EP3395711A1 - Bistabiler oberflächen-konkav-konvex-konkav-übergangsmechanismus - Google Patents

Bistabiler oberflächen-konkav-konvex-konkav-übergangsmechanismus Download PDF

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Publication number
EP3395711A1
EP3395711A1 EP17020185.9A EP17020185A EP3395711A1 EP 3395711 A1 EP3395711 A1 EP 3395711A1 EP 17020185 A EP17020185 A EP 17020185A EP 3395711 A1 EP3395711 A1 EP 3395711A1
Authority
EP
European Patent Office
Prior art keywords
lid
stable
configuration
configurations
triggering 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Withdrawn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
EP17020185.9A
Other languages
English (en)
French (fr)
Inventor
Jalil Badaoui
Rudolf Koopmans
Denis Cuche
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.)
Haute Ecole D'ingenierie Et D'architecture De Fribourg (heia-Fr)
Original Assignee
Haute Ecole D'ingenierie Et D'architecture De Fribourg (heia-Fr)
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 Haute Ecole D'ingenierie Et D'architecture De Fribourg (heia-Fr) filed Critical Haute Ecole D'ingenierie Et D'architecture De Fribourg (heia-Fr)
Priority to EP17020185.9A priority Critical patent/EP3395711A1/de
Publication of EP3395711A1 publication Critical patent/EP3395711A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0202—Removable lids or covers without integral tamper element
    • B65D43/0204—Removable lids or covers without integral tamper element secured by snapping over beads or projections
    • B65D43/0212—Removable lids or covers without integral tamper element secured by snapping over beads or projections only on the outside, or a part turned to the outside, of the mouth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/14—Non-removable lids or covers
    • B65D43/22—Devices for holding in closed position, e.g. clips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/00074—Shape of the outer periphery curved
    • B65D2543/00092—Shape of the outer periphery curved circular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00296—Plastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00342—Central part of the lid
    • B65D2543/0037—Flexible or deformable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
    • B65D2543/00527—NO contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00824—Means for facilitating removing of the closure
    • B65D2543/00935—Means for facilitating removing of the closure by depressing the central part at least locally

Definitions

  • the present invention concerns the field of devices and products using a part with bi-stable properties.
  • the present invention concerns the field of products having a bi-stable part, for example boxes, closures, or shutters having a bi-stable lid, cap or surface for respective closing, locking or shutting of the product.
  • a bi-stable behavior is a physical effect that enables structures to reach two different shapes or configurations, both being stable. To obtain this effect, structures must be designed accordingly.
  • Such bi-stable structures have then, unlike conventional structures, not one but two stable states or configurations.
  • the structures can change elastically from one of the state/configuration to the other one by applying for example a force by a certain way on them, this change being completely reversible.
  • the two configurations are given by a convex and a concave shape, which are both a stable state and shape of the object.
  • Containers having a bi-stable opening and closing mechanism which is based on the shape of their lid, have been patented since the 1920s. These boxes are designed such that the lid can assume a convex or a concave configuration, and can be manually transferred between the two configurations and translates into a change of the angular position of the flange member leading to opening or closing of the box.
  • the patent CH132764A discloses a metallic container made of two parts and having a circular deformable lid used as opening and closing system. Bi-stable lids could also be used for rectangular shapes as in patent US2024227A .
  • US2012037654A1 discloses a bi-stable circular lid made of plastic and its corresponding container.
  • DE102015103036A1 discloses a bi-stable circular lid made by thermoforming.
  • US2014342056A1 concerns a container having a bi-stable lid being "over-moulded" in some area.
  • EP1712485A1 and WO2014090399A2 are about bi-stable containers made of two parts and linked by a hinge mechanism.
  • the user presses with the fingers on the clamping flanges attached to the side of the lid to change from a concave shape to a convex one and to close the box with the bi-stable lid.
  • the shape of the lid is changed from convex to concave and this is done by imparting a force on the lid, for example in its middle thereby pushing the dome into the convex stable position.
  • the clamping flanges are moved away from the lower part of the box and the lid maybe freely taken away and access to the box is possible.
  • plastic and other similar materials for example synthetic or bio-based soft matter materials
  • plastic and other similar materials are unsuitable for such bi-stable applications therefore remains a common thinking in the art, even for other applications than boxes, closures, shutters, and similar products.
  • the present invention aims to solve this limitation to the use of elements that have a bi-stable behaviour made in materials that, at first sight, are not suitable for this purpose.
  • an idea is to use triggering means to render possible a bi-stable actuation of the concerned part, such as the lid, even if made of a plastic or other synthetic material.
  • the envisaged triggering means are called “actuators objects”, and they are preferably integrated in the product.
  • the invention relates to a mechanism helping the convex-concave-convex change of position of a bi-stable surface.
  • This mechanism is integrated to the system and comprise of an actuator object brought into contact or being part of the bi-stable convex surface.
  • we are able to change the shape of the bi-stable surface from the concave shape to the convex shape by applying a force on the same side of the surface with any materials including plastic.
  • the invention concerns an object comprising a least a part having at least a bi-stable behaviour in which said part is able to reach a first configuration or a second configuration, wherein the first and the second configurations are different from each other, wherein the object comprises triggering means to induce a change from one configuration to the other configuration.
  • the triggering means are linked to the part having a bi-stable behaviour and/or are linked to another part of the object.
  • the triggering means is integrated into the object or added to the object or is a part of the object.
  • the object comprises a closure, shutter or locking mechanism having a body and a part having a bi-stable behaviour forming said mechanism, wherein one of the configurations of the mechanism is a concave-shaped configuration and the other configuration of the mechanism is a convex-shaped configuration.
  • the object is a box or container having a body and lid and the part having a bi-stable behaviour forms said lid, wherein one of the stable configuration of the lid is a concave-shaped configuration and the other stable configuration of the lid is a convex-shaped configuration.
  • the lid is articulated or hinged on the body.
  • parts of the object may by attached to the object or be an integral part of the object.
  • parts of the object may be of different materials or of the same material.
  • the triggering means comprise a raised part.
  • the raised part is on the body and/or on the lid.
  • the configurations are stable configurations.
  • the object as defined herein and/or said part having a bi-stable behaviour are made of a synthetic or bio-based plastic material.
  • the object described herein is made of a single part. Of course other constructions are possible.
  • Figures 1 to 4 show a side view of a first embodiment of the present invention.
  • the invention comprises a first part 1 having a bi-stable behaviour.
  • This part 1 can be a cover as a non-limiting example that has a first stable configuration illustrated in figure 1 , for example a dome-shape.
  • the invention further comprises a triggering means 2 that will trigger the change from one stable configuration to the other as will be explained hereunder.
  • Figure 2 illustrates a cut side view of the elements of figure 1 , along the cut line A-A of figure 1 .
  • FIG 2 a vertical arrow is illustrated that shows a force F1 that can be imparted, typically externally, to the first part 1 in order for said part to reach its second stable configuration as illustrated in figures 3 and 4 .
  • figure 3 illustrates a side view of the first part in its second stable configuration, for example reach by reaction to an applied force F1 shown in figure 2 .
  • Figure 4 illustrates a cut side view of the elements of figure 3 in the configuration of figure 3 , along the cut line A-A of figure 3 .
  • the two vertical arrows in figure 4 illustrate a force F2 that may be applied to the first part 1, in order for this part to return to its first stable configuration illustrated in figure 1 .
  • these forces F2 alone are not sufficient and one needs the application of the first part 1 on the triggering means 2 in order to impart the change from the second configuration to the first, the triggering means applying a reaction force on the first part, but on a zone of the first part that generates the change to the other (i.e. first in this example) configuration.
  • a force need only to by applied to two different places on the first part to allow its change from one configuration to the other.
  • Figures 5 to 8 illustrate a second embodiment similar to the first one, but in this embodiment, the triggering means 4 are part of the first part 3.
  • figure 1 illustrates a side view of a first part 3, which comprises second part 4 as triggering means.
  • Figure 6 is a cut side view along lines A-A of figure 5 .
  • a force F1 is applied to the first part 3 so that it reaches its second configuration as illustrated in figures 7 and 8 .
  • Figure 7 illustrates a side view of first part 3 in its second configuration.
  • the two vertical arrows in figure 8 (side cut-view along A-A of figure 7 ) illustrate a force F2 that may be applied to the first part 3, in order for this part 3 to return to its first stable configuration illustrated in figure 5 .
  • these forces F2 alone are not sufficient and one needs the collaboration of the first part 3 with the triggering means 4 in order to impart the change from the second configuration to the first, the triggering means 4 applying a reaction force on the first part 3, but on a zone of the first part 3 that generates the change to the other configuration (i.e. first in this example).
  • a force need only to by applied to two different places on the first part to allow its change from one configuration to the other as desired.
  • FIGS 9 to 14 illustrates side and perspective views of another embodiment of the invention, for example the cover 10 of a box as described at the beginning of the present specification.
  • the cover 10 comprises a lid part 11 which has a bi-stable behaviour rendering it able to reach two stable positions, i.e. to close or open a box on which the cover 10 is applied.
  • the cover 10 also comprises a plurality of side clamping flanges 12 and triggering means 13 on the inside of the clamping flanges.
  • the cover is illustrated with a plurality of flanges 12 (sixteen as illustrated in figure 10 ) but this number could be reduced or increased and is only an illustrative example.
  • three flanges are normally enough, placed every 120° for example. Even two flanges 12 would be enough to close a round box with this cover 10.
  • the example given should not be considered in a limiting manner and other configurations are possible.
  • FIG 11 the actuating of a change of configuration is illustrated.
  • an external force F1 is applied to the lid 11 which has the shape of a dome, preferably in the centre of the dome and this force F1 allows the lid to reach a second configuration illustrated in figures 12 to 14 whereby the lid again is a dome shape but oriented downwards ( figure 11 is oriented upwards).
  • a box closed by said cover 10 may now be opened.
  • a force F2 illustrated by the arrows in figure 14 , is applied to the flanges.
  • the deformation of the flanges will then be reported on the lid 11 by means of the triggering means 13 such that, because of its bi-stable behaviour, the lid returns in its first configuration, as in figure 11 .
  • each flange 12 comprises a triggering means 13, but is of course possible to reduce the overall number of triggering means. Theoretically, a single one should be sufficient and the necessary number may be determined depending on the configuration, the shape of the cover 10, lid 11, number of flanges 12, the materials used, and design specific criteria.
  • Figures 15 to 20 illustrate another embodiment of the present invention.
  • This embodiment relates to a box with an articulated lid.
  • figure 15 illustrates a side perspective view of the box 20 which comprises a body 21 and a lid 22 with a flange 23 and triggering means 24 placed inside the body 21.
  • the lid 22 has a bi-stable behaviour as will be explained in the following description.
  • Figure 16 illustrates a side cut view of the box 20 and the lid 22 in an open position and first (stable) configuration of its bi-stable behaviour. This configuration can be seen in figure 16 where the lid has a dome shaped configuration in the direction of the inside of the body 21.
  • Figures 17 and 18 illustrate the closing of the lid 22 on the body 21 (perspective view and side cut view).
  • the action of pushing on the flange 23 is not enough to move the lid 22 in its second configuration and this change is triggered by the triggering means 24 which are present in the body 21 under the shape of a wall, the top border 25 of said wall 24 applying a force against the lid and pushing the lid 22 towards its other (second) configuration, reached by the bi-stable behaviour of the lid 22.
  • Figures 19 and 20 illustrate in perspective view and side cut view respectively the box 20 in a closed state in which the lid 22 is in its second configuration, a dome shape oriented away from the body 21.
  • the flange 23 allows to maintain the box 20 closed as illustrated in figure 20 .
  • a force such as a pressure has to be applied on the lid 22, about at the centre of the illustrated cross and this force will push the lid 22 in its other configuration through the bi-stable effect and the box may be opened as in figure 18 and 15 .
  • the wall 24 may be a part of the body 21, or added to the body, or may even be attached to the lid 22.
  • the wall 24 is formed from two parts, one being in the body 21 and the other on the lid 22.
  • Figures 21 to 26 illustrate another embodiment of the present invention with a box comprising an articulated lid.
  • a box 30 with a body 31, an articulated lid 32 with a flange 33 and a slit 35 in the body 31.
  • the lid 32 in a first configuration of its bi-stable behaviour as can be seen in the side cut view of figure 22 , with a dome shaped lid 32 in the direction of the body 31.
  • Figures 23 and 24 showing a perspective view and side cut view illustrate the process of closing the box 30 by closing the lid 32 on the body 31.
  • Figure 24 in particular shows the box closed but with lid 32 still in its first configuration with the dome shape towards the body 31.
  • the triggering means 34 which is between both parts (see figure 24 ).
  • the effect of this triggering means is in accordance with the principles of the present invention to push the lid 32 to reach its second configuration and this configuration is illustrated in figures 25 and 26 , showing a perspective view and a side cut view of the box 30 in closed state with the lid 32 having a dome shape directed away from the body 31.
  • the slit 35 is used to allow the passage of means 34 as one can see in figures 24 and 26 .
  • the invention is not limited to boxes, closures or shutters and may be applied to other products using a bi-stable part.
  • the triggering means may have different shapes or constructions, only its principles being illustrated herein.
  • the material used for the objects and boxes of the present invention comprise any plastic material including metals, synthetic or bio-based matter, hybrid inorganic filled systems or composites.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
EP17020185.9A 2017-04-27 2017-04-27 Bistabiler oberflächen-konkav-konvex-konkav-übergangsmechanismus Withdrawn EP3395711A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17020185.9A EP3395711A1 (de) 2017-04-27 2017-04-27 Bistabiler oberflächen-konkav-konvex-konkav-übergangsmechanismus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17020185.9A EP3395711A1 (de) 2017-04-27 2017-04-27 Bistabiler oberflächen-konkav-konvex-konkav-übergangsmechanismus

Publications (1)

Publication Number Publication Date
EP3395711A1 true EP3395711A1 (de) 2018-10-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP17020185.9A Withdrawn EP3395711A1 (de) 2017-04-27 2017-04-27 Bistabiler oberflächen-konkav-konvex-konkav-übergangsmechanismus

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112278238A (zh) * 2019-07-26 2021-01-29 香港城市大学深圳研究院 一种可连续变形的机翼及飞行器

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH132764A (fr) 1928-07-30 1929-04-30 Stalder Albert Dispositif de fermeture pour boîtes d'emballage et récipients similaires.
US2024227A (en) 1933-12-02 1935-12-17 American Can Co Container
EP1712485A1 (de) 2005-04-14 2006-10-18 Impress Group B.V. Polygonaler Behälter
US20120037654A1 (en) 2008-05-23 2012-02-16 Helen Of Troy Limited Container lid
DE102012016902B3 (de) * 2012-08-27 2014-01-30 Mike Nebel Verschließ- und Öffnungsvorrichtung mit einem Druckentlastungsventil für einen eine Flüssigkeit aufnehmenden Behälter
WO2014090399A2 (de) 2012-12-10 2014-06-19 Bruck Walter Jürgen Klick-klack-deckel, behälter mit einem klick-klack-deckel, tragbarer aschenbecher und raucher-artikel-anordnung
US20140342056A1 (en) 2011-11-28 2014-11-20 Nestec S.A. Closure lid
DE102015103036A1 (de) 2015-03-03 2016-09-08 Roland Kittmann Bistabiles Verschlusselement
DE202015105951U1 (de) * 2015-11-06 2017-02-07 Roland Kittmann Schnappdeckel in Mehrkomponenten-Spritzgusstechnik

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH132764A (fr) 1928-07-30 1929-04-30 Stalder Albert Dispositif de fermeture pour boîtes d'emballage et récipients similaires.
US2024227A (en) 1933-12-02 1935-12-17 American Can Co Container
EP1712485A1 (de) 2005-04-14 2006-10-18 Impress Group B.V. Polygonaler Behälter
WO2006108704A2 (en) * 2005-04-14 2006-10-19 Impress Group B.V. Multi -corner container
US20120037654A1 (en) 2008-05-23 2012-02-16 Helen Of Troy Limited Container lid
US20140342056A1 (en) 2011-11-28 2014-11-20 Nestec S.A. Closure lid
DE102012016902B3 (de) * 2012-08-27 2014-01-30 Mike Nebel Verschließ- und Öffnungsvorrichtung mit einem Druckentlastungsventil für einen eine Flüssigkeit aufnehmenden Behälter
WO2014090399A2 (de) 2012-12-10 2014-06-19 Bruck Walter Jürgen Klick-klack-deckel, behälter mit einem klick-klack-deckel, tragbarer aschenbecher und raucher-artikel-anordnung
DE102015103036A1 (de) 2015-03-03 2016-09-08 Roland Kittmann Bistabiles Verschlusselement
DE202015105951U1 (de) * 2015-11-06 2017-02-07 Roland Kittmann Schnappdeckel in Mehrkomponenten-Spritzgusstechnik

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112278238A (zh) * 2019-07-26 2021-01-29 香港城市大学深圳研究院 一种可连续变形的机翼及飞行器

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