EP0221857B1 - A structure of a window frame for all types of building casings, in particular hung casings - Google Patents

A structure of a window frame for all types of building casings, in particular hung casings Download PDF

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Publication number
EP0221857B1
EP0221857B1 EP86830234A EP86830234A EP0221857B1 EP 0221857 B1 EP0221857 B1 EP 0221857B1 EP 86830234 A EP86830234 A EP 86830234A EP 86830234 A EP86830234 A EP 86830234A EP 0221857 B1 EP0221857 B1 EP 0221857B1
Authority
EP
European Patent Office
Prior art keywords
window frame
casings
insulating material
sectional members
standard sectional
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.)
Expired - Lifetime
Application number
EP86830234A
Other languages
German (de)
French (fr)
Other versions
EP0221857A1 (en
Inventor
Antonio Langella
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.)
LANGELLA, ANNA
Original Assignee
Langella Anna
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 Langella Anna filed Critical Langella Anna
Priority to AT86830234T priority Critical patent/ATE51430T1/en
Publication of EP0221857A1 publication Critical patent/EP0221857A1/en
Application granted granted Critical
Publication of EP0221857B1 publication Critical patent/EP0221857B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/263—Frames with special provision for insulation
    • E06B3/26301—Frames with special provision for insulation with prefabricated insulating strips between two metal section members
    • 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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/30—Coverings, e.g. protecting against weather, for decorative purposes
    • E06B3/301—Coverings, e.g. protecting against weather, for decorative purposes consisting of prefabricated profiled members or glass
    • E06B3/305—Covering metal frames with plastic or metal profiled members
    • 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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/263—Frames with special provision for insulation
    • E06B3/26301—Frames with special provision for insulation with prefabricated insulating strips between two metal section members
    • E06B3/26305—Connection details
    • E06B2003/26312—Snap connections
    • 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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/263—Frames with special provision for insulation
    • E06B3/2632—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section
    • E06B2003/26334—Contact reducing arrangements between the insulating strips and the metal sections
    • 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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/263—Frames with special provision for insulation
    • E06B2003/26349—Details of insulating strips
    • E06B2003/26387—Performing extra functions
    • E06B2003/26389—Holding sealing strips or forming sealing abutments

Definitions

  • This invention relates to a structure of a window frame for all types of aluminium casings of the type of hung casings, sliding casings, bascule casings, overhanging casings, wasistass casings, swing/hung casings, sash casings, and casings for building curtain walls, and particularly hung casings.
  • Aluminium despite its higher first cost, has long been used to make window frames on account of its characteristic indeformability, freedom from periodic painting requirements, and above all its high resistance to corrosion due to the oxide that forms over the surface of aluminium exposed to air being unattackable by atmospheric agents.
  • window frames and especially of glazed surfaces formed from aluminium sectional members, is mainly affected by five main factors : mechanical strength, perviousness to air and water, and sound and heat insulation.
  • Today's aluminium sectional members tend to be made, owing to energy problems, more and more so as to afford good acoustic insulation to obviate the noise of daily and especially urban life, and a good thermal insulation tending more and more to afford considerable savings in the energy field, such as for home heating.
  • thermal cut-off sectional members that is sectional members wherein the outward portion is insulated thermally from the inward portion by various techniques such as insertion between the two portions of polyamide resin ribs secured, for example, either by the injection of high density polyurethane or by means of closed cell foams.
  • a comparison of the heat losses, for example, of an aluminium window as the standard or thermal cut-off frame type changes, may be summarised essentially as losses by perviousness to air, losses by conduction through the frame, losses past the glass peripheral area, and lastly, losses through the glass central area.
  • US-A-4 409 769 discloses a structure of a window frame for all types of building casings, in particular hung casings, as defined in the precharacterizing part of claim 1.
  • Each of the insulating material elements does not cover the entire external surface of each of the standard sectional members and does not have locking means on both sides for a snap association with each of said standard sectional members.
  • Another object of the invention is to provide a structure of a building window frame from commercially readily available materials so as to have a checked cost which facilitates its acceptance by the public.
  • a not least object of the invention is to provide a structure of a building window frame which has superior characteristics of resistance to atmospheric agents with respect to prior type sectional members.
  • the one figure 1 is a sectional plan view of the window frame structure comprising open joint standard sectional members according to the invention.
  • a window frame according to the invention is generally indicated by the reference numeral 1 and comprises standard sectional members for window frames, and more precisely in the example selected open joint sectional members each indicated at 2 and having an outer aluminium portion and an inner aluminium portion indicated at 3 and 4, respectively.
  • Each sectional member 2 also comprises at least one element of an insulating material 5 which has expediently a substantially plate-like conformation adapted to provide a so-called « thermal wall and comprises locking means 6 adapted for associating the insulating material element 5 by snap action with each of the standard sectional members.
  • the insulating material element 5 has means of engagement for snap-action connection to at least one joint covering strip of a rigid material, for example, in the specific case of aluminium 7.
  • the engagement means include teeth, each indicated at 8, extending orthogonally from the remote side from that whence the locking means 6 extend to engage with the raised edges 9 of the cited joint covering strip 7.
  • the insulating element also has on the side facing the sectional member at least one expansion and precisely expansions 10 to define between the outer portion 4 of the sectional member 2 and the insulating element 5 a number of interspaces serving the function of providing air pockets between the insulating element and the whole surface of the sectional member outer portion so as to provide in combination with the insulating effect, typical of the insulating element 5 itself, a considerable increase of the insulating degree which may reflect in decreased losses by conduction through the frame and decreased losses past the glass peripheral area.
  • the aluminium joint covering strip over the insulating material element 5 affords formation of an air chamber 12 whose function is the same as that of the previously mentioned interspaces 11.
  • the insulating material element 5 has interiorly channels 20 adapted to enhance the insulating effect.
  • aluminium joint covering strip affords a twofold advantage : a first advantage from that the insulating material can be protected against atmospheric agents, thus en-. suring a longer life therefore, and a second advantage from that the outer sectional member portion is made aesthetically appealing which is covered by the insulating material element, almost invariably black.
  • both the element 5 and the joint covering strip 7 may have such dimensions and conformations as to ensure their application in a very simple way to any sectional member types having any conformations and size.
  • This great advantage allows utilisation of standard sectional members suitable for making standard frames such as thermal cut- off sectional members by merely applying with extreme ease by snap action both the insulating element and the aluminium joint covering strip while ensuring a considerable reduction over known type thermal cut-off sectional members in the losses by conduction through the frame and the losses past the glass peripheral area.
  • the structure of a window frame so constructed would also be provided with a plugged opening at the air chamber 12 so as to put the cited air chamber in communication with the outside or isolate it therefrom.
  • the abutting sectional members 2 have advantageously a recess indicated at 15 adapted therefore to permit use of standard type accessories.
  • the window frame structure of this invention is particularly advantageous in allowing so-called thermal cut- off sectional members to be formed from standard sectional members and enabling therefore elimination of machine setting up each time that production is shifted from standard type sectional members to thermal cut-off sectional members.
  • the materials used and the dimensions may vary according to requirements and the state of the art.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Wing Frames And Configurations (AREA)
  • Door And Window Frames Mounted To Openings (AREA)
  • Window Of Vehicle (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Paper (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

The invention relates to a structure of a window frame (1) for all types of hung casings comprising standard sectional members (2) for frame making without the thermal cut-off feature having an insulating material element (5) associated with a rigid joint covering strip (7) and means (6,8) of associating the insulating material element (5) and the joint covering strip (7) with the standard sectional members.(2)

Description

  • This invention relates to a structure of a window frame for all types of aluminium casings of the type of hung casings, sliding casings, bascule casings, overhanging casings, wasistass casings, swing/hung casings, sash casings, and casings for building curtain walls, and particularly hung casings.
  • Aluminium, despite its higher first cost, has long been used to make window frames on account of its characteristic indeformability, freedom from periodic painting requirements, and above all its high resistance to corrosion due to the oxide that forms over the surface of aluminium exposed to air being unattackable by atmospheric agents.
  • The performance of window frames, and especially of glazed surfaces formed from aluminium sectional members, is mainly affected by five main factors : mechanical strength, perviousness to air and water, and sound and heat insulation.
  • Today's aluminium sectional members tend to be made, owing to energy problems, more and more so as to afford good acoustic insulation to obviate the noise of daily and especially urban life, and a good thermal insulation tending more and more to afford considerable savings in the energy field, such as for home heating.
  • To obviate these drawbacks at least in part, it has been arranged for the provision of so-called thermal cut-off sectional members, that is sectional members wherein the outward portion is insulated thermally from the inward portion by various techniques such as insertion between the two portions of polyamide resin ribs secured, for example, either by the injection of high density polyurethane or by means of closed cell foams.
  • These technical solutions have afforded energy savings over a standard frame without the thermal cutoff feature, especially as regards losses by conduction through the frame.
  • A comparison of the heat losses, for example, of an aluminium window as the standard or thermal cut-off frame type changes, may be summarised essentially as losses by perviousness to air, losses by conduction through the frame, losses past the glass peripheral area, and lastly, losses through the glass central area.
  • From scientific work and actual tests it appears that for a given perviousness and quality of glass, the energy saving between standard frames and thermal cutoff frames due to minor conductive losses through the frame is of only about 20 kCaVh with variable wind speed, whereas the values of all the other losses remains practically constant.
  • US-A-4 409 769 discloses a structure of a window frame for all types of building casings, in particular hung casings, as defined in the precharacterizing part of claim 1.
  • Each of the insulating material elements does not cover the entire external surface of each of the standard sectional members and does not have locking means on both sides for a snap association with each of said standard sectional members.
  • It is the aim of this invention to eliminate the above prior drawbacks by providing a frame structure for all types of building casings, in particular for hung casings, which affords a further reduction, over thermal cut-off frames, in the losses by conduction through the frame and a considerable reduction of the losses past the glass peripheral area.
  • Within the above aim, it is an important object of the invention to provide a structure of a window frame which can make use in its construction of standard commercially available sectional members of any shapes and size.
  • Another object of the invention is to provide a structure of a building window frame from commercially readily available materials so as to have a checked cost which facilitates its acceptance by the public.
  • A not least object of the invention is to provide a structure of a building window frame which has superior characteristics of resistance to atmospheric agents with respect to prior type sectional members.
  • .The above aim, and these and other objects are achieved by a structure of a window frame for all types of building casings, in particular for hung casings, as defined in the characterizing part of claim 1.
  • Further features and advantages will become apparent from a detailed description of a device according to the invention, shown by way of illustration in the accompanying drawing, where :
  • the one figure 1 is a sectional plan view of the window frame structure comprising open joint standard sectional members according to the invention.
  • Making reference to the cited single figure, the structure of a window frame according to the invention is generally indicated by the reference numeral 1 and comprises standard sectional members for window frames, and more precisely in the example selected open joint sectional members each indicated at 2 and having an outer aluminium portion and an inner aluminium portion indicated at 3 and 4, respectively.
  • Each sectional member 2 also comprises at least one element of an insulating material 5 which has expediently a substantially plate-like conformation adapted to provide a so-called « thermal wall and comprises locking means 6 adapted for associating the insulating material element 5 by snap action with each of the standard sectional members.
  • Advantageously, the insulating material element 5 has means of engagement for snap-action connection to at least one joint covering strip of a rigid material, for example, in the specific case of aluminium 7.
  • More detailedly, the engagement means include teeth, each indicated at 8, extending orthogonally from the remote side from that whence the locking means 6 extend to engage with the raised edges 9 of the cited joint covering strip 7.
  • The insulating element also has on the side facing the sectional member at least one expansion and precisely expansions 10 to define between the outer portion 4 of the sectional member 2 and the insulating element 5 a number of interspaces serving the function of providing air pockets between the insulating element and the whole surface of the sectional member outer portion so as to provide in combination with the insulating effect, typical of the insulating element 5 itself, a considerable increase of the insulating degree which may reflect in decreased losses by conduction through the frame and decreased losses past the glass peripheral area.
  • Application of the aluminium joint covering strip over the insulating material element 5, as obtained by mutual engagement of the engagement means 8 and the edges of the joint covering strip 9 itself, affords formation of an air chamber 12 whose function is the same as that of the previously mentioned interspaces 11. Advantageously, the insulating material element 5 has interiorly channels 20 adapted to enhance the insulating effect.
  • Application of the aluminium joint covering strip affords a twofold advantage : a first advantage from that the insulating material can be protected against atmospheric agents, thus en-. suring a longer life therefore, and a second advantage from that the outer sectional member portion is made aesthetically appealing which is covered by the insulating material element, almost invariably black.
  • It should be further pointed out that both the element 5 and the joint covering strip 7 may have such dimensions and conformations as to ensure their application in a very simple way to any sectional member types having any conformations and size. This great advantage allows utilisation of standard sectional members suitable for making standard frames such as thermal cut- off sectional members by merely applying with extreme ease by snap action both the insulating element and the aluminium joint covering strip while ensuring a considerable reduction over known type thermal cut-off sectional members in the losses by conduction through the frame and the losses past the glass peripheral area. Merely as an example, it should be also added that the structure of a window frame so constructed would also be provided with a plugged opening at the air chamber 12 so as to put the cited air chamber in communication with the outside or isolate it therefrom.
  • This affords depending on the areas and climate where the window frame is installed optional formation of air recirculation inside the chamber 12 effective to provide an enhanced degree of insulation especially in the event of exposure to sunlight.
  • Merely for added precision it should be also said that the so-called « European chamber that is the measurement of the inner distance defined by the coupling of two adjoining sectional members in abutment relationship with each other is a standard measurement.
  • To prevent said measurement from varying substantially in the window frame structure of this invention the abutting sectional members 2 have advantageously a recess indicated at 15 adapted therefore to permit use of standard type accessories.
  • It has been found in practice that the window frame structure of this invention is particularly advantageous in allowing so-called thermal cut- off sectional members to be formed from standard sectional members and enabling therefore elimination of machine setting up each time that production is shifted from standard type sectional members to thermal cut-off sectional members.
  • Furthermore, with this solution the number of parts to be inventoried to meet the demands from purchasers of standard or thermal cut-off sectional members are considerably reduced.
  • In practicing the invention, the materials used and the dimensions may vary according to requirements and the state of the art.

Claims (6)

1. A structure of a window frame for all types of buildings casings in particular hung casings, comprising standard sectional members (2) for making frames without the thermal cut-off feature having insulating material element associated with one rigid joint covering strip and means for associating said insulating material element and said rigid joint covering strip with said standard sectional members, each of said insulating material elements (5) covers at least part of the external surface of each of said standard sectional members and has, at least on one side, locking means (6) for a snap association with each of said standard sectional members and means of engagement (8) for a snap connection to said rigid joint covering strip (7), said insulating material element (5), said locking means and said means of engagement defining an enbloc insulating material element (5) having on the side facing to said standard sectional member at least one expansion (10) to define between said standard sectional member and said enbloc insulating element at least one air interspace, characterized in that each of said insulating material elements (5) covers the entire external surface of each of said standard sectional members (2) and has said locking means (6) on both sides for a snap association with each of said standard sectional members.
2. A structure of a window frame according to claim 1 characterized in that it has between said enbloc insulating element an said joint covering strip at least one air chamber (12) extending along the entire surface of said enbloc insulating element and of said joint covering strip.
3. A structure of a window frame according to one or more of the preceding claims, characterized in that said insulating element (5) has internally channels (20) for enhancing its insulating effect.
4. A structure of a window frame according to one or more of the preceding claims, characterized in that said means of engagement (8) comprise teeth extending orthogonally from the remote side from said at least one expansion (10) adapted to snap-action engage with the raised edges (9) of said joint covering.
5. A structure of a window frame according to one or more of the preceding claims, characterized in that it comprises at least one opening having a closure plug at said air chamber for putting into communication and out of communication with the outside.
6. A structure of a window frame according to one or more of the preceding claims, characterized in that said standard sectional member have in a peripheral area thereof a recess (15) adapted to enable the standardised measurement of the inner distance defined by the coupling of two adjoining sectional members in abutment relationship to be kept substantially unchanged.
EP86830234A 1985-09-06 1986-08-27 A structure of a window frame for all types of building casings, in particular hung casings Expired - Lifetime EP0221857B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86830234T ATE51430T1 (en) 1985-09-06 1986-08-27 FRAME STRUCTURE FOR ALL TYPES OF WINDOWS, ESPECIALLY CASEMENT WINDOWS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8522941U IT209075Z2 (en) 1985-09-06 1985-09-06 FRAME AND WINDOW STRUCTURE FOR ALL REPOLOGIES OF WINDOWS FOR BUILDING PARTICULARLY FOR SWING WINDOWS.
IT2294185U 1985-09-06

Publications (2)

Publication Number Publication Date
EP0221857A1 EP0221857A1 (en) 1987-05-13
EP0221857B1 true EP0221857B1 (en) 1990-03-28

Family

ID=11202123

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86830234A Expired - Lifetime EP0221857B1 (en) 1985-09-06 1986-08-27 A structure of a window frame for all types of building casings, in particular hung casings

Country Status (4)

Country Link
EP (1) EP0221857B1 (en)
AT (1) ATE51430T1 (en)
DE (1) DE3669904D1 (en)
IT (1) IT209075Z2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8621969D0 (en) * 1986-09-11 1986-10-15 Leaderflush Doors Ltd Plastic clad timber frames
DE4018003A1 (en) * 1990-06-05 1992-01-16 Gartner & Co J Thermally insulated composite sections - consists of inner and outer section joined and held apart by rails with bolts
EP3034767B1 (en) * 2014-12-18 2017-11-01 dormakaba Deutschland GmbH Slidable wall system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT285915B (en) * 1968-02-13 1970-11-25 Rudolf Ing Weikert Insulated frame for windows, doors, walls, bars or the like.
NO125903B (en) * 1969-03-19 1972-11-20 Bierlich J H
SU532350A3 (en) * 1970-09-16 1976-10-15 Алко Бауцубехергезельшафт Мбх Унд Кс (Фирма) Impost joint and facing frame joints
FR2288845A1 (en) * 1974-06-26 1976-05-21 Nathan Victor Double glazing frame for window frame - has sections snap fitting over mounting and sealing strips
BE817041A (en) * 1974-06-28 1974-10-16 METAL CHASSIS.
DE2830570A1 (en) * 1978-07-12 1980-06-12 Fachverband Metallfenster Im D Fire resistant insulation glazed structure - has non combustible sealing round hollow inner frame of high fusion point material
GB2036843A (en) * 1978-12-12 1980-07-02 Elemeta Windows Ltd Improvements in or Relating to Window Frames
US4409769A (en) * 1980-08-25 1983-10-18 Kawneer Company, Inc. Heat insulated entrance
DE3213891A1 (en) * 1982-04-15 1983-10-27 Gernot Dipl.-Ing. 7250 Leonberg Jacob Composite profiled bar, especially for window frames

Also Published As

Publication number Publication date
DE3669904D1 (en) 1990-05-03
ATE51430T1 (en) 1990-04-15
IT209075Z2 (en) 1988-09-06
IT8522941V0 (en) 1985-09-06
EP0221857A1 (en) 1987-05-13

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