EP3945194A1 - Croisillon d'espacement et utilisation d'un tel dispositif - Google Patents

Croisillon d'espacement et utilisation d'un tel dispositif Download PDF

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Publication number
EP3945194A1
EP3945194A1 EP20188762.7A EP20188762A EP3945194A1 EP 3945194 A1 EP3945194 A1 EP 3945194A1 EP 20188762 A EP20188762 A EP 20188762A EP 3945194 A1 EP3945194 A1 EP 3945194A1
Authority
EP
European Patent Office
Prior art keywords
wall
installation
section
installation spacer
diameter
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.)
Pending
Application number
EP20188762.7A
Other languages
German (de)
English (en)
Inventor
Lionel Mallebay
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.)
SFS Group International AG
Original Assignee
SFS Intec Holding AG
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 SFS Intec Holding AG filed Critical SFS Intec Holding AG
Priority to EP20188762.7A priority Critical patent/EP3945194A1/fr
Publication of EP3945194A1 publication Critical patent/EP3945194A1/fr
Pending 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
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/56—Fastening frames to the border of openings or to similar contiguous frames
    • E06B1/60—Fastening frames to the border of openings or to similar contiguous frames by mechanical means, e.g. anchoring means
    • E06B1/6069—Separate spacer means acting exclusively in the plane of the opening; Shims; Wedges; Tightening of a complete frame inside a wall opening

Definitions

  • the present invention addresses the installation of new and/or replacement of older windows and doors in buildings, more precisely the placing and precisely adjusting of such building components relative to the openings of buildings and the structural parts used to allow for that.
  • the outer frames of building components such as windows and doors can be placed and mounted within a wall opening or in front of it (pre-wall installation).
  • Pre-wall installation of windows has its advantages, because further installations such as plumbing, electrical wiring, heating pipes and insulation can be installed simply on the surface of the load-bearing wall and later be covered by insulation and/or dry-wall construction elements.
  • FIG. 1 shows such a common mounting type.
  • An angled bracket 14 is being attached to an edge area 13 of a frame 12 via a screw 18.
  • a further screw 16 is being inserted into a prepared bore in the wall to connect wall 10 and bracket 14.
  • the distance between wall 10 and frame 12 is being adjusted to the specified value by loosening screw 18, aligning the frame 12 and tightening the screw 18 again. The process of loosening and tightening has to be done for each bracket.
  • Such an inventive installation spacer can provide three functions in one component: guiding a fastener when fixing a building component such as a door or a window frame to a wall, permitting to adjust a distance between the wall and the window, and eventually blocking the door or window at said position even against the actions of the other fasteners used in the mounting process, thus preventing any movement of the window.
  • Such installation spacer essentially comprises three parts. Firstly, an essentially flat mounting base defining a base plane. The mounting base is being used to attach the installation spacer to the frame of a window or door. It goes without saying that the mounting base may be equipped with fixtures known in the art, such as through holes, elongated holes, clip-like elements that support or enable attaching of an installation spacer / mounting base to the frame.
  • the mounting base needs not to be perfectly flat, but extending in a plane being defined above as base plane.
  • the mounting base may have strengthening ribs or other reinforcing textures.
  • the installation spacer comprises a guiding tube with a central through hole around its longitudinal axis. Said tube has a first end and a second end.
  • a wedge element fixedly connects said guide tube with the mounting base.
  • the term wedge indicates that the wedge element is construed to define an acute angle ⁇ between the axis and the base plane such that the first end is located closer to the base plane than the second end.
  • the tube and its central axis are not arranged in parallel, but inclined relative to each other. Consequently the second end and the axis are aiming away from the mounting base whereas the first end is aiming towards the mounting base.
  • the wedge element is being construed such that ⁇ is being chosen as a value between 5° to 30°, in a second preferred embodiment between 5° to 12° including both values in each case. In a third preferred embodiment, ⁇ is being chosen to be 6°.
  • This inclination of the guiding tube relative to the mounting base results in the guiding tube facing away from the frame, when the installation spacer is being installed properly. By this inclination, the edge distance of the fastener in the wall is increased. Furthermore, this inclination contributes to the counterforces of the fasteners' actions towards each other, reinforcing the blocking of any movements of the window, and thus supporting to the keeping of the desired distance.
  • Such an installation spacer can preferably be manufactured from a (thermo-) plastic such as PE, PP, PA, PC, PVC or other suitable material. If required, such plastic material can be reinforced by adding glass or carbon fibres for enhanced strength.
  • the preferred method of manufacturing is injection molding.
  • an installation spacer can be used as a pure guiding tube for a fastener such as a screw; it can be further improved by tailoring the inner dimensions specifically.
  • an installation spacer can be construed to exhibit a through hole with at least 2 sections, a first section with a first diameter D1 and a length L1 starting off at the first end and an adjacent second section with a second diameter D2 and a length L2.
  • D1 first diameter
  • D2 a length L2
  • an installation spacer can exhibit a third section in said through hole with a third diameter D3 and a length L3, starting off at the second end.
  • D3 is of a different dimension than D2, depending on the application D3>D2 or D3 ⁇ D2 is valid.
  • the installation spacer can be complemented with a fastener to establish a fastener arrangement.
  • Said fastening arrangement comprises an installation spacer as described above and a screw with a core diameter D C and thread diameter D T for which is valid D C ⁇ D2 ⁇ D T .
  • a building component needs to be provided with an outer, frame-like structure.
  • the frame is the part to be attached to the wall or wall portion with the respective opening to be covered by the door / window.
  • a plurality of installation spacers as described above will be mounted to the outer frame surface.
  • Surface of the frame means the area to be oriented perpendicularly to said wall.
  • the installation spacer(s) are positioned such that the guiding tube is consequently facing the wall with its second end.
  • the installation spacer can also be used as drilling jig to guide a drill for creating a properly angled hole at the intended position in the wall.
  • the screw has a core diameter D C and thread diameter D T for which is valid Dc ⁇ D2 ⁇ D T resulting in a thread being cut into the inner surface of the guiding tube. Further detailed explanation can be found down below with respect to figure 5-8 .
  • Figure 2 shows a building component 40 (frame) with an installation spacer 20 mounted to the outer frame surface in a cross section. Said surface is shown to be oriented rectangular to wall 45, such that the guiding tube of the installation spacer is facing the wall with its second end. A fastener 50 has been screwed through the guiding tube, which here exhibits a three-section design.
  • Figure 3 shows a longitudinal cut through an installation spacer 20.
  • the bottom is formed by mounting base 22 defining a base plane 21.
  • a guide tube 26 is firmly connected to said mounting base 22 via a wedge element 24.
  • the guide tube has a central through hole 29 around a central axis 25.
  • the wedge element 24 serves the purpose to ensure a defined acute angle ⁇ between said axis 25 / through hole 29 and the base plane 21 or mounting base 22.
  • the through hole has 2 openings, a first (lower) end 27 and second (higher) end 28.
  • the terms lower and higher are to be understood as “closer" to the mounting base 22 and higher as “more distant”.
  • the guide tube 26 or the through hole 29 respectively exhibit a plurality of consecutive sections 31, 32, 33 arranged lengthwise along axis 25. Seen from the lower end / first end 27 a first, short section 31 is followed by a longer section 32.
  • the first section's diameter D1 is larger than the second section's 32 diameter D2.
  • the screw may have a core diameter D C and a thread diameter D T depending on the geometry of the screw, e.g. Dc ⁇ D2 ⁇ D T a thread can be cut into the inner surface of the guiding tube 26 by said screw.
  • a third section 33 is being shown of a length L3 ⁇ L2. This section can be used to allow a dowel attached to the tip of the screw to be retracted into the section 3 which might be helpful when aligning the building component / frame to the wall.
  • the length of guiding tube 26 and the length of respective sections 31, 32, 33 will be chosen and optimized depending on the frame size, the load and the base material the fastener shall be screwed in.
  • L1, L2, L3 designate the lengths of respective sections 31-33.
  • Figure 4 is a perspective view onto an installation spacer 20 from the "lower" end (first end 27) onto the guiding tube 26.
  • the wedge element 24 here has been formed from two vertically arranged bars or plates for improved stability.
  • the mounting base 22 is shown as a broad base plate to make room for fixtures to a frame's surface.
  • FIG. 5 to 8 show various types of fasteners, screws 60, 70, 80, 90 to be advantageously used with an installation spacer 20 as shown in figure 3 .
  • the term D T means "diameter thread” and D C "diameter core”.
  • the additional reference number refers to the respective section of the screw, the numbering starts at the tip towards the head.
  • the screws each exhibit different sections with and without threads.
  • the diameter of the sections may vary.
  • the geometry of the tip shall not be limiting, a man skilled in the art will choose a tip-type known in the art to screw the fastener into bricks, wood, predrilled holes with or without a plastic wall plug.
  • Figure 5 shows a common screw with a threaded shaft 61 and a head 69, useful to screw an installation spacer to a wall segment. If thread diameter D T 60 is being chosen smaller than D2 of section 32 (cf. figure 3 ), the screw will be easily inserted through section 32. That way the frame will be pressed to the wall segment as soon as the screw gains grip in the wall and the head hits the recess/stop 23 between section 31 and 32.
  • screw 60 will cut a thread into the inner surface of section 32. This way screw 60 will gain grip via section 32 and not necessarily via the stop / recess 23. In this case the screw will be able to withstand both push- and pull-forces, because it is being anchored independently via two different sections.
  • the frame does not need to forcedly contact the wall to be in its final position.
  • the screw in this case acts as a spacer bolt.
  • Figure 6 shows a screw 70 with a threaded section 71 including a tip and an unthreaded section 72.
  • Diameter D C 70 is the diameter in section 72 as well as core diameter in section 71. If thread diameter D T 70 is being chosen smaller than D2 of section 32 (cf. figure 3 ), the screw will be easily inserted through section 32. If the condition D C 70 ⁇ D2 ⁇ D T 70 is met, then section 71 of screw 70 will cut a thread into section 32, but the unthreaded section 72 will not be affected. The connection between frame and wall will be dominated by tensile forces.
  • Figure 7 shows a so called stepped screw 80 with three sections 81-83, where the diameter is increasing from section 81 (incl. tip) to 83.
  • a special feature is the headless design with a recessed force application point.
  • the diameters of the individual sections (D C core diameter, D T thread diameter) are as follows: D C 81 ⁇ D T 81 ⁇ D C 82 ⁇ D C 83 ⁇ D T 83 .
  • the pitch of the threads in section 81 and 81 is the same.
  • Diameter D2 of section 32 is preferably chosen to D C 82 ⁇ D2 ⁇ D C 83 . This way the stepped screw can be inserted through the guiding tube 26 up and including section 82. Handling is simplified compared to screw 60, because only section 83 will cut a thread into section 32 of the installation spacer.
  • a further variant of mounting can be achieved by screw 90 of figure 8 .
  • Screw 90 in analogy to figure 7 , is valid for the diameters: D C 91 ⁇ D T 91 ⁇ D C 92 ⁇ D C 93 ⁇ D T 93 .
  • Screw 90 has a head 99; the pitches in section 91 and 93 are different.
  • the screw 90 can be used as spacer bolt as described for figure 60.
  • the forward feed per turn is different for section 91 and 93. This results in a fine-tuning possibility of the distance between frame (installation spacer) and wall.
  • Figure 9 shows a completed mounting situation of a window (building component 40) at a wall opening 44. Inside in this drawing is on the left, outside on the right. The window area is being shown in reduced scale as indicated by the bent line. The window is attached to a rigid wall segment 45, on the inside an insulation layer 46 has been affixed covered again by an inner lining 48 (plaster, gypsum board or alike). A cover 42 bridges the gap between window and inner lining 48 thus hiding the space used for the installation spacer 20.
  • an inner lining 48 plaster, gypsum board or alike
  • Installation spacer 20 have been attached to the outer frame surface of said window, here shown on opposing sides of the frame.
  • the number of installation spacer used will depend on the weight and size of the window (building component 40) and will be chosen by the man skilled in the art based on building regulations or specifications of the window manufacturer.
  • the window will be fixedly attached to the wall 45 with the aid of screws 50 via the installation spacer 20.
  • a seal or dampening layer 49 may help to avoid any leak of air between inside and outside.
  • the specific angle ⁇ effects the screws 50 to be tilted outwardly, away from the building component 40. This results in an increase of the effective anchoring length of screw 50 in the wall compared to a rectangular setting.
  • the screw shown does not require a plastic wall plug.
  • installation layer 20 comprising an essentially flat mounting base 22, the wedge element 24 and guiding tube 26 with its first end 27 and second end 28.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Door And Window Frames Mounted To Openings (AREA)
EP20188762.7A 2020-07-30 2020-07-30 Croisillon d'espacement et utilisation d'un tel dispositif Pending EP3945194A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20188762.7A EP3945194A1 (fr) 2020-07-30 2020-07-30 Croisillon d'espacement et utilisation d'un tel dispositif

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20188762.7A EP3945194A1 (fr) 2020-07-30 2020-07-30 Croisillon d'espacement et utilisation d'un tel dispositif

Publications (1)

Publication Number Publication Date
EP3945194A1 true EP3945194A1 (fr) 2022-02-02

Family

ID=71894753

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20188762.7A Pending EP3945194A1 (fr) 2020-07-30 2020-07-30 Croisillon d'espacement et utilisation d'un tel dispositif

Country Status (1)

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EP (1) EP3945194A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009009444U1 (de) * 2009-07-10 2010-11-11 Hörmann KG Freisen Zargenholm, Zargenbefestigungsvorrichtung und Zarge
WO2018044186A1 (fr) * 2016-09-05 2018-03-08 Aib Spółka Z Ograniczoną Odpowiedzialnością Sp.K. Élément structural pour l'installation de portes et de fenêtres

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009009444U1 (de) * 2009-07-10 2010-11-11 Hörmann KG Freisen Zargenholm, Zargenbefestigungsvorrichtung und Zarge
WO2018044186A1 (fr) * 2016-09-05 2018-03-08 Aib Spółka Z Ograniczoną Odpowiedzialnością Sp.K. Élément structural pour l'installation de portes et de fenêtres

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