833T1
ATE178833T1 AT95906397T AT95906397T ATE178833T1 AT E178833 T1 ATE178833 T1 AT E178833T1 AT 95906397 T AT95906397 T AT 95906397T AT 95906397 T AT95906397 T AT 95906397T AT E178833 T1 ATE178833 T1 AT E178833T1
Authority
AT
Austria
Prior art keywords
moulding
granules
molded bodies
rotational molding
bodies produced
Prior art date
Application number
AT95906397T
Other languages
English (en)
Inventor
Robert James Crawford
Paul James Nugent
Original Assignee
Univ Belfast
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 Univ Belfast filed Critical Univ Belfast
Application granted granted Critical
Publication of ATE178833T1 publication Critical patent/ATE178833T1/de

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
    • 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
    • B29C41/22—Making multilayered or multicoloured articles
    • 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
    • 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
    • B29C44/0423—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 density separation
    • B29C44/043—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 density separation using a rotating 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
    • B29K2105/25—Solid
    • B29K2105/251—Particles, powder or granules

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulding By Coating Moulds (AREA)
  • Road Signs Or Road Markings (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Glanulating (AREA)
AT95906397T 1994-01-22 1995-01-20 Rotationsformverfahren und nach dem verfahren hergestellte formkörper ATE178833T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9401214A GB9401214D0 (en) 1994-01-22 1994-01-22 A method of rotational moulding and rotationally moulded products

Publications (1)

Publication Number Publication Date
ATE178833T1 true ATE178833T1 (de) 1999-04-15

Family

ID=10749173

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95906397T ATE178833T1 (de) 1994-01-22 1995-01-20 Rotationsformverfahren und nach dem verfahren hergestellte formkörper

Country Status (6)

Country Link
EP (1) EP0740602B1 (de)
AT (1) ATE178833T1 (de)
AU (1) AU685217B2 (de)
DE (1) DE69509067D1 (de)
GB (1) GB9401214D0 (de)
WO (1) WO1995019877A2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0759841A1 (de) * 1994-11-17 1997-03-05 Exxon Chemical Patents Inc. Mehrschichtgranulate zum rotationsformen
CA2215253A1 (en) * 1995-03-31 1996-10-03 Exxon Chemical Patents, Inc. Foamed rotationally molded articles
GB2305886A (en) * 1995-10-04 1997-04-23 Rotational Mouldings Ltd Loudspeaker cabinet formed by rotational moulding
GB9520227D0 (en) * 1995-10-04 1995-12-06 Rotational Mouldings Ltd Loudspeaker cabinet
GB9603969D0 (en) * 1996-02-24 1996-04-24 Rotec Chemicals Ltd Rotational moulding
AUPN928196A0 (en) * 1996-04-16 1996-05-09 Linpac Polycast Pty Ltd Rotational moulding process
US6180203B1 (en) 1997-04-09 2001-01-30 Peter J. Unkles Rotational moulding process
US6261490B1 (en) 1998-09-15 2001-07-17 Rotec Chemicals Limited Rotational moulding
ATE554924T1 (de) * 2002-11-21 2012-05-15 Total Petrochemicals Res Feluy Mehrschichtiges rotationsformen
US8969435B2 (en) * 2007-08-28 2015-03-03 Gala Industries, Inc. Method and apparatus for enhanced minimal shear molding utilizing extrusional, pelletization, and melt rheological control of pellets and micropellets and molded objects made therefrom

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3712872A (en) * 1969-01-03 1973-01-23 Rexall Drug Chemical Composition comprising acrylonitrile-butadiene-styrene polymer beads coated with nn'ethylene bis stearamide
CA983226A (en) * 1972-05-11 1976-02-10 Du Pont Of Canada Limited Rotational moulding of articles with foamed inner layer

Also Published As

Publication number Publication date
WO1995019877A2 (en) 1995-07-27
DE69509067D1 (de) 1999-05-20
AU685217B2 (en) 1998-01-15
GB9401214D0 (en) 1994-03-16
AU1459895A (en) 1995-08-08
EP0740602B1 (de) 1999-04-14
WO1995019877A3 (en) 1995-08-17
EP0740602A1 (de) 1996-11-06

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties