GB2517810A - Casement window or door assembly - Google Patents

Casement window or door assembly Download PDF

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Publication number
GB2517810A
GB2517810A GB1402605.8A GB201402605A GB2517810A GB 2517810 A GB2517810 A GB 2517810A GB 201402605 A GB201402605 A GB 201402605A GB 2517810 A GB2517810 A GB 2517810A
Authority
GB
United Kingdom
Prior art keywords
assembly
window
frame
face
wing
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.)
Granted
Application number
GB1402605.8A
Other versions
GB2517810B (en
GB201402605D0 (en
Inventor
Mervyn Montgomery
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.)
HAMPTON CONSERVATORIES Ltd
Original Assignee
HAMPTON CONSERVATORIES Ltd
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 HAMPTON CONSERVATORIES Ltd filed Critical HAMPTON CONSERVATORIES Ltd
Priority to GB1402605.8A priority Critical patent/GB2517810B/en
Publication of GB201402605D0 publication Critical patent/GB201402605D0/en
Publication of GB2517810A publication Critical patent/GB2517810A/en
Application granted granted Critical
Publication of GB2517810B publication Critical patent/GB2517810B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E06B3/06—Single frames
    • E06B3/08—Constructions depending on the use of specified materials
    • E06B3/10—Constructions depending on the use of specified materials of wood
    • 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
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
    • 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
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
    • E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
    • 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
    • E06B3/06—Single frames
    • E06B3/08—Constructions depending on the use of specified materials
    • E06B3/12—Constructions depending on the use of specified materials of metal
    • 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
    • E06B3/06—Single frames
    • E06B3/08—Constructions depending on the use of specified materials
    • E06B3/20—Constructions depending on the use of specified materials of plastics

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Wing Frames And Configurations (AREA)

Abstract

A casement window or door assembly comprising a frame 30 within which a hinged wing 2 of the window or door is hingedly mounted, the frame having at least one bevelled shoulder 44 46 facing an opening side of the window assembly against which a respective resilient seal 22 24 provided on the wing abuts when the wing is in its closed position. Preferably the shoulder extends at least at an acute angle with respect to the plane, preferably at 45°. The shoulder and seal preferably extends around the circumference of the frame. Preferably two bevelled shoulders are provided, one located on the outer face 42 of the window/door and one of the inner face 34. By having a bevelled shoulder for engaging with the seal misalignment of the wing and the frame or misadjustment of the locking mechanism can be accounted for preventing drafts.

Description

Casement Window or Door Assembly
FIELD OF THE INVENTION
This invention relates to a casement window or door assembly and in particular to an improved sealing arrangement of a casement window or door assembly.
BACKGROUND OF THE INVENTION
Windows and doors typically comprise a wing (door or window sash) hingedly mounted in a frame having a rebate open to an opening side of the window or door for receiving the wing, such that the wing can be pivotally swung between an open position and a closed position. In the closed position a front face of the wing on a closing side of the window or door abuts an inner shoulder of the frame rebate on at least the top and sides of the frame, such shoulder extending perpendicular to the inner sides of the frame. A resilient seal is often provided on one or both of the abutting faces of the wing and the shoulder of the frame to provide a draft proof seal. Often the wing is provided with an outer lip on the opening side of the window or door, the outer lip abutting an outer face of the frame on the opening side of the window or door when the window or door is closed. A further resilient seal is typically provided on the outer lip of the wing to engage the outer face of the frame.
The effectiveness of the sealing of such known arrangement depends upon the accuracy of the alignment between the wing and the frame and also on the operation and/or adjustment of the locking means for securing the window or door in its closed position. Thus the sealing arrangement is prone to drafts and/or may prevent reliable operation of the locking means without careful adjustment.
SUMMARY OF THE INVENTION
According to the present invention there is provided a casement window or door assembly comprising a frame within which a wing of the window or door is hingedly mounted for pivotal movement between open and closed positions, the frame having at least one bevelled shoulder against which a resilient seal provided on the wing abuts when the wing is in its closed position.
Preferably the at least one shoulder extends at an acute angle with respect to a plane defined by the frame, optionally at 45° thereto.
Preferably said resilient seal is provided on a corner of the wing.
The said at least one bevelled shoulder may extend around the circumference of the frame.
In a preferred embodiment the frame is constructed from elongate frame members to define a rectangular opening, wherein each frame member has a front wall on an opening side of the window assembly and a rear wall on a closing side of the window assembly, said at least one bevelled shoulder being defined between said front and rear walls.
The wing may include a flange located on the opening side of the wing, a first resilient seal being provided on a corner on said flange facing the frame, said first resilient seal engaging a first bevelled shoulder provided on the frame adjacent an opening side of the assembly, a second resilient seal being provided on a corner of the frame on a closing side of the wing, said second resilient seal engaging a second bevelled shoulder provided on the frame adjacent a closing side of the assembly.
In a preferred embodiment each frame member, in cross section, comprises a rear face on a closing side of the window assembly, a second face extending inwardly from the rear face, a third face extending from an inner edge of said second face towards an outer side of the window frame, an inner face extending from the third face, normal to the rear face, and a front face on an opening side of the window extending parallel to the rear face, the third and inner faces comprising the sides of a rebate for receiving the window sash.
The first bevelled shoulder is preferably located at or adjacent a first side of the inner face adjacent the rear face and the second bevelled shoulder is preferably located at or adjacent a second side of the inner face adjacent the front face.
In one embodiment, the first bevelled shoulder may comprise a portion of the inner face while the second bevelled shoulder may comprise a portion of the third face.
A further portion of each window frame member extending from the respective second bevelled shoulder towards the opening side of the window may extend at an obtuse angle to the front face to provide clearance between such portion and an outer side of a flange of the respective sash frame member when the window is closed.
BRIEF DESCRIPTION OF THE DRAWINGS
A casement window assembly in accordance with an embodiment of the present invention will now be described, by way of example only, with reference to the accompanying drawings in which:-Figure 1 is a front view of a window assembly according to an embodiment of the present invention from its opening side; Figure 2 is a front view of the window assembly of Figure 1 from its closing side; Figure 3 is a sectional view on line A-A of Figure 2; Figure 4 is a longitudinal sectional view through the window assembly of Figure 1; Figure 5 is an exploded view of the assembly of Figure 4; Figure 6 is a transverse sectional view of the window assembly of Figure 1; Figure 7 is an exploded view of the assembly of Figure 6; Figure 8 is a transverse sectional view of the central region of the window assembly of Figure 1; and Figure 9 is an exploded view of the assembly of Figure 8.
DESCRIPTION OF THE PREFERRED EMBODIMENT
As illustrated in Figures 1 to 3, a casement window assembly in accordance with an embodiment of the present invention comprises a pair of outwardly openable windows 2,4, each window 2,4 being hingedly mounted in a frame 6 having a pair of rectangular window openings separate by a central mullion 8. Hinges are typically mounted on a peripheral outer side of each window sash, between the window sash and an inner face of the frame, and thus are not visible in the drawings. The opening and closing of each window 2,4 is achieved by operation of a respective handle 10.
Each window 2,4 comprises a rectangular sash frame formed from four elongate sash frame members, respectively defining a sash cill 12, a sash head 14 and a pair of sash stiles 16,18. As can be seen from Figure 4 to 8, each of sash frame members comprises a rebated profile defining a flange 20 on an opening side of the window.
An inner resilient seal 22 is mounted on an inner corner of each sash frame section on the closing side of the window, while an outer resilient seal 24 is mounted on a corner of the flange 20 of each sash frame section on an inner side of the flange.
Each of the inner and outer resilient seals 22,24 comprise a square section strip formed from a suitable elastomeric material. The inner and outer resilient seals 22,24 are retained in position by means of a respective barbed retaining portion 25 extending from one edge of each seal 22,24 to be received within a respective receiving channel within the respective sash frame section.
The inner and outer resilient seals 22,24 are located within cut outs in the respective corner regions of each sash frame section, the seals being dimensioned such that their outermost sides are substantially contiguous with the adjacent faces of the respective sash frame section.
The window frame 6 is formed from a plurality of elongate window frame members, respectively defining a window head 26, a window cill 28, a pair of window stiles 30,32 and a central window mullion 8.
Each window frame member 26,28,30,32,8 comprises a rebated profile adapted to receive a side of a respective sash frame.
Each frame member 26,28,30,32,8, in cross section, comprises a rear face 34 on a closing side of the window assembly, a second face 36 extending orthogonally from the rear face 34, a third face 38 extending from an inner edge of said second face 36 towards an outer side of the window opening, an inner face 40 extending from the third face, normal to the rear face 34, and a front face 42 on an opening side of the window extending parallel to the rear face 34, the third and inner faces 38,40 defining a rebate for receiving the window sash.
First and second bevelled shoulders 44,46 are provided on each window frame member facing an opening side of the window, the first and second bevelled shoulders 44,46 being arranged to abut and form sealing contact with the inner and outer resilient seals 22,24 of a respective one of the sash frame members when the windows are closed.
The first bevelled shoulder 44 comprises a portion of said third face 38 of the respective frame member while the second bevelled shoulder 46 comprises a portion of said inner face 40 thereof.
As can be seen from the drawings, an outer portion 48 of each window frame member extending from the respective second bevelled shoulder 46 towards the opening side of the window extends at an obtuse angle to the respective front face 42 to provide clearance between such portion and an outer side of a flange 20 of the respective sash frame member when the window is closed.
Preferably each bevelled shoulder 44,46 extends at 45° to the outer faces of the window frame.
The window and sash frame members may be formed from wood, or may comprise extrusions formed from plastic or metal or any other suitable material.
By providing bevelled shoulders on the window frame engaging resilient seals on corner regions of the window sash, the problems associated with prior art sealing arrangements, in particular drafts due to misalignment of the window in the frame or misadjustment of the locking means, are alleviated.
The bevelled mating faces provide enhanced sealing between the sash and the frame of the window and serve to centralise the sash in the frame, providing an enhanced seal. The sealing action of the resilient seals against the bevelled shoulders does not solely rely on the locking mechanism of the window to create a seal. The angle of the bevelled mating surfaces creates a compression force against the seal in a direction having components both perpendicular to the plane of the window frame and also in the plane of the window frame, outwardly towards the frame members.
While the embodiment above describes the application of the present invention to a casement window, the present invention can be equally applied to a door or any other hinged closure.
The invention is not limited to the embodiment(s) described herein but can be amended or modified without departing from the scope of the present invention.

Claims (12)

  1. Claims 1. A casement window or door assembly comprising a frame within which a wing of the window or door is hingedly mounted for pivotal movement between open and closed positions, the frame having at least one bevelled shoulder facing an opening side of the window assembly against which a respective resilient seal provided on the wing abuts when the wing is in its closed position.
  2. 2. An assembly as claimed in claim 1, wherein the at least one shoulder extends at an acute angle with respect to a plane defined by the frame.
  3. 3. An assembly as claimed in claim 2, wherein the at least one shoulder extends at 45° to a plane defined by the frame.
  4. 4. An assembly as claimed in any preceding claim, wherein said resilient seal is provided on a corner of the wing.
  5. 5. An assembly as claimed in any preceding claim wherein said at least one bevelled shoulder extends around the circumference of the frame.
  6. 6. An assembly as claimed in any preceding claim, wherein said frame is constructed from elongate frame members to define a rectangular opening, wherein each frame member has a front wall on an opening side of the window assembly and a rear wall on a closing side of the window assembly, said at least one bevelled shoulder being defined between said front and rear walls.
  7. 7. An assembly as claimed in any preceding claim, wherein the wing includes a flange located on the opening side of the wing, a first resilient seal being provided on a corner on said flange facing the frame, said first resilient seal engaging a first bevelled shoulder provided on the frame adjacent an opening side of the assembly, a second resilient seal being provided on a corner of the frame on a closing side of the wing, said second resilient seal engaging a second bevelled shoulder provided on the frame adjacent a closing side of the assembly.
  8. 8. An assembly as claimed in claim 7, wherein each frame member, in cross section, comprises a rear face on a closing side of the window assembly, a second face extending inwardly from the rear face, a third face extending from an inner edge of said second face towards the outside of the window frame, an inner face extending from the third face] normal to the rear face, and a front face on an opening side of the window extending parallel to the rear face, the third and inner faces defining a rebate for receiving the window sash.
  9. 9. An assembly as claimed in claim 8, wherein the first bevelled shoulder is located at or adjacent a first side of the inner face adjacent the rear face and the second bevelled shoulder is located at or adjacent a second side of the inner face adjacent the front face.
  10. 10. An assembly as claimed in claim 8 or claim 9, wherein the first bevelled shoulder comprises a portion of the inner face while the second bevelled shoulder comprises a portion of the third face.
  11. 11. An assembly as claimed in any of claims 8 to 10, wherein a further portion of each window frame member extending from the respective second bevelled shoulder towards the opening side of the window extends at an obtuse angle to the front face to provide clearance between such portion and an outer side of a flange of the respective sash frame member when the window is closed.
  12. 12. A casement window or door assembly substantially as herein described with reference to the accompanying drawings.Amended claims have been filed as follows: Claims 1. A casement window or door assembly comprising a frame within which a wing of the window or door is hingedly mounted for pivotal movement between open and closed positions, the frame having first and second bevelled shoulders facing an opening side of the window assembly against which respective resilient seals provided on the wing abuts when the wing is in its closed position, wherein the wing includes a flange located on the opening side of the wing, a first resilient seal being provided on a corner on said flange facing the frame, said first resilient seal engaging the first bevelled shoulder provided on the frame adjacent an opening side of the assembly, a second resilient seal being provided on a corner of the frame on a closing side of the wing, said second resilient seal engaging the second bevelled shoulder provided on the frame adjacent a closing side of the assembly.2. An assembly as claimed in claim 1, wherein the first and second shoulders extends at an acute angle with respect to a plane defined by the frame. (43. An assembly as claimed in claim 2, wherein the first and second shoulders Q) extend at 45° to a plane defined by the frame.4. An assembly as claimed in any preceding claim wherein said first and second bevelled shoulders extend around the circumference of the frame.5. An assembly as claimed in any preceding claim, wherein said frame is constructed from elongate frame members to define a rectangular opening, wherein each frame member has a front wall on an opening side of the window assembly and a rear wall on a closing side of the window assembly, said first and second bevelled shoulders being defined between said front and rear walls.6. An assembly as claimed in any preceding claim, wherein each frame member, in cross section, comprises a rear face on a closing side of the window assembly, a second face extending inwardly from the rear face, a third face extending from an inner edge of said second face towards the outside of the window frame, an inner face extending from the third face, normal to the rear face, and a front face on an opening side of the window extending parallel to the rear face, the third and inner faces defining a rebate for receiving the window sash.7. An assembly as claimed in claim 6, wherein the first bevelled shoulder is located at or adjacent a first side of the inner face adjacent the rear face and the second bevelled shoulder is located at or adjacent a second side of the inner face adjacent the front face.8. An assembly as claimed in claim 6 or claim 7, wherein the first bevelled shoulder comprises a portion of the inner face while the second bevelled shoulder comprises a portion of the third face.9. An assembly as claimed in any of claims 6 to 8, wherein a further portion of each window frame member extending from the respective second bevelled shoulder towards the opening side of the window extends at an obtuse angle to the front face to provide clearance between such portion and an outer side of a flange of the respective sash frame member when the window is closed. r10. A casement window or door assembly substantially as herein described with reference to the accompanying drawings.
GB1402605.8A 2014-02-14 2014-02-14 Casement window or door assembly Expired - Fee Related GB2517810B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1402605.8A GB2517810B (en) 2014-02-14 2014-02-14 Casement window or door assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1402605.8A GB2517810B (en) 2014-02-14 2014-02-14 Casement window or door assembly

Publications (3)

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GB201402605D0 GB201402605D0 (en) 2014-04-02
GB2517810A true GB2517810A (en) 2015-03-04
GB2517810B GB2517810B (en) 2015-09-16

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104763291A (en) * 2015-04-03 2015-07-08 浙江瑞明节能科技股份有限公司 Wood antique door with hidden type hinges
CN104763287A (en) * 2015-04-03 2015-07-08 浙江瑞明节能科技股份有限公司 Wood outward opening door and window system
CN104775717A (en) * 2015-04-03 2015-07-15 浙江瑞明节能科技股份有限公司 Aluminium alloy-veneer composite lifting or sliding door or window system
CN104775711A (en) * 2015-04-03 2015-07-15 浙江瑞明节能科技股份有限公司 Aluminium-clad wood outward-opening door or window system
CN104832055A (en) * 2015-05-22 2015-08-12 浙江瑞明节能科技股份有限公司 Aluminum alloy sill-free door and window system
CN104895451A (en) * 2015-04-03 2015-09-09 浙江瑞明节能科技股份有限公司 A pure wood antique door and window
CN107269163A (en) * 2017-04-27 2017-10-20 上海克络蒂材料科技发展有限公司 A kind of polyurethane Concealed frame window body structure

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB513553A (en) * 1938-04-13 1939-10-16 Harry Charles Stebbens Improvements in or relating to doors, casement windows and like closures, rendered impervious to noxious and other gases
DE1784468A1 (en) * 1962-02-02 1972-01-05 Brunner Friedrich J K Rainwater drainage device with a double pane window
DE2364000A1 (en) * 1973-12-21 1975-06-26 Goetz Metallbau Gmbh Metal and plastic window frames - with at least two parts consisting of metal profiles and cast polyurethane foam
SU1025851A1 (en) * 1982-01-21 1983-06-30 Московский научно-исследовательский и проектный институт типового и экспериментального проектирования Glazing unit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB513553A (en) * 1938-04-13 1939-10-16 Harry Charles Stebbens Improvements in or relating to doors, casement windows and like closures, rendered impervious to noxious and other gases
DE1784468A1 (en) * 1962-02-02 1972-01-05 Brunner Friedrich J K Rainwater drainage device with a double pane window
DE2364000A1 (en) * 1973-12-21 1975-06-26 Goetz Metallbau Gmbh Metal and plastic window frames - with at least two parts consisting of metal profiles and cast polyurethane foam
SU1025851A1 (en) * 1982-01-21 1983-06-30 Московский научно-исследовательский и проектный институт типового и экспериментального проектирования Glazing unit

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104763291A (en) * 2015-04-03 2015-07-08 浙江瑞明节能科技股份有限公司 Wood antique door with hidden type hinges
CN104763287A (en) * 2015-04-03 2015-07-08 浙江瑞明节能科技股份有限公司 Wood outward opening door and window system
CN104775717A (en) * 2015-04-03 2015-07-15 浙江瑞明节能科技股份有限公司 Aluminium alloy-veneer composite lifting or sliding door or window system
CN104775711A (en) * 2015-04-03 2015-07-15 浙江瑞明节能科技股份有限公司 Aluminium-clad wood outward-opening door or window system
CN104895451A (en) * 2015-04-03 2015-09-09 浙江瑞明节能科技股份有限公司 A pure wood antique door and window
CN104832055A (en) * 2015-05-22 2015-08-12 浙江瑞明节能科技股份有限公司 Aluminum alloy sill-free door and window system
CN107269163A (en) * 2017-04-27 2017-10-20 上海克络蒂材料科技发展有限公司 A kind of polyurethane Concealed frame window body structure

Also Published As

Publication number Publication date
GB2517810B (en) 2015-09-16
GB201402605D0 (en) 2014-04-02

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PCNP Patent ceased through non-payment of renewal fee

Effective date: 20190214