CH521839A - Deep-drawn plastic ware - esp for decorative use and using a single foil for quantity prodn - Google Patents
Deep-drawn plastic ware - esp for decorative use and using a single foil for quantity prodnInfo
- Publication number
- CH521839A CH521839A CH66771A CH66771A CH521839A CH 521839 A CH521839 A CH 521839A CH 66771 A CH66771 A CH 66771A CH 66771 A CH66771 A CH 66771A CH 521839 A CH521839 A CH 521839A
- Authority
- CH
- Switzerland
- Prior art keywords
- objects
- color
- deep
- drawn
- lacquer
- Prior art date
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
- 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
- B29C51/266—Auxiliary operations after the thermoforming operation
- B29C51/268—Cutting, rearranging and joining the cut parts
-
- 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
- B29C51/44—Removing or ejecting moulded articles
- B29C51/445—Removing or ejecting moulded articles from a support after moulding, e.g. by cutting
-
- 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
- B29C2793/00—Shaping techniques involving a cutting or machining operation
- B29C2793/009—Shaping techniques involving a cutting or machining operation after shaping
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
A quantity of hollow articles can be drawn into a multi impression mould from a single sheet of foil, the whole including the mould tool then being passed through a horizontal saw flush with the top plane of the mould to separate the articles from the waste material. A wide range of finishes may be applied either by choice of the basic foil, which may be weather and shatter proof, or by various processes carried out after or even during the drawing operation. The articles amay be more robust by filling with plaster or foamed material.
Description
Verfahren zur Herstellung von tiefgezogenen Kunststoffgegenständen
Die Erfindung betrifft ein Verfahren zur Herstellung von tiefgezogenen Kunststoffgegenständen. Mit dem Vordringen von thermoplastisch verformbaren Werkstoffen, insbesondere von Kunststoff, auf weite Gebiete der Herstellung von Artikeln aller Art, sind der Verwendung dieses Werkstoffes kaum mehr Grenzen gesetzt. Ein Grossteil der Anwendung bezieht sich auf den Sektor der Dekoration od. dgl. in Gestalt gegenständlicher oder figürlicher Erzeugnisse. Ein weitgefächerter bekannter Stand der Technik beweist die Fülle der im Lauf von mehreren Jahren marktüblich gewordenen Artikel.
Die Erfindung bezweckt nun, ein Herstellungsverfahren für Gegenstände aus Kunststoff zu entwickeln, welche zunächst in einem herkömmlichen Vakuumziebvorgang gelöst werden müssen, welche als Abfall gelten und weggeworfen werden. Übrig bleibt dabei lediglich die vorgesehene Substanz des gezogenen oder profilartigen Kunststoffgegenstandes, dessen Hohlräume zweckmässig mit Füllmaterial oder Füllmasse ausgefüllt werden.
Die Erfindung sieht nun zur Lösung dieser Aufgabe vor, dass Kunststoff-Folien tiefgezogen und diese Gebilde dann durch eine Horizontalsäge geführt werden, welche die die her zustellenden Gegenstände darstellenden Teile von den den Abfall darstellenden Teilen abtrennt. Dabei können die Gegenstände in vorbestimmten Längen hergestellt oder diese Teile in dem jeweils gewünschten Farbton gefertigt werden.
Ausserdem können für die Fertigung dieser Teile feuchtigkeits- und formbeständige oder schlagfeste oder elastische Kunststoff-Folien verwendet werden.
Es können ferner die Folien nach der Ausformung im Vakuumverfahren mit Farbeffekt metallisiert und die metallisierten Teile durch einen transparenten, farbgebenden Lack nachbehandelt werden, wodurch sich die Farbeffekte hochglänzend ergeben. Die Kunststoffgegenstände können weiter durch einen Lacküberzug in der gewünschten Farbe hergestellt werden, wobei der Lack oder die Farbe witterungsbeständig ist. Der entsprechende Farbauftrag kann mit Auswischen der Vertiefungen einen Patinacharakter hervorbringen. Die Fertigteile können ferner für die Ausgestaltung mit stoffartigem Charakter beflockt oder die Folie bereits mit einer Holzmaserung verwendet werden.
In der Ziehform können kleine Stifte oder Erhöhungen angeordnet sein, welche automatisch am fertigen Teil Öff- nungen oder Bohrungen aussparen, dergestalt, dass die Stifte, die zur Herstellung von Löchern oder Aussparungen dienen, auswechselbar angeordnet sind, so dass diese an den verschiedensten Stellen bei den Ziehwerkzeugen angeordnet werden können. Schliesslich können die auf der Rückseite hohlen Kunststoffgegenstände mit einer Füllmasse, wie Gips oder Schaumstoff, ausgefüllt werden, damit sie dem Kunst stoffkörper eine massive Form geben.
Process for the production of deep-drawn plastic objects
The invention relates to a method for the production of deep-drawn plastic objects. With the advance of thermoplastically deformable materials, in particular plastic, into wide areas of the production of articles of all kinds, there are hardly any limits to the use of this material. A large part of the application relates to the sector of decoration or the like in the form of representational or figurative products. A wide-ranging known state of the art proves the abundance of articles that have become common on the market over the course of several years.
The invention now aims to develop a manufacturing method for objects made of plastic, which must first be solved in a conventional vacuum pulling process, which are considered waste and are thrown away. What remains is only the intended substance of the drawn or profile-like plastic object, the cavities of which are expediently filled with filler material or filler compound.
To solve this problem, the invention now provides that plastic films are deep-drawn and these structures are then passed through a horizontal saw which separates the parts representing the objects to be produced from the parts representing the waste. The objects can be manufactured in predetermined lengths or these parts can be manufactured in the respective desired color.
In addition, moisture and dimensionally stable or impact-resistant or elastic plastic films can be used for the production of these parts.
Furthermore, the foils can be metallized with a color effect after they have been formed in a vacuum process and the metallized parts can be post-treated with a transparent, color-imparting lacquer, which results in the color effects in a high-gloss finish. The plastic objects can also be produced by a lacquer coating in the desired color, the lacquer or the color being weather-resistant. The corresponding application of paint can produce a patina character by wiping the depressions. The finished parts can also be flocked for the design with a fabric-like character or the film can already be used with a wood grain.
Small pins or elevations can be arranged in the drawing mold, which automatically cut out openings or bores on the finished part, in such a way that the pins, which are used to produce holes or recesses, are arranged interchangeably so that they can be used in various places the drawing tools can be arranged. Finally, the plastic objects, which are hollow on the back, can be filled with a filling compound such as plaster of paris or foam so that they give the plastic body a solid shape.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH66771A CH521839A (en) | 1970-12-24 | 1970-12-24 | Deep-drawn plastic ware - esp for decorative use and using a single foil for quantity prodn |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH66771A CH521839A (en) | 1970-12-24 | 1970-12-24 | Deep-drawn plastic ware - esp for decorative use and using a single foil for quantity prodn |
Publications (1)
Publication Number | Publication Date |
---|---|
CH521839A true CH521839A (en) | 1972-04-30 |
Family
ID=4192324
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH66771A CH521839A (en) | 1970-12-24 | 1970-12-24 | Deep-drawn plastic ware - esp for decorative use and using a single foil for quantity prodn |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH521839A (en) |
-
1970
- 1970-12-24 CH CH66771A patent/CH521839A/en not_active IP Right Cessation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |