EP0055882B1 - Mécanismes de serrure de porte pour récipients de sécurité - Google Patents

Mécanismes de serrure de porte pour récipients de sécurité Download PDF

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Publication number
EP0055882B1
EP0055882B1 EP81201407A EP81201407A EP0055882B1 EP 0055882 B1 EP0055882 B1 EP 0055882B1 EP 81201407 A EP81201407 A EP 81201407A EP 81201407 A EP81201407 A EP 81201407A EP 0055882 B1 EP0055882 B1 EP 0055882B1
Authority
EP
European Patent Office
Prior art keywords
boltwork
locking mechanism
lock
door
mechanism according
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
Application number
EP81201407A
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German (de)
English (en)
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EP0055882A3 (en
EP0055882A2 (fr
Inventor
Anton Johan Jacot
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.)
Chubb Lips Nederland BV
Original Assignee
Chubb Lips Nederland BV
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Publication date
Application filed by Chubb Lips Nederland BV filed Critical Chubb Lips Nederland BV
Publication of EP0055882A2 publication Critical patent/EP0055882A2/fr
Publication of EP0055882A3 publication Critical patent/EP0055882A3/en
Application granted granted Critical
Publication of EP0055882B1 publication Critical patent/EP0055882B1/fr
Expired legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00Locks or fastenings for special use
    • E05B65/0075Locks or fastenings for special use for safes, strongrooms, vaults, fire-resisting cabinets or the like

Definitions

  • the present invention relates to locking mechanisms for the doors of safes, vaults, strong- rooms and the like security enclosures.
  • the door of a safe or the like enclosure prefferably be locked by means of bolts thrown from the door into engagement with the surrounding frame, for which purpose there is provided an externally-accessible handle or the like control member which drives the boltwork through a mechanical transmission mounted within the door, the same mechanism, of course, being used to withdraw the bolts when the door is to be opened.
  • This boltwork is in turn locked in its thrown condition by the operation of one or more locks which may, for example, throw bolts into engagement with portions of the main boltwork to resist the subsequent withdrawal of the main bolts.
  • the invention seeks to provide an improved boltwork isolating arrangement in a door locking mechanism generally as described above, and which in particular can achieve reliably this disengaging function with a minimum of moving parts and a minimum space requirement.
  • a locking mechanism for the door of a security enclosure which includes: boltwork mounted within the door; a control member accessible from outside the door; a mechanical transmission for coupling said control member to the boltwork for throwing and withdrawing the same; one or more locks mounted within the door for selectively locking the boltwork in its thrown condition; and means mounted within the door for selectively disengaging the coupling of said control member to the boltwork when in its thrown condition;
  • the mechanical transmission includes a pair of coaxial rotary members, a first of which is caused to rotate in either sense by corresponding movement of said control member and the second of which is adapted to engage the first within the door in order to transmit movement of the control member to the boltwork; and the disengaging means are operable to relatively displace said pair of rotary members in the axial sense thereby to disengage the coupling between them.
  • the engagement of the two rotary members may be established by means of a non-circular portion of one of the members entering a complementary non-circular recess in the other, so as to provide both for the transmission of rotary motion between the two members and for the required relative axial motion on disengagement.
  • one of the pair of rotary members has a face inclined to the axis of those members and the member with the inclined face is displaced axially relative to the other member when the disengaging means are operated, by virtue of the camming action of an operating member thrust against said inclined face, preferably in a radial direction relative to said axis.
  • the disengaging means are operatively associated with a said lock for selectively locking the boltwork in its thrown condition, whereby operation of the lock acts also to disengage the coupling between the pair of rotary members as aforesaid.
  • the aforesaid operating member may comprise the bolt of a lock which serves to lock the boltwork by its engagement with part of the said transmission.
  • the locks are preferably arranged on opposite sides of the said axis and each has a bolt engageable with a respective said inclined face.
  • the disengaging means could be embodied e.g. as an independent key or combination operated mechanism, separate from any such lock, if desired.
  • the aforesaid second rotary member which is displaced to effect the required disengagement, and this member may be borne with limited freedom for axial motion in a complementary slot in the next succeeding member of the transmission such that rotation of the second rotary member is transmitted into rotation of said succeeding member.
  • This succeeding member may constitute the part of the transmission with which the lock bolt(s) engage to lock the boltwork in an arrangement as indicated in the preceding paragraph.
  • the invention is furthermore concerned with improving the security of the boltwork itself in a safe door or the like.
  • bolts which are thrown from the door edges into engagement with the surrounding frame are well supported over an appreciable axial length with the door, in order to resist attempts at twisting the bolts in their mountings, by use of explosives or jacks for example; this is particularly so in the case of bolts thrown from the door edges which are parallel to the hinge line - i.e. from the vertical (side) door edges. If such support for the bolts is to be achieved it follows that the bolts will occupy at least a substantial proportion of the width of the door, if not the entire width, when withdrawn.
  • the illustrated locking and isolating unit A includes a mounting block 1 which is secured within a steel pan 2 on the inside face of the safe door.
  • Two locks 3 and 4 are mounted to the block 1, in the illustrated example lock 3 being a combination lock and lock 4 being a keylock, although other permutations of lock type are possible.
  • the boltwork of the door is operated by turning an external handle (not shown) mounted on the end of a shaft 5, it being necessary to establish a driving connection between the shaft 5 and a coaxial thrower 6 borne by the block 1 if the turning of the handle is to be effective to throw or withdraw the boltwork. Movement of the thrower 6 is transmitted to the boltwork through four drive rods 7-10 pinned to the thrower (of which three are seen in Figure 1), as will be more fully described hereafter.
  • the thrower 6 has a longitudinal slot 11 within which is borne a drive element 12 of rectangular cross- section.
  • This drive element is capable of axial movement relative to the thrower within limits set by a cross-pin 13 held by the thrower and extending through a slot 14 in the element 12.
  • the drive element is biased towards one of its limiting positions by means of a compression spring 15 captive in the thrower, and when the element 12 is free to move under the bias of the spring it can project from the thrower to engage in a rectangular recess 16 in the adjacent end of the shaft 5; (in Figure 1 the shaft 5 is shown rotated through 90° from the position in which it can engage with the element 12).
  • each lock has a bolt 17, 18 with a tapered nose which, when the bolt is thrown, extends through the block 2 and into a respective radial aperture 19, 20 in the thrower 6, where the nose engages a respective inclined surface 21, 22 on the drive element 12 to withdraw that element from the shaft 5 by a camming action, against the bias of the spring 15.
  • throwing either of the lock bolts 17 or 18 will achieve this disengagement, although in point of fact the inclined surface 21 of the element 12 which cooperates with the combination lock bolt 17 is undercut slightly as compared with the other inclined surface 22, so that when both lock bolts have been thrown the force of the spring 15 is met by the keylock bolt 18 only and the combination lock bolt 17 is not loaded.
  • the lock bolts 17 and 18 By their entry into the apertures 19 and 20 the bolts 17 and 18 also, of course, interlock the thrower 6 to resist any subsequent attempt at forced retraction of the boltwork. Furthermore, the lock bolts have lateral extensions 23, 24 which in this position block withdrawing movement of rods 25 and 26 carried with the top and bottom boltstraps of the main boltwork, as will be more fully described hereafter. Arranging the locks as shown in the Figures, with their bolts facing each other across the thrower, assists not only in the provision of a very compact unit but also in resisting attempts to overcome the locking mechanism by knocking in the lock bolts.
  • a mechanism operated by the combination lock 3, for blocking access to the keyhole 27 of the keylock 4 in all conditions except when the combination lock is released.
  • This mechanism comprises a plate 28 which can be slid relative to the keylock between two positions, in one of which an aperture 29 in the plate ( Figure 2) registers with the keyhole 27 to provide access for the key and in the other of which (as illustrated) the aperture 29 is withdrawn from registry with the keyhole.
  • the plate 28 is connected via a toggle lever 30 and slide 31 to a bar 32 which moves together with the bolt assembly of the combination lock 3 to effect the required movement of the plate. It is also preferred to block the whole of the key-entrance 33 (Figure 1) which extends through the safe door, whenever the door is closed and locked.
  • a profiled steel section (not shown) is inserted into the entrance 33 and through the plate aperture 29 into the keyhole, and the combination lock 5 is then thrown to slide the plate 28 so that a narrow extension 34 of the plate aperture 29 moves over a waisted portion at the end of the steel section to retain it in place.
  • the thrower 6 has a third radial aperture 35.
  • the purpose of this is to enable the keylock 4 to be re- thrown after the main boltwork has been withdrawn and the door has been opened, in withdrawing the main boltwork the thrower 6 having been rotated into the position in which the aperture 35 aligns with the lock bolt 18.
  • This is of value both in enabling the key to be removed from the lock 4 (if the lock is of a key-retaining kind) and in re-locking the thrower to prevent tampering with the throwing mechanism.
  • FIGS. 3 and 4 show the general arrangement of the boltwork within the door.
  • This is a four-way boltwork comprising a pair of bolts 36 and 37 interconnected by a strap 38, thrown from the hinge side of the door; a pair of bolts 39 and 40 interconnected by a strap 41, thrown from the top of the door; a pair of bolts 42 and 43 interconnected by a strap 44, thrown from the opening side of the door; and a pair of bolts 45 and 46 interconnected by a strap 47, thrown from the bottom of the door.
  • the side bolt straps 38 and 44 are linked to the thrower 6 by respective pinned drive rods 7 and 9, and the top and bottom boltstraps 41 and 47 are secured to bars 48 and 49 which in turn are linked to the thrower 6 by respective pinned drive rods 8 and 10.
  • Each one of the bolts is journalled at two positions along its length, one position provided by the side wall of the pan 2 and the other by a respective bearing block 50 welded to the face of the pan.
  • hinge-side and opening-side bolts are arranged in opposed pair 36, 42 and 37, 43 and it will be seen from Figure 3 that in the withdrawn condition these bolt pairs extend across virtually the entire width of the door. It will be appreciated from Figures 3 and 4, together with Figure 5, that this is made possible by mounting the locking and isolating unit A completely within the space between the lines of action of the successive vertically-spaced bolt pairs 36/42 and 37/43.
  • Movement of the bolts from the Figure 3 to Figure 4 position is achieved by appropriate rotation (in the clockwise sense as viewed) of the thrower 6, and it will be further appreciated from Figure 4 that the arrangement maximises the length over which the side bolts 36, 37, 42 and 43 are supported within the door and at the same time permits the bolts to be thrown through a relatively long distance.
  • the hinge-side, top and bottom bolts are thrown a distance of 50 mm while the opening-side bolts 42 and 43 opposite the hinge line are thrown through 80 mm, the increased throw for the latter being achieved by linking the drive rod 9 to the thrower 6 at a greater radius from the axis of rotation X of the thrower than the other drive rods 7, 8 and 10.
  • the relative angular positions at which the drive rods 7-10 are linked to the thrower 6 are so selected that during the initial stage of throwing movement the boltstraps 38 and 44 move at a higher linear rate than the boltstraps 41 and 47 to make way for the bars 51 and 52, and conversely during the initial stage of withdrawing movement the boltstraps 41 and 47 move at a higher linear rate than do the straps 38 and 44.
  • this locking mechanism can readily be adapted for doors of sizes and proportions which require a greater number of vertical-edge bolts.
  • the boltstraps 38 and 44 are extended in length (upwards and/or downwards relative to the position of the locking/isolating unit A) to carry the required number of bolts, and the bars 48, 49 are correspondingly extended between their points of connection to the drive rods 8, 10 and boltstraps 41, 47, to carry the requisite number of abutment bars 51, 52 for each opposed pair of side bolts.

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  • Lock And Its Accessories (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Claims (16)

1. Mécanisme de verrouillage pour la porte d'une enceinte de sûreté, comportant une tringlerie de fermeture (36, 37, 39, 40, 42, 43, 45, 46) montée à l'intérieur de la porte; un organe d'actionnement accessible de l'extérieur de cette porte; une transmission mécanique (5, 12, 6, 7-10) destinée à relier cet organe d'actionnement à cette tringlerie de manière à faire avancer et reculer celle-ci; une ou plusieurs serrures (3,4) montées dans la porte et destinées à verrouiller à volonté ladite tringlerie dans sa position d'avance, et des éléments (17, 18) montés dans la porte et destinés à supprimer à volonté la liaison de l'organe d'actionnement avec la tringlerie quand celle-ci occupe sa position d'avance mécanique, caractérisé en ce que la transmission mécanique comporte deux organes rotatifs (5, 12) coaxiaux, dont le premier (5) est entraîné en rotation dans l'un ou l'autre sens par un déplacement correspondant de l'organe d'actionnement et dont le second (12) est destiné à venir en prise avec le premier à l'intérieur de la porte afin de transmettre le mouvement de cet organe d'actionnement à la tringlerie de fermeture; et les éléments de libération (17, 18) peuvent être actionnés de façon à déplacer relativement l'un à l'autre ces deux organes rotatifs (5, 12) dans le sens axial, en les désolidarisant.
2. Mécanisme de verrouillage selon la revendication 1, caractérisé en ce que les deux organes rotatifs (5, 12) sont mis en prise au moyen d'une partie non circulaire de l'un (12) de ces organes, pénétrant dans un évidement non circulaire complémentaire (16) de l'autre organe (5).
3. Mécanisme de verrouillage selon la revendication 1 ou la revendication 2, caractérisé en ce que l'un (12) des deux organes rotatifs présente une surface (21, 22) inclinée sur l'axe (X) de ces organes et cet organe (12) à surface inclinée est déplacé axialement par rapport à l'autre (5) lorsque les éléments de libération sont actionnés, grâce à l'action de came exercée par la poussée d'un organe de manoeuvre contre cette surface inclinée (21, 22).
4. Mécanisme de verrouillage selon la revendication 3, caractérisé en ce que l'organe de manoeuvre (17,18) est poussé dans le sens radial par rapport à l'axe (X).
5. Mécanisme de verrouillage selon l'une quelconque des revendications précédentes, caractérisé en ce que les organes de libération (17, 18) coopèrent avec la serrure (3, 4) de façon que le mouvement de cette serrure pour verrouiller la tringlerie de fermeture ait aussi pour effet de supprimer la liaison entre les deux organes rotatifs (5, 12).
6. Mécanisme de verrouillage selon la revendication 5 prise avec la revendication 3 ou la revendication 4, caractérisé en ce que l'organe de manoeuvre est le pène (17, 18) de la serrure (3, 4) qui sert à verrouiller la tringlerie de fermeture en venant en prise avec un élément (6) de la transmission.
7. Mécanisme de verrouillage selon la revendication 5 ou la revendication 6, caractérisé en ce qu'il comporte deux serrures (3, 4), dont chacune peut agir de façon à supprimer la liaison entre les deux organes rotatifs (5, 12).
8. Mécanisme de verrouillage selon les revendications 7 et 6 prises ensemble, caractérisé en ce que les serrures (3, 4) sont disposées de part et d'autre de l'axe (X) et comportent chacune un pène (17, 28) pouvant venir en contact avec la surface inclinée (21, 22) respective.
9. Mécanisme de verrouillage selon l'une quelconque des revendications précédentes, caractérisé en ce que c'est le second organe rotatif (12) qui est déplacé axialement pour supprimer la liaison entre les deux organes (5, 12).
10. Mécanisme de verrouillage selon la revendication 9, caractérisé en ce que le second organe rotatif (12) est logé avec une liberté de déplacement axial limitée dans une encoche complémentaire (11) de l'élément suivant (6) de la transmission, si bien que la rotation de ce second organe (12) fait tourner ce élément suivant (6).
11. Mécanisme de verrouillage selon la revendication 10 prise avec la revendication 6 ou toute autre revendication qui en dépend, caractérisé en ce que l'élément suivant (6) de la transmission constitue l'organe avec lequel le ou chaque pène (17, 18) de serrure vient en prise pour verrouiller la tringlerie de fermeture.
12. Mécanisme de verrouillage selon la revendication 11, caractérisé en ce que le pène de serrure, ou chacun d'eux, peut être introduit dans une ouverture respective (19, 20) de l'élément suivant (6) de la transmission, de façon à verrouiller la tringlerie de fermeture et peut venir en contact, par cette ouverture, avec une surface inclinée (21, 22) du second organe rotatif (12) de manière à déplacer axialement cet organe.
13. Mécanisme de verrouillage selon la revendication 7 prise avec toute revendication en dépendant, caractérisé en ce que l'une des serrures est une serrure à combinaisons (3) et l'autre une serrure à clé (4), la manoeuvre de fermeture de cette serrure à combinaisons (3) pour verrouiller la tringlerie actionnant aussi une mécanisme (32, 31, 30, 28) qui ferme l'accès au trou (27) de clé de la serrure à clé (4).
14. Mécanisme à verrouillage selon l'une quelconque des revendications précédentes, caractérisé en ce que la tringlerie de fermeture comporte des pènes (36 37, 42, 43) écartés les uns des autres, disposés de façon à pouvoir faire saillie des deux bords verticaux de la porte, la ou les serrures (3,4) et les éléments de libération (17,18) étant disposés dans un espace qui se trouve entièrement entre les lignes d'action des pènes successifs dans le sens vertical (36/42, 37/43).
15. Mécanisme de verrouillage selon la revendication 14, caractérisé en ce que les pènes (36/42, 37/43) ont une longueur telle que, lorsqu'ils sont reculés, ils occupent pratiquement toute la largeur de la porte.
16. Mécanisme de verrouillage selon l'une quelconque des revendications précédentes, caractérisé en ce que la tringlerie de fermeture comporte des pènes (39, 40, 45, 46) disposés de manière à faire saillie des bords supérieur et inférieur de la porte, les barrettes porte-pènes (41, 48, 47, 49) portant des tiges respectives (25, 26) qui subissent une translation lorsque les pènes respectifs avancent et reculent, et l'une au moins des serrures (3, 4) comporte(nt) un pène (17, 18) qui, lorsqu'il est avancé, empêche ces tiges de reculer sous un effort de forcement.
EP81201407A 1981-01-07 1981-12-31 Mécanismes de serrure de porte pour récipients de sécurité Expired EP0055882B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AU7153/81 1981-01-07
AUPE715381 1981-01-07
GB8111763 1981-04-14
GB8111763 1981-04-14

Publications (3)

Publication Number Publication Date
EP0055882A2 EP0055882A2 (fr) 1982-07-14
EP0055882A3 EP0055882A3 (en) 1983-01-26
EP0055882B1 true EP0055882B1 (fr) 1985-06-05

Family

ID=25642443

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81201407A Expired EP0055882B1 (fr) 1981-01-07 1981-12-31 Mécanismes de serrure de porte pour récipients de sécurité

Country Status (6)

Country Link
EP (1) EP0055882B1 (fr)
BR (1) BR8200035A (fr)
DE (1) DE3170904D1 (fr)
ES (1) ES508529A0 (fr)
IE (1) IE52237B1 (fr)
PT (1) PT74223B (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0018712A1 (fr) * 1979-03-23 1980-11-12 Chubb & Son's Lock and Safe Company Limited Mécanisme de verrou, et enceinte de sécurité munie d'un tel mécanisme

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1918411A (en) * 1928-08-16 1933-07-18 Ferro Stamping & Mfg Company Automobile door handle

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0018712A1 (fr) * 1979-03-23 1980-11-12 Chubb & Son's Lock and Safe Company Limited Mécanisme de verrou, et enceinte de sécurité munie d'un tel mécanisme

Also Published As

Publication number Publication date
BR8200035A (pt) 1982-10-26
DE3170904D1 (en) 1985-07-11
IE820016L (en) 1982-07-07
IE52237B1 (en) 1987-08-19
ES8304253A1 (es) 1983-02-16
ES508529A0 (es) 1983-02-16
EP0055882A3 (en) 1983-01-26
EP0055882A2 (fr) 1982-07-14
PT74223A (en) 1982-01-01
PT74223B (en) 1983-07-21

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