EP3740359B1 - Couteau pour grand sachet - Google Patents

Couteau pour grand sachet Download PDF

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Publication number
EP3740359B1
EP3740359B1 EP19700510.1A EP19700510A EP3740359B1 EP 3740359 B1 EP3740359 B1 EP 3740359B1 EP 19700510 A EP19700510 A EP 19700510A EP 3740359 B1 EP3740359 B1 EP 3740359B1
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EP
European Patent Office
Prior art keywords
big bag
bag knife
knife
front part
handgrip
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.)
Active
Application number
EP19700510.1A
Other languages
German (de)
English (en)
Other versions
EP3740359A1 (fr
Inventor
THOMSEN Kristoffer LINNET
Anders Christiansen
PETERSEN Martin MAJDALL
Martin SØNDERGAARD
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.)
Yara International ASA
Original Assignee
Yara International ASA
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 Yara International ASA filed Critical Yara International ASA
Priority to PL19700510T priority Critical patent/PL3740359T3/pl
Publication of EP3740359A1 publication Critical patent/EP3740359A1/fr
Application granted granted Critical
Publication of EP3740359B1 publication Critical patent/EP3740359B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B5/00—Hand knives with one or more detachable blades
    • B26B5/001—Hand knives with one or more detachable blades with blades being slid out of handle immediately prior to use
    • B26B5/003—Hand knives with one or more detachable blades with blades being slid out of handle immediately prior to use comprising retraction means for the blade or the blade holder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B5/00—Hand knives with one or more detachable blades
    • B26B5/001—Hand knives with one or more detachable blades with blades being slid out of handle immediately prior to use

Definitions

  • the present application relates to a big bag knife.
  • a big bag also called an FIBC (flexible intermediate bulk container), bulk bag or super sack, is an industrial container made of a flexible fabric that is designed for storing and transporting dry, solid products such as fertilizer.
  • FIBC flexible intermediate bulk container
  • a big bag also called an FIBC (flexible intermediate bulk container), bulk bag or super sack
  • FIBC flexible intermediate bulk container
  • bulk bag or super sack is an industrial container made of a flexible fabric that is designed for storing and transporting dry, solid products such as fertilizer.
  • a utility knife has a knife housing and a blade carried by a blade support which can be moved between a safety position wherein the blade is recessed in the housing, inaccessible to the user of the knife, and a cutting position, wherein the blade projects out of the housing, through a housing opening.
  • a big bag knife comprising
  • a big bag knife according to the application as disclosed above, in which the top end of the blade has a hook shape with a sharp end. More in particular, the end of the blade has a gut hook shape with a sharp end.
  • the gut hook shaped end of the blade more in particular is arranged with a sharpened semicircle that is ground in the end of the blade and that allows an easy cutting of the big bag.
  • the blade's sharp end allows it to easily pierce a big bag while its hook-like shape ensures that the blade does not readily fall out of the big bag after it has been pierced.
  • the back part extends around the complete length of the front part in the retracted position of the knife. This allows the big bag knife to be compact such that it is comfortable to carry and to store away.
  • the sliding mechanism comprises a longitudinal slot like opening provided in the back part into which a sliding element provided on the front part is slideably arranged.
  • the back handgrip and the front handgrip are abutting each other when the big bag knife is in its retracted position.
  • the big bag knife comprises a locking mechanism to lock the movement of the front part when the knife is in its retracted and/or in its extended position.
  • the locking mechanism comprises
  • the front part and the back part each comprise a top side and a bottom side, wherein the resilient element is attached to the bottom side, respectively the top side of the front part, and the first and second holes are arranged in the top side, respectively the bottom side of the back part.
  • a button is provided that is connected to the front handgrip and that is arranged to operate the locking mechanism in such a way that the button pushes the resilient element out of the first hole in the retracted position of the big bag knife, respectively out of the second hole in the extended position of the big bag knife.
  • the locking mechanism comprises a pin extending in the back part of the big bag knife and a resilient element attached to the front part of the big bag knife and being designed to slide in view of the pin and to hook behind the pin. This provides in a locking position in the retracted position of the big bag knife, preventing that the big bag knife would move unintentionally out of its retracted position.
  • the pin is more in particular attached to the back handgrip.
  • the resilient element more in particular is provided with a bulge that is designed in view of and hook behind the pin.
  • the resilient element is a bendable leafspring.
  • a friction pad is provided between the back part and the front part. This takes care that the movement of the front part in view of the back part is controllable and there is a certain force necessary to enable movement of the front part versus the back part.
  • the knife has an overall length of approximately 0.6 m in the retracted position thereof and a length of approximately 1.0 m in the extended position thereof.
  • an embodiment of a big bag knife (1) comprises a back part (2) and a front part (3) that partially extends in the back part (2) in a retracted, compact or storage position (see FIG. 1A and FIG. 2A ) as well as in an extended or use position (see FIG. 1B and FIG. 2B ).
  • the back part (2) in the retracted position of the big bag knife (1) as shown in FIG. 1A the back part (2) extends completely around the front part (3).
  • the front part (3) is arranged with a blade (6) at the front thereof.
  • this blade (6) is sheathed by the back part (2) in the retracted position of the big bag knife (1).
  • the front part (3) is arranged with a longitudinal slot like opening (12) which forms part of a sliding mechanism enabling the front part (3) to slide in view of the back part (2), and more in particular in and out of the back part (2) between the retracted (or the compact position) and the extended position (or the use position) of the big bag knife (1).
  • the back part (2) is provided with a back handgrip (4) and the front part (3) is provided with a front handgrip (5).
  • handgrip refers to a handle, particularly a hand sized handle designed to be held or grasped by a hand, particularly to be held or grasped by the palm of a hand, in order to use or manipulate the object comprising the handgrip.
  • the front handgrip (5) moves away from the back handgrip (4), while during the sliding movement of the front part (3) into the back part, the front handgrip (5) moves towards the back handgrip (4).
  • Each of the handgrips (4, 5) are arranged to be gripped by one of the hands of a user of the big bag knife (1), as shown in FIGs.
  • the front handgrip (5) is mounted on the front part (3) in such a way that in the retracted position, the front handgrip (5) abuts against the back handgrip (4).
  • the back part (2) has an outer circumferential wall (2a) extending along a longitudinal direction (X) and having a certain first length (L 1 ).
  • the outer circumferential wall (2a) has an elongated cylindrical shape and more in particular a cylindrical shape with an oval base.
  • the back part (2) further has a back end (21) and a front end (22).
  • the outer circumferential wall (2a) surrounds an inner space (2b).
  • this inner space (2b) is open at the back end (21) thereof in order to allow fertilizer that is in the inner space (2b) to get out of this inner space (2b).
  • the inner space (2b) further comprises a top side (23) and a bottom side (24).
  • a front part (3) is provided that is arranged at least partially inside the back part (2) in the retracted as well as in the extended position of the big bag knife (1), and more in particular that is arranged completely inside the back part (2) in the retracted position thereof.
  • the front part (3) has an outer circumferential wall (3a) extending along the longitudinal direction (X) and having a certain second length (L 2 ).
  • the front part (3) has an elongated cylindrical shape and more in particular with an oval base.
  • the front part (3) has a back end (31) and a front end (32).
  • the outer circumferential wall (3a) surrounds an inner space (3b).
  • the inner space (3b) comprises a top side (33) and a bottom side (34).
  • the first length (L 1 ) equals the second length (L 2 ) including the part of the blade (6) that extends out of the front part (3).
  • the blade (6) that is used to pierce and to cut open a big bag is more in particular mounted at the back end (31) of the front part (3).
  • the blade (6) more in particular has a hook shape with a sharp end, more in particular a gut hook shape with a sharp end.
  • the blade (6) may be flat (or in other words have a narrow width) and in that way is leaving part of the front end (31) of the front part (3) open.
  • the content of the big bag such as fertilizer could enter the inner space (3b) via this open front end (31), which is not desired. Therefore, a plug (30), for instance in aluminum, could be provided to close off the front end (31) of the inner space (3b) of the front part (3) to avoid the content of the big bag to enter the inner space (3b) of the front part (3).
  • the back handgrip (4) is more in particular mounted at the height of the back end (21) of the back part (2), while the front handgrip (5) is mounted in the vicinity of the back end (31) of the front part (3).
  • both the back and the front handgrip (4, 5) have an outer circumferential wall (4a, 5a), in particular having an elongated cylindrical shape, and more in particular a cylindrical shape with an oval base, extending along a longitudinal direction (X) over part of the first length (L 1 ) of the back part (2), respectively the second length (L 2 ) of the front part (3).
  • the back handgrip (4) as well as the front handgrip (5) have an inner side that defines a shape corresponding the shape of the outer circumferential wall (2a) of the back part (2).
  • both handgrips (4, 5) are arranged with transverse extending ribs (5b) that define an elongated cylinder, more in particular a cylinder with an oval base.
  • the back and front handgrip (4, 5) are formed out of two parts, more in particular two similar parts, that can be connected to each other, for instance by a clicking or screwing mechanism.
  • the outer circumferential wall (4b) may be provided with an end part (4c) having a larger diameter then the diameter of the outer circumferential wall (4b).
  • the front handgrip (5) may be provided with an end part (5c) having a larger diameter then the diameter of the outer circumferential wall (5b) to prevent that the other hand of the user could easily slip off of the front handgrip (5) when for instance the user pulls at the front handgrip (5) to move the front part (3) out of the back part (2).
  • the sliding mechanism comprises further to the longitudinal slot like opening (12) a sliding element (11) which is movable back and forth into this longitudinal slot like opening (12).
  • the longitudinal slot like opening (12) extends over at least part of the first length (L1) of the back part (2). More in particular, this longitudinal slot like opening (12) starts inside the front handgrip (5) when the big bag knife (1) is in its retracted position at the height of the end (11a) of the sliding element (11) situated closest to the back end (21) of the back part (2), and ends inside the front handgrip (5) when the big bag knife (1) is in its extended or use position at the height of the end (11b) of the sliding element (11) situated closest to the front end (22) of the back part (2).
  • the longitudinal slot like opening (12) is thus bounded (closed off) at both longitudinal ends thereof and the sliding element (11) has such a form that it cannot move out of the longitudinal slot like opening (12) or in others words, the movement of the sliding element (11) in longitudinal slot like opening (12) is limited by both longitudinal ends (12a, 12b) of the longitudinal slot like opening (12), having as a consequence that also the movement of the front part (3) in view of the back part (2) is limited. This prevents that the front part (3) could be released from the back part (2). More in particular, the longitudinal slot like opening (12) is provided in the bottom side (24) of the back part (2).
  • the sliding element (11) has such a form that it is not able to leave the longitudinal slot like opening (12) when the big bag knife (1) is assembled. More in particular, the sliding element (11) is arranged on or connected to the front part (3). Furthermore, in an embodiment, the sliding element (11) fits in a hole (5c) (see FIGs. 5 , 10 and 17 ) provided in the inside of the front handgrip (5). In an embodiment, the sliding element (11) can be in the form of a strong bent metal wire or an aluminum or plastic beam or cube.
  • a longitudinal groove (10) can be provided that extends along at least part of the second length (L 2 ) of the front part (3). More in particular, the longitudinal groove (10) has an open top end, a closed bottom end and closed longitudinal side ends. More in particular, the groove (10) extends over the full second length (L 2 ) of the front part (3). This groove (10) ensures the strength of the profile of the front part (3).
  • a locking mechanism can be provided that takes care that the movement of the front part (3) in view of the back part (2) is locked in the retracted position, and/or in the extended position.
  • the locking mechanism comprises a resilient element (7) that is arranged inside the space (3b) of the front part (3).
  • This resilient element (7) is at one end provided with a bulge (7a).
  • the other end of the resilient element (7) is designed as an attachment end (7b) to attach the resilient element (7) to the front part (3), more in particular to the bottom side (3b) of the front part (3).
  • the resilient element (7) can be in the form of a bendable leafspring that is more in particular made out of rustfree spring steel.
  • the locking mechanism furthermore comprises
  • the resilient element (7) can also be attached to the top side (33) of the front part (3).
  • the resilient element (7) is attached with its attachment end (7b) to the bottom side (34) of the front part (3), then the first and second hole (8, 9) are arranged in the top side (23) of the back part (2), while when the resilient element (7) is attached with its attachment end (7b) to the top side (33) of the front part (3), then the first and second hole (8, 9) are arranged in the bottom side (24) of the back part (2).
  • the bulge (7a) of the resilient element (7) is situated in the first hole (8) provided in the back part (3) near the back handgrip (4).
  • the bulge (7a) of the resilient element (7) needs to be released out of this first hole (8). This is done by pushing the front handgrip (5) in view of the back handgrip (4) with a sufficient force enabling the bulge (7a) to move out of the first hole (8).
  • the front part (3) is then slid in view of the back part (2) until it reaches its maximum extended position, through which also the big bag knife (1) will be in its extended position. In this extended position, the bulge (7a) will move into the second hole (9).
  • the front handgrip (5) needs to be pulled towards the back handgrip (4) through which the bulge (7a) will move out of the second hole (9) and the front part (3) will move towards the back part (2) until the fully retracted position is reached, in which case the bulge (7a) will move in the first hole (8).
  • This first embodiment ensures that there is a locking position as well in the retracted as in the extended position of the big bag knife (1).
  • a push button (16) can be arranged on the front handgrip (5) that can be used to push the bulge (7a) downwards out of the first hole (8) in its retracted position and out of the second hole (9) in its extended position.
  • a hole (17) is provided into the front handgrip (5) in which the push button (16) is inserted.
  • a resilient element (13) is provided that is attached to the front part (3) of the big bag knife (1). More in particular, the resilient element (13) is mounted on the back end (31) of the front part (3). In an embodiment, the resilient element (13) is arranged with a bulge (13a) that is able to hook below a pin (14).
  • This pin (14) is more in particular attached to the back part (2) of the big bag knife (1). More in particular, the pin (14) is attached to the back handgrip (4) that is mounted on the back part (2). The pin (14) is more in particular located in the vicinity of the back end (21) of the back part (2).
  • the resilient element (13) can be in the form of a bendable leafspring that is more in particular made out of rustfree spring steel.
  • the resilient element (13) could also be arranged such that it hooks over the pin (14) instead of beneath the pin (14).
  • the bulge (13a) would be oriented upwards inside of downwards.
  • all movements of the bulge (13a) would be opposite of the movements as described in the previous paragraph.
  • a friction pad (15) can be provided between the front part (3) and the back part (2).
  • This friction pad more in particular is a pin (15a) around which a spring (15b) is wound.
  • This friction pad (15) extends more in particular in the inner space (3b) of the front part (3) and is on the one hand connected to the outer circumferential wall (3a) of the front part (3) and on the other hand connected to the outer circumferential wall (2a) of the back part (2).
  • This friction pad (15) creates a resistance such that there needs to be a certain force to move the front part (3) in view of the back part (4).
  • the big bag knife (1) has an overall length of approximately 0.6 m in the retracted position thereof and a length of approximately 1.0 m in the extended position thereof.
  • the user When a user wants to use the big bag knife (1) to cut a big bag (not shown on the FIGs), the user places himself / herself at a distance of approximately one meter from the big bag. Then the user takes the back handgrip (4) in one hand and the front handgrip (5) in the other hand. Thereafter, the user pushes on the front handgrip (5) to slide the front part (3) out of the back part (2) until the big bag knife (1) reaches its full length and is accordingly in the extend or use position. To be able to pierce and to cut the underside of a big bag, the tip of the hook shape of the blade (6) needs to be oriented upwards.
  • the user can then pierce the big bag in the underside thereof pull the big bag knife towards himself / herself making an incision in the underside of the big bag, enabling emptying of the content of the big bag. Since the user is at a distance of about 1 meter from the cutting blade (6), the user will be in a safe position not to come into contact with the contents of the big bag and not to hurt him/herself by means of the cutting blade.
  • the user needs to pull at the front handgrip (5) such that the bulge (7a) of the resilient element (7) leaves the second hole (8), then pull the front handgrip (5) towards the back handgrip (4), in that way sliding the front part (3) in the back part (2) until the retracted position is reached, in which position the bulge (7a) of the resilient element (7) enters the first hole (8) again.
  • the big bag knife (1) can then be taken along by the user and stored in a safe way.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Knives (AREA)

Claims (13)

  1. Couteau pour grand sachet (1), comprenant
    une partie arrière (2) et une partie avant (3), chacune comprenant une extrémité arrière (21, 31) et une extrémité avant (22, 32) et chacune ayant une certaine longueur, la partie arrière (2) s'étendant autour d'au moins une partie de la longueur de la partie avant (3),
    une lame (6) située au niveau de l'extrémité avant de la partie avant (3),
    un mécanisme coulissant qui fixe la partie avant (3) à la partie arrière (2) de manière coulissante, et qui permet à la partie avant (3) de coulisser par rapport à la partie arrière (2) entre une position rétractée du couteau (1) dans laquelle la lame (6) est gainée par la partie arrière (2) et est inaccessible à l'utilisateur du couteau (1), et une position déployée du couteau (1) dans laquelle la lame (6) est située à l'extérieur de la partie arrière (2) et permet à l'utilisateur de couper le grand sachet,
    une poignée avant (5) étant montée sur la partie avant (3) à proximité de l'extrémité arrière (31) de celle-ci, la poignée avant (5) étant conçue pour être saisie par une main d'un utilisateur du couteau pour grand sachet (1) et pour faire coulisser la partie avant (3) par rapport à la partie arrière (2) entre la position rétractée et la position déployée du couteau pour grand sachet (1) ;
    une poignée arrière (4) étant montée sur la partie arrière (2) à proximité de l'extrémité arrière (21) de celle-ci, cette poignée arrière (4) étant conçue pour être saisie au moyen de l'autre main de l'utilisateur du couteau pour grand sachet (1) ; caractérisé en ce que
    la partie arrière (2) s'étend autour de toute la longueur de la partie avant (3) dans la position rétractée du couteau pour grand sachet (1), et la partie avant (3) peut coulisser dans et hors de la partie arrière (2) entre la position rétractée et la position déployée du couteau pour grand sachet (1).
  2. Couteau pour grand sachet (1) selon la revendication 1, les poignées avant et arrière (4, 5) étant de la taille d'une main, conçues pour être tenues par une main.
  3. Couteau pour grand sachet (1) selon la revendication 1 ou 2, la lame (6) ayant une extrémité supérieure en forme de crochet avec une extrémité tranchante, plus particulièrement en forme de crochet à boyau avec une extrémité tranchante.
  4. Couteau pour grand sachet (1) selon l'une quelconque des revendications 1 à 3, le mécanisme coulissant comprenant une ouverture longitudinale en forme de fente (12) située dans la partie arrière (2) dans laquelle un élément coulissant (11) situé sur la partie avant (3) est disposé de manière coulissante.
  5. Couteau pour grand sachet (1) selon l'une quelconque des revendications 1 à 4, les poignées arrière et avant (4, 5) venant en butée l'une contre l'autre lorsque le couteau pour grand sachet (1) est dans sa position rétractée.
  6. Couteau pour grand sachet (1) selon l'une quelconque des revendications 1 à 5, le couteau pour grand sachet (1) comprenant un mécanisme de verrouillage pour bloquer le mouvement de la partie avant (3) lorsque le couteau (1) est dans sa position rétractée et/ou dans sa position déployée.
  7. Couteau pour grand sachet (1) selon la revendication 6, le mécanisme de verrouillage comprenant
    un premier trou (8) qui est situé à proximité de l'extrémité arrière (21) de la partie arrière (2) ;
    un second trou (9) qui est situé à proximité de l'extrémité avant (22) de la partie arrière (2) ; et
    un élément élastique (7) qui est fixé à la partie avant (3), qui comprend un renflement (7a) qui est conçu pour s'insérer dans le premier trou (8) dans la position rétractée du couteau pour grand sachet (1) et dans le second trou (9) dans la position déployée du couteau pour grand sachet (1) pour verrouiller le mouvement de la partie avant (3), et qui est conçu pour être plié pour mettre le renflement (7a) hors du premier trou (8) dans le cas où le couteau pour grand sachet (1) doit être mis hors de sa position rétractée, et pour mettre le renflement (7a) hors du second trou (9) dans le cas où le couteau pour grand sachet (1) doit être mis hors de sa position déployée.
  8. Couteau pour grand sachet selon la revendication 7, lorsque le couteau pour grand sachet (1) est dans sa position d'utilisation, la partie avant (3) et la partie arrière (2) comprenant chacune un côté supérieur et un côté inférieur, l'élément élastique (7) étant fixé au côté inférieur, respectivement au côté supérieur de la partie avant (3), et les premier et second trous (8, 9) étant situés dans le côté supérieur, respectivement le côté inférieur de la partie arrière (2).
  9. Couteau pour grand sachet (1) selon l'une quelconque des revendications 1 à 8, un bouton (16) étant fourni qui est relié à la poignée avant (5) et qui est conçu pour actionner le mécanisme de verrouillage de sorte que le bouton (16) pousse l'élément élastique hors du premier trou (8) dans la position rétractée du couteau de grand sachet (1), respectivement hors du second trou (9) dans la position déployée du couteau pour grand sachet (1).
  10. Couteau pour grand sachet (1) selon la revendication 6, le mécanisme de verrouillage comprenant
    une broche (14) s'étendant dans la partie arrière (2) du couteau pour grand sachet (1), plus particulièrement fixée à la poignée arrière (4) ;
    un élément élastique (13) fixé à la partie avant (3) du couteau pour grand sachet (1) et conçu pour coulisser par rapport à la broche (14) et pour s'accrocher derrière la broche (14), plus particulièrement comprenant un renflement (13a) conçu pour coulisser par rapport à la broche (14) et s'accrocher derrière celle-ci.
  11. Couteau pour grand sachet (1) selon l'une quelconque des revendications 7 à 10, l'élément élastique (7, 13) étant un ressort à lames pliable.
  12. Couteau pour grand sachet (1) selon l'une quelconque des revendications précédentes, un patin de friction (15) étant situé entre la partie arrière (2) et la partie avant (3) .
  13. Couteau pour grand sachet (1) selon l'une quelconque des revendications précédentes, le couteau pour grand sachet (1) ayant une longueur totale d'environ 0,6 m dans sa position rétractée et une longueur d'environ 1,0 m dans sa position déployée.
EP19700510.1A 2018-01-16 2019-01-16 Couteau pour grand sachet Active EP3740359B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL19700510T PL3740359T3 (pl) 2018-01-16 2019-01-16 Nóż do dużych worków

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP18151846.5A EP3511132A1 (fr) 2018-01-16 2018-01-16 Couteau pour grand sachet
PCT/EP2019/050995 WO2019141703A1 (fr) 2018-01-16 2019-01-16 Couteau de grand sac

Publications (2)

Publication Number Publication Date
EP3740359A1 EP3740359A1 (fr) 2020-11-25
EP3740359B1 true EP3740359B1 (fr) 2022-03-16

Family

ID=60997359

Family Applications (2)

Application Number Title Priority Date Filing Date
EP18151846.5A Withdrawn EP3511132A1 (fr) 2018-01-16 2018-01-16 Couteau pour grand sachet
EP19700510.1A Active EP3740359B1 (fr) 2018-01-16 2019-01-16 Couteau pour grand sachet

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP18151846.5A Withdrawn EP3511132A1 (fr) 2018-01-16 2018-01-16 Couteau pour grand sachet

Country Status (7)

Country Link
EP (2) EP3511132A1 (fr)
CA (1) CA3076308C (fr)
DK (1) DK3740359T3 (fr)
ES (1) ES2911877T3 (fr)
LT (1) LT3740359T (fr)
PL (1) PL3740359T3 (fr)
WO (1) WO2019141703A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2517158A (en) * 1946-04-12 1950-08-01 Carl W Ahmer Knife handle
FR2849796A1 (fr) * 2003-01-10 2004-07-16 Yves Vignatelli Dispositif de securite pour cutters
TWM400925U (en) * 2010-06-18 2011-04-01 jun-feng He Switch-type utility knife
DE102013006599A1 (de) 2012-08-30 2014-04-03 Martor Kg Schneidvorrichtung

Also Published As

Publication number Publication date
EP3740359A1 (fr) 2020-11-25
LT3740359T (lt) 2022-04-11
DK3740359T3 (da) 2022-05-09
CA3076308A1 (fr) 2019-07-25
PL3740359T3 (pl) 2022-04-25
WO2019141703A1 (fr) 2019-07-25
ES2911877T3 (es) 2022-05-23
EP3511132A1 (fr) 2019-07-17
CA3076308C (fr) 2022-06-21

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