DE1816374B1 - Winding hollow profile made of thermoplastic material for the production of pipes, plates, containers or hollow bodies - Google Patents
Winding hollow profile made of thermoplastic material for the production of pipes, plates, containers or hollow bodiesInfo
- Publication number
- DE1816374B1 DE1816374B1 DE19681816374D DE1816374DA DE1816374B1 DE 1816374 B1 DE1816374 B1 DE 1816374B1 DE 19681816374 D DE19681816374 D DE 19681816374D DE 1816374D A DE1816374D A DE 1816374DA DE 1816374 B1 DE1816374 B1 DE 1816374B1
- Authority
- DE
- Germany
- Prior art keywords
- winding
- hollow
- profile
- pipes
- production
- 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
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/58—Winding and joining, e.g. winding spirally helically
- B29C53/78—Winding and joining, e.g. winding spirally helically using profiled sheets or strips
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Description
Die Erfindung betrifft ein Wickelhohlprofil aus thermoplastischem Kunststoff zur Herstellung von Rohren, Platten, Behältern oder Hohlkörpern, das aus mehreren zusammenhängenden Rohren besteht und dessen beim Wickeln aneinanderzufügende Stoßkanten in der Profillängsrichtung verlaufende, mit der Stoßkante des angrenzenden Profils weitere geschlossene Längshohlräume bildende Ausnehmungen aufweisen. Bei den bekannten Ausführungsformen derartig ausgebildeter Wickelhohlprofile sind die zusammenhängenden Rohre nebeneinander angeordnet, so daß im Ergebnis ein verhältnismäßig flaches Wickelhohlprofil entsteht, welches häufig weder in festigkeitsmäßiger noch wärmeisolierender Hinsicht befriedigt (vgl. die belgische Patentschrift 669 613). The invention relates to a winding hollow profile made of thermoplastic Plastic for the production of pipes, plates, containers or hollow bodies, that consists of several connected tubes and the tubes that are to be joined together during winding Butt edges running in the longitudinal direction of the profile, with the abutting edge of the adjacent one Profile have further closed longitudinal cavities forming recesses. at the known embodiments of such trained hollow winding profiles are the coherent tubes arranged side by side, so that the result is a relatively Flat winding hollow profile is created, which is often neither in terms of strength nor from a heat-insulating point of view satisfied (cf. Belgian patent 669 613).
Ferner sind Wickelhohlprofile aus mehreren zusammenhängenden Rohren bekannt, die lediglich aus diesen Rohren bestehen, also keine zusätzlichen geschlossenen Längshohlräume iin.Bereich ihrer Stoßkanten besitzen (vgl. die belgische Patentschrift 534 509). Derartige Wickelhohlprofile sind in festigkeitsmäßiger und wärmeisolierender Hinsicht noch unbefriedigender als die vorbehandelte Ausführungsform. Furthermore, hollow winding profiles are made up of several connected tubes known, which consist only of these pipes, so no additional closed Have longitudinal cavities in the area of their abutting edges (cf. the Belgian patent specification 534 509). Such hollow winding profiles are in terms of strength and heat insulating Regard even more unsatisfactory than the pretreated embodiment.
Der Erfindung liegt die Aufgabe zugrunde, ein Wickelhohlprofil aus thermoplastischem Kunststoff zur Herstellung von Rohren, Platten, Behältern oder Hohlkörpern zu schaffen, welches sich bei minimalem Material aufwand durch maximale Festigkeit und Wärmeisolierung auszeichnet. The invention is based on the object of a winding hollow profile thermoplastic material for the production of pipes, plates, containers or To create hollow bodies, which can be achieved with a minimum of material through maximum Strength and thermal insulation.
Diese Aufgabe wird gemäß der Erfindung bei einem Wickelhohlprofil der eingangs beschriebenen Art dadurch gelöst, daß das Profil aus zwei über-;einande zusammenhängenden Rohren besteht. Dadurch entsteht ein Wickelhohlprofil, das sich überraschenderweise durch besonders hohe Festigkeit und Wärmeisolierung auszeichnet, obwohl gleichzeitig erhebliche Materialersparnis erreicht wird. Diese Kombination besonders günstiger Eigenschaften muß überraschen, insbesondere unter Berücksichtigung der Tatsache, daß das Trägheits- bzw. Widerstandsmoment des erfindungsgemäßen1 Wickelhohlprofils nahezu dem eines Profils mit homogenem Querschnitt entspricht. Zugleich zeichnet sich das erfindungsgemäße Wickelhohlprofil durch Biegsamkeit und geringes Gewicht aus und läßt sich daher besonders leicht verarbeiten. According to the invention, this object is achieved with a winding hollow profile of the type described in the introduction in that the profile consists of two over one another connected pipes. This creates a winding hollow profile that Surprisingly characterized by particularly high strength and thermal insulation, although considerable material savings are achieved at the same time. This combination particularly favorable properties must come as a surprise, especially considering the fact that the moment of inertia or resistance of the inventive 1 hollow winding profile almost that of a profile with a homogeneous cross-section is equivalent to. At the same time draws the hollow winding profile according to the invention is characterized by flexibility and low weight and is therefore particularly easy to process.
Im folgenden wird die Erfindung an Hand einer Zeichnung näher erläutert; es zeigt F i g. 1 ein mit einem erfindungsgemäßen Wickelhohlprofil gewickeltes Rohr, teilweise im Axialschnitt und F i g. 2 einen Querschnitt mehrerer aneinandergefügter Wickelhohlprofile. In the following the invention is explained in more detail with reference to a drawing; it shows F i g. 1 a tube wound with a hollow winding profile according to the invention, partly in axial section and FIG. 2 shows a cross section of several joined together Winding hollow profiles.
Zur Herstellung eines Rohres 1 aus einem schraubenlinienförmig gewickelten Wickelhohlprofil aus thermoplastischem Kunststoff wird das Wickelhohlprofil unmittelbar nach Austritt aus einer Strangpresse oder nach Erwärmung mit einer gestoßenen Wickelnaht 3 auf einen Wickeldorn 4 aufgewickelt und im Bereich der Wickelnaht 3 verschweißt. To produce a tube 1 from a helically wound The hollow winding profile made of thermoplastic material becomes the hollow winding profile directly after exiting an extruder or after heating with a butted wound seam 3 wound onto a winding mandrel 4 and welded in the area of the winding seam 3.
Nach Fig. 1 ist ein stranggepreßtes oder erwärmtes Wickelhohlprofil 5 auf den Wickeldorn4 gewickelt worden. Das Wickelhohlprofil 5 kann aber auch zur Herstellung von Platten Verwendung finden.According to Fig. 1 is an extruded or heated hollow winding profile 5 has been wound on the winding mandrel4. The winding hollow profile 5 can also be used for Production of panels find use.
Fig. 2 zeigt den Aufbau des-Wickelhohlprofils 5 besonders deutlich. Danach besteht das Wickelhohlprofil 5 aus zwei übereinander zusammenhängenden Rohren 6. Seine beim Wickeln aneinanderzufügenden Stoßkanten 7 weisen in Profillängsrichtung verlaufende, mit der Stoßkante 7 dz angrenzenden Profils weitere geschlossene Längshohlräume 9 bildende Ausnehmungen 8 auf.Fig. 2 shows the structure of the winding hollow profile 5 particularly clearly. Thereafter, the winding hollow profile 5 consists of two tubes connected one above the other 6. Its abutting edges 7 to be joined together during winding point in the longitudinal direction of the profile running, with the abutting edge 7 dz adjoining profile further closed longitudinal cavities 9 forming recesses 8.
r r
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1816374 | 1968-12-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1816374B1 true DE1816374B1 (en) | 1971-01-21 |
Family
ID=5717076
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19681816374D Pending DE1816374B1 (en) | 1968-12-21 | 1968-12-21 | Winding hollow profile made of thermoplastic material for the production of pipes, plates, containers or hollow bodies |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE1816374B1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2490994A1 (en) * | 1980-09-26 | 1982-04-02 | Fafco Inc | Winding plastics tubing onto a mandrel - including heating opposite sides of the tubing to improve bonding without distortion |
DE3036428A1 (en) * | 1980-09-26 | 1982-04-22 | Fafco, Inc., Menlo Park, Calif. | Winding plastics tubing onto a mandrel - including heating opposite sides of the tubing to improve bonding without distortion |
EP0760068A4 (en) * | 1994-04-07 | 1997-01-14 | Advanced Drainage Syst | Process for forming pipe of improved construction |
EP0754111A4 (en) * | 1994-04-07 | 1997-02-26 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE534509A (en) * | 1900-01-01 | |||
BE669613A (en) * | 1964-09-14 | 1965-12-31 |
-
1968
- 1968-12-21 DE DE19681816374D patent/DE1816374B1/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE534509A (en) * | 1900-01-01 | |||
BE669613A (en) * | 1964-09-14 | 1965-12-31 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2490994A1 (en) * | 1980-09-26 | 1982-04-02 | Fafco Inc | Winding plastics tubing onto a mandrel - including heating opposite sides of the tubing to improve bonding without distortion |
DE3036428A1 (en) * | 1980-09-26 | 1982-04-22 | Fafco, Inc., Menlo Park, Calif. | Winding plastics tubing onto a mandrel - including heating opposite sides of the tubing to improve bonding without distortion |
EP0760068A4 (en) * | 1994-04-07 | 1997-01-14 | Advanced Drainage Syst | Process for forming pipe of improved construction |
EP0754111A4 (en) * | 1994-04-07 | 1997-02-26 |
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