ES2012741T3 - Composiciones polimericas extruidas en fusion y procedimiento para moldearlas. - Google Patents
Composiciones polimericas extruidas en fusion y procedimiento para moldearlas.Info
- Publication number
- ES2012741T3 ES2012741T3 ES198989302077T ES89302077T ES2012741T3 ES 2012741 T3 ES2012741 T3 ES 2012741T3 ES 198989302077 T ES198989302077 T ES 198989302077T ES 89302077 T ES89302077 T ES 89302077T ES 2012741 T3 ES2012741 T3 ES 2012741T3
- Authority
- ES
- Spain
- Prior art keywords
- fundidae
- melting
- mold
- procedure
- polymeric compositions
- 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 - Lifetime
Links
- 239000000203 mixture Substances 0.000 title abstract 4
- 238000002844 melting Methods 0.000 title abstract 3
- 230000008018 melting Effects 0.000 title abstract 3
- 238000000034 method Methods 0.000 title 1
- 238000000465 moulding Methods 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 1
- 229920001169 thermoplastic Polymers 0.000 abstract 1
- 239000004416 thermosoftening plastic Substances 0.000 abstract 1
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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/003—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor characterised by the choice of material
-
- 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
- B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
- B29C31/04—Feeding of the material to be moulded, e.g. into a mould cavity
- B29C31/042—Feeding of the material to be moulded, e.g. into a mould cavity using dispensing heads, e.g. extruders, placed over or apart from the moulds
- B29C31/048—Feeding of the material to be moulded, e.g. into a mould cavity using dispensing heads, e.g. extruders, placed over or apart from the moulds the material being severed at the dispensing head exit, e.g. as ring, drop or gob, and transported immediately into the mould, e.g. by gravity
-
- 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
- B29C33/60—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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/34—Feeding the material to the mould or the compression means
- B29C2043/3433—Feeding the material to the mould or the compression means using dispensing heads, e.g. extruders, placed over or apart from the moulds
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
-
- 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
- B29K2021/00—Use of unspecified rubbers 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
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
-
- 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
- B29K2023/04—Polymers of ethylene
- B29K2023/08—Copolymers of ethylene
- B29K2023/083—EVA, i.e. ethylene vinyl acetate copolymer
-
- 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
- B29K2031/00—Use of polyvinylesters or derivatives thereof as moulding material
- B29K2031/04—Polymers of vinyl acetate, e.g. PVAc, i.e. polyvinyl acetate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/56—Stoppers or lids for bottles, jars, or the like, e.g. closures
- B29L2031/565—Stoppers or lids for bottles, jars, or the like, e.g. closures for containers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
OBJETOS MOLDEADOS, TALES COMO JUNTAS PARA TAPAS DE RECIPIENTES, SE HACEN DE COMPOSICION TERMOPLASTICA A ALTA VELOCIDAD, POR EJEMPLO POR ENCIMA DE 110 POR MINUTO, CORTANDO CONTINUAMENTE UN SUMINISTRO CONTINUO DE COMPOSICION TERMOPLASTICA FUNDIDA EN PIEZAS FUNDIDAS Y TRANSFIRIENDO LAS PIEZAS FUNDIDAS A UNA POSICION DE MOLDEO, EN LA QUE SON MOLDEADAS A JUNTAS U OTROS OBJETOS DESEADOS, Y LA COMPOSICION CONTIENE UN MATERIAL DE FUSION LENTA, QUE RELLENA CONTINUAMENTE UNA CAPA DE FUSION LENTA SOBRE LAS SUPERFICIES POR LAS QUE SE CORTA LA COMPOSICION FUNDIDA Y SE TRANSFIERE A LA POSICION DE MOLDEO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB888805243A GB8805243D0 (en) | 1988-03-04 | 1988-03-04 | Melt extruded polymeric compositions & processes of moulding them |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2012741A4 ES2012741A4 (es) | 1990-04-16 |
ES2012741T3 true ES2012741T3 (es) | 1992-05-16 |
Family
ID=10632877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES198989302077T Expired - Lifetime ES2012741T3 (es) | 1988-03-04 | 1989-03-02 | Composiciones polimericas extruidas en fusion y procedimiento para moldearlas. |
Country Status (12)
Country | Link |
---|---|
US (1) | US4968469A (es) |
EP (1) | EP0331485B1 (es) |
JP (1) | JP2901632B2 (es) |
AT (1) | ATE69763T1 (es) |
AU (1) | AU611537B2 (es) |
CA (1) | CA1323169C (es) |
DE (2) | DE68900459D1 (es) |
ES (1) | ES2012741T3 (es) |
GB (1) | GB8805243D0 (es) |
GR (1) | GR3003663T3 (es) |
PH (1) | PH25366A (es) |
ZA (1) | ZA891372B (es) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE131853T1 (de) * | 1990-09-28 | 1996-01-15 | Grace W R & Co | Verschlussdichtungen für behälter |
GB9026053D0 (en) * | 1990-11-30 | 1991-01-16 | Grace W R & Co | Containers and compositions for sealing them |
AU656588B2 (en) * | 1991-06-20 | 1995-02-09 | Chemtura Corporation | Automotive weatherstripping |
GB9206697D0 (en) * | 1992-03-27 | 1992-05-13 | Grace W R & Co | Foamable compositions for container closure gaskets |
US6868892B2 (en) * | 1999-10-01 | 2005-03-22 | International Engine Intellectual Property Company, Llc | Ceramic fiber core for casting |
EP1167441B1 (en) * | 2000-06-29 | 2015-07-29 | 3M Innovative Properties Company | Fluoroelastomer composition comprising a mineral oil |
ITBO20020683A1 (it) * | 2002-10-31 | 2004-05-01 | Sacmi | Dispositivo per il prelievo di dosi di materiale plastico da un estrusore |
US6806313B2 (en) | 2003-03-05 | 2004-10-19 | W. R. Grace & Co.-Conn. | Erucamide-free closure and liner compositions |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2558584A (en) * | 1946-05-29 | 1951-06-26 | Gen Electric | Processing of synthetic rubbers with oily organopolysiloxane |
IT563327A (es) * | 1955-12-05 | |||
NL126303C (es) * | 1965-01-08 | 1900-01-01 | ||
US3705122A (en) * | 1967-07-27 | 1972-12-05 | Zapata Industries Inc | Compositions for molding sealing liners or the like having contrasting colors |
US3600309A (en) * | 1968-01-12 | 1971-08-17 | Wyrough & Loser | Solid lubricant for reducing die-plating and die-drag during the extrusion of viscous rubber and elastomeric plastic compositions |
US3940455A (en) * | 1970-08-31 | 1976-02-24 | The United States Of America As Represented By The Secretary Of The Navy | Hydrocarbon polymers |
JPS4828542A (es) * | 1971-08-18 | 1973-04-16 | ||
JPS50129639A (es) * | 1974-04-02 | 1975-10-14 | ||
US4277431A (en) * | 1977-11-30 | 1981-07-07 | H-C Industries, Inc. | Method of dispensing metered charges of material |
US4497765A (en) * | 1979-09-21 | 1985-02-05 | H-C Industries, Inc. | Process for making a closure |
US4343754A (en) * | 1979-09-21 | 1982-08-10 | H-C Industries, Inc. | Process and apparatus for molding liners in container closures |
CA1158822A (en) * | 1980-07-11 | 1983-12-20 | William S. Spamer | Low friction track and extrusion process |
AU560751B2 (en) * | 1981-07-24 | 1987-04-16 | H-C Industries Inc. | Plastic bottle closure |
JPS58132038A (ja) * | 1982-02-01 | 1983-08-06 | Mitsubishi Monsanto Chem Co | 耐摩耗性スチレン系樹脂組成物及びその製造方法 |
IT1156679B (it) * | 1982-10-07 | 1987-02-04 | Sacmi Cooperativa Macchinari I | Apparecchiatura per formare la guarnizione in materiale plastico in tappi comprendenti uno scodellino, come i tappi a vite, a corona e simili |
US4535113A (en) * | 1984-03-13 | 1985-08-13 | Union Carbide Corporation | Olefin polymer compositions containing silicone additives and the use thereof in the production of film material |
US4622193A (en) * | 1984-06-15 | 1986-11-11 | Exxon Research & Engineering Co. | Method for making free flowing coated rubber pellets |
US4623589A (en) * | 1985-02-13 | 1986-11-18 | Usm Corporation | Particulate polymeric materials and methods for using particulate polymeric materials |
JPH0618952B2 (ja) * | 1985-02-28 | 1994-03-16 | 三井石油化学工業株式会社 | ポリ4−メチル−1−ペンテン組成物及びその製法 |
IT1202154B (it) * | 1985-06-24 | 1989-02-02 | Sacmi | Apparecchiatura per l'applicazione di una guarnizione all'interno di tappi comprendenti uno scodellino,come i tappi a vite ed a corona |
JPS62106904A (ja) * | 1985-11-05 | 1987-05-18 | Nippon Synthetic Chem Ind Co Ltd:The | 品質の改善されたエチレン−酢酸ビニル共重合体ケン化物ペレツトの製造方法 |
DE3620690C2 (de) * | 1986-06-20 | 1994-02-17 | Ds Chemie Gmbh | Dichtungselement |
US4740341A (en) * | 1986-08-29 | 1988-04-26 | Mobil Oil Corporation | Linear polyethylene, fluorocarbon polymer and polyalkylsiloxane compositions, and improved method of film extrusion using same |
JPS63264667A (ja) * | 1987-04-22 | 1988-11-01 | Mitsui Toatsu Chem Inc | 芳香族ポリスルホン樹脂成形材料 |
-
1988
- 1988-03-04 GB GB888805243A patent/GB8805243D0/en active Pending
-
1989
- 1989-02-22 ZA ZA891372A patent/ZA891372B/xx unknown
- 1989-03-02 EP EP89302077A patent/EP0331485B1/en not_active Expired - Lifetime
- 1989-03-02 ES ES198989302077T patent/ES2012741T3/es not_active Expired - Lifetime
- 1989-03-02 DE DE8989302077T patent/DE68900459D1/de not_active Expired - Lifetime
- 1989-03-02 AT AT89302077T patent/ATE69763T1/de not_active IP Right Cessation
- 1989-03-02 JP JP1048688A patent/JP2901632B2/ja not_active Expired - Lifetime
- 1989-03-02 DE DE198989302077T patent/DE331485T1/de active Pending
- 1989-03-03 AU AU30938/89A patent/AU611537B2/en not_active Ceased
- 1989-03-03 PH PH38276A patent/PH25366A/en unknown
- 1989-03-03 CA CA000592748A patent/CA1323169C/en not_active Expired - Fee Related
-
1990
- 1990-02-16 US US07/484,456 patent/US4968469A/en not_active Expired - Lifetime
-
1992
- 1992-01-27 GR GR920400093T patent/GR3003663T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
GB8805243D0 (en) | 1988-04-07 |
ES2012741A4 (es) | 1990-04-16 |
EP0331485B1 (en) | 1991-11-27 |
ZA891372B (en) | 1989-11-29 |
GR3003663T3 (es) | 1993-03-16 |
AU611537B2 (en) | 1991-06-13 |
DE331485T1 (de) | 1990-05-23 |
JPH01280508A (ja) | 1989-11-10 |
DE68900459D1 (de) | 1992-01-09 |
CA1323169C (en) | 1993-10-19 |
US4968469A (en) | 1990-11-06 |
AU3093889A (en) | 1989-09-07 |
ATE69763T1 (de) | 1991-12-15 |
JP2901632B2 (ja) | 1999-06-07 |
PH25366A (en) | 1991-05-13 |
EP0331485A1 (en) | 1989-09-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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