FI66309B - Foerfarande och anordning foer kontinuerlig straengsprutning av ett tvaerbundet isolermaterial - Google Patents
Foerfarande och anordning foer kontinuerlig straengsprutning av ett tvaerbundet isolermaterial Download PDFInfo
- Publication number
- FI66309B FI66309B FI790274A FI790274A FI66309B FI 66309 B FI66309 B FI 66309B FI 790274 A FI790274 A FI 790274A FI 790274 A FI790274 A FI 790274A FI 66309 B FI66309 B FI 66309B
- Authority
- FI
- Finland
- Prior art keywords
- temperature
- extrusion
- insulating material
- cross
- mixture
- Prior art date
Links
- 238000010276 construction Methods 0.000 title 1
- 239000012774 insulation material Substances 0.000 title 1
- 238000004132 cross linking Methods 0.000 claims description 41
- 239000000463 material Substances 0.000 claims description 34
- 239000011810 insulating material Substances 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 28
- 239000000203 mixture Substances 0.000 claims description 23
- 238000001125 extrusion Methods 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 19
- 238000002347 injection Methods 0.000 claims description 17
- 239000007924 injection Substances 0.000 claims description 17
- 239000004698 Polyethylene Substances 0.000 claims description 14
- 229920000573 polyethylene Polymers 0.000 claims description 14
- -1 polyethylene Polymers 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 150000001451 organic peroxides Chemical class 0.000 claims description 4
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 3
- 239000012212 insulator Substances 0.000 claims description 3
- 230000000979 retarding effect Effects 0.000 claims description 3
- 239000005662 Paraffin oil Substances 0.000 claims description 2
- 239000000243 solution Substances 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims 3
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000002826 coolant Substances 0.000 claims 1
- 239000003431 cross linking reagent Substances 0.000 description 24
- 150000002978 peroxides Chemical class 0.000 description 24
- 239000000126 substance Substances 0.000 description 11
- 238000001914 filtration Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000576 coating method Methods 0.000 description 4
- 239000003963 antioxidant agent Substances 0.000 description 3
- 230000003078 antioxidant effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000265 homogenisation Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000002028 premature Effects 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000012438 extruded product Nutrition 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 239000002923 metal particle Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000013528 metallic particle Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/83—Heating or cooling the cylinders
- B29C48/832—Heating
-
- 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
- B29C48/06—Rod-shaped
-
- 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
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
- B29C48/2883—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules of preformed parts, e.g. inserts fed and transported generally uninfluenced through the extruder or inserts fed directly to the die
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/29—Feeding the extrusion material to the extruder in liquid form
-
- 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
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; 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
- 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
- B29C48/05—Filamentary, e.g. strands
-
- 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
- B29K2101/00—Use of unspecified macromolecular compounds as moulding material
- B29K2101/10—Thermosetting resins
-
- 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
- B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
-
- 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
- B29K2301/00—Use of unspecified macromolecular compounds as reinforcement
- B29K2301/10—Thermosetting resins
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
- Socks And Pantyhose (AREA)
- Processes Specially Adapted For Manufacturing Cables (AREA)
Claims (11)
1. Förfarande för kontinuerlig strängsprutning av ett tvärbundet isolermaterial i ett slutet utrymme, i vilket förfarande ett tvär-bindbart isolermaterial (11) ledes genom en uppvärmd strängsprut-ningsmaskin (13) och en bryggbildare (16) insprutas i isolermate-rialet i strömningsriktningen ett kort avständ före spruthuvudet (17), och i vilket förfarande blandningen som innefattar brygg-bildaren uppvärmes tili en temperatur som Sr i närheten av den högsta temperaturen för strängsprutning av blandningen sä att den slutliga tvärbindningen äger rum däri, kännetecknat av att förfarandet omfattar de följande stegen: - det tvärbindbara isolermaterialet (11) ledes genom strängsprut-ningsmaskinen (13) som är uppvärmd tili en temperatur närä den högsta tillätna temperaturen för materialet, cirka 2D0°C, för att bringa materialet tili ett sä tunnflytande tillständ som möjligtl - det tvärbindbara isolermaterialet (11) filtreras vid nämnda temperatur; - det filtrerade materialet kyles tili en temperatur som är nägot lägre (cirka 150°C) än reaktionstemperaturen för bryggbildaren (16); - bryggbildaren (16) insprutas efter kylningssteget i isolermaterial e t - det tvärbindbara isolermaterialet (11) och bryggbildaren (16) blandas med varandra,' och - temperaturen hos blandningen höjes tili närheten av den högsta temperaturen för strängsprutning av blandningen sä att den slutliga tvärbindningen äger rum däri.
2. Förfarande enligt patentkrav 1, kännetecknat av att en tvärbindningsretardator frän början sättes tili det tvärbindbara isolermaterialet (11).
3. Förfarande enligt patentkrav 1, kännetecknat av att en tvärbindningsretardator frän början sättes tili bryggbildaren (16).
4. Förfarande enligt patentkrav 1, kännetecknat av att bryggbildaren (16) är en lösning i en vätskeformig bärare.
5. Förfarande enligt nägot av patentkraven 1-4, kännetecknat av att det tvärbindbara materialet (11) är polyeten. 15 66309
6. Förfarande enligt nägot av patentKraven 1-5, känneteck-n a t av att bryggbildaren (16) är en organisk peroxid, säsom dicumylperoxid.
7. Förfarande enligt patentkrav 4, kännetecknatav att den vätskeformiga bäraren är en paraffinolja.
8. Anordning för kontinuerlig strängsprutning av ett tvärbundet isolermaterial genom förfarandet enligt nägot av patentkraven 1-7, vilken anordning omfattar en uppvärmbar strängsprutningskropp (13), ett spruthuvud (17,IV) ooh en injektor (15,111) för insprut-ning av en bryggbildare (16) i ett ställe i strömningsriktningen ett kort avständ före spruthuvudet, och i vilken anordning bland-ningen som innefattar bryggbildaren är uppvärmbar tili en tempera-tur som är i närheten av den högsta temperaturen för strängsprutning av biandningen sä att den slutliga tvärbindningen äger rum däri, kännetecknadav att anordningen omfattar ett filter (14) som är beläget i närheten av utloppet frän nämnda strängsprutningskropp (13), att nämnda injektor (15,111) för bryggbildaren (16) är anordnad mellan filtret och nämnda spruthuvud (17,IV), och att ett kylmedel har anordnats mellan filtret och injektorn, varvid temperaturerna i anordningens olika zoner l kan regleres pä sädant sätt, att strängsprutningskroppen kan upp-värmas tili en temperatur närä den högsta tillätna temperaturen för materialet, cirka 200°C, för att bringa materialet tili ett sä tunnflytande tillständ som möjligt och det filtrerade materialet kan kylas tili en temperatur som är nägot lägre än reaktionstemper-aturen för bryggbildaren, dvs. cirka 150°C.
9. Anordning enligt patentkrav Θ, kännetecknadav att den omfattar en blandningsanordning mellan injektorn (15,111) och spruthuvudet (17,IV).
10. Anordning enligt patentkrav 9, kännetecknadav att blandningsanordningen bestär av en extra strängsprutningsanordning.
11. Anordning enligt patentkrav 9, kännetecknadav att injektorn (III) är ansluten tili en profilerad strömningskanal för det tvärbindbara materialet (11) som är anordnad koncentriskt i förhällande tili en kabel (21) som skall beläggas med det sträng-sprutade materialet, och att insprutningen har anordnats att äga
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7802942 | 1978-02-02 | ||
| FR7802942A FR2416106A1 (fr) | 1978-02-02 | 1978-02-02 | Procede et dispositif d'extrusion d'un produit reticule |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI790274A FI790274A (fi) | 1979-08-03 |
| FI66309B true FI66309B (fi) | 1984-06-29 |
| FI66309C FI66309C (fi) | 1984-10-10 |
Family
ID=9204139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI790274A FI66309C (fi) | 1978-02-02 | 1979-01-26 | Foerfarande och anordning foer kontinuerlig straengsprutning av ett tvaerbundet isolermaterial |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US4234531A (sv) |
| EP (1) | EP0003701B1 (sv) |
| JP (1) | JPS54113654A (sv) |
| BE (1) | BE891058A (sv) |
| DE (1) | DE2962662D1 (sv) |
| FI (1) | FI66309C (sv) |
| FR (1) | FR2416106A1 (sv) |
| NO (1) | NO151602C (sv) |
Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2508376A2 (fr) * | 1978-02-02 | 1982-12-31 | Silec Liaisons Elec | Perfectionnements aux dispositifs d'extrusion en continu et en milieu ferme d'un produit reticule |
| DE2908457C2 (de) * | 1979-03-05 | 1986-09-18 | kabelmetal electro GmbH, 3000 Hannover | Verfahren zur kontinuierlichen Herstellung von Umhüllungen, insbesondere Isolierungen, für elektrische Kabel |
| US4528155A (en) * | 1983-07-12 | 1985-07-09 | Alcan Aluminum Corporation | Production of cross-linked polymeric extruded articles |
| EP0234074A1 (en) * | 1986-02-21 | 1987-09-02 | CROMPTON & KNOWLES CORPORATION | Manufacture of elongate cross-linked products |
| US4595546A (en) * | 1983-11-14 | 1986-06-17 | Crompton & Knowles Corporation | Manufacture of elongated extruded cross-linked products |
| US4857250A (en) * | 1984-04-13 | 1989-08-15 | Union Carbide Corporation | One-extrusion method of making a shaped crosslinkable extruded polymeric product |
| GB8411539D0 (en) * | 1984-05-04 | 1984-06-13 | Gen Eng Radcliffe Ltd | Modifying extruded material |
| FR2615144B1 (fr) * | 1987-05-14 | 1989-11-10 | Clextral | Procede et installation de preparation en continu de produits constitues d'une charge a base de liquide et d'un liant thermoplastique |
| US5182066A (en) * | 1991-11-27 | 1993-01-26 | Pirelli Cable Corporation | Extrusion process and apparatus for low contaminant cable insulation |
| EP0702032B1 (en) * | 1994-09-19 | 2002-11-27 | Sentinel Products Corp. | Cross-linked foam structures of essentially linear polyolefines and process for manufacture |
| US5929129A (en) * | 1994-09-19 | 1999-07-27 | Sentinel Products Corp. | Crosslinked foamable compositions of silane-grafted, essentially linear polyolefins blended with polypropylene |
| US5883144A (en) * | 1994-09-19 | 1999-03-16 | Sentinel Products Corp. | Silane-grafted materials for solid and foam applications |
| US5932659A (en) | 1994-09-19 | 1999-08-03 | Sentinel Products Corp. | Polymer blend |
| US5589519A (en) * | 1994-09-30 | 1996-12-31 | Knaus; Dennis A. | Process of extruding lightly crosslinked polyolefin foam |
| JPH08298032A (ja) * | 1995-04-25 | 1996-11-12 | Nippon Unicar Co Ltd | 架橋ポリエチレン絶縁電力ケーブルの製造方法 |
| US5844009A (en) * | 1996-04-26 | 1998-12-01 | Sentinel Products Corp. | Cross-linked low-density polymer foam |
| CA2203595A1 (en) | 1996-04-26 | 1997-10-26 | Robert F. Hurley | Cross-linked polyolefin tape |
| US5882776A (en) * | 1996-07-09 | 1999-03-16 | Sentinel Products Corp. | Laminated foam structures with enhanced properties |
| US5876813A (en) | 1996-07-09 | 1999-03-02 | Senitnel Products Corp | Laminated foam structures with enhanced properties |
| US5938878A (en) | 1996-08-16 | 1999-08-17 | Sentinel Products Corp. | Polymer structures with enhanced properties |
| US6743387B2 (en) * | 1999-08-09 | 2004-06-01 | Pirelli Cavi E Sistemi S.P.A. | Process for the production of a cable and device for performing this process |
| US6537471B2 (en) * | 1999-12-14 | 2003-03-25 | Microhelix, Inc. | Method for producing ultra thin wall extrusions |
| US7794559B2 (en) | 2000-03-14 | 2010-09-14 | Velcro Industries B.V. | Forming fastening projections on rigid substrates |
| US20060210762A1 (en) * | 2005-03-17 | 2006-09-21 | Tachauer Ernesto S | Rigid subtrates having molded projections, and methods of making the same |
| US8678807B2 (en) * | 2000-10-24 | 2014-03-25 | Velcro Industries B.V. | Molding apparatus and related methods |
| DE60139516D1 (de) * | 2000-10-25 | 2009-09-17 | Velcro Ind | Verfahren zur kontinuierlichen Herstellung eines elektrischen Kabels |
| JP4420050B2 (ja) | 2007-03-27 | 2010-02-24 | ブラザー工業株式会社 | ミシンの押え装置及びミシン |
| US8061886B1 (en) | 2008-04-30 | 2011-11-22 | Velcro Industries B.V. | Securing electrical devices |
| US8822824B2 (en) | 2011-04-12 | 2014-09-02 | Prestolite Wire Llc | Methods of manufacturing wire, multi-layer wire pre-products and wires |
| US20120261160A1 (en) | 2011-04-13 | 2012-10-18 | Prestolite Wire Llc | Methods of manufacturing wire, wire pre-products and wires |
| JP5614375B2 (ja) * | 2011-06-09 | 2014-10-29 | 日立金属株式会社 | シラン架橋ポリオレフィン絶縁電線 |
| FR2995716B1 (fr) * | 2012-09-17 | 2014-09-05 | Silec Cable | Procede de fabrication d'un cable de transport d'energie electrique et cable fabrique par un tel procede |
| CN104228036B (zh) * | 2013-06-19 | 2016-08-10 | 中国石油化工股份有限公司 | 向成型料中添加助剂的方法和用于制备超高压电缆料的成型料和制备超高压电缆料的方法 |
| WO2016059234A1 (en) * | 2014-10-17 | 2016-04-21 | Signus Ecovalor, S.L. | Continuous process for the manufacture of a solid object by extruding granulated vulcanised rubber with a thermoset resin |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA427868A (en) * | 1941-04-23 | 1945-05-29 | Stanley Jesionowski Raymond | Plastic extrusion method and apparatus |
| US2443289A (en) * | 1941-04-23 | 1948-06-15 | Plax Corp | Apparatus for shaping plastics by extrusion |
| US2478013A (en) * | 1942-02-09 | 1949-08-02 | Fred M Roddy | Process for preparing and fashioning thermoplastic and thermosetting materials |
| US2539128A (en) * | 1946-08-30 | 1951-01-23 | Western Electric Co | Strainer for plastic material |
| US2528523A (en) * | 1948-06-12 | 1950-11-07 | Du Pont | Process for extruding and insolubilizing polymers of ethylene |
| US2911676A (en) * | 1956-05-08 | 1959-11-10 | Western Electric Co | Apparatus for extruding plastic material |
| DE1303639C2 (de) * | 1963-01-12 | 1973-01-04 | Ankerwerk Nuernberg Gmbh | Verfahren zur herstellung von teilen aus vernetzenden kunststoffen auf spritzgiessmaschinen |
| US3275731A (en) * | 1963-01-25 | 1966-09-27 | Phillips Petroleum Co | Material blending |
| GB1092225A (en) * | 1965-11-10 | 1967-11-22 | Standard Telephones Cables Ltd | Improvements in or relating to the extrusion of chemically crossed linked polymer or copolymers |
| GB1164842A (en) * | 1966-05-20 | 1969-09-24 | Ici Ltd | Rope Structures |
| DE2022802A1 (de) * | 1970-05-09 | 1971-11-25 | Herberts & Co Gmbh Dr Kurt | Verfahren zur Herstellung eines Kunststoffumhuellung fuer Metalldraehte |
| CA957473A (en) * | 1970-10-28 | 1974-11-12 | E. I. Du Pont De Nemours And Company | Process for continuously extruding crosslinkable polyethylene compositions |
| GB1471115A (en) * | 1973-04-11 | 1977-04-21 | Gen Engineering Co | Extrusion of plastics materials |
| DE2331986A1 (de) * | 1973-06-20 | 1975-01-23 | Siemens Ag | Extruderspritzkopf |
| JPS5428582B2 (sv) * | 1973-08-09 | 1979-09-18 | ||
| US4091064A (en) * | 1973-08-22 | 1978-05-23 | Dainichi Nihon Densen Kabushiki Kaisha | Process for producing electric cable insulated with cured polyolefin |
| DE2445698C2 (de) * | 1974-09-25 | 1983-05-26 | Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover | Verfahren und Vorrichtung zum Herstellen von Strängen aus vernetzbaren Thermoplasten oder vulkanisierbaren Elastomeren |
| GB1534299A (en) * | 1975-09-26 | 1978-11-29 | Bicc Ltd | Manufacture of extruded products |
| GB1601698A (en) * | 1977-08-20 | 1981-11-04 | Gen Eng Radcliffe | Extrusion method and apparatus therefor |
| US4155690A (en) * | 1978-05-30 | 1979-05-22 | Northern Telecom Limited | Continuous production of cross-linked polyethylene |
-
1978
- 1978-02-02 FR FR7802942A patent/FR2416106A1/fr active Granted
-
1979
- 1979-01-26 FI FI790274A patent/FI66309C/fi not_active IP Right Cessation
- 1979-02-01 US US06/008,574 patent/US4234531A/en not_active Expired - Lifetime
- 1979-02-01 DE DE7979400069T patent/DE2962662D1/de not_active Expired
- 1979-02-01 NO NO790337A patent/NO151602C/no unknown
- 1979-02-01 EP EP79400069A patent/EP0003701B1/fr not_active Expired
- 1979-02-02 JP JP1181079A patent/JPS54113654A/ja active Pending
- 1979-11-16 US US06/094,929 patent/US4285648A/en not_active Expired - Lifetime
-
1981
- 1981-11-10 BE BE0/206493A patent/BE891058A/fr not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NO151602B (no) | 1985-01-21 |
| FI66309C (fi) | 1984-10-10 |
| US4285648A (en) | 1981-08-25 |
| FR2416106B1 (sv) | 1980-06-20 |
| EP0003701A1 (fr) | 1979-08-22 |
| NO151602C (no) | 1985-05-08 |
| US4234531A (en) | 1980-11-18 |
| DE2962662D1 (en) | 1982-06-24 |
| FR2416106A1 (fr) | 1979-08-31 |
| EP0003701B1 (fr) | 1982-05-05 |
| NO790337L (no) | 1979-08-03 |
| FI790274A (fi) | 1979-08-03 |
| JPS54113654A (en) | 1979-09-05 |
| BE891058A (fr) | 1982-05-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed | ||
| MM | Patent lapsed |
Owner name: SOCIETE INDUSTRIELLE DE LIAISONS |