EP2894286A1 - Lamelle für einen Rolladen - Google Patents

Lamelle für einen Rolladen Download PDF

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Publication number
EP2894286A1
EP2894286A1 EP15150641.7A EP15150641A EP2894286A1 EP 2894286 A1 EP2894286 A1 EP 2894286A1 EP 15150641 A EP15150641 A EP 15150641A EP 2894286 A1 EP2894286 A1 EP 2894286A1
Authority
EP
European Patent Office
Prior art keywords
slat
weight
bearing portion
insulating portion
previous
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Withdrawn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
EP15150641.7A
Other languages
English (en)
French (fr)
Inventor
Gianluigi Barcella
Romano Sansovini
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.)
Seraplastic Srl
Original Assignee
Seraplastic 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 Seraplastic Srl filed Critical Seraplastic Srl
Publication of EP2894286A1 publication Critical patent/EP2894286A1/de
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/15—Roller shutters with closing members formed of slats or the like
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/15—Roller shutters with closing members formed of slats or the like
    • E06B2009/1505—Slat details
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/17—Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings
    • E06B2009/17069—Insulation

Definitions

  • the present invention relates to a slat for a roller shutter for closing a window or French window.
  • the roller shutter runs in guides specially made on the jambs of the window or French window, and rolls up on itself in a special compartment, for example in a box, placed above the window or French window.
  • roller shutters are composed of a plurality of slats mounted in a modular way, so as to compose the entirety of its length as a function of the dimensions of the windows and French windows.
  • the main function of said shutters is to divide the internal environment from the external one, interposing themselves between the two, so that environmental agents do not affect the internal environment.
  • the roller shutters, and thus the slats which compose them must have characteristics of resistance such as to react effectively to atmospheric agents acting as a dividing wall and must also be extremely durable.
  • roller shutters and thus the slats which compose them, must also be lightweight, to make them easy to handle.
  • the object of the present invention is to provide a slat for roller shutters which satisfies the above requirements and in particular which is effective in coping with atmospheric agents, remaining lightweight.
  • FIG. 1 shows a perspective view of the side of a portion of a roller shutter of the present invention comprising a plurality of slats according to a preferred embodiment
  • FIG. 2 shows a perspective view of a detail of the slat of the present invention, according to a preferred embodiment
  • FIG. 3 is a side view of two slats as in figure 2 mutually engaged with one another;
  • FIGS. 4a and 4b show two side views of the weight-bearing portion and the insulating portion comprised in a slat according to a preferred embodiment.
  • reference numeral 1 globally denotes a slat for a roller shutter.
  • Said slat 1 is suitable to be modularly assembled in series to compose the roller shutter in its length.
  • the slat 1 thus identifies an outer side E suitable to be placed towards the outside and an inner side I opposite said outer side E.
  • the outer side E is thus the externally exposed side, and therefore subject in a direct manner to atmospheric agents such as rain, wind or sun.
  • the inner side I is instead facing the inside, i.e. towards the closed environment, thus being subject to atmospheric agents only in an indirect manner, as a result of their direct action on the outer side.
  • the inner side I is on the inside when the roller shutter is wound up.
  • the slat is preferably composed of a weight-bearing portion 10 and an insulating portion 20.
  • the weight-bearing portion 10 has box-shaped section and is positioned towards the outer side E.
  • the insulating portion 20 has a box-shaped section and is positioned towards the inner side I.
  • a box-shaped section defines an element having a closed annular cross-section, for example in accordance with the forms shown in the appended drawings.
  • the insulating portion 20 is engaged with the weight-bearing portion 10.
  • the weight-bearing portion 10 is in a metal alloy.
  • said metal alloy is aluminium.
  • the weight-bearing portion 10 is builtable in one piece by bending a sheet of aluminium.
  • the weight-bearing portion 10 is filled internally with foam material 30, such as polyurethane foam.
  • foam material 30 is suitable to reinforce the weight-bearing portion 10 so as to avoid, or minimise its bending, e.g. following a collision.
  • the insulating portion 20 is in a plastic material.
  • said plastic material is PVC.
  • the insulating portion 20 is builtable in one piece by extrusion.
  • the weight-bearing portion 10 and the insulating portion 20 are mutually engaged; in particular, the weight-bearing portion 10, towards the inner side I, has a housing cavity 100 suitable to receive the insulating portion 20, to perform said mutual engagement.
  • the insulating portion 20 is inserted in the weight-bearing portion 10, in the housing cavity 100, in the direction parallel to the extension of said slat 1.
  • the housing cavity 10 has a shape such that the insulating portion 20, having a substantially complementary shape is engaged to it by means of its longitudinal insertion.
  • the housing cavity 100 is, in fact, shaped so that, from the inner side I toward the outer side E, it widens, or in other words, following said direction the housing cavity 100 has wider dimensions than the opening facing the inner side I.
  • the housing cavity 100 is shaped so that it has at its ends retention slots 101 for retaining the insulating portion 20, so that the latter is not extractable in a perpendicular direction; the insulating portion 20 is also removable along its direction of insertion, i.e. extracting it parallel to its extension.
  • the insulating portion 20 has at its ends suitable retention protrusions 201 suitable to be inserted in, and to act in conjunction with said retention slots 101.
  • the insulating portion 20 has a shape such that it does not rest on the bottom 105 of the housing cavity 100, but between the insulating portion 20 and said bottom 105 of the housing cavity 100 a cushion of air is present.
  • the insulating portion 20 has a shape substantially complementary to the housing cavity 100, less than said air cushion, which preferably extends along the whole extension of the slat 1, and covers the bottom 105 of the housing cavity 100.
  • the insulating portion 20 has, internally, reinforcing ribs 21, suitable to reinforce it transversely.
  • the insulating portion 20 presents said ribs so that these pass through the empty space inside the box-shaped section, from the outer side E to the inner side I.
  • the reinforcement ribs 21 are also placed at the ends of the insulating portion 20, in particular in the vicinity of the retention protrusions 201 which engage the weight-bearing portion 10 in the retention slots 101.
  • the weight-bearing portion 10 has a coupling strip 11 at the top, and a coupling opening 12 at the bottom, so that two consecutive slats 1 are reciprocally engaged by means of the engagement between the coupling strip 11 and the coupling opening 12.
  • the coupling strip 11 is substantially hook-shaped.
  • the coupling opening 12 is shaped so as to permit the housing inside it of the coupling strip 11.
  • the reciprocal engagement between the coupling strip 11 and the coupling opening 12 permits a reciprocal movement of the two consecutive slats 1, mutually engaged, thus allowing the rolling of the roller shutter composed of them on itself.
  • a reciprocal movement of the two consecutive slats 1, mutually engaged thus allowing the rolling of the roller shutter composed of them on itself.
  • two consecutive slats are mutually spaced from each other, despite their engagement being ensured by the mutual engagement of the coupling strip 11 and the coupling opening 12.
  • the weight-bearing portion 10 in order to facilitate said winding of the roller shutter the weight-bearing portion 10 is convex towards the outer side E, and the insulating portion 20 is concave towards the inner side I.
  • the curvature of the weight-bearing portion 10 and the curvature of the insulating portion 20 are substantially complementary so that the winding and the mutual positioning of one on the other is facilitated.
  • the insulating portion 20 comprises an upper lip 25 and/or a lower lip 26 suitable to cover the weight-bearing portion 20 on the inner side, for example to cover the coupling strip 11 and/or the coupling opening 12.
  • the roller shutter has specific application for a window.
  • the roller shutter has specific application for a French window.
  • the present invention also relates to a method of production of a slat 1 for a roller shutter, having the characteristics described above, comprising the steps of:
  • a weight-bearing portion 10 by cutting a metal sheet, for example aluminium, and bending it onto itself in such a way as to obtain a box-shaped section, where preferably the weight-bearing portion 10 is bent in such a way as to have the inside thereof facing the inside I of a housing cavity 100;
  • an insulating portion 20 for example in plastic material, preferably PVC, having a box-shaped section;
  • a further production step consists of
  • the method provides for:
  • the production method further provides for the steps of:
  • the slat for a roller shutter of the present invention meets the needs of the prior art; in particular, it is particularly effective in counteracting the action of environmental agents, isolating the internal environment from the external environment, while maintaining outstanding structural qualities combined with excellent lightness.
  • the slat for roller shutters has outstanding qualities against the action of environmental agents, isolating the internal environment from the external environment; in particular in fact the sequence of two box-shaped section portions achieves considerable thermal cutting.
  • the qualities of thermal cutting of the slat are particularly strong, thanks to the cavities present inside the insulating portion.
  • the air cushion between the weight-bearing portion and the insulating portion is suitable to improve these characteristics.
  • the foam material inside the weight-bearing portion is suitable to improve these characteristics.
  • the slat of the present invention also has particular sound insulation qualities.
  • the slat of the present invention is suitable to demonstrate strong wear-resistance, in particular thanks to the fact that only the outer portion is directly subjected to the action of environmental agents.
  • Another advantageous aspect of the slat is that it is particularly light in relation to the slats of the prior art; shutters of large dimensions may thus be obtained which are easy to move.
  • the slat has the insulating portion, inside, in plastic material, thereby facilitating the rolling of the roller shutter, favouring sliding between the parts.
  • the rolling of the roller shutter is also favoured by the complementary rounded shapes of the weight-bearing portion and the insulating portion.
  • the two portions comprised in the slat are engaged to one another, and it is not necessary to use adhesive materials or additional means for their mutual locking.
  • a further advantageous aspect lies in the simplicity of production of said slats, which results in an obvious economic saving.
  • the coupling strips and the coupling openings are made on the insulating portion rather than on the weight-bearing portion.
  • the engagement between the various components and between two consecutive slats is obtained, rather than by mutual threading, by means of snap interactions, for example the insulating portion snaps to the weight-bearing portion.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
EP15150641.7A 2014-01-10 2015-01-09 Lamelle für einen Rolladen Withdrawn EP2894286A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITBS20140009 2014-01-10

Publications (1)

Publication Number Publication Date
EP2894286A1 true EP2894286A1 (de) 2015-07-15

Family

ID=50391258

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15150641.7A Withdrawn EP2894286A1 (de) 2014-01-10 2015-01-09 Lamelle für einen Rolladen

Country Status (1)

Country Link
EP (1) EP2894286A1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201900002383A1 (it) * 2019-02-19 2020-08-19 I S E A S R L Doga di serranda avvolgibile e serranda avvolgibile
KR102247552B1 (ko) * 2020-05-19 2021-05-04 주식회사 현진 가스켓을 이용한 내풍압 단열 셔터
US11047170B2 (en) 2018-01-31 2021-06-29 Gliderol Doors (S) Pte Ltd Slat assembly for roller shutter, roller shutter, and methods of manufacture thereof
KR20210116790A (ko) * 2020-03-16 2021-09-28 김재영 내풍압 단열 셔터
KR102318609B1 (ko) * 2021-01-19 2021-10-28 주식회사 제이케이메탈 다단계 단열공기층을 가지는 이중구조의 셔터용 슬랫

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2622905A1 (de) * 1976-05-21 1977-11-24 Grashei F Alukon Kg Rolladenstab und verfahren zu seiner herstellung
DE2808177A1 (de) * 1978-02-25 1979-08-30 Th Kauffmann Kg Gmbh & Co Roll Rolladenstab, insbesondere fuer rolltore
DE2925635A1 (de) * 1979-06-26 1981-01-15 Rolf Machill Rolladenstab, insbesondere fuer rolltore
FR2522357A1 (fr) * 1982-02-26 1983-09-02 Riedel Otto Lame de volet roulant
DE19523349A1 (de) * 1995-06-27 1997-01-09 Riexinger Tuerenwerke Gmbh Lamelle für ein Blatt eines Verschlusses für ein Tor, eine Tür, ein Fenster oder dergleichen Öffnung, insbesondere für ein Rolltor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2622905A1 (de) * 1976-05-21 1977-11-24 Grashei F Alukon Kg Rolladenstab und verfahren zu seiner herstellung
DE2808177A1 (de) * 1978-02-25 1979-08-30 Th Kauffmann Kg Gmbh & Co Roll Rolladenstab, insbesondere fuer rolltore
DE2925635A1 (de) * 1979-06-26 1981-01-15 Rolf Machill Rolladenstab, insbesondere fuer rolltore
FR2522357A1 (fr) * 1982-02-26 1983-09-02 Riedel Otto Lame de volet roulant
DE19523349A1 (de) * 1995-06-27 1997-01-09 Riexinger Tuerenwerke Gmbh Lamelle für ein Blatt eines Verschlusses für ein Tor, eine Tür, ein Fenster oder dergleichen Öffnung, insbesondere für ein Rolltor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11047170B2 (en) 2018-01-31 2021-06-29 Gliderol Doors (S) Pte Ltd Slat assembly for roller shutter, roller shutter, and methods of manufacture thereof
IT201900002383A1 (it) * 2019-02-19 2020-08-19 I S E A S R L Doga di serranda avvolgibile e serranda avvolgibile
KR20210116790A (ko) * 2020-03-16 2021-09-28 김재영 내풍압 단열 셔터
KR102247552B1 (ko) * 2020-05-19 2021-05-04 주식회사 현진 가스켓을 이용한 내풍압 단열 셔터
KR102318609B1 (ko) * 2021-01-19 2021-10-28 주식회사 제이케이메탈 다단계 단열공기층을 가지는 이중구조의 셔터용 슬랫

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