DE2252219B2 - Verfahren und vorrichtung zum herstellen von duennwandigen formlingen aus thermoplastischem kunststoff - Google Patents
Verfahren und vorrichtung zum herstellen von duennwandigen formlingen aus thermoplastischem kunststoffInfo
- Publication number
- DE2252219B2 DE2252219B2 DE19722252219 DE2252219A DE2252219B2 DE 2252219 B2 DE2252219 B2 DE 2252219B2 DE 19722252219 DE19722252219 DE 19722252219 DE 2252219 A DE2252219 A DE 2252219A DE 2252219 B2 DE2252219 B2 DE 2252219B2
- Authority
- DE
- Germany
- Prior art keywords
- tape
- thermoforming
- temperature
- band
- plastic
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims description 28
- 229920001169 thermoplastic Polymers 0.000 title claims description 12
- 238000003856 thermoforming Methods 0.000 claims description 75
- 239000004033 plastic Substances 0.000 claims description 73
- 229920003023 plastic Polymers 0.000 claims description 73
- 238000000465 moulding Methods 0.000 claims description 44
- 239000000463 material Substances 0.000 claims description 32
- 230000006641 stabilisation Effects 0.000 claims description 30
- 238000011105 stabilization Methods 0.000 claims description 30
- 238000001816 cooling Methods 0.000 claims description 26
- 239000012815 thermoplastic material Substances 0.000 claims description 17
- 238000001125 extrusion Methods 0.000 claims description 15
- 239000002131 composite material Substances 0.000 claims description 13
- 230000000087 stabilizing effect Effects 0.000 claims description 13
- 230000003750 conditioning effect Effects 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 6
- 230000001143 conditioned effect Effects 0.000 claims description 4
- 239000003000 extruded plastic Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000004049 embossing Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 239000004793 Polystyrene Substances 0.000 description 12
- 239000010410 layer Substances 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- 229920002223 polystyrene Polymers 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000009757 thermoplastic moulding Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000010792 warming 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/42—Heating or cooling
- B29C51/421—Heating or cooling of preforms, specially adapted for thermoforming
- B29C51/422—Heating or cooling of preforms, specially adapted for thermoforming to produce a temperature differential
- B29C51/423—Heating or cooling of preforms, specially adapted for thermoforming to produce a temperature differential through the thickness of the preform
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/18—Thermoforming apparatus
-
- 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
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/46—Measuring, controlling or regulating
-
- 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
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0094—Geometrical properties
- B29K2995/0096—Dimensional stability
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Priority Applications (18)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722252219 DE2252219B2 (de) | 1972-10-25 | 1972-10-25 | Verfahren und vorrichtung zum herstellen von duennwandigen formlingen aus thermoplastischem kunststoff |
| SE7311213A SE399203B (sv) | 1972-10-25 | 1973-08-17 | Sett och anordning for att av termoplast framstella tunnveggiga foremal |
| FI2956/73A FI57363C (fi) | 1972-10-25 | 1973-09-21 | Foerfarande och anordning foer framstaellning av tunnvaeggiga presstycken av termoplastisk plast |
| NL7313294A NL7313294A (en) | 1972-10-25 | 1973-09-27 | Thin-walled thermoplastic mouldings - cooling surfaces of plastic strip leaving centre at extrusion temp. |
| CH1393973A CH579448A5 (https=) | 1972-10-25 | 1973-09-28 | |
| ZA738137*A ZA738137B (en) | 1972-10-25 | 1973-10-19 | Method and apparatus for the manufacture of thin-walled shaped articles of thermoplastic material |
| BR8230/73A BR7308230D0 (pt) | 1972-10-25 | 1973-10-22 | Processo para producao de pecas moldadas de paredes finas de material termoplastico, e dispositivo para a execucao do mesmo |
| GB4960673A GB1443523A (en) | 1972-10-25 | 1973-10-24 | Methods and machines for manufacturing articles from thermo plastics sheet material |
| AT900073A AT352387B (de) | 1972-10-25 | 1973-10-24 | Verfahren und vorrichtung zum herstellen von duennwandigen hohlkoerpern aus thermoplastischem kunststoff |
| FR7337882A FR2204496A1 (en) | 1972-10-25 | 1973-10-24 | In line thermoforming thin walled plastics articles - from band with cooled surface skin but hot core, avoids marks on finished product |
| CA184,126A CA1019117A (en) | 1972-10-25 | 1973-10-24 | Method and apparatus for the manufacture of thin-walled shaped articles of thermoplastic material |
| AU61839/73A AU469429B2 (en) | 1972-10-25 | 1973-10-25 | Method and apparatus for forming thin-walled articles from thermplastic material |
| ES419942A ES419942A1 (es) | 1972-10-25 | 1973-10-25 | Procedimiento de fabricacion de piezas con forma de pared delgada, de materia termoplastica. |
| NLAANVRAGE7314718,A NL172928C (nl) | 1972-10-25 | 1973-10-25 | Werkwijze en inrichting voor het vervaardigen van dunwandige vormstukken van thermoplastische kunststof. |
| IT30566/73A IT998961B (it) | 1972-10-25 | 1973-10-25 | Procedimento e dispositivo per produrre oggetti sagomati a parete sottile di materiale termoplastico |
| ES444010A ES444010A1 (es) | 1972-10-25 | 1975-12-31 | Dispositivo de fabricacion de piezas con forma de pared del-gada, de materia termoplastica. |
| US05/717,221 US4039609A (en) | 1972-10-25 | 1976-08-24 | Method for the manufacture of thin-walled shaped articles of thermoplastic material |
| US05/717,750 US4086045A (en) | 1972-10-25 | 1976-08-25 | Apparatus for the manufacture of thin-walled shaped articles of thermoplastic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722252219 DE2252219B2 (de) | 1972-10-25 | 1972-10-25 | Verfahren und vorrichtung zum herstellen von duennwandigen formlingen aus thermoplastischem kunststoff |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2252219A1 DE2252219A1 (de) | 1974-05-02 |
| DE2252219B2 true DE2252219B2 (de) | 1978-02-16 |
Family
ID=5859972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722252219 Ceased DE2252219B2 (de) | 1972-10-25 | 1972-10-25 | Verfahren und vorrichtung zum herstellen von duennwandigen formlingen aus thermoplastischem kunststoff |
Country Status (9)
| Country | Link |
|---|---|
| AT (1) | AT352387B (https=) |
| BR (1) | BR7308230D0 (https=) |
| CH (1) | CH579448A5 (https=) |
| DE (1) | DE2252219B2 (https=) |
| ES (2) | ES419942A1 (https=) |
| FI (1) | FI57363C (https=) |
| FR (1) | FR2204496A1 (https=) |
| SE (1) | SE399203B (https=) |
| ZA (1) | ZA738137B (https=) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3023086A1 (de) * | 1980-06-20 | 1982-01-07 | Bellaplast Maschinenbau GmbH, 6501 Heidesheim | Verfahren und vorrichtung zum herstellen von duennwandigen formlingen aus thermoplastischem kunststoff |
| DE3530309A1 (de) * | 1985-08-24 | 1987-02-26 | Held Kurt | Verfahren und vorrichtung zum kontinuierlichen herstellen thermoplastischer kunststoffbahnen |
| DE3803083C1 (en) * | 1988-02-03 | 1989-04-20 | Er-We-Pa Maschinenfabrik Und Eisengiesserei Gmbh, 4006 Erkrath, De | Process and apparatus for transporting pieces of film web |
| DE3810812A1 (de) * | 1988-03-30 | 1989-10-12 | Continental Ag | Verfahren zur herstellung von foerderbaendern und anlage zu seiner durchfuehrung |
| DE3830889A1 (de) * | 1988-09-10 | 1990-03-22 | Bellaplast Gmbh | Inline-thermoformmaschine |
| DE3907036C1 (en) * | 1989-03-04 | 1990-09-13 | Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover, De | Cooling device for thermoplastic films |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE423878B (sv) * | 1977-07-25 | 1982-06-14 | Bellaplast Gmbh | Forfarande for tillverkning av tunnveggiga artiklar av kristalliskt termoplastiskt material |
| DE8007086U1 (de) * | 1980-03-14 | 1982-03-18 | Multivac Sepp Haggenmüller KG, 8941 Wolfertschwenden | Vorrichtung zum formen von behaeltnissen aus einer folie |
| DE3311988C1 (de) * | 1983-04-02 | 1984-04-19 | Adolf Illig Maschinenbau Gmbh & Co, 7100 Heilbronn | Vorheizeinrichtung zum Erwaermen einer Folienbahn aus thermoplastischem Kunststoff |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH350794A (de) * | 1957-07-09 | 1960-12-15 | Hydro Chemie Aktiengesellschaf | Verfahren zum Erwärmen einer Platte aus thermoplastischem Material mittels Wärmestrahlen und Einrichtung zur Durchführung des Verfahrens |
| FR1306675A (fr) * | 1961-09-04 | 1962-10-19 | Chausson Usines Sa | Dispositif pour l'enduisage et l'imprégnation de feuilles souples |
| BE649837A (https=) * | 1963-12-24 | |||
| FR1388505A (fr) * | 1964-03-27 | 1965-02-05 | Marc Gateau & Cie | Procédé et chaîne automatique perfectionnée de moulage en continu de pots et corps creux en matière plastique, ainsi que les produits obtenus par la mise en oeuvre de ce procédé |
| CH455253A (de) * | 1965-04-29 | 1968-06-28 | Sudo Hiromi | Verfahren zum Pressen von Folien aus thermoplastischen Harzen |
| AT306357B (de) * | 1965-06-17 | 1973-04-10 | Calmec Extruform Ltd | Verfahren und Vorrichtung zum Herstellen von Hohlkörpern durch Tiefziehen einer Folie aus thermoplastischem Kunststoff |
| US3676537A (en) * | 1965-11-18 | 1972-07-11 | Thomas W Winstead | Continuous method of extruding and thero-forming skin-covered foamed thermoplastic articles |
| NL128501C (https=) * | 1967-04-18 | 1900-01-01 | ||
| DE1957708A1 (de) * | 1969-11-17 | 1971-05-19 | Bellaplast Maschinen Verkaufs | Temperiervorrichtung fuer extrudierte thermoplastische Folien |
| FR2087706A5 (en) * | 1970-05-28 | 1971-12-31 | Samafor | Extrusion die for laminate prodn - with at least two slots of variable section |
| DE2143597A1 (de) * | 1970-09-09 | 1972-03-16 | Leesona Corp | Strangpreßvorrichtung zur Herstellung von Kunstharzverbundgebilden oder -laminaten |
-
1972
- 1972-10-25 DE DE19722252219 patent/DE2252219B2/de not_active Ceased
-
1973
- 1973-08-17 SE SE7311213A patent/SE399203B/xx unknown
- 1973-09-21 FI FI2956/73A patent/FI57363C/fi active
- 1973-09-28 CH CH1393973A patent/CH579448A5/xx not_active IP Right Cessation
- 1973-10-19 ZA ZA738137*A patent/ZA738137B/xx unknown
- 1973-10-22 BR BR8230/73A patent/BR7308230D0/pt unknown
- 1973-10-24 FR FR7337882A patent/FR2204496A1/fr active Granted
- 1973-10-24 AT AT900073A patent/AT352387B/de not_active IP Right Cessation
- 1973-10-25 ES ES419942A patent/ES419942A1/es not_active Expired
-
1975
- 1975-12-31 ES ES444010A patent/ES444010A1/es not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3023086A1 (de) * | 1980-06-20 | 1982-01-07 | Bellaplast Maschinenbau GmbH, 6501 Heidesheim | Verfahren und vorrichtung zum herstellen von duennwandigen formlingen aus thermoplastischem kunststoff |
| DE3530309A1 (de) * | 1985-08-24 | 1987-02-26 | Held Kurt | Verfahren und vorrichtung zum kontinuierlichen herstellen thermoplastischer kunststoffbahnen |
| DE3803083C1 (en) * | 1988-02-03 | 1989-04-20 | Er-We-Pa Maschinenfabrik Und Eisengiesserei Gmbh, 4006 Erkrath, De | Process and apparatus for transporting pieces of film web |
| DE3810812A1 (de) * | 1988-03-30 | 1989-10-12 | Continental Ag | Verfahren zur herstellung von foerderbaendern und anlage zu seiner durchfuehrung |
| DE3830889A1 (de) * | 1988-09-10 | 1990-03-22 | Bellaplast Gmbh | Inline-thermoformmaschine |
| DE3907036C1 (en) * | 1989-03-04 | 1990-09-13 | Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover, De | Cooling device for thermoplastic films |
Also Published As
| Publication number | Publication date |
|---|---|
| ES419942A1 (es) | 1976-08-01 |
| FR2204496A1 (en) | 1974-05-24 |
| CH579448A5 (https=) | 1976-09-15 |
| AT352387B (de) | 1979-09-10 |
| FI57363C (fi) | 1980-08-11 |
| FI57363B (fi) | 1980-04-30 |
| SE399203B (sv) | 1978-02-06 |
| DE2252219A1 (de) | 1974-05-02 |
| ATA900073A (de) | 1979-02-15 |
| BR7308230D0 (pt) | 1974-07-25 |
| FR2204496B1 (https=) | 1976-06-18 |
| ES444010A1 (es) | 1977-04-16 |
| ZA738137B (en) | 1974-08-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8235 | Patent refused |