FR2495999A1 - Internal reinforcement of hollow polycarbonate panels - to extend the width of flat unsupported spans - Google Patents

Internal reinforcement of hollow polycarbonate panels - to extend the width of flat unsupported spans Download PDF

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Publication number
FR2495999A1
FR2495999A1 FR8123136A FR8123136A FR2495999A1 FR 2495999 A1 FR2495999 A1 FR 2495999A1 FR 8123136 A FR8123136 A FR 8123136A FR 8123136 A FR8123136 A FR 8123136A FR 2495999 A1 FR2495999 A1 FR 2495999A1
Authority
FR
France
Prior art keywords
polycarbonate sheet
extend
width
plate according
internal reinforcement
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.)
Withdrawn
Application number
FR8123136A
Other languages
French (fr)
Inventor
Roberto Boverio
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MACOPLAST MR Srl
Original Assignee
MACOPLAST MR Srl
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MACOPLAST MR Srl filed Critical MACOPLAST MR Srl
Publication of FR2495999A1 publication Critical patent/FR2495999A1/en
Withdrawn legal-status Critical Current

Links

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
    • E04D3/24—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like
    • E04D3/28—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like of glass or other translucent material
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/14—Greenhouses
    • A01G9/1438—Covering materials therefor; Materials for protective coverings used for soil and plants, e.g. films, canopies, tunnels or cloches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
    • B60R13/0212—Roof or head liners
    • B60R13/0225—Roof or head liners self supporting head liners
    • 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
    • E04D3/24—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like
    • E04D3/28—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like of glass or other translucent material
    • E04D2003/285—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like of glass or other translucent material with specially profiled marginal portions for connecting purposes
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25—Greenhouse technology, e.g. cooling systems therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Abstract

Hollow of panels of polycarbonate having a shallow 'U' profile and with borders shaped to engage tongue-and-groove fashion are reinforced by at least one rigid insert fitted into a longitudinal channel within the panel. The inserts may be of metal or a rigid plastics material, prefabricated or injected in situ. The extra support increases the area of panels which can be self-supporting horizontally without sagging.

Description

La présente demande concerne une feuille ou plaque en polycarbonate, pourvue d'éléments de raidissement. The present application relates to a polycarbonate sheet or plate, provided with stiffening elements.

Le polycarbonate est une résine thermoplastique transparente qui, présentée en feuilles ou en plaques, peut être avantageusement employée pour remplacer le verre, grâce à ses bonnes caractéristiques de résis tance mécanique et aux chocs, et résistance à l'action des rayons ultra-violetz
Cette résine présente une élasticité importante, de so te qu'on ne peut pas utiliser ou réaliser des plaques ayant des dimensions supérieures à une dimension déterminée, en raison des risques de flexion.Polycarbonate is a transparent thermoplastic resin which, presented in sheets or plates, can be advantageously used to replace glass, thanks to its good mechanical and impact resistance characteristics and resistance to the action of ultra-violet rays
This resin has a significant elasticity, so that one cannot use or make plates having dimensions greater than a determined dimension, because of the risks of bending.

L'utilisation des feuilles en polycarbonate est limitée à un petit nombre d'applications, pour lesquelles on peut employer des feuille ou plaques de longueur relativement réduite. The use of polycarbonate sheets is limited to a small number of applications, for which sheets or sheets of relatively short length can be used.

Le but de la présente invention est d'éliminer l'inconvénient mentionné ci-dessus, en réalisant une feuille ou plaque en pplyearbona susceptible de rester parfaitement plane même lorsque sa longueur est importan
Dans ce but, une feuille ou plaque en polycarbonate selon l'invention est pourvue d'éléments profilés conjugués, voisins de ses bords longitudinaux, aptes à permettre le couplage de plusieurs feuilles ou plaques rangées cOte à côte.The object of the present invention is to eliminate the drawback mentioned above, by making a sheet or plate of pplyearbona capable of remaining perfectly flat even when its length is significant.
To this end, a polycarbonate sheet or plate according to the invention is provided with conjugate profiled elements, adjacent to its longitudinal edges, capable of allowing the coupling of several sheets or plates arranged side by side.

Ce but est obtenu par une feuille ou plaque en polycarb nate, caractérisé en ce qu'elle présente un profil sensiblement enU et une stz ture alvéolaire comprenant, dans la direction longitudinale, un ou plusieurs éléments de raidissement, les bords de cette structure étant formés de manière à autoriser un couplage mâle et femelle de deux feuilles ou plaques adjacentes
D'autres caractéristiques et avantages de la feuille ou plaque selon l'invention, ressortiront davantage de la description ci dcssous et du dessin annexé, dans lequel
La figure 1 est une vue en coupe transversale représentant la feuille ou plaque selon l'invention.This object is obtained by a sheet or plate of polycarbonate, characterized in that it has a substantially U-shaped profile and a cellular structure comprising, in the longitudinal direction, one or more stiffening elements, the edges of this structure being formed. so as to allow a male and female coupling of two adjacent sheets or plates
Other characteristics and advantages of the sheet or plate according to the invention will become more apparent from the description below and from the appended drawing, in which
Figure 1 is a cross-sectional view showing the sheet or plate according to the invention.

En référence au dessin annexé, la plaque en polyearbona te comprend une structure alvéolaire 1, ayant un profil sensiblementen U.  With reference to the appended drawing, the polyearbona plate comprises a honeycomb structure 1, having a substantially U-shaped profile.

Dans un ou plusieurs des alvéoles 2 formés longitudinalement par rapport à ladite structure alvéolaire, on insère, à travers toute 1 longueur de ladite structure, un profilé3 métallique ou en matière plastique. In one or more of the cells 2 formed longitudinally with respect to said cellular structure, a metal or plastic profile 3 is inserted through the entire length of said structure.

Ce profilé peut avoir n'importe quelle section transve sale, pourvu qu'il soit apte à résister à des sollicitations de flexion. This profile can have any dirty cross section, provided that it is able to withstand bending stresses.

Ce profilé peut en outre être remplacé par une tige en matière synthétique rigide, injectée dans un ou plusieurs desdits alvéoles ou disposé directement dans ces derniers pendant la phase d'estampage de la structure alvéolaire 1. Sur les bords de cette dernière, on a formé respectiv ment, la partie mâle 4 et la partie femelle 5, susceptible de s'accoupler par encastrement. This profile can also be replaced by a rigid plastic rod, injected into one or more of said cells or disposed directly in the latter during the stamping phase of the cellular structure 1. On the edges of the latter, we formed respectively, the male part 4 and the female part 5, capable of mating by embedding.

Ces parties comportent des évidements et des portions saillantes, aptes à faciliter l'accouplement de plaques rangées flanc-à-flanc et à assurer la stabilité de cet accouplement. These parts have recesses and protruding portions, capable of facilitating the coupling of plates flank-to-flank rows and ensuring the stability of this coupling.

La plaque en polycarbonate ainsi réalisée est avantageusement employée dans le b timentS l'agriculture et l'industrie comme éléments de couverture, pour la fabrication de fenêtre, de plafonds ou de parois.  The polycarbonate sheet thus produced is advantageously used in the building trade in agriculture and industry as roofing elements, for the manufacture of windows, ceilings or walls.

Claims (4)

REVENDICATIONS 1. Feuille ou plaque en polycarbonate, caractérisée en ce qu'elle présente un profil sensiblementenU et une structure alvéolaire, comprenant dans la direction longitudinale, un ou plusieurs éléments de raidis sement, les bords de cette structure étant façonnés de manière à permettre un couplage mâle et femelle par encastrement. 1. Polycarbonate sheet or plate, characterized in that it has a substantiallyENU profile and a honeycomb structure, comprising in the longitudinal direction, one or more stiffening elements, the edges of this structure being shaped so as to allow coupling male and female by embedding. 2. Feuille ou plaque en polycarbonate selon la revendication 1, caractérisée en ce que lesdits éléments de raidissementwsont formés par des profilés métalliques ou en matière plastique rigide, susceptibles d'entre insérés dans un ou plusieurs des alvéoles formés longitudinalement par rapport à ladite structure. 2. Polycarbonate sheet or plate according to claim 1, characterized in that said stiffening elements are formed by metal profiles or rigid plastic material, capable of being inserted into one or more of the cells formed longitudinally with respect to said structure. 3. Feuille ou plaque en polycarbonate selon l'une quelconque des revendications précédentes, caractérisée en ce que lesdits profilés peuvent etre remplacés par des tiges en matière plastique, injectées dans lesdits alvéoles ou formées directement dans ces derniers, pendant la phase d'estampage. 3. Polycarbonate sheet or plate according to any one of the preceding claims, characterized in that said profiles can be replaced by plastic rods, injected into said cells or formed directly in the latter, during the stamping phase. 4. Feuille ou plaque en polycarbonate selon la revendication 1, caractérisée en ce que lesdites parties encastrables sont pourvues d'évidements et de portions de retenue saillantes complémentaires.  4. Polycarbonate sheet or plate according to claim 1, characterized in that said recessed parts are provided with recesses and complementary projecting retaining portions.
FR8123136A 1980-12-11 1981-12-09 Internal reinforcement of hollow polycarbonate panels - to extend the width of flat unsupported spans Withdrawn FR2495999A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8023606U IT8023606V0 (en) 1980-12-11 1980-12-11 POLYCARBONATE SHEET, PROVIDED WITH STRENGTHENING ELEMENTS.

Publications (1)

Publication Number Publication Date
FR2495999A1 true FR2495999A1 (en) 1982-06-18

Family

ID=11208518

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8123136A Withdrawn FR2495999A1 (en) 1980-12-11 1981-12-09 Internal reinforcement of hollow polycarbonate panels - to extend the width of flat unsupported spans

Country Status (4)

Country Link
BE (1) BE891293A (en)
DE (1) DE8134680U1 (en)
FR (1) FR2495999A1 (en)
IT (1) IT8023606V0 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1055785A2 (en) * 1999-05-22 2000-11-29 Twinwall Fixings (UK) Limited A glazing panel
US6430893B1 (en) 1999-05-22 2002-08-13 Rodney Kindon Glazing panel

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3925547A1 (en) * 1989-08-02 1991-02-07 Dieter Knauer Erecting permanent building structure - by use of temporary support structure which is subsequently removed

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1055785A2 (en) * 1999-05-22 2000-11-29 Twinwall Fixings (UK) Limited A glazing panel
EP1055785A3 (en) * 1999-05-22 2001-05-23 Twinwall Fixings (UK) Limited A glazing panel
US6430893B1 (en) 1999-05-22 2002-08-13 Rodney Kindon Glazing panel

Also Published As

Publication number Publication date
IT8023606V0 (en) 1980-12-11
BE891293A (en) 1982-03-16
DE8134680U1 (en) 1982-07-01

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