EP0851088A1 - Système de protection - Google Patents

Système de protection Download PDF

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Publication number
EP0851088A1
EP0851088A1 EP97309961A EP97309961A EP0851088A1 EP 0851088 A1 EP0851088 A1 EP 0851088A1 EP 97309961 A EP97309961 A EP 97309961A EP 97309961 A EP97309961 A EP 97309961A EP 0851088 A1 EP0851088 A1 EP 0851088A1
Authority
EP
European Patent Office
Prior art keywords
strip
movable element
frame
leg
securing means
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP97309961A
Other languages
German (de)
English (en)
Inventor
Alan Rodger
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0851088A1 publication Critical patent/EP0851088A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
    • E06B5/11—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes against burglary
    • E06B5/113—Arrangements at the edges of the wings, e.g. with door guards to prevent the insertion of prying tools

Definitions

  • the present invention relates to a guard system for resisting forced opening of a movable element mounted in a frame.
  • the movable element for example a door or a window, will typically be hinged or slidably mounted in a frame.
  • the frame In the case of a door the frame usually extends around three sides, in the case of a window generally the frame surrounds the element. Generally such elements are lockable in their closed positions.
  • guard systems are known in which security strips are attached to the frame, the movable element or both.
  • the strips In the case of a door, for example, the strips extend along the full height of the door so as to obstruct the opening and thus prevent insertion of a crowbar.
  • a problem with such a system is that the strips must somehow be attached and the means for attachment may itself be vulnerable to attack.
  • a guard system for resisting forced opening of a movable element from its outer side, the movable element being mounted in a frame and movable between open and closed positions, the guard system comprising first and second strips each having an attachment part and a shield part, wherein the attachment part of the first strip has a first leg extending transversely to the plane of the frame and secured by securing means to the frame, the attachment part of the second strip is secured by securing means to the moveable element, and the shield parts of the first and second strips overlap to prevent access to the securing means attaching the second and first strips when the movable element is in the closed position, but permit access to the securing means when the movable element is in the open position, characterised in that: the attachment part of the first strip has a second leg bent back from the first leg against the outer surface of the frame.
  • the shield part of the first strip may extend outwardly of the frame from the second leg of the attachment strip.
  • outwardly is meant a direction out of the plane of the frame towards the side of the movable element and frame from which attack is to be resisted.
  • the outward extension of the second part of the first strip may extend by a predetermined distance beyond the outward extension of the second part of the second strip, so as to allow expansion and contraction of the movable element.
  • the movable element and/or the frame may be made of plastics and the securing elements may include screws, nails or rivets.
  • the movable element may be a door or a window.
  • a guard system for resisting forced opening of a movable element, the movable element being mounted in a frame and movable between open and closed positions
  • the guard system comprising first and second strips each having an attachment part and a shield part, wherein the attachment part of the first strip is secured by securing means to the frame, the attachment part of the second strip is secured by securing means to the moveable element, and the shield parts of the first and second strips cooperate to prevent access to the securing means when the movable element is in the closed position, but permit access to the securing means when the movable element is in the open position, characterised in that: the attachment part of the second strip extends around a corner of the movable element and is secured to the movable element by securing means on both sides of the corner of the movable element.
  • Any attempt to lever out the second strip is defeated by the mutual interaction of the strips and the two securing means on either side of the corner.
  • the strips may be said to interlock. Any attempt to lever out the first strip only pushes the end of its second part against that of the second strip, pushing that towards the frame and making penetration even harder. Similarly, attempts to lever the two strips apart cause the end of the second strip to be pushed towards the frame.
  • the above two aspects of the invention may be combined into a single embodiment.
  • the invention also extends to the individual first and second strips for use in the system.
  • the invention may be applied to door frames made of plastic and in particular of PVC.
  • Figure 1 shows a vertical cross-section of an embodiment of the invention.
  • a door or it could equally well be a window, fits within a PVC frame 2.
  • the door 1 is hinged at the far end (not shown) and is openable in the direction of the arrow 3. It is optionally fitted with glazing 27.
  • a first strip 4 is bent into five sections or legs and is attached to the lip 5 of the frame 2 by securing means being constituted by a line along the length of the strip of screws 6 through the first leg 7. It will be noticed that the end surface of the lip 5, to which the first strip 4 is attached, is at an oblique angle and this is a typical feature of a PVC door frame. The surface of the first leg however, remains perpendicular to the frame and the strip 4 is stably attached because the second leg 8 bends back to meet an outer surface 25 of the frame, this being on the side from which an attempt to force entry may be made. It is against the reaction of this outer surface 25 that the screws 6 must be tightened. These first two legs 7 and 8 form the first part, or attachment part, of the first strip.
  • the lip 5 is generally not much wider than the width necessary to accommodate the screws 6.
  • the first strip 4 has a third leg 9 which extends outwardly away from the frame, that is to say in a direction perpendicular to the plane of the frame towards the side from which forced entry is to be resisted, a fourth leg 10 which doubles back parallel to the outer surface 25 of the frame 2 and a fifth leg 11 which folds back towards the door 1 but stops before it reaches as far as the screw 6. In practice it should be sufficiently clear of the screws 6 to allow easy screwdriver access.
  • the third 9, fourth 10 and fifth 11 legs form the second, or shield, part of the first strip.
  • a second strip 12 is attached to the door 1.
  • the strip consists of three legs 13, 14 and 15.
  • the first leg 13 is attached to the end of the door facing away from the hinges and towards the frame. It is attached by means of a securing means in the form of a line of screws 16. The screws are inaccessible when the door is closed because they are obstructed by the frame but are fully accessible when the door 1 is open.
  • the second leg 14 of the second strip 12 is relatively short. It extends from the corner of the door along its outer surface. When the door is closed the second leg 14 is obscured by the first strip 4. This leg is attached to the door 1 by means of securing means in the form of a further line of screws 17.
  • the first two legs 13 and 14 form the first part, or attachment part, of the second strip which extends around the corner of the door.
  • the screws of the first leg 16 and of the second leg 17 are offset from one another.
  • the third leg 15 of the second strip 4 extends outwards, perpendicularly to the plane of the door, to obscure the screws 6. Then it interlocks with the first strip 4 by extending a significant distance behind the fifth leg 11. However it does not extend over the full length of the fifth leg 11. Room is left to allow for expansion of the door which in the case of PVC can be considerable, certainly relative to the width of the lip 5 of the door frame.
  • the third leg 15 forms the second, or shield, part of the second strip 12.
  • Figure 2 is the same as that of Figure 1 except that the third and fourth legs of the first strip have been combined into a single diagonal leg 18 joining the ends of the second and fifth legs directly, the relative positions of the second and fifth legs remaining unchanged.
  • Figure 3 is identical to that of Figure 1 except that the second leg 14 of the second strip is slightly extended towards the hinge end of the door and the third leg 19 has a subsection 19a which is bent back towards the frame before a further subsection 19b continues outwards to interlock with the first strip 4.
  • Such an arrangement has the advantage of making it more difficult to insert a crowbar between the first 4 and second 12 strips.
  • Figure 4 is identical to that of Figure 1 except that the third leg 15 of the second strip 12 is relatively shorter.
  • the embodiment of Figure 5 is identical to that of Figure 3 except that the third leg 15a of the second strip 12 extends diagonally as a single straight-line section to fit behind the first strip. This has the advantage that it is stronger structurally compared with the embodiment of Figure 3 due to the absence of folds.
  • Figure 6 shows three positions at which an attempt to force the guard might be made, indicated by the arrows 20, 21 and 22.
  • the arrow 20 shows how a lever, perhaps a blade, might be inserted between the first strip 4 and the frame 2.
  • access is not granted to the space between the frame and the first leg 7 of the first strip 4 as this would expose the screw 6.
  • This third leg 15 is forced back against the corner between the first 7 and second 8 legs of the first strip 4 and thus frustrates the attempt to expose the screw 6.
  • An advantage of the system is that it can be applied to a door already damaged by a previous attack. Generally damaged doors have to be replaced and this is often the most expensive item in an insurance claim. However the security strips can be fitted over the damaged door to obscure precisely the parts of the door most likely to have been damaged and to secure the door against future attack.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
EP97309961A 1996-12-12 1997-12-10 Système de protection Withdrawn EP0851088A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9625818 1996-12-12
GBGB9625818.1A GB9625818D0 (en) 1996-12-12 1996-12-12 A guard system

Publications (1)

Publication Number Publication Date
EP0851088A1 true EP0851088A1 (fr) 1998-07-01

Family

ID=10804328

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97309961A Withdrawn EP0851088A1 (fr) 1996-12-12 1997-12-10 Système de protection

Country Status (2)

Country Link
EP (1) EP0851088A1 (fr)
GB (1) GB9625818D0 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2376267A (en) * 2001-06-05 2002-12-11 Cash Bases Ltd Cash storage unit
GB2406360A (en) * 2001-06-19 2005-03-30 Royal Mail Group Plc Post box with inter-engaging security formations
AT500690A1 (de) * 2002-10-22 2006-02-15 Seifert Gmbh Profilanordnung
CN103790496A (zh) * 2012-10-29 2014-05-14 北京日上工贸有限公司 具有多重防撬的防盗门

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2408713A1 (fr) * 1977-09-23 1979-06-08 Bonpunt Jacques Agencement de protection pour portes destine a en ameliorer la resistance a l'effraction
FR2412676A2 (fr) * 1977-04-20 1979-07-20 Renault Alain Perfectionnements aux dispositifs d'articulation a paumelles pour portes
WO1989004907A1 (fr) * 1987-11-24 1989-06-01 Secu-Strip C.V. Dispositif de protection pour fenetre ou porte
DE4441844A1 (de) * 1994-11-24 1996-05-30 Werner Van Gelder Vorrichtung zum Sichern von Türen und Fenstern

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2412676A2 (fr) * 1977-04-20 1979-07-20 Renault Alain Perfectionnements aux dispositifs d'articulation a paumelles pour portes
FR2408713A1 (fr) * 1977-09-23 1979-06-08 Bonpunt Jacques Agencement de protection pour portes destine a en ameliorer la resistance a l'effraction
WO1989004907A1 (fr) * 1987-11-24 1989-06-01 Secu-Strip C.V. Dispositif de protection pour fenetre ou porte
DE4441844A1 (de) * 1994-11-24 1996-05-30 Werner Van Gelder Vorrichtung zum Sichern von Türen und Fenstern

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2376267A (en) * 2001-06-05 2002-12-11 Cash Bases Ltd Cash storage unit
GB2376267B (en) * 2001-06-05 2005-08-03 Cash Bases Ltd Cash storage unit
GB2406360A (en) * 2001-06-19 2005-03-30 Royal Mail Group Plc Post box with inter-engaging security formations
GB2406360B (en) * 2001-06-19 2005-09-21 Royal Mail Group Plc Posting box security device
AT500690A1 (de) * 2002-10-22 2006-02-15 Seifert Gmbh Profilanordnung
AT500690B1 (de) * 2002-10-22 2006-04-15 Seifert Gmbh Profilanordnung
CN103790496A (zh) * 2012-10-29 2014-05-14 北京日上工贸有限公司 具有多重防撬的防盗门
CN103790496B (zh) * 2012-10-29 2015-12-16 北京日上工贸有限公司 具有多重防撬的防盗门

Also Published As

Publication number Publication date
GB9625818D0 (en) 1997-01-29

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