DE1604711A1 - Device for guiding and spreading the hot foil in the manufacture of plastic containers - Google Patents
Device for guiding and spreading the hot foil in the manufacture of plastic containersInfo
- Publication number
- DE1604711A1 DE1604711A1 DE19661604711 DE1604711A DE1604711A1 DE 1604711 A1 DE1604711 A1 DE 1604711A1 DE 19661604711 DE19661604711 DE 19661604711 DE 1604711 A DE1604711 A DE 1604711A DE 1604711 A1 DE1604711 A1 DE 1604711A1
- Authority
- DE
- Germany
- Prior art keywords
- spreading
- guiding
- manufacture
- plastic containers
- guide
- 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.)
- Pending
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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/02—Bending or folding
- B29C53/04—Bending or folding of plates or sheets
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/06905—Using combined techniques for making the preform
- B29C49/0691—Using combined techniques for making the preform using sheet like material, e.g. sheet blow-moulding from joined sheets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Laminated Bodies (AREA)
Description
Vorrichtung zur Führung und Spreizung der heißen Folie bei der Herstellung von Behältern aus Kunststoffen Die Erfindung betrifft eine Vorrichtung zur Führung und Spreizung heisser Folien bei der Herstellung von Behältern aus Kunststoffen mit mechanischen Mitteln. Device for guiding and spreading the hot foil during manufacture of containers made of plastics The invention relates to a device for guiding and spreading of hot foils in the manufacture of plastic containers by mechanical means.
Bei bekannten Vorrichtungen, in denen aus Folienbändern Behälter hergestellt werden, werden die Folienbänder durch eine Heizzone geführt und # aufgeheizt, um dann in einer gekühlten Form endgültig geformt zu werden. Das Folienband durchläuft die Stationen intermittierend.In known devices in which containers are made from foil strips the foil strips are passed through a heating zone and # heated to then to be finally molded in a chilled mold. The foil tape runs through the stations intermittently.
Naturgemäß würde die Folie bei der. Erwärmung durchhängen und ungleichmäßig in die Form einlaufen. Um dies und ein Festkleben der Folie an der'heißen FUhrung, auch aneinander, zu vermeiden, benutzen die bekannten Vorrichtungen Spiralbänder, die über Rollen lauren.-Mit Federn bestückte Spreizvorrichtungen führen die Folie in die Form ein. Sowohl Spiralbänder als auch Spreizvorrichtungen weisen aber im Dauerbetrieb große Nachteile auf. Das Festkleben des Kunststoffes an dem heißen Metalk der Spirale läßt sich nie ganz vermeiden. Das Band, seine Laurrollen und Führungen rosten, außerdem verachmoren auch die Lager der Rollen. Schleifend ließ sich die heiße Folie bis Jetzt nicht transportieren, Metalle, Glas, NE-Metalle, Textilien usw. ließen sich als Gleitmedium nicht verwenden. Daß Festkleben der Folie trat genauso bei den Spreizvorrichtungen auf, die zum Teil innerhalb der Heiozzone liegen.Naturally, the film would be used in the. Warming sagging and uneven run into the mold. To do this and stick the film to the hot guide, also to avoid each other, the known devices use spiral belts, the spreading devices fitted with springs guide the film into the form. However, both spiral belts and spreading devices have in Continuous operation has major disadvantages. The sticking of the plastic to the hot Metal of the spiral can never be completely avoided. The tape, its laurels and Guides rust, and the roller bearings also rot. Left grinding the hot foil cannot be transported until now, metals, glass, non-ferrous metals, Textiles, etc. could not be used as the lubricating medium. That sticking of the foil also occurred with the spreading devices, some of them within the Heioz zone lie.
Die Erfindung zeigt einen einfachen und vor allem billigen Weg auf, diese Nachteile zu vermeiden.The invention shows a simple and, above all, cheap way to avoid these disadvantages.
Die Erfindung zeichnet sich dadurch aus, daß die Führung der Folie in Holz, Elienbein, Keramikmaterial oder Kunststoff ausgeführt ist.The invention is characterized in that the guide of the film is made of wood, ivory, ceramic material or plastic.
Als vorteilhaft hat es sich dabei erwiesen, die Oberfläche der Führung zu schleifen. Bei Verwendung von Holz empfiehlt sich besonders Ebenholz, Palisander oder Pookholz.It has proven to be advantageous to use the surface of the guide to grind. When using wood, ebony and rosewood are particularly recommended or pook wood.
Die Erfindung läßt sich besonders gut ausnutzen, wenn man die der Führung und Spreizung dienenden Mittel im wesentlichen als in Folienförderrichtung verlaufenden Rundstab und einfache, glatte Spreizleisten ausbildet. Anstelle der Spreizleisten können auch schraggestellte Rollen Verwendung finden.The invention can be exploited particularly well if one of the Guiding and spreading serving means essentially as in the film conveying direction running round bar and simple, smooth spreading strips. Instead of Spreader bars can also be used with inclined rollers.
Die Zeichnung zeigt schematisch ein Ausführungsbeispiel der Erfindung.The drawing shows schematically an embodiment of the invention.
1 ist die Folie, die zwischen den beiden Heizvorrichtungen 2 einläuft.1 is the film that runs in between the two heating devices 2.
Um das Durchbiegen der Folie bei 3 zu vermeiden, wird ein Rundstab 4 aus oben genanntem Material mittig durch die Heizzone geführt. Die Spreizung der Folie bei 5 erfolgt durch hölzerne, glatte Leisten. Die erhitzte Folie läuft anschließend in die Form 6 ein und wird dort verformt (ausgeblasen).In order to avoid bending the foil at 3, a round rod is used 4 made of the above material guided through the middle of the heating zone. The spread of the Slide at 5 takes place through wooden, smooth strips. The heated film then runs into the mold 6 and is deformed (blown out) there.
Die Spreizleisten 5 sind in an sich bekannter Weise betestigt. Sie können aber auch am Stab 4 angelenkt sein. Der¢Stab 4 ersetzt die auf Rollen umlaufende Spiral- oder andere Feder der bekannten, älteren Vorrichtungen.The spreading strips 5 are attached in a manner known per se. she but can also be hinged to the rod 4. The ¢ rod 4 replaces the one rotating on rollers Coil or other spring of the known, older devices.
Claims (4)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DER0044626 | 1966-11-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1604711A1 true DE1604711A1 (en) | 1971-01-07 |
Family
ID=7407367
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19661604711 Pending DE1604711A1 (en) | 1966-11-22 | 1966-11-22 | Device for guiding and spreading the hot foil in the manufacture of plastic containers |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE1604711A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001025089A2 (en) * | 1999-10-07 | 2001-04-12 | Elopak Systems A/G | Apparatus and methods for packaging products in blow-thermoformed plastic containers |
-
1966
- 1966-11-22 DE DE19661604711 patent/DE1604711A1/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001025089A2 (en) * | 1999-10-07 | 2001-04-12 | Elopak Systems A/G | Apparatus and methods for packaging products in blow-thermoformed plastic containers |
WO2001025089A3 (en) * | 1999-10-07 | 2001-10-18 | Elopak Systems | Apparatus and methods for packaging products in blow-thermoformed plastic containers |
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