EP0899393A2 - Lichtdurchlässiges Plattenelement aus Kunststoff - Google Patents
Lichtdurchlässiges Plattenelement aus Kunststoff Download PDFInfo
- Publication number
- EP0899393A2 EP0899393A2 EP98890244A EP98890244A EP0899393A2 EP 0899393 A2 EP0899393 A2 EP 0899393A2 EP 98890244 A EP98890244 A EP 98890244A EP 98890244 A EP98890244 A EP 98890244A EP 0899393 A2 EP0899393 A2 EP 0899393A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- plastic
- panel
- plate
- base body
- frame
- 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.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/02—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant
- E04D3/06—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant of glass or other translucent material; Fixing means therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/54—Slab-like translucent elements
- E04C2/543—Hollow multi-walled panels with integrated webs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/02—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant
- E04D3/06—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant of glass or other translucent material; Fixing means therefor
- E04D3/08—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant of glass or other translucent material; Fixing means therefor with metal glazing bars
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/23—Sheet including cover or casing
- Y10T428/239—Complete cover or casing
Definitions
- the invention relates to a translucent plate element with an outer frame, the surrounds a plate-shaped base body on its outer edge on all sides, the base body consists of at least one panel blank of a translucent hollow chamber panel, which is made of thermoplastic, preferably polycarbonate, two in Has spaced cover layers and these connecting webs and contains hollow chambers delimited by the cover layers and webs.
- Such translucent plate elements are used in construction and horticulture in greenhouses and cold frames instead of window glass as a translucent base Glass windows used.
- rectangular, translucent plate elements there is translucent, plate-shaped base body each made of a rectangular plate blank a highly transparent double wall sheet made of highly transparent polycarbonate, during the Frame of four, on the straight longitudinal or transverse edges of the respective rectangular, highly transparent Double-walled, straight aluminum profiles with U-section and four plastic corner parts arranged at the corners of the plate element is formed connect the aluminum profiles in pairs.
- the one from the four aluminum profiles and the four plastic corner parts surround the outer edge of the rectangular, highly transparent hollow panel on all sides and covers the open ends of the hollow chambers to the outside.
- the aluminum profiles of the frame are made of highly transparent with the twin-wall sheet Polycarbonate only mechanically connected by clamp connections.
- a highly transparent twin-wall sheet made from polycarbonate using the extrusion process consists of two flat top layers that are parallel to each other and spaced apart or thin foils and from numerous to the two outer layers or foils vertical and parallel to the extrusion direction of the twin-wall sheet webs, the are arranged at a distance from one another transversely to the direction of extrusion and the two outer layers or connect foils together and keep them at a distance at the same time.
- extruded, highly transparent twin-wall sheets made of highly transparent polycarbonate contain numerous extrusion directions elongated hollow chambers arranged side by side transversely to the direction of extrusion, which lie between the two cover layers of the hollow chamber plate and are separated by their webs or be limited laterally. On the edges running transverse to the direction of extrusion of the hollow chamber plate are the cells formed by their hollow chambers open. The cell walls formed by the cover layers and webs made of polycarbonate The hollow chambers are very flexible and lead even with very thin walls the cellular structure of the twin-wall sheet, to a high inherent rigidity of the twin-wall sheet. Extruded highly transparent twin-wall sheets of the same thickness, based on the mutual Distance between their two cover layers, compared to extruded aluminum profiles relatively large, manufacturing-related deviations in the plate thickness.
- the mechanical connections between the polycarbonate twin-wall sheets and the aluminum U-profiles due to the different behavior of the twin-wall sheets and frame profiles during should not loosen or loosen the use of the translucent plate elements, for example when expanding and contracting with rising or falling outside temperatures or in the case of local temperature differences due to locally differing solar radiation at various points on the twin-wall sheet or the aluminum profile or at Larger or changing temperature differences on the outside or inside of the respective translucent plate element.
- the manufacturing-related deviations in the sheet thickness of the polycarbonate twin-wall sheets be taken into account.
- the base of the U-profile is the open ends of the hollow chambers at the plate edge of the hollow chamber plate covers while its two profile legs cover the top and bottom, respectively the hollow panel are arranged adjacent and parallel to the top or the Extend underside of the twin-wall sheet.
- plastic dowels each with pointed, knife-shaped ends, with which they are transverse to their direction of insertion extending webs of the twin-wall sheet when inserted into the respective aluminum U-P profile cut through to join their clamping section between the tips the two cover layers of the twin-wall sheet transversely to their webs in the respective edge area of the twin-wall sheet.
- the aluminum U-P profiles cover the outer frame with their base sections each the open ends of the hollow chambers at the plate edge of each, made from a highly transparent polycarbonate twin-wall sheet Panel cut from the outside without sealing the hollow chambers at their open ends.
- it forms inside the hollow chambers, for example due to condensation or rain causes moisture that is microscopic with airborne small spores after a short time in the edge area of the highly transparent panel cut leads to unsightly algae growth.
- the highly transparent panel cut warmed up so far in intense sunlight that the algae inside the If hollow chambers die off, a black coating remains on the inside of the hollow chambers back, the translucency of the highly transparent panel cut and reduced brings ugly looks.
- the object of the invention is to provide translucent plate elements which are reinforced Have edge and where the hollow chambers of the respective translucent panel blank of the plate-shaped base body are sealed to the outside.
- a translucent plate element in which an outer frame surrounds a plate-shaped base body on all sides at its outer edge and in which the base body consists of at least one panel blank of a translucent one Hollow chamber plate consists of thermoplastic, preferably polycarbonate, is produced, two spaced-apart cover layers and these with each other has connecting webs and contains hollow chambers delimited by the cover layers and webs.
- This translucent plate element is characterized according to the invention in that a along at least part of the entire edge of the base body in one piece with this Connected plastic frame is provided, which consists of a plastic whose melting point is lower than that of the twin-wall sheet and that open at the edge of the base body Closes hollow chambers of the respective panel blank.
- translucent plate elements are the outer ends of the hollow chambers in the edge area of the base body by the plastic frame connected in one piece to the base body not only closed but also sealed, so that during the use of the Plate element also no microscopic spores can penetrate into the hollow chambers.
- the base body in Edge area for closing the hollow chambers compressed and with one the hollow chambers sealed plastic frame is encapsulated.
- a highly transparent, elastic plastic existing and elastically compressed at its edges Basic body is provided, which is in one piece with the elastically compressed edge the base body is injection molded plastic frame.
- the panel blank of the base body is formed by a hollow sheet made of highly transparent polycarbonate and the plastic frame sprayed onto the elastically compressed edges of the base body consists of a UV-stabilized polystyrene mixed with glass fibers.
- the hollow chambers are made before inserting the respective panel blank dried in the injection mold and any microscopic spores from the Hot air filtered out.
- the hollow chambers are then closed by the injection molding tool and overmolded at its outer ends with the plastic frame, so that in the air existing microscopic spores no longer from the outside through the plastic frame tightly sealed hollow chambers can penetrate.
- Figure 1 shows a rectangular, as a window formed plate element in plan view and Figure 2 shows a section through the translucent Plate element of Figure 1 along the line II - II in Figure 1.
- the translucent plate element 1 has an outer frame 2, which is a plate-shaped Basic body 3 surrounds on all sides at its outer edge.
- the basic body consists of a plate blank of a translucent hollow chamber plate 4, which in turn is made of thermoplastic Plastic, preferably highly transparent polycarbonate.
- the twin-wall sheet 4 has two cover layers 5 arranged at a distance from one another and parallel to one another, 6 and perpendicular to these and connecting them to each other webs 7.
- the twin-wall sheet 4 contains hollow chambers 8 delimited by the cover layers 5, 6 and webs 7.
- the hollow chamber plate 4 is flattened at its outer edge and flattened with this Edge area 9 is recorded in the frame 2 sprayed onto this edge area 9.
- the hollow chambers 8 compressed flat in this edge region 9 are from the plastic frame 2 closed and sealed to the outside.
- the plastic of the plastic frame 2 has a lower melting point than the highly transparent polycarbonate of the twin-wall sheet.
- This plastic is preferably a UV-stabilized glass fiber Polystyrene.
- the twin-wall sheet can also consist of acrylic.
- the frame 2 can all be used for connection the translucent plate member with another translucent plate member or a side wall of a cold frame or a brick wall etc. required connecting elements, such as hinges and the like. The same applies to handles and others Actuators for moving the plate element or for locking the plate element in a certain position opposite a side wall of a cold frame or a brick wall Etc.
- the frame 2 can be self-contained to the inherent rigidity of the translucent Increase plate element.
- the frame 2 but also only from two opposite one another Lasts exist, the hollow chambers of the panel blank only on the transverse to the longitudinal direction close the edges of the panel blank that run along the hollow chambers.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laminated Bodies (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Panels For Use In Building Construction (AREA)
- Securing Of Glass Panes Or The Like (AREA)
- Push-Button Switches (AREA)
- Electric Clocks (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
Claims (5)
- Lichtdurchlässiges Plattenelement (1) mit einem äußeren Rahmen (2), der einen plattenförmigen Grundkörper (3) an dessen äußerem Rand allseitig umgibt, wobei der Grundkörper (3) aus zumindest einem Plattenzuschnitt einer lichtdurchlässigen Hohlkammerplatte (4) besteht, die aus thermoplastischem Kunststoff, vorzugsweise Polycarbonat, hergestellt ist, zwei im Abstand voneinander angeordnete Deckschichten (5, 6) und diese miteinander verbindende Stege (7) besitzt und durch die Deckschichten (5, 6) und Stege (7) begrenzte Hohlkammern (8) enthält, dadurch gekennzeichnet, daß ein entlang zumindest eines Teiles des gesamten Randes des Grundkörpers (3) mit diesem einstückig verbundener Kunststoffrahmen (2) vorgesehen ist, der aus einem Kunststoff besteht dessen Schmelzpunkt niedriger als der der Hohlkammerplatte (4) ist und der die am Rand des Grundkörpers (3) offenen Hohlkammern (8) des jeweiligen Plattenzuschnittes verschließt.
- Plattenelement nach Anspruch 1, dadurch gekennzeichnet, daß der Grundkörper (3) im Randbereich zum Verschließen der Hohlkammern (8) zusammengedrückt (9) und mit einem die Hohlkammern (8) dicht verschließenden Kunststoffrahmen (2) umspritzt ist.
- Plattenelement nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß ein aus hochtransparentem, elastischem Kunststoff bestehender und an seinen Rändern (9) elastisch zusammengedrückter Grundkörper (3) vorgesehen ist, der einstückig mit dem auf den elastisch zusammengedrückten Rand (9) des Grundkörpers (3) aufgespritzten Kunststoffrahmen (2) ausgebildet ist.
- Plattenelement nach Anspruch 3, dadurch gekennzeichnet, daß der Plattenzuschnitt des Grundkörpers (3) von einer Hohlkammerplatte (4) aus hochtransparentem Polycarbonat gebildet wird und der auf die elastisch zusammengedrückten Ränder (9) des Grundkörpers (3) aufgespritzte Kunststoffrahmen (2) aus einem mit Glasfasern versetzten, UV-stabilisierten Polystyrol besteht.
- Verfahren zum Herstellen von lichtdurchlässigen Kunststoff-Plattenelementen gekennzeichnet durch die Schritte:1) Anfertigen von Plattenzuschnitten von hochtransparenten Hohlkammerplatten, die aus thermoplastischem Kunststoff, vorzugsweise aus Polycarbonat bestehen und nebeneinander angeordnete und an entgegengesetzten Plattenrändern nach außen offene Hohlkammern besitzen,2) Behandeln der Plattenzuschnitte mit Heißluft zum Trocknen der Hohlkammern und Erwärmen der Plattenzuschnitte,3) Einlegen eines oder mehrerer Plattenzuschnitte in ein den Rahmen eines Plattenelementes formendes Spritzgußwerkzeug, das zumindest den, offene Hohlkammerenden aufweisenden Randbereichen des jeweiligen Plattenzuschnittes zugeordnete, beheizte Quetschkanten zum Zusammendrücken der betreffenden Randbereiche beim Schließen des Spritzgußwerkzeuges besitzt,4) Schließen des Spritzgußwerkzeuges und Zusammendrücken der Randbereiche des jeweiligen Plattenzuschnittes durch die dem betreffenden Randbereich jeweils zugeordneten, beheizten Quetschkanten des Spritzgußwerkzeuges,5) Einspritzen eines Kunststoffes in das geschlossene Spritzgußwerkzeug, der einen niedrigeren Schmelzpunkt als jener der Hohlkammerplatte besitzt und der vorzugsweise ein mit Glasfasern versetztes, UV-stabilisiertes Polystyrol ist,6) Abkühlen des in das geschlossene Spritzgußwerkzeug eingespritzten Kunststoffes, und7) Öffnen des Spritzgußwerkzeuges und Entnehmen des einstückigen, lichtdurchlässigen und mit einem äußeren Kunststoffrahmen versehenen Kunststoff-Plattenelementes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT98890244T ATE253155T1 (de) | 1997-08-27 | 1998-08-20 | Lichtdurchlässiges plattenelement aus kunststoff |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT1444/97 | 1997-08-27 | ||
AT144497 | 1997-08-27 | ||
AT0144497A AT408015B (de) | 1997-08-27 | 1997-08-27 | Lichtdurchlässiges plattenelement aus kunststoff |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0899393A2 true EP0899393A2 (de) | 1999-03-03 |
EP0899393A3 EP0899393A3 (de) | 2000-05-24 |
EP0899393B1 EP0899393B1 (de) | 2003-10-29 |
Family
ID=3514023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98890244A Expired - Lifetime EP0899393B1 (de) | 1997-08-27 | 1998-08-20 | Lichtdurchlässiges Plattenelement aus Kunststoff |
Country Status (4)
Country | Link |
---|---|
US (1) | US6190742B1 (de) |
EP (1) | EP0899393B1 (de) |
AT (2) | AT408015B (de) |
DE (1) | DE59810007D1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE602005017886D1 (de) * | 2004-05-07 | 2010-01-07 | Kingspan Res & Dev Ltd | Lichtdurchlässige dachplatte |
IT201800010134A1 (it) * | 2018-11-07 | 2020-05-07 | Polyworld Systems S R L | Pannello trasparente per la realizzazione di lucernari, relativo metodo di produzione e sistema di copertura comprendente tale pannello |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2802179A1 (de) * | 1978-01-19 | 1979-07-26 | Essmann Kg Heinz | Verglasungselement |
EP0083030A1 (de) * | 1981-12-28 | 1983-07-06 | Röhm Gmbh | Verfahren zur Herstellung einer gasdicht verschlossenen Hohlkammerplatte aus Kunststoff |
DE8605288U1 (de) * | 1986-02-27 | 1986-04-17 | Röhm GmbH, 6100 Darmstadt | Zusammengesetzte Hohlkammerplatte aus Kunststoff |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4021949A (en) * | 1976-04-07 | 1977-05-10 | American Sign And Advertising Services, Inc. | Illuminated sign system |
US4443987A (en) * | 1979-03-28 | 1984-04-24 | The Franklin Institute | Unitary solar window panel |
US4720951A (en) * | 1986-03-24 | 1988-01-26 | Therma-Tru Corp. | Frame assembly for doors, windows and the like |
-
1997
- 1997-08-27 AT AT0144497A patent/AT408015B/de not_active IP Right Cessation
-
1998
- 1998-08-20 DE DE59810007T patent/DE59810007D1/de not_active Expired - Lifetime
- 1998-08-20 AT AT98890244T patent/ATE253155T1/de active
- 1998-08-20 EP EP98890244A patent/EP0899393B1/de not_active Expired - Lifetime
- 1998-08-26 US US09/140,228 patent/US6190742B1/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2802179A1 (de) * | 1978-01-19 | 1979-07-26 | Essmann Kg Heinz | Verglasungselement |
EP0083030A1 (de) * | 1981-12-28 | 1983-07-06 | Röhm Gmbh | Verfahren zur Herstellung einer gasdicht verschlossenen Hohlkammerplatte aus Kunststoff |
DE8605288U1 (de) * | 1986-02-27 | 1986-04-17 | Röhm GmbH, 6100 Darmstadt | Zusammengesetzte Hohlkammerplatte aus Kunststoff |
Also Published As
Publication number | Publication date |
---|---|
ATE253155T1 (de) | 2003-11-15 |
US6190742B1 (en) | 2001-02-20 |
EP0899393B1 (de) | 2003-10-29 |
DE59810007D1 (de) | 2003-12-04 |
ATA144497A (de) | 2000-12-15 |
EP0899393A3 (de) | 2000-05-24 |
AT408015B (de) | 2001-08-27 |
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