WO2004087340A2 - Thermally cut modular metal frame for doors and windows - Google Patents
Thermally cut modular metal frame for doors and windows Download PDFInfo
- Publication number
- WO2004087340A2 WO2004087340A2 PCT/IB2004/002470 IB2004002470W WO2004087340A2 WO 2004087340 A2 WO2004087340 A2 WO 2004087340A2 IB 2004002470 W IB2004002470 W IB 2004002470W WO 2004087340 A2 WO2004087340 A2 WO 2004087340A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stake
- modular frame
- sections
- metal
- doors
- Prior art date
Links
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
- E06B3/26338—Frames with special provision for insulation comprising short insulating elements disposed at intervals
Definitions
- the present invention refers to a thermally cut metal modular frame, in particular for doors and windows.
- Both the building inner partitions and conventional openings along the building walls consist of entry or passage doors and windows for airing and lighting rooms.
- the characteristics of said doors and windows include good weatherability, in particular good resistance to the action of air and water.
- doors and windows must permit to acoustically eliminate outer noise, which might disturb the normal working .and recreational activities as well as the stay of people inside the room.
- doors and windows have become more and more important .
- they act as filtering elements for the outer actions of the atmospheric agents.
- prior art doors and windows are made of wood which, as known, is easily formable and is a good thermal insulator.
- wood is used along with metallic materials, mostly aluminium and steel, as well as plastic materials, e.g. PVC.
- Metal sections provide good resistance to atmospheric agents and larger doors and windows .
- condensate tends to accumulate along the inner periphery of the door and window, said condensate being, as known, the most unhealthy thing inside rooms, forming a very good ground for the proliferation of bacterial colonies.
- abundant condensate may migrate from the door or window to the wall, thus damaging plaster with the possible formation of moulds.
- the frame of prior art doors and windows was formed of two sections either of a different material or of an identical material.
- the first group includes doors and windows comprising an outer metal section and an inner wood section which alternatively, for less valuable doors and windows, may be replaced by PVC.
- the different materials are longitudinally coupled by means of the particular configuration of the sections which comprise longitudinal, mutually holding male and female means.
- the two sections are coupled by means of little stakes which are perpendicular to the facing sides of said two sections and are welded on the two inner faces of the sections to be coupled and attached according to a lattice pattern.
- the filling and interposing material acts just like a spacing element to connect the two sections.
- GB2084230 Chapman
- GB2084230 Chapman
- two metal bars of the same material, but having different configurations are longitudinally coupled by means of a plastic material.
- the two metal bars are formed separately.
- An edge of one of the two parts is attached to a passage by means of clips which are spaced along the passage length and prevent the contact metal-to-metal between the two parts.
- the passage is then filled with a liquid plastic material which, once solidified, connects the two parts firmly and, at the same time, forms the thermal bridge.
- GB2084230 Chapman
- CH0632556 Gross discloses two metal sections which are longitudinally and separately coupled by interposing two plastic strips. Therefore, in this case some liquid is not poured, but two separate interconnecting elements are interposed and act as mutually holding means, between two differently shaped metal sections.
- CH0632556 discloses a first section which, on the side facing the adjacent section to join, is provided with two first longitudinal seats having an essentially C-shaped cross-section. Similarly, the adjacent section is provided with two second longitudinal seats having an essentially C-shaped cross-section and being specular to said two first sections. Between said first and second longitudinal seats two plastic strips are placed, each of them inserting its straight edge into the corresponding seat. Each strip is continuous, as it occupies the whole corresponding longitudinal seat of the section, and both the longitudinal edges are provided with a tooth which is shaped according to a part of the configuration of a wall of the corresponding seat.
- DE3301906 discloses two metal sections which are coupled by interposing two plastic strips which keep said sections separate. Differently from the previous solution, this solution provides a system which, after being inserted, deforms one of the two metal walls of the seat housing the longitudinal edge of the plastic strip. The wall is thus closed towards the inside of the seat by stapling the plastic strip adjacent to a longitudinal passage which is provided by the shape of one of the two faces of said plastic strip.
- ES2012681 (Lanciego) describes two sections of the same material or of a different material to be coupled and kept separate. Each section, on the side facing the side of the opposite section to join, has two separate longitudinal seats which are shaped according to the dovetail shape of an element interposed between said two sections to be joined.
- the interposing element is a H-shaped plastic section which, once joined to the corresponding opposite sections, provides some chambers which may be filled with cellular material as an insulating means .
- US3925953 (LaBorde) describes a method for providing a thermal bridge in a building element.
- a plastic section clamps, on the outside, two separate metal sections between which a layer of a plastic material is interposed.
- GB2084229 (Davies) describes an assembled, thermally insulated metal section. More in detail, a window frame or a frame for a continuous face comprise a two-part box-like section. Each part has an opposite, inward- oriented flange and the two parts are joined together by means of spacing elements to provide a thermal bridge.
- the spacing elements have two slots engaging the two flanges of the box-like section. Said spacing elements are provided with a central opening into which, in the assembly, a pin is inserted, the cross section of which is larger than the central opening, so that, when the pin has been inserted, the slots are deformed to engage by friction the flanges of the two opposite portions of the box-like section.
- CH0632556 (Gross), DE3301906 (Schuco) or ES2012681 (Lanciego) which consist of a body, as an element of thermal cut, generally made of a plastic material, to be interposed between the two metal sections to be coupled, are not always effective.
- the first solution i.e. CH0632556 (Gross)
- CH0632556 does not allow to hold the two coupled sections firmly, so that removal is not unlikely to occur because of greater thermal expansions than usual.
- DE3301906 (Schuco) and ES2012681 (Lanciego) solve the problem of joining the two ' sections firmly, but the first of the two solutions needs further axial working with respect to the tubular element, said further working being performed with difficulty and being unrestorable in the original condition.
- the second solution is certainly more resolutive than the previous ones, but it makes the assembling of the frame of the door or window particularly complicated, besides making the frame heavy and burdensome.
- GB2084229 (Davies) seems to be a more manageable and effective system than the other ones in that the modular portion of the section which is used to provide the frame of the door or window has interconnecting elements which 'are interposed between the two metal sections to be coupled.
- the holding capacity of the sections seems to be uncertain, since a pin needs to be inserted which deforms each interconnecting element. As it can be guessed, this solution is still laborious both with regard to the assembly and with regard to the production of the elements.
- the object of the present invention is also to overcome the above mentioned drawbacks .
- a thermally cut modular metal frame in particular for doors and windows said frame comprising two tubular sections which are coupled at least by means of a removable interconnecting element made of an insulating material, wherein each of the two tubular sections, on the side facing the side of the coupled tubular section, is provided with equidistant slots, each of them receiving the corresponding bayonet joined end of a spacing little stake which is perpendicular to the surface of the coupled tubular sections.
- a first object is to optimize objects already achieved by other previous solutions, by considerably reducing thermal bridges in a modular section for frames for doors and windows. This has been possible by providing interconnecting and spacing little stakes made of a good insulating and, at the same time, strong material, e.g. bakelite.
- GB2084229 (Davies) a second object is to provide a particularly robust door or window which, though being little heavy, permits to keep extraordinary resistance to bad weather and housebreaking.
- both coupled sections are only longitudinally drilled by means of said slots, thus allowing both sections to keep a certain stiffness to bending and torsion, whereas in GB2084229 (Davies) the section stoutness is endangered since a continuous longitudinal slot is provided.
- a third object is to provide a composite modular and flexible section which can be easily assembled and disassembled and to reduce the number of codes of the stocked components, thus making a rational use of the spaces and significantly facilitating the overall management of the storehouse. Besides providing quick assembly, this system makes it possible to use recycled material or polymers to obtain the interconnecting little stakes, thus providing a cheap product. Finally, the problems connected with stocking goods in the storehouses are avoided and the production of discards is limited, permitting each user to create rapidly one's section system without any problem. Finally, a fourth object is to provide a section for the frame of a door or window which is not particularly complicated, at the same time being valuable and having a good technological content, thus considerably improving the supply on the market and limiting production costs.
- Figure 1 is a plan view of one of the two larger sides of a tubular section according to the present invention.
- Figure 2 is a side view of a little stake as an interconnecting and spacing element for coupling two tubular sections.
- Figure 3 is a plan view of the little stake of Figure
- Figure 4 is a cross-sectional view of an assembled modular section.
- Figure 5 is a plan view of one of the two larger sides of a second tubular section according to the present invention.
- Figure 6 is a side view of a second embodiment of the little stake of Figure 2 as an interconnecting and spacing element for coupling two tubular sections .
- Figure 7 is a front-end view of two tubular sections coupled by interposing the little stake of Figure 2 as an interconnecting and spacing element .
- Figure 8 is a front-end view of two second tubular sections coupled by interposing the little stake of Figure 6 as an interconnecting and spacing element.
- Figure 9 is an exploded view of a further embodiment of the little stake as an interconnecting and spacing element for coupling two tubular sections.
- figure 10 is a side, partially sectional view of two tubular sections coupled by interposing a little stake as an interconnecting and spacing element.
- a thermally cut modular metal frame 1 particularly for doors and windows, is provided by longitudinally coupling two tubular metal sections 2, 3 of steel.
- each metal tubular section 2, 3 is provided, at least on one of its sides, in the present case on one of its larger faces 20, 30, with coincident or specular, symmetric openings, e.g. slots 4, which are longitudinally aligned and arranged along the median axis of each of said two larger faces 20, 30.
- Each slot 4 is oriented longitudinally and, at the middle thereof, has a circular enlarged portion forming the seat 40.
- each little stake 5 (see Figure 2) consists of a monolithic body having a round cross- section, the shape of which recollects cylindrical portions of different diameter being approached, wherein between two cylindrical portions 50, 51 having the same diameter or a different diameter a portion 52 of a lesser diameter is interposed.
- each little stake 5 is provided at the two ends of each little stake 5 a round, flat head 50 is provided, each head being separated from an adjacent cylindrical portion 51 by a first cylindrical connecting portion 52 having a lesser diameter than the diameter of the two adjacent portions 50, 51.
- the little stake 5 is thus provided with two central cylindrical portions 51 being joined by a second connecting cylindrical portion 53 having a lesser diameter than the two adjacent portions 51 between which it is interposed.
- Each of the little stakes 5 is bayonet joined with the faces 20, 30 of the tubular sections 2, 3 by first inserting into each seat 40 the corresponding head 50 of the little stake 5 until said head 50 projects beyond the side opposite the coupling side of the faces 20, 30, to move the stake 5, by a longitudinal motion either of the stake 5 or of the tubular sections 2 and 3, from a central position corresponding to the seat 40 to one of the two ends 41 of the slot 4.
- the height of the connecting cylindrical portion 52 cannot be lower than the thickness of the side of the face 20, 30 of the tubular section 2, 3.
- the dimensions of seat 40 are just sufficient to let the head 50 of the stake 5 pass through, whereas the width of the guiding slot 4 is a little larger than the diameter of the first connecting cylindrical portion 52.
- the two tubular sections to be coupled are of the type 6 with a flat face 60 having along its length aligned equidistant holes 61 positioned along the median and longitudinal axes.
- Said two tubular sections 6 can be longitudinally coupled by means of expanding stakes 7.
- Said expanding stakes 7 have a main body configured with alternate diameters, substantially like the stakes 5.
- the flat head 70 is centrally provided with a dead hole 71 axially stretching forward relative to said stake 7 to interest at least the adjacent connecting cylindrical portion 72 of a lesser diameter.
- the conic end 701 of a pin 700 is inserted into the dead hole 71, said pin 700 being pushed deeply at least ⁇ ntil the annular flange 702 is positioned on the upper side of the head 70.
- the connecting cylindrical portion 72 of the stake 7 is deformed, as it expands radially thus engaging the flat face 60 and, thence, the corresponding section 6.
- a perpendicular stem with a cylindrical section 704 is interposed between the annular flange 702 and the head of the pin 703.
- some strips of an insulating filling material 8 are inserted into the hollow space between the two coupled metal tubular sections, e.g. the tubular sections 2 and 3.
- Figures 9 and 10 show another embodiment 9 of the interconnecting spacing stake for coupling two tubular sections 6. More in detail, the stake 9 comprises an essentially cylindrical deformable body 90 at one end of which a threaded hole 91 is provided. On the walls surrounding said hole 91, having a conical opening 92, and radially in relation with said hole 91, a longitudinal split 10 is provided which permits the corresponding end portion to get progressively deformed by coaxially inserting a screw-like pin 95. At the opening of the hole 91 a collar 94 is provided, the height of which corresponds approximately to the thickness of the metal adjacent to the hole 61 on the side 60 of the tubular section 6 which, in the present case, has a square cross-section.
- the pin 95 which can be inserted into the hole 91, consists of a monolithic body with a threaded male end 96 and a female end, the diameter of which is bigger than the diameter of the middle portion of the body having a threaded hole 97.
- One threaded male end 98 of the spacing body 99 which consists of a cylindrical element with a round uniform cross-section, is screwed into said threaded hole 97.
- the spacing body 99 must be provided with a pin 95 engaging a corresponding deformable body 90 in order to permit the engagement of a tubular section 6 with a, square cross-section and a hole 61.
- the body 90 is provided, along its periphery, with a continuous groove 93 having an essentially U-shaped cross-section.
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Wing Frames And Configurations (AREA)
- Special Wing (AREA)
- Joining Of Corner Units Of Frames Or Wings (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04744121A EP1608835A2 (en) | 2003-03-07 | 2004-03-05 | Thermally cut modular metal frame for doors and windows |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTV20030040 ITTV20030040A1 (en) | 2003-03-07 | 2003-03-07 | COMPOSITE STRUCTURE OF METALLIC PROFILE OF THE THERMAL CUT TYPE FOR THE CONSTRUCTION OF WINDOWS. |
ITTV2003A000040 | 2003-03-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2004087340A2 true WO2004087340A2 (en) | 2004-10-14 |
WO2004087340A3 WO2004087340A3 (en) | 2005-01-06 |
Family
ID=33105067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2004/002470 WO2004087340A2 (en) | 2003-03-07 | 2004-03-05 | Thermally cut modular metal frame for doors and windows |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1608835A2 (en) |
IT (1) | ITTV20030040A1 (en) |
WO (1) | WO2004087340A2 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7119423U (en) * | 1973-01-04 | Goetz Metallbau Gmbh | Thermally insulated composite profile | |
DE7710609U1 (en) * | 1976-04-14 | 1977-08-04 | Seraphin Puempel & Soehne Kg, Feldkirch, Vorarlberg (Oesterreich) | FASTENING ELEMENT |
DE2604814A1 (en) * | 1976-02-07 | 1977-08-11 | Metallbaukontor Frankfurt Gmbh | Insulating window or door bar piece connector - comprising two bolt linked parts with hooks engaging interfacing ribs |
DE19522791C1 (en) * | 1995-06-14 | 1996-11-21 | Mannesmann Ag | Composite profiled member with insulating body |
-
2003
- 2003-03-07 IT ITTV20030040 patent/ITTV20030040A1/en unknown
-
2004
- 2004-03-05 WO PCT/IB2004/002470 patent/WO2004087340A2/en not_active Application Discontinuation
- 2004-03-05 EP EP04744121A patent/EP1608835A2/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7119423U (en) * | 1973-01-04 | Goetz Metallbau Gmbh | Thermally insulated composite profile | |
DE2604814A1 (en) * | 1976-02-07 | 1977-08-11 | Metallbaukontor Frankfurt Gmbh | Insulating window or door bar piece connector - comprising two bolt linked parts with hooks engaging interfacing ribs |
DE7710609U1 (en) * | 1976-04-14 | 1977-08-04 | Seraphin Puempel & Soehne Kg, Feldkirch, Vorarlberg (Oesterreich) | FASTENING ELEMENT |
DE19522791C1 (en) * | 1995-06-14 | 1996-11-21 | Mannesmann Ag | Composite profiled member with insulating body |
Also Published As
Publication number | Publication date |
---|---|
ITTV20030040A1 (en) | 2004-09-08 |
EP1608835A2 (en) | 2005-12-28 |
WO2004087340A3 (en) | 2005-01-06 |
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