EP2423391A2 - Dispositif de fermeture pour couvercle de logement ou avaloir - Google Patents

Dispositif de fermeture pour couvercle de logement ou avaloir Download PDF

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Publication number
EP2423391A2
EP2423391A2 EP11175245A EP11175245A EP2423391A2 EP 2423391 A2 EP2423391 A2 EP 2423391A2 EP 11175245 A EP11175245 A EP 11175245A EP 11175245 A EP11175245 A EP 11175245A EP 2423391 A2 EP2423391 A2 EP 2423391A2
Authority
EP
European Patent Office
Prior art keywords
closure element
frame
closure
pivot axis
spring element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11175245A
Other languages
German (de)
English (en)
Other versions
EP2423391B1 (fr
EP2423391A3 (fr
Inventor
Ralf Sonnenberg
Eduard Schäll
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.)
Heinrich Meier Eisengiesserei GmbH and Co KG
Original Assignee
Heinrich Meier Eisengiesserei GmbH and Co KG
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 Heinrich Meier Eisengiesserei GmbH and Co KG filed Critical Heinrich Meier Eisengiesserei GmbH and Co KG
Publication of EP2423391A2 publication Critical patent/EP2423391A2/fr
Publication of EP2423391A3 publication Critical patent/EP2423391A3/fr
Application granted granted Critical
Publication of EP2423391B1 publication Critical patent/EP2423391B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1427—Locking devices
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1463—Hinged connection of cover to frame

Definitions

  • the invention relates according to the preamble of claim 1, a closure device for closing a bottom opening of a shaft, with a frame and a, from a closed into an open position convertible closure element, wherein on the frame a receptacle is formed, which is arranged with a closing element on the pivot axis forms a hinged connection.
  • closure devices for shafts consist of a frame and a closure element and are suitable for closing a bottom opening of a shaft.
  • the closure element can be moved relative to the frame, so that the shaft is accessible in an open position and is not accessible in a closed position.
  • such a frame is connected via a hinge-like connection with the closure element.
  • a rotational movement about a pivot axis of the hinge-like connection is necessary.
  • the pivot axis is mounted in a receptacle on the frame.
  • the pivot axis can also be arranged directly on the frame and the bearings on the closure element.
  • the pivot axis is mounted as a separate part on the closure element and the frame.
  • a closure element must not move from a closed to an open position under certain test conditions. The same applies to any intermediate positions.
  • Classic closure elements meet these test conditions by a high weight, which is achieved by a production of cast iron and optionally by filling cavities in the cast iron part with concrete or the like.
  • closure element is fixed in the prior art by positive locking on the frame, for which purpose different structural measures are used.
  • a closure element which is not connected via a hinge-like connection with the frame, but at least two positions has a member which can be moved relative to the closure element and the frame.
  • a bolt which is mounted in the closure element and can be moved from an unlocking position to a locking position. In the unlocked position, the closure element can be moved from the closed to the open position and in the locking position this is not possible, in particular in that the latch engages in a recess on the frame.
  • a closure element which is connected via a hinge-like connection with the frame, is fixed in the closed position on the side of the hinge-like connection and only at one, deviating from the hinge-like connection, the closure element with an above-described is fixed movable element.
  • the closure element is thus fixed on one side by the pivot axis on the frame and on the opposite side of the closure element, a movable latch is present, which engages in the locking position in a recess on the frame.
  • closure devices with relative to the frame and the closure element movable bars are that closure devices are often used in heavily soiled areas, which is the bar, whose storage and its actuating mechanism pollute over time, difficult or impossible to move. This has the consequence that the closure element can no longer move from a closed to an open position and the shaft is no longer accessible. Such a closure element must then be opened with destructive measures and then replaced. Under certain circumstances, even the frame is damaged and must also be replaced.
  • DE 20 2010 000 731 U1 is a closure device for closing a bottom opening of a shaft with a frame and a closure element is known in which this is fixed in the closed position without a relatively movable latch. On one side of the closure element this is connected via a hinge-like connection with the frame. In this case, the pivot axis is fixed to the closure element.
  • the mounting of the pivot axis of the hinge-like compound on the frame in addition to the rotational degree of freedom about the pivot axis also has a limited translational degree of freedom, which allows a displacement of the pivot axis.
  • This technical feature is referred to below as a worn out bearing.
  • the worn bearing can also be arranged on the closure element and the pivot axis on the frame.
  • the hinge-like connection can be designed as an open hinge, so that the closure element can be completely removed from the frame.
  • the closure element During a movement of the closure element from the open position to the closed position, the closure element first rotates about the pivot axis until it rests on the frame. Subsequently, the pivot axis and the closing element fixed thereto are jointly displaced translationally such that the closure element is removed from the worn bearing. Thus, there is a relative translational movement between the closure element and the frame.
  • a locking lug relative to this is arranged on the closure element. This engages in the locking position of the closure element in a locking receptacle in the frame.
  • the locking receptacle is formed as a recess in the frame and is arranged opposite the pivot axis.
  • the energy accumulator in the locking position can be completely or almost relieved and only when the closure element is moved in the direction of the unlocking, exert a force acting against this movement force.
  • he can also hold in the locked position of the closure element of this kraftbeaufschlagt in this position.
  • the closure element can be moved from the locking position into the unlocking position and from this into an open position.
  • a person for example, use a lever rod which is inserted and subjected to force in a lever opening between the frame and closure element, so that the closure element moves translationally in the direction of the knocked hinge and can then be moved into the open position.
  • the closure element in particular in the case of failure of the energy storage device, must have sufficient surface-related mass in order to meet the legal and other requirements, since otherwise it would move from a closed to an open position under certain test conditions.
  • Rubber blocks have a significantly shorter life than the frame and the closure element. Mechanical loads when opening and closing the lid to abrasion at the contact surface of the rubber block. Even solar radiation and associated extreme thermal stress, especially in outdoor areas and thus in road construction, lead to chemical changes. The regularly occurring vibration loads and chemical substances such as salt, oil and tire wear, especially in traffic, additionally harmful. The rubber loses its elastic properties with time, is plastically deformed by extreme temperature fluctuations and loads and ultimately also becomes porous. All this leads to a failure of the closure device, so that the closure element is located directly in the unlocked position and can be opened.
  • Another problem is that the competence of a manufacturer is usually limited to plastic technology or exclusively to metal casting technology. Thus, the added value rather lies with two manufacturers who have to cooperate with each other. Such a rubber part is therefore a purchased part. The entire added value of the closure device is therefore not in the hands of a manufacturer.
  • channel closure device consists of frame, closure element and power storage.
  • a three-piece design significantly increases the cost of the channel closure device over conventional channel closure devices.
  • the hinge is open at the top.
  • dirt can penetrate, especially small stones.
  • the visibility of the hinge is still not acceptable at all locations, as it can be visually distracting. A high aesthetic demand on the closure device is thus not attainable from the prior art.
  • a deficit is also the assurance of the closure element in its open position, which is ensured exclusively by a pivoting of more than 90 ° from the closed position to the open position.
  • the greater this angle is designed, the greater the security against an unwanted movement into the closed position, however, increases in the closed position, the gap between the closure element and the frame.
  • the opening angle in the known closure device must be as large as possible, otherwise there is a risk of injury to those persons who are on or in the shaft.
  • the invention relates to a closure device for closing a bottom opening of a shaft, with a frame and a, from a closed convertible into an open position closure element, wherein on the frame a receptacle is formed, which forms a hinge-like connection with an arranged on the closure element pivot axis, wherein the pivot axis is fastened via a spring element on the closure element.
  • the spring element exerts in the closed position a force between the pivot axis and closure element.
  • the closure element is thereby pressed against the frame on the side facing away from the spring element.
  • the closure element is fixed in the closed position and an unintentional movement of the closure element from the closed position to the open position is prevented.
  • a rotational force on the opposite side of the hinge-like joint may be applied to the shutter member, which acts in the direction of the frictional force and the rotational direction about the pivot axis and which is larger than the frictional force. If the applied force is greater than the friction force, the closure element can be moved from the closed to the open position.
  • closure element the spring element and the pivot axis can be in one piece.
  • cohesive connections between the three features come into question.
  • the invention has one component less than the closest prior art, resulting in lower manufacturing costs.
  • materials for the spring element can be selected that are less susceptible to external influences. These materials may have a lifetime corresponding to the other components of the closure device.
  • the functionality of the closure element over the Ensures the entire product lifecycle without having to replace components.
  • the lower weight leads to lower production costs, protects the limited resources, reduces the logistics effort and facilitates the handling of product development, installation and use, through to disposal.
  • the risk of injury to persons in or at the shaft is reduced.
  • the closure device according to the invention additionally offers the possibility of designing the hinge-like connection in such a way that it is protected against contamination and the functionality is maintained over the entire product life cycle. Due to the fact that the pivot axis undergoes exclusively a rotational movement from the closed to the open position, it can no longer be blocked by contamination. In particular, this is the case since a round body undergoes no change in position in the ambient space during a rotation.
  • closure element is always guided firmly in the storage during a movement from an open to a closed position and also in the opposite direction of movement. This results in a harmonious movement and the operator does not have the feeling to operate a schlackerndes and hakeliges closure element.
  • the frame, the closure element, the spring element and the pivot axis made of metal, cast iron or aluminum. It can also be used material combinations.
  • the spring element is formed integrally with the pivot axis and the closure element. This offers over a multipart training further advantages, since there are no weak points such as welds or adhesive zones between the components. Also eliminates production steps, with the help of which the three parts would otherwise be joined together. If only one material is used and no composite material, such a closure element is also very good recyclable.
  • the closure device can thus be in two parts, consisting solely of the closure element with spring element and pivot axis and the frame, which significantly reduces the production costs.
  • closure element together with pivot axis and spring element are preferably made of metal. This leads to a saving of parts and a lower susceptibility compared to a conventional device. Furthermore, the total added value of such a product can be more in the same hands, because the required competencies are limited to a single subject area.
  • the spring element can be designed such that it is an open towards the frame top U-profile.
  • a U-profile is particularly well suited because it can absorb a resilient force on the two cheeks. With increasing horizontal pressure from the outside, the distance between the two free ends of the U-profile decreases.
  • the desired spring force is adjustable.
  • a U-profile is relatively stiff in all directions, so that no twisting between the pivot axis and the closure element occurs. This makes it possible to design a closure element with a single hinge-like connection. This is very important, for example, in round closure elements. However, there are also several hinged connections to a closure element possible. The prerequisite for this is that the swivel axes are positioned on a single straight line.
  • U-profile also allows a larger opening angle of the closure element. This is achieved in that the closure element can be moved beyond the pivot axis and beyond, although the frame is located between the pivot axis and the closure element. In such a position, the U-profile surrounds the frame at this point.
  • a recess is formed on the frame, which receives the spring element in the closed position of the closure element almost completely.
  • the spring element sits embedded with sufficient scope in the frame and is largely not visible to a viewer.
  • Adjacent to the recess, the frame can be designed with a sufficiently large support surface for the closure element. It is advantageous if in the closed position no vertical from above on the closure element acting pressure forces flow through the spring element and the pivot axis, but are almost exclusively conducted by the closure element through the support surface in the frame.
  • all belonging to the hinge-like connection components can be arranged under or in the frame. So dirt can not get into the hinge-like connection.
  • the closure device is thus not susceptible to interference.
  • the hinge-like connection is not visible. This results in a harmonious surface consisting of closure element and frame.
  • a uniform gap between them can be achieved, so that the closure device can also be used in locations with high aesthetic requirements.
  • the closure element is formed a latching nose, which forms a latching device with an opposite locking receptacle in the frame, which secures the closure element in its closed position.
  • a secure closed position is a locking position as described in the prior art.
  • the locking lugs are integrally or integrally formed with the closure element and the locking receptacles integral with the frame.
  • the latching lug is arranged on the frame and the latching receptacle on the closure element.
  • the latching device is arranged directly opposite the spring element.
  • the latching device is thus in the direction of the force applied by the spring element.
  • the contact pressure is greatest especially at a round design of the closure element at this position and the overlap of the circular paths of locking lug and locking receptacle relative for translational movement of the closure element is maximum here.
  • such a locking lug has the best lever arm at opening forces on the closure element and thus can absorb higher forces with the same size. It is advantageous if, in the closed position, no pressure forces acting vertically from above on the closure element flow through the latching device, but these are guided almost exclusively by the closure element through the contact surface into the frame.
  • the receptacle formed on the frame is arranged in a chamber formed parallel to the longitudinal direction of the pivot axis.
  • a U-shaped spring element allows such a chamber to make the hinge-like connection such that it is not visible in the closed position from the outside and at the same time the gap between the closure element and the frame is very small. This is optically advantageous and in this way can enter from the top no soiling in the chamber of the mounting of the pivot axis.
  • the chamber is interrupted on one side above the pivot axis on one side of the spring element.
  • Such an interruption is used in particular to be able to move the closure element in the open position in the direction of the pivot axis.
  • the spring element connected to the pivot axis is thereby pushed into the interruption until the pivot axis is no longer mounted on the opposite side in the chamber.
  • the closure element is separable from the frame in such a position achieved. This serves, as it were, in the reverse order of assembly of the closure element on the frame. If dirt has reached the area of the hinge-like connection, the chamber is easy to clean, since the chamber is easily accessible in the frame when the closure element is removed.
  • the spring element collides with the frame and blocks the movement before the pivot axis is no longer supported in the chamber on the opposite side of the collision.
  • a clearance is provided above the pivot axis in the chamber and above the recess, so that the pivot axis on the side of the interruption does not have to be stored on a flat surface. If a storage recess is provided on this side, then the closure element together with pivot axis for separation from the frame in addition be raised so far that the axis has no overlap with the trough. In order to overcome the height of the trough, the space above the pivot axis is provided. On the side of the chamber facing the interruption, such a free space is not mandatory. A bearing of the pivot axis on this side in a round hole can even be beneficial.
  • a further embodiment of the invention has on the recess a laterally arranged locking recess. This may be formed integrally with the rest of the frame. However, there are also multi-part designs possible.
  • the spring element is preferably formed a latching lug. This can also be formed integrally with the spring element. However, there are also multi-part designs possible.
  • the latching lug can be arranged on one of the U-profile ends, between the radius of the U-profile and the pivot axis on the U-profile outer side.
  • Such a detent may be arranged on a single spring element or on a plurality of spring elements.
  • the circular paths of the latching lug and the latching recess are parallel to each other so that they do not collide during a rotational movement of the closure element about the pivot axis from the open position to the closed position.
  • This position is a safety position. The axial displacement is to be performed by the person operating the closure element.
  • the locking lug of the spring element now secures the closure element against an unwanted movement from the safety to the closed position. Should the closure element unintentionally move in rotation from the safety position in the direction of the closed position, the latching nose engages in the latching recess and the movement is stopped. By gravity, the lid of the locking lug and the detent recess is fixed.
  • latching lug and latching recess are arranged such that they intercept the movement even at an opening angle of 70 ° to 80 °. The later the fuse engages, the higher the speed of a random closure element and thus increases the risk of injury.
  • the closure element is always held in an open position by the locking device. The detent of the spring element is then in the detent recess.
  • a lateral chamfer is formed on the frame above the recess.
  • the lateral chamfer against the interruption of the chamber and the detent recess and the detent is arranged.
  • the chamfer serves in conjunction with the spring element as a transmission, which moves the closure element in the movement from the closed position to the open position axially in the direction of the pivot axis.
  • the spring element collides on its circular path about the pivot axis with its side facing away from the locking lug of the U-profile at a certain angle with the chamfer. From this angle, the closure element with spring element and pivot axis for rotational movement imposed an axial movement. The spring element is guided along the bevel until the closure element is in the safety position.
  • the locking device can be formed sloping, so that there is no dirt can accumulate and the closure element can move freely.
  • closure element described is preferably a cover of a manhole.
  • closure element can also be designed as a round cover for covering, for example, entry and inlet shafts.
  • Both frame and the closing element designed as a lid or lid-shaped cover or rust closure element are preferably formed as a casting to ensure a long shelf life.
  • FIG. 1 shows a closure device 1 according to the invention for a bottom opening of a shaft 10, wherein the upper end of which is formed by a frame 11.
  • the frame has a receptacle 30 and a latching receptacle 41.
  • This frame 11 sits a convertible from a closed into an open position closure element 13 with a latching lug 42 which is connected via a spring element 22 with a pivot axis 21.
  • the pivot axis 21 is disposed in the receptacle 30 of the frame 11 and forms together with this a hinge-like connection 20.
  • the spring element 22 is formed as in the direction of the frame top open U-profile 23 and the pivot axis 21 is disposed below the surface.
  • the latching lug 42 is arranged in the latching receptacle 41 and forms together with this a latching device 40, which is arranged opposite the hinge-like connection 20.
  • a pressure force in the direction A is introduced into the closure element 13.
  • the power flow passes through the closure element 13 and the force is finally introduced into the frame 11 on the side of the detent device 40. In this way, the closure element 13 is secured in a closed position.
  • FIG. 2 shows a vertical view of two closure elements 13 in a frame 11 in a closed or locked position.
  • the hinge-like connections between the closure elements 13 and the frame 11 are arranged on different sides of the frame 11. In this way, the two closure elements 13 can be opened in different directions.
  • On each closure element 13 has a sign 50 to a lever opening 14, in which a rod can be inserted.
  • the rod on the frame 11 and the closure element 13 By means of abutment of the rod on the frame 11 and the closure element 13, the latter is moved by leverage from the closed or locked position into an unlocked position. In the unlocked position, the closure element 13 is still in the opening of the frame 11 and can then be swung open.
  • FIG. 3 is a view of a lattice-like closure element 13 with two pivot axes 21 and two spring elements 22 is shown, wherein the pivot axes 21 lie on a straight line on one side of the closure element 13.
  • the spring elements 22 have the shape of an upwardly open U-profile 23 and connect the pivot axes 21 with the closure element thirteenth
  • FIG. 4 In a detailed view in FIG. 4 one of the spring elements 22 with associated pivot axis 21 is shown in more detail. It is again a U-profile-like configuration of the spring element 22. At one of the U-profile ends, a first latching lug 24 is arranged between the radius of the U-profile 23 and the pivot axis 21 on the U-profile outer side. Such a latching lug 24 may be arranged on a single spring element 22 or on a plurality of spring elements 22.
  • FIG. 5 shows a section through a hinge-like connection 20 according to the invention between a frame 11 and a closure element 13 in a closed or locked position.
  • the closure element 13 is integrally connected to a U-profile-like spring element 22 and integrally connected to a pivot axis 21, wherein the U-profile 23 is open upwards towards the frame top 12.
  • the pivot axis 21 is mounted in a receptacle 30 of the frame 11.
  • the receptacle 30 is in a chamber 33.
  • the chamber 33 is formed such that there is a free space.
  • a recess 31 in the frame 11 is formed such that the spring element 22 is almost completely absorbed by the closed state in the closed state.
  • FIG. 6 In a safety position of a closure element 13 is in FIG. 6 shown in detail frontally a hinge-like connection 20 according to the invention with a frame 11.
  • the closure element 13 is connected via a spring element 22 with a pivot axis 21, wherein the spring element 22 has a first latching lug 24.
  • the frame 11 has a recess 31.
  • a lateral bevel 34 On one side of the recess 31 there is a lateral bevel 34, the plane normal of which in particular does not coincide with the axis of the pivot axis 21 of the closure element 13.
  • a detent recess 32 is laterally formed.
  • a receptacle 30 is formed, which is located in a parallel to the pivot axis 21 formed chamber 33.
  • the chamber 33 is opened exclusively in the direction of the recess 31 and on the side of the detent recess 32, the chamber 33 is open in the direction of the recess 31 and in the direction of the frame center.
  • the receptacle 30 is designed such that it can receive the pivot axis 21.
  • the closure element 13 can be further displaced in the direction B until the pivot axis 21 is no longer in the receptacle 30 on the side of the side chamfer 34. In this position, the pivot axis 21 can be moved in the direction of the frame center and the closure element 13 can be finally removed. An assembly takes place in a correspondingly reverse order.
  • a cut shows in FIG. 7 a locking position with an integrally formed with the closure element 13 second latching lug 42 which is arranged in a frame 11 with the integrally formed latching receptacle 41 and forms a latching device 40 with this.

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
EP11175245.7A 2010-08-26 2011-07-25 Dispositif de fermeture pour couvercle de logement ou avaloir Active EP2423391B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010037188A DE102010037188A1 (de) 2010-08-26 2010-08-26 Verschlussvorrichtung für eine Schachtabdeckung oder einen Straßenablauf

Publications (3)

Publication Number Publication Date
EP2423391A2 true EP2423391A2 (fr) 2012-02-29
EP2423391A3 EP2423391A3 (fr) 2015-09-09
EP2423391B1 EP2423391B1 (fr) 2016-11-16

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EP11175245.7A Active EP2423391B1 (fr) 2010-08-26 2011-07-25 Dispositif de fermeture pour couvercle de logement ou avaloir

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EP (1) EP2423391B1 (fr)
DE (1) DE102010037188A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104452818A (zh) * 2013-09-24 2015-03-25 李巨峰 带警示标识的防盗、防下沉、防噪声大扩盘井盖
EP3348880A1 (fr) * 2017-01-13 2018-07-18 Kessel AG Système de couvercle pour boîtier de récipient tubulaire

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010000731U1 (de) 2010-01-07 2010-05-06 Bernhard Amsbeck Gmbh & Co. Kg Kanalverschlussvorrichtung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29700180U1 (de) * 1997-01-08 1997-03-06 HSB Umwelttechnik GmbH, 58675 Hemer Domschachtabdeckung
DE20321751U1 (de) * 2003-03-25 2009-07-09 Aco Severin Ahlmann Gmbh & Co. Kg Abdeckungsanordnung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010000731U1 (de) 2010-01-07 2010-05-06 Bernhard Amsbeck Gmbh & Co. Kg Kanalverschlussvorrichtung

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104452818A (zh) * 2013-09-24 2015-03-25 李巨峰 带警示标识的防盗、防下沉、防噪声大扩盘井盖
EP3348880A1 (fr) * 2017-01-13 2018-07-18 Kessel AG Système de couvercle pour boîtier de récipient tubulaire
CN108302246A (zh) * 2017-01-13 2018-07-20 科赛尔股份公司 用于管形套壳体的盖系统

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Publication number Publication date
EP2423391B1 (fr) 2016-11-16
EP2423391A3 (fr) 2015-09-09
DE102010037188A1 (de) 2012-03-01

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