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EP1402181B1 - Dispositif pour transporter un produit a ecoulement libre et en vrac a transporter - Google Patents

Dispositif pour transporter un produit a ecoulement libre et en vrac a transporter Download PDF

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Publication number
EP1402181B1
EP1402181B1 EP02745395A EP02745395A EP1402181B1 EP 1402181 B1 EP1402181 B1 EP 1402181B1 EP 02745395 A EP02745395 A EP 02745395A EP 02745395 A EP02745395 A EP 02745395A EP 1402181 B1 EP1402181 B1 EP 1402181B1
Authority
EP
European Patent Office
Prior art keywords
discharge tube
conveyer
conveyed
tube
cylinder
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 - Lifetime
Application number
EP02745395A
Other languages
German (de)
English (en)
Other versions
EP1402181A1 (fr
Inventor
Hellmut Hurr
Gerald Fischer
Frank Pirwass
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.)
Putzmeister Concrete Pumps GmbH
Original Assignee
Putzmeister AG
Putzmeister Werk Maschinenfabrik GmbH
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 Putzmeister AG, Putzmeister Werk Maschinenfabrik GmbH filed Critical Putzmeister AG
Publication of EP1402181A1 publication Critical patent/EP1402181A1/fr
Application granted granted Critical
Publication of EP1402181B1 publication Critical patent/EP1402181B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
    • E21D9/124—Helical conveying means therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
    • F04B15/023—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous supply of fluid to the pump by gravity through a hopper, e.g. without intake valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/008—Spacing or clearance between cylinder and piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • F04B53/162—Adaptations of cylinders
    • F04B53/164—Stoffing boxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/22—Arrangements for enabling ready assembly or disassembly

Definitions

  • the invention relates to a device for conveying flowable or pourable material with at least one preferably with hydraulic means reciprocally displaceable delivery piston, with a delivery piston on its lateral surface axially leading bearing tube, with an axially adjacent to the bearing tube in the conveying direction, via a feed channel or hopper with winninggut feedable space, and arranged with an axially in the displacement of the delivery piston, the input side connected to the filling and output side connected to a discharge conveyor cylinder, wherein the delivery piston in its retracted into the bearing tube end position the filling space to the feed channel or funnel releases and the Feed penetrates the filling space under entrainment of conveyed and penetrates into the delivery cylinder.
  • the delivery piston designed as a plunger cylinder is guided in a sliding guide of the bearing tube.
  • the bearing tube in the vicinity of its filling-space-side end also inwardly facing grooves for receiving stripping and enemy seals are screwed.
  • the gap between the bearing tube and the delivery piston is supplied with lubricating oil via lubrication holes via a central lubrication system.
  • the penetrating into the delivery cylinder piston is the inlet side tight against the wall, so that arises at each return stroke vacuum.
  • a cross slide is arranged in the conveying tube behind the delivery cylinder, which is closed before each return stroke of the delivery cylinder and opened again before each pressure stroke.
  • a disadvantage is the high susceptibility to wear in the region of the bearing tube considered.
  • the known conveyor is not readily suitable to promote the conveyed from a standing under pressure filling space in an atmospheric outdoor space, without the risk of pressure breakthrough exists.
  • the invention has for its object to improve the known device of the type described in that even when maintaining a pressure difference between the filling space and the outside space a slide-free discharge of the conveyed is possible in stationary operation.
  • the solution according to the invention is based on the procedural idea that an airtight plug consisting of compacted material is produced in the discharge tube before the outlet opening, at least a portion of the plug at each delivery stroke of the delivery piston through nach Wegendes and under plug formation condensing conveyed through the outlet opening in the outside space is displaced.
  • the discharge at its end remote from the delivery cylinder has a free discharge opening for the conveyed, that between the inner surface of the delivery cylinder and the lateral surface of the penetrated into this delivery piston a gap for the passage of air between the filling and the tube piece remains free and that in the discharge tube during the conveying operation a nach Wegendes by conveyable can be built up and pushed out via its outlet opening, consisting of compressed conveyed existing airtight plug is formed
  • a preferred embodiment of the invention provides that the outlet opening of the discharge tube is formed by a diaphragm with respect to the inner diameter of the discharge tube smaller aperture diameter.
  • the aperture is expediently detachable and / or interchangeable arranged on the discharge pipe.
  • the plug is mechanically divided in the region of the outlet opening at the exit into the outer space.
  • a separating member can be arranged for dividing the plug section pushed outwards during the delivery stroke.
  • a Grundpfropfen must first be generated to ensure the stationary conveying operation.
  • first conveyed material is compressed in a between the delivery cylinder and discharge tube arranged depressed space with the delivery piston and then that the Grundpfropfen thus formed with the delivery piston with open space by nach Kohlendes to produce a Grundpfropfens and under Pfropfen Struktur condensing conveyed is discharged into the discharge pipe.
  • another, not permeable by the delivery piston pipe section and a pipe section transverse penetrating slide is disposed between the delivery cylinder and the discharge pipe.
  • two delivery cylinders are provided with a subsequent discharge tube, wherein the two in the delivery cylinder penetrating delivery piston can be actuated in push-pull.
  • a pipe section is provided with cross slide. That's it possible to produce the necessary filler plug separately in each discharge pipe.
  • the two cross slides are expediently arranged in lateral and axial distance from each other.
  • each delivery piston is equipped with a position measuring system with which at any time the stroke of the delivery piston can be measured.
  • the discharge lock 8 shown in the drawing is intended for use in tunnel boring machines 1. It has for this purpose an obliquely upwardly directed flange plate 10 and a feed hopper 12, whereby it can be connected to a, equipped with a screw conveyor 2 transport pipe 3 for the costs incurred in the excavation chamber 4 of the tunnel boring machine 1 overburden 5
  • the generally not pumpable Earthy or rocky overburden 5 is fed under a pressure p> P atm due to the pressure through a stone crusher 7 and the feed hopper 12 to the discharge lock 8 and discharged via the discharge pipes 14 against atmospheric pressure P atm for further conveying, for example via a belt conveyor 6.
  • the two arranged in the vicinity of the flange plate 10 hooks 16 serve the assembly and Wartungserieicht ceremonies.
  • the discharge lock 8 has in the embodiment shown two working in push-pull conveyor devices or lock parts 18, which are constructed substantially the same.
  • the two lock parts each contain a filling space 20, which are separated from one another via a dividing wall 22 and can be fed via the common feed hopper 12 with conveyed material.
  • each lock part there is a designed as a plunger delivery piston 24, which is reciprocated by a hydraulic drive cylinder 26 and herverschiebbar.
  • Each delivery piston 24 is axially behind a support cage 28, a bearing tube 30, one of the filling chambers 20, a delivery cylinder 32, an intermediate tube 34 with transverse slide 36 and one of the discharge pipes 14 assigned.
  • the driven in push-pull delivery piston 24 release in its retracted into the bearing tube 30 end position the filling chamber 20 to the feed hopper and penetrate the feed under entrainment of conveyed from the filling chamber 20 into the respective delivery cylinder 32 a.
  • the conveyed material is in the delivery cylinder 32, in the subsequent intermediate tube 34 and the discharge tube 14 to form a plug so compressed that it comes to an airtight seal between the filling chamber 20 and the outside of the outlet opening 38 of the discharge pipe 14 located outside.
  • a plug must first be constructed.
  • the two transverse slide 36 are provided, which are offset from each other for reasons of space in the axial direction.
  • the cross slide brought into its closed position.
  • conveyed material is pressed with the respective delivery piston 24 with reduced feed force against the engaging in the feed path cross slide 36 innertialb of the intermediate tube 34 and thereby compressed under plug formation.
  • the displacement of the delivery piston 24 is monitored with a connected to the hydraulic drive cylinder 26 measuring system 62, 64.
  • the cross slide 36 are opened and the plugs are moved in the subsequent delivery strokes of the delivery piston 24 in the associated discharge pipe 14 until they reach the outlet opening 38.
  • apertures (not shown) with different opening cross sections can be used in the area of the outlet openings.
  • delivery piston 24 and delivery cylinder 32 are sized so that between them a gap for the passage of air between the filling space 20 and intermediate tube 34 remains free.
  • the inner surface of the discharge tube, the intermediate tube and possibly also of the delivery cylinder are equipped with wear strips, which are screwed from the outside through the respective tube wall releasably.
  • the wear strips complement each other in a cross-section.unround, preferably polygonal inner surface.
  • the lateral surface 42 of the delivery piston 24 is formed by an elongated hollow cylinder 44, the free end face is closed by an end plate 46 and in which the hydraulic drive cylinder 26 is located.
  • the cylinder portion 48 of the drive cylinder 26 is articulated at its bottom portion 50 via a hinge 52 at the rear end of the support cage 28 and at its rod end via two support rollers 54, which are an angular distance of 90 ° from each other have, supported on the inner surface of the hollow cylinder 44 and guided.
  • the piston rod 56 of the drive cylinder is articulated via a joint 58 on the inside of the batt 46.
  • the joint axes of the joints 52 and 58 are aligned perpendicular to each other and to the direction of displacement of the piston rod 56.
  • the piston rod 56 has an axis-centered cavity 60 into which a fixed at the bottom end of the cylinder part stainless steel tube 62, which protects a waveguide, engages axially.
  • guide rollers 66 are arranged on the outer tube so as to engage with their running surface 68 through wall openings of the bearing tube in the direction of the lateral surface 42 of the delivery piston.
  • the consisting of an elastomeric material, preferably made of high-tensile polyamide guide rollers 66 are each mounted on a bearing block 70.
  • Each bearing block is hinged at one end to a bearing-solid pivot bearing 72 and screwed at its other end with a spring-loaded screw 74 to the bearing tube 30.
  • the running surface 68 of the guide rollers has a complementary to the lateral surface 42 of the delivery piston 24 concave transverse curvature (Fig. 7c).
  • the guide rollers are arranged in three spaced apart axial positions and in three circumferentially spaced-apart circumferential positions, each circumferential position is equipped with two juxtaposed guide rollers.
  • the delivery piston 24 is dimensioned so that it emerges from the region of the guide rollers 66 located in the rear axial position when entering the delivery cylinder 32.
  • the bearing tube 30 has a sealing cassette 76, which is floatingly clamped between two O-rings 78, 80 in a recess of the bearing tube end with the aid of a clamping ring 82 and is easily replaceable.
  • the sealing cassette 76 has a metallic annular base body 84 which is provided on the inside with circumferential grooves 86 for receiving a radially adjustable scraper 88 and a radially adjustable sealing direction 90 made of elastomeric material.
  • the circumferential grooves 86 for the scraper 88 and for the direction of the seal 90 are limited by an insert ring 94 arranged in an annular recess 92 of the main body 84. As can be seen from FIGS.
  • the wiper 88 and the sealing direction 90 are composed of a plurality of circumferentially divided segments 88 ', 90', which are in each case connected to a radially outer elastomeric ring 96, 98 abut, and indirectly via this with a pressure medium, for example, with fat, can be acted upon.
  • the segments 88 ', 90' of the scraper 88 and the sealing direction 90 have complementary grooves in the circumferential direction for receiving a closed elastomeric retaining ring 104, 106 and are supported in the region of the retaining ring against the associated radially outer sealing ring 96, 98.
  • the sealant segments 90 ' are fixed in the circumferential direction by means of pins 130 inserted into the insert ring 94 via the open-edged recesses 132 in the segments 88' (see FIGS and FIGS. 4a and d).
  • the sealant segments 90 ' have circumferentially overlapping steps 120.
  • the sealant segments 90 ' are composed of two elastomeric segment parts 90 ", 90"' of different hardness.
  • the circumferential grooves 86 for the Abstreifsegmente 88 'and the enemy non-segments 90' can be acted upon by channels 108, 110 in the body independently of each other with pressure medium.
  • the insert ring with annular channels for the pressure medium supply limiting, to an annular surface 116 of the body towards the edge-open circumferential grooves 112, 114th Mistake.
  • the circumferential grooves 112, 114 are sealed against each other and outwardly by sealing rings 118 arranged in adjacent circumferential grooves.
  • Another channel 122 serves to supply a lubricating or rinsing agent.
  • the main body On its inner surface, the main body further circumferential grooves for receiving a Nutrings 124 and an elastomeric guide strip 126.
  • the sealing cassettes 76 can be prefabricated and replaced as a whole.
  • a mounting tube 128 is provided which is pushed in the course of assembly when sliding the seal cassette 76 on the delivery piston 24 from the seal cassette.
  • the invention relates to a device for conveying flowable and pourable conveyed material. It has at least one preferably by hydraulic means 26 reciprocally displaceable delivery piston 24, a delivery piston 24 on its lateral surface 42 axially leading bearing tube 30, an axially adjacent to the bearing tube in the conveying direction, feedable via a feed hopper 12 with material to be conveyed 20 and an axial arranged in the displacement path of the delivery piston 24, on the input side to the filling space 20 and the output side connected to a discharge pipe 14 conveyor cylinder 32.
  • the delivery piston 24 releases in its retracted into the bearing tube 30 end position the filling chamber 20 to the feed hopper 12, while it penetrates the feed space 20 with the entrainment of conveyed material and penetrates into the delivery cylinder 32.
  • the discharge pipe 14 at its end facing away from the delivery cylinder 32 has a free Austrittsöff opening 38 for the conveyed, that between the inner surface of the delivery cylinder 32 and the lateral surface 42 of the penetrated in this delivery piston 24 a gap for the passage of air between the filling chamber 20 and the discharge tube 14 remains free and that in the discharge pipe 14 during the conveying operation a nachg discernarer by nach Wegendes conveyed and ausschaubarer via its outlet opening 38, consisting of compressed conveyed existing airtight plug is formed.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Air Transport Of Granular Materials (AREA)
  • Feeding Of Articles To Conveyors (AREA)
  • General Preparation And Processing Of Foods (AREA)

Claims (15)

  1. Dispositif pour transporter une matière en vrac et à écoulement libre devant être convoyée, comprenant au moins un piston refouleur (24) pouvant, de préférence par des moyens hydrauliques, être animé de coulissements alternatifs ; une tubulure de montage (30) guidant axialement ledit piston refouleur (24) sur la surface (42) de son enveloppe ; un compartiment d'emplissage (20) qui se rattache axialement à la tubulure de montage (30) dans la direction de refoulement et peut, par l'intermédiaire d'un canal ou d'un entonnoir d'amenée (12), être alimenté en matière à convoyer ; et un vérin ou cylindre de convoyage (32) qui est disposé axialement sur le trajet de coulissement du piston refouleur (24), et est raccordé au compartiment d'emplissage (20), côté entrée, et à une tubulure d'évacuation (14) côté sortie, sachant que, dans sa position extrême rétractée dans la tubulure de montage (30), le piston refouleur (24) dégage le compartiment d'emplissage (20) vers le canal ou l'entonnoir d'amenée (12) et que, lors de son avance, il traverse ledit compartiment d'emplissage (20) en entraînant de la matière à convoyer, et pénètre dans ledit vérin ou cylindre de refoulement (32), caractérisé par le fait que la tubulure d'évacuation (14) présente, à son extrémité tournée à l'opposé du vérin ou cylindre de refoulement (32), un orifice (38) de libre sortie de la matière à convoyer ; par le fait qu'il subsiste, entre la surface intérieure du vérin ou cylindre de refoulement (32) et la surface (42) de l'enveloppe du piston refouleur (24) ayant pénétré dans ce dernier, un interstice permettant le passage de l'air entre le compartiment d'emplissage (20) et la tubulure d'évacuation (14) ; et par le fait qu'il peut se former dans ladite tubulure d'évacuation (14), au cours du fonctionnement en mode refoulement, un conglomérat étanche à l'air, constitué par de la matière à convoyer compactée, pouvant se constituer par post-afflux de matière à convoyer, et pouvant être expulsé par l'intermédiaire de l'orifice de sortie (38) de ladite tubulure.
  2. Dispositif selon la revendication 1, caractérisé par le fait que l'orifice de sortie (38) de la tubulure d'évacuation (14) est matérialisé par un diaphragme d'un plus petit diamètre comparativement au diamètre intérieur de ladite tubulure d'évacuation.
  3. Dispositif selon la revendication 2, caractérisé par le fait que le diaphragme est implanté de manière amovible et/ou remplaçable sur la tubulure d'évacuation (14).
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé par le fait que des barrettes d'usure remplaçables sont disposées sur la surface intérieure de la tubulure d'évacuation (14) et/ou du vérin ou cylindre de refoulement (32).
  5. Dispositif selon la revendication 4, caractérisé par le fait que les barrettes d'usure sont fixées, au vérin ou cylindre de refoulement (32) et/ou à la tubulure d'évacuation (14), par des vis traversant la paroi tubulaire depuis l'extérieur.
  6. Dispositif selon la revendication 4 ou 5, caractérisé par le fait que les barrettes d'usure se complètent pour former une surface intérieure de section transversale non circulaire, de préférence polygonale.
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé par le fait qu'un tronçon tubulaire supplémentaire (34) ne pouvant pas être traversé par le piston refouleur (24), ainsi qu'une coulisse (36) s'étendant transversalement dans ledit tronçon tubulaire (34), sont interposés entre le vérin ou cylindre de refoulement (32) et la tubulure d'évacuation (14).
  8. Dispositif selon l'une des revendications 1 à 7, caractérisé par la présence de deux vérins ou cylindres de refoulement (32) auxquels se rattache une tubulure d'évacuation (14).
  9. Dispositif selon la revendication 8, caractérisé par le fait qu'un tronçon tubulaire respectif (34), muni d'une coulisse transversale (36), est interposé entre les vérins ou cylindres de refoulement (32) et la tubulure d'évacuation (14) associée.
  10. Dispositif selon la revendication 9, caractérisé par le fait que les deux coulisses transversales (36) sont agencées à distances latérale et axiale l'une de l'autre.
  11. Dispositif selon l'une des revendications 7 à 10, caractérisé par le fait que des barrettes d'usure remplaçables, agencées avec répartition sur le pourtour et se complétant, de préférence, pour former une surface intérieure polygonale, sont implantées sur la surface intérieure du tronçon tubulaire (34).
  12. Dispositif selon l'une des revendications 1 à 11, caractérisé par le fait qu'un organe séparateur (40) se trouve dans la région de l'orifice de sortie (38), en vue de scinder la partie de la masse compacte repoussée vers l'extérieur lors de la course de refoulement.
  13. Procédé pour évacuer à l'aide d'un sas, à partir d'une chambre de pression (20), une matière à convoyer en vrac et avec écoulement libre, procédé dans lequel un piston refouleur (24) traverse ladite chambre de pression (20) en entraînant de la matière à convoyer pour la faire pénétrer dans un vérin ou cylindre de refoulement (32), puis refoule ladite matière à convoyer jusque dans un espace extérieur, par l'intermédiaire d'un orifice de sortie (38), en lui faisant parcourir une tubulure d'évacuation (14), caractérisé par le fait qu'un conglomérat étanche à l'air, constitué par de la matière à convoyer compactée, est engendré dans la tubulure d'évacuation (14) avant l'orifice de sortie (38), au moins une partie dudit conglomérat étant refoulée vers l'espace extérieur par l'intermédiaire de l'orifice de sortie (38), lors de chaque course de refoulement du piston refouleur (24), par post-afflux de matière à convoyer qui se densifie en formant une masse compacte.
  14. Procédé selon la revendication 13, caractérisé par le fait que la masse compacte est séparée mécaniquement, dans la région de l'orifice de sortie (38), lorsqu'elle sort pour pénétrer dans l'espace extérieur.
  15. Procédé selon la revendication 13 ou 14, caractérisé par le fait que, en vue d'engendrer une masse compacte de base, de la matière à convoyer est tout d'abord compactée, par le piston refouleur (24), dans une chambre intermédiaire (34) isolée par une coulisse et interposée entre le vérin ou cylindre de refoulement (32) et la tubulure d'évacuation (14) ; et par le fait que, dans l'enchaînement, la masse compacte de base ainsi formée est expulsée dans la tubulure d'évacuation (14) par le vérin ou cylindre de refoulement (32), à l'état ouvert de la chambre intermédiaire (34), par post-afflux de matière à convoyer se densifiant en formant un conglomérat.
EP02745395A 2001-07-04 2002-06-19 Dispositif pour transporter un produit a ecoulement libre et en vrac a transporter Expired - Lifetime EP1402181B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10131903A DE10131903A1 (de) 2001-07-04 2001-07-04 Vorrichtung zum Fördern von fließ- und schüttfähigem Fördergut
DE10131903 2001-07-04
PCT/EP2002/006763 WO2003004875A1 (fr) 2001-07-04 2002-06-19 Dispositif pour transporter un produit a ecoulement libre et en vrac a transporter

Publications (2)

Publication Number Publication Date
EP1402181A1 EP1402181A1 (fr) 2004-03-31
EP1402181B1 true EP1402181B1 (fr) 2006-06-07

Family

ID=7690258

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02745395A Expired - Lifetime EP1402181B1 (fr) 2001-07-04 2002-06-19 Dispositif pour transporter un produit a ecoulement libre et en vrac a transporter

Country Status (6)

Country Link
EP (1) EP1402181B1 (fr)
JP (1) JP2004533385A (fr)
AT (1) ATE329154T1 (fr)
DE (2) DE10131903A1 (fr)
ES (1) ES2266526T3 (fr)
WO (1) WO2003004875A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004521977A (ja) 2001-02-13 2004-07-22 シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ 潤滑剤組成物
AR032941A1 (es) 2001-03-05 2003-12-03 Shell Int Research Un procedimiento para preparar un aceite base lubricante y aceite base obtenido, con sus diversas utilizaciones
ES2341566T3 (es) † 2002-02-25 2010-06-22 Shell Internationale Research Maatschappij B.V. Gasoil o componente de mezcla de gasoil.
CN108953137B (zh) * 2018-08-16 2024-04-02 浙江永联民爆器材有限公司 一种无缝钢管静态敏化管路

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1130646A (fr) * 1979-09-14 1982-08-31 Tymen Clay Pompe du type a pistons plongeurs
JPS62107199A (ja) * 1985-11-01 1987-05-18 株式会社小松製作所 シ−ルド掘進機の土砂搬出装置
DE3874126T2 (de) * 1988-05-05 1993-03-18 Wallander Hydropress Co Ab Verfahren zum behandeln von abfall und vorrichtung zum ausfuehren des verfahrens.
DE4228806B4 (de) * 1992-08-29 2004-03-04 Putzmeister Ag Vorrichtung zur Förderung von Dickstoffen
ATE150536T1 (de) * 1993-02-02 1997-04-15 Putzmeister Maschf Verfahren zum fördern von vorzerkleinerten metallschrott oder dergleichen festkörper enthaltenden dickstoffen
DE19524048C2 (de) * 1995-07-01 1998-09-17 Hoppecke Zoellner Sohn Accu Pumpe zur Förderung nicht fließfähiger Medien
DE19643491A1 (de) * 1996-10-22 1998-04-23 Putzmeister Ag Anordnung und Verfahren zur Bestimmung der Fördermenge oder des Massenstroms von mittels einer Kolbendickstoffpumpe transportiertem Fördergut

Also Published As

Publication number Publication date
DE10131903A1 (de) 2003-02-13
DE50207116D1 (de) 2006-07-20
EP1402181A1 (fr) 2004-03-31
WO2003004875A1 (fr) 2003-01-16
ES2266526T3 (es) 2007-03-01
JP2004533385A (ja) 2004-11-04
ATE329154T1 (de) 2006-06-15

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