IL24540A - Foam-sinter molding process and products - Google Patents
Foam-sinter molding process and productsInfo
- Publication number
- IL24540A IL24540A IL24540A IL2454065A IL24540A IL 24540 A IL24540 A IL 24540A IL 24540 A IL24540 A IL 24540A IL 2454065 A IL2454065 A IL 2454065A IL 24540 A IL24540 A IL 24540A
- Authority
- IL
- Israel
- Prior art keywords
- layer
- mold
- foamed
- blowing agent
- dense
- Prior art date
Links
Classifications
-
- 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
- C08J9/34—Chemical features in the manufacture of articles consisting of a foamed macromolecular core and a macromolecular surface layer having a higher density than the core
-
- 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
- B29C41/20—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 incorporating preformed parts or layers, e.g. moulding inserts or for coating 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
- B29C41/22—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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/70—Completely encapsulating inserts
-
- 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
-
- 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
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
-
- 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
- B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
-
- 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
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S521/919—Sintered product
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249987—With nonvoid component of specified composition
- Y10T428/249988—Of about the same composition as, and adjacent to, the void-containing component
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249987—With nonvoid component of specified composition
- Y10T428/24999—Inorganic
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Moulding By Coating Moulds (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US40848964A | 1964-11-03 | 1964-11-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
IL24540A true IL24540A (en) | 1969-12-31 |
Family
ID=23616489
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL24540A IL24540A (en) | 1964-11-03 | 1965-10-29 | Foam-sinter molding process and products |
Country Status (14)
Country | Link |
---|---|
US (1) | US3455483A (it) |
AT (1) | AT292998B (it) |
BE (1) | BE671770A (it) |
BR (1) | BR6574454D0 (it) |
CH (1) | CH446709A (it) |
DK (1) | DK127775B (it) |
ES (1) | ES319152A1 (it) |
FI (1) | FI47641C (it) |
GB (1) | GB1115639A (it) |
IL (1) | IL24540A (it) |
LU (1) | LU49743A1 (it) |
MY (1) | MY6900348A (it) |
NL (2) | NL6513881A (it) |
SE (1) | SE317496B (it) |
Families Citing this family (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3620898A (en) * | 1968-12-31 | 1971-11-16 | Du Pont | Heat shrinkable cushioning material |
US3962390A (en) * | 1969-12-11 | 1976-06-08 | Sekisui Kagaku Kogyo Kabushiki Kaisha | Method of producing composite foamed shaped articles from thermoplastic resins |
US3997649A (en) * | 1970-10-27 | 1976-12-14 | Rototron Corporation | Method of rotational molding a hollow article |
US3703348A (en) * | 1970-10-27 | 1972-11-21 | Rototron Corp | Apparatus for molding hollow objects from thermoplastic materials |
US3914361A (en) * | 1972-06-29 | 1975-10-21 | Furukawa Electric Co Ltd | Method for rotational molding of composite foamed plastic articles |
IT967401B (it) * | 1972-09-13 | 1974-02-28 | Schmid Charles | Procedimento per l ottenimento di corpi cilindrici cavi presentanti struttura portante in resina ter moindurente rinforzata e corpo cilindrico cavo ottenuto con tale procedimento |
US3848925A (en) * | 1972-11-02 | 1974-11-19 | Coach & Car Equip Corp | Transit vehicle seat |
NL150821B (nl) * | 1972-11-28 | 1976-09-15 | Vaessen Schoemaker Holding Bv | Werkwijze voor het vervaardigen van een polyalkeen bevattend voorwerp met een oppervlak, dat een verbeterd hechtend vermogen bezit. |
US3966870A (en) * | 1973-10-29 | 1976-06-29 | Amerace Corporation | Hollow, multi-layered, cross-linked plastic structures and process for producing same |
US3936565A (en) * | 1974-05-03 | 1976-02-03 | Hollowform, Inc. | Molded plastic article and method |
DE2513705A1 (de) * | 1975-03-27 | 1976-10-07 | Dynamit Nobel Ag | Motorhaubenauskleidung fuer kraftfahrzeuge |
US4130615A (en) * | 1978-04-13 | 1978-12-19 | Igloo Corporation | Method for making an insulated container having a shock-resistant bottom |
AT360748B (de) * | 1978-09-29 | 1981-01-26 | Polyguss Kunststoffver | Verfahren zur herstellung von mit einer kompakten aussenschicht versehenen formkoerpern aus geschaeumtem kunststoff |
US4474632A (en) * | 1979-05-07 | 1984-10-02 | Spees Charles L | Method of forming a composite foam insulated jacket for a railroad tank car |
FR2460258A1 (fr) * | 1979-06-29 | 1981-01-23 | Allibert Exploitation | Procede de renforcement d'objets en matiere plastique au moyen d'armatures internes |
CA1217913A (en) * | 1982-03-05 | 1987-02-17 | Bertel Jansson | Method of insulating pipe details |
US4621015A (en) * | 1983-11-07 | 1986-11-04 | Long John V | Low density, modified polyimide foams and methods of making same |
EP0152655A1 (en) * | 1984-01-05 | 1985-08-28 | Rotoplas Ltd. | Process for preparing plastic articles having an outer shell and inner foam core |
US4519964A (en) * | 1984-01-19 | 1985-05-28 | Rotoplas, Ltd. | Process for preparing plastic articles having an outer shell and inner foam core |
US4913944A (en) * | 1984-05-01 | 1990-04-03 | Old Town Canoe Company | Boat hull |
US4836963A (en) * | 1984-05-01 | 1989-06-06 | Old Town Canoe Company | Rotational molding method |
CA1280572C (en) * | 1984-05-01 | 1991-02-26 | Llewellyn A. Gilman, Jr. | Rotational molding method and boat hull |
FR2576544B1 (fr) * | 1985-01-30 | 1987-06-05 | Bouyer Cie Ets Paul | Procede de fabrication par moulage d'objets creux, dispositif pour la mise en oeuvre de ce procede et produits obtenus |
FR2616706B1 (fr) * | 1987-06-19 | 1989-11-17 | Solvay | Procede pour realiser un reservoir tel qu'un fut |
US4851167A (en) * | 1987-09-14 | 1989-07-25 | Clint, Inc. | Molding process and apparatus |
GB8907146D0 (en) * | 1989-03-30 | 1989-05-10 | Celestion Int Ltd | Moulded objects |
WO1990014295A1 (fr) * | 1989-05-26 | 1990-11-29 | Societe Civile Kester | Conteneur isotherme mobile et transportable |
IT1237285B (it) * | 1989-11-22 | 1993-05-27 | Gallino Componenti Plastici | Procedimento per la fabbricazione mediante stampaggio di materia plastica di un volante di autoveicolo, avente l'aspetto di un volante rivestito di pelle naturale, e volante ottenuto tramite tale procedimento |
DE4040908A1 (de) * | 1990-12-20 | 1992-06-25 | Basf Ag | Schaumstoff-formkoerper mit verschiedenen dichtebereichen und verfahren und formwerkzeug zu ihrer herstellung |
GB9110251D0 (en) * | 1991-05-11 | 1991-07-03 | Northern Eng Ind | Apparatus for and method of preparing a hardenable substance for storage |
IT1252217B (it) * | 1991-12-16 | 1995-06-05 | Devi Spa | Procedimento e macchina per lo stampaggio di materiale plastico accoppiato. |
GB2294005B (en) * | 1993-07-03 | 1997-09-10 | Rover Group | A method of rotational moulding and a moulding made thereby |
GB9313800D0 (en) * | 1993-07-03 | 1993-08-18 | Rover Group | A method of rotational moulding and a moulding made thereby |
US5702026A (en) * | 1996-04-16 | 1997-12-30 | Convault, Inc. | Container with secondary containment venting by form of construction |
GB9619126D0 (en) * | 1996-09-13 | 1996-10-23 | Rotational Mouldings Ltd | Acoustic hood |
DE19650358A1 (de) * | 1996-12-05 | 1998-06-10 | Ver Foerderung Inst Kunststoff | Verfahren zur Fertigung von mehrschichtig aufgebauten Isolationsbehältern aus Kunststoff mit beliebigen geometrischen Formen |
EP0977663B1 (en) * | 1997-04-24 | 2003-03-19 | Porex Technologies Corp. | Sintered porous plastic products and method of making same |
US6004641A (en) * | 1997-07-11 | 1999-12-21 | Sinclair & Rush, Inc. | Molded plastisol article with textured exterior |
GB9804572D0 (en) * | 1998-03-05 | 1998-04-29 | Witter Ronald R C | Improvements in pipes |
US6475094B1 (en) | 1998-12-28 | 2002-11-05 | Mark W. Bruns | Method for making product and product having ultra high molecular weight plastic parts |
US6551608B2 (en) | 2000-03-06 | 2003-04-22 | Porex Technologies Corporation | Porous plastic media with antiviral or antimicrobial properties and processes for making the same |
US20020109256A1 (en) * | 2001-02-09 | 2002-08-15 | Sellepack David M. | Polymeric watercraft and manufacture method thereof |
US20020109251A1 (en) * | 2001-02-09 | 2002-08-15 | Sellepack David M. | Polymeric watercraft and manufacture method thereof |
NL1019342C2 (nl) * | 2001-11-09 | 2003-05-12 | Wildkamp B V | Werkwijze voor het vervaardigen van een hol en verstevigd object en een overeenkomstig object. |
US20060043027A1 (en) * | 2004-09-01 | 2006-03-02 | Nguyen Ledu Q | Automotive fluid filter with sintered pellet filter medium and associated method |
US7374056B2 (en) * | 2004-12-30 | 2008-05-20 | Miguel Linares | Collapsible freight container incorporating powder impression molded panels formed about a three-dimensional and interlocking skeletal structure and a mold process for creating the same |
EP2172322A1 (en) * | 2008-10-02 | 2010-04-07 | Total Petrochemicals Research Feluy | Rotomoulded structural parts having asymmetrical layering |
US8496860B2 (en) * | 2009-07-31 | 2013-07-30 | Fusion Specialties, Inc. | Foam-backed, hollow articles made by cold rotational molding |
GB2558951A (en) * | 2017-01-24 | 2018-07-25 | Frederick Stokes Kevan | Accessible cavity and trickle charge rotational moulding |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE463297A (it) * | 1944-02-21 | |||
US2695425A (en) * | 1952-02-23 | 1954-11-30 | Polymer Corp | Method of making sintered nylon articles and resultant product |
BE545421A (it) * | 1953-06-08 | |||
US2950505A (en) * | 1956-07-10 | 1960-08-30 | Frank Jacob | Method of molding a plastic article having a cellular body and a protective skin |
FR1190679A (fr) * | 1956-12-28 | 1959-10-14 | Jungfer Akkumulatoren | Séparateur pour accumulateurs électriques, notamment pour accumulateurs au plomb, et son procédé de fabrication |
US3082485A (en) * | 1958-04-07 | 1963-03-26 | American Metal Prod | Elements having low friction material compacted on teh face thereof |
US3091998A (en) * | 1959-11-02 | 1963-06-04 | Dow Chemical Co | Synthetic ski slope |
US3128262A (en) * | 1960-06-20 | 1964-04-07 | Peter H Smolka | Plastic articles and process for their manufacture |
US3013306A (en) * | 1960-11-07 | 1961-12-19 | Owens Illinois Glass Co | Method of making cellular plastic articles |
BE609254A (it) * | 1961-10-10 | |||
DE1479974A1 (de) * | 1962-03-31 | 1969-07-17 | Basf Ag | Verfahren zur Herstellung von stossfesten Kunststoffschaumplatten |
US3192294A (en) * | 1962-06-21 | 1965-06-29 | Us Rubber Co | Method of molding vinyl resin sheet material having an embossed surface |
US3211605A (en) * | 1963-01-14 | 1965-10-12 | Grace W R & Co | Foamed product and process |
-
0
- NL NL136484D patent/NL136484C/xx active
-
1964
- 1964-11-03 US US408489A patent/US3455483A/en not_active Expired - Lifetime
-
1965
- 1965-10-27 NL NL6513881A patent/NL6513881A/xx unknown
- 1965-10-29 LU LU49743A patent/LU49743A1/xx unknown
- 1965-10-29 BR BR174454/65A patent/BR6574454D0/pt unknown
- 1965-10-29 IL IL24540A patent/IL24540A/en unknown
- 1965-11-02 SE SE14130/65A patent/SE317496B/xx unknown
- 1965-11-02 FI FI652621A patent/FI47641C/fi active
- 1965-11-02 DK DK563165AA patent/DK127775B/da unknown
- 1965-11-02 CH CH1512265A patent/CH446709A/de unknown
- 1965-11-02 ES ES0319152A patent/ES319152A1/es not_active Expired
- 1965-11-02 GB GB46328/65A patent/GB1115639A/en not_active Expired
- 1965-11-03 AT AT993365A patent/AT292998B/de not_active IP Right Cessation
- 1965-11-03 BE BE671770A patent/BE671770A/xx unknown
-
1969
- 1969-12-31 MY MY1969348A patent/MY6900348A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ES319152A1 (es) | 1966-07-01 |
MY6900348A (en) | 1969-12-31 |
SE317496B (it) | 1969-11-17 |
GB1115639A (en) | 1968-05-29 |
NL6513881A (it) | 1966-05-04 |
FI47641B (it) | 1973-10-31 |
LU49743A1 (it) | 1966-10-29 |
NL136484C (it) | 1900-01-01 |
US3455483A (en) | 1969-07-15 |
CH446709A (de) | 1967-11-15 |
DK127775B (da) | 1974-01-07 |
FI47641C (fi) | 1976-10-26 |
AT292998B (de) | 1971-09-27 |
BR6574454D0 (pt) | 1973-01-16 |
BE671770A (it) | 1966-05-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IL24540A (en) | Foam-sinter molding process and products | |
US3391823A (en) | Rigidified polyethene structures and method of producing them | |
US2954589A (en) | Method of molding expanded resins | |
US3914361A (en) | Method for rotational molding of composite foamed plastic articles | |
US6180203B1 (en) | Rotational moulding process | |
US3309439A (en) | Method of producing an expanded polystyrene foam having a dense surface | |
US3505137A (en) | Process for producing hollow bodies reinforced with a foamed structure | |
US3962390A (en) | Method of producing composite foamed shaped articles from thermoplastic resins | |
US2950505A (en) | Method of molding a plastic article having a cellular body and a protective skin | |
WO1998003409A1 (en) | Molded refuse container handle | |
US3984511A (en) | Method of rotational molding | |
US4519964A (en) | Process for preparing plastic articles having an outer shell and inner foam core | |
WO1997038839A1 (en) | Improved rotational moulding process | |
US5238622A (en) | Resinous foam formulation for self-skinning cover material | |
US6153135A (en) | Method for producing vacuum insulating and construction material | |
NZ538607A (en) | Method for rotational moulding of a workpiece comprising a thermoplastic foam layer | |
CA2215253A1 (en) | Foamed rotationally molded articles | |
AU2013298237B2 (en) | Moulded plastic articles with contact between two dissimilar plastics | |
US3542912A (en) | Rotational molding method for forming multilayered articles | |
JPS6021174A (ja) | 有底中空体の製造方法 | |
JPH0639932A (ja) | 発泡樹脂成形体の製造方法 | |
WO1994015780A1 (en) | Vacuum insulating and construction material | |
JP3027701B2 (ja) | 二重容器 | |
WO1992003272A1 (en) | A hollow body and a method for rotational moulding of same | |
AU712587B2 (en) | Improved rotational moulding process |