EP0658653B1 - Vibrationseinbaubohle für einen Strassenfertiger - Google Patents
Vibrationseinbaubohle für einen Strassenfertiger Download PDFInfo
- Publication number
- EP0658653B1 EP0658653B1 EP94119559A EP94119559A EP0658653B1 EP 0658653 B1 EP0658653 B1 EP 0658653B1 EP 94119559 A EP94119559 A EP 94119559A EP 94119559 A EP94119559 A EP 94119559A EP 0658653 B1 EP0658653 B1 EP 0658653B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vibratory
- strip
- screed according
- support arms
- drive
- 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
Links
- 230000006835 compression Effects 0.000 description 13
- 238000007906 compression Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 12
- 238000009434 installation Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 3
- 239000010426 asphalt Substances 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
- E01C19/30—Tamping or vibrating apparatus other than rollers ; Devices for ramming individual paving elements
- E01C19/34—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight
- E01C19/40—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight adapted to impart a smooth finish to the paving, e.g. tamping or vibrating finishers
- E01C19/407—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight adapted to impart a smooth finish to the paving, e.g. tamping or vibrating finishers with elements or parts partly or fully immersed in or penetrating into the material to act thereon, e.g. immersed vibrators or vibrating parts, kneading tampers, spaders
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
- E01C19/4833—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with tamping or vibrating means for consolidating or finishing, e.g. immersed vibrators, with or without non-vibratory or non-percussive pressing or smoothing means
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C2301/00—Machine characteristics, parts or accessories not otherwise provided for
- E01C2301/10—Heated screeds
Definitions
- the invention relates to a vibrating screed for a Asphalt paver, with a vibration unit, which is a large area Vibration element having a soleplate coupled to a vibration drive includes, and with an inclined towards the sole plate Guide plate.
- Asphalt pavers usually include a screed in particular with a basic screed body divided for setting a roof profile, which is usually on each side by a screed and if necessary additionally widened by manually attachable screed parts is.
- the screed can also be used as a so-called "rigid" Construction, i.e. the different installation widths achieved by installing screed extension parts on both sides the basic screed.
- the screed is attached to the paver via two pull arms articulated so that it can float on the material to be installed.
- Ramming vibrating screed can be a combination of a tamper and comprise a vibration device, its tamper and vibration elements are arranged one behind the other in the direction of travel.
- Such a screed is known from EP-B-0 115 567, those with at least two rammers driven by an eccentric shaft is provided, which are arranged one behind the other in the direction of travel and on which is followed by a vibration element comprising a sole plate. Since the vibration drive over the large sole plate is only a small one exerts specific surface pressure on the paving material compressive effect of vibration compared to tamping compression limited. Especially when manufacturing very thin installation layers it can be because of the high compression effect for this installation case the rear tamper in the direction of travel to lift the screed come in the rear area, which affects their compacting effect becomes.
- Vibration unit has a large sole plate in front of one bar connected to the soleplate and provided with a run-in slope is arranged together with the sole plate by a vibration drive is driven.
- screeds are known in which at least a vibrating bar with an inlet slope in the direction of travel is located behind the sole plate of the screed.
- the condensing The effect of the vibrating bars is particularly on uneven surfaces such as. limited when overbuilding ruts because of the vibration bar no fresh paving material can be supplied. This leads to an uneven compression.
- the object of the invention is a vibrating screed to create the type mentioned above, which very high compression of the Paving material causes without lifting the screed in the rear Area, especially in the production of thin installation layers occurs.
- This object is achieved in that between the guide plate and the sole plate of the vibration element with a separate coupled to the vibration drive of the vibration element, provided with an inlet slope Vibration bar is arranged.
- the one provided with an inlet slope Vibration bar arranged in the installation direction in front of the sole plate is, if the resonance frequency of the vibration device is exceeded, i.e. when working in the supercritical area, the stroke of the vibration bar, which is usually less than about 1 mm, essential, for example, increased to about 4 to 5 mm, so that the vibration bar acts like a tamper and its task is thinner, especially when installed Layers can be fulfilled by not putting them on yet Tampers can act on pre-compacted mix to be installed without that there is a risk of digging.
- Vibration element comprising sole plate
- an element with a higher specific surface pressure downstream which leads to an increase in the compression of the Ramming unit leads to pre-compressed paving material.
- An inlet slope on the vibrating bar will both increase the compaction as well as the dosage of the rammer presented Material guaranteed.
- Fig. 1 shows a ramming vibrating screed schematically in side view and partly in section with schematic, neighboring Parts of a paver.
- Fig. 2 shows a vibrating screed schematically in side view and partly in section with schematic, neighboring Parts of a paver.
- the ramming screed 1 shown in Fig. 1 is on draw arms 2 a paver attached to the ramming screed 1 connect to the paver in an articulated and height-adjustable manner.
- the Ramming vibrating screed 1 comprises a ramming unit 3 and a vibrating unit 4th
- the ramming unit 3 comprises a tamper drive 5, one Tamper 6 and thus a ramming bar attached to its lower end 7 drives via an eccentric shaft 8 for a vertical lifting movement.
- the tamping strip 7 is at its front edge with an inlet slope 9 Mistake.
- the ramming screed 1 faces the paving material feeding auger 10 of the paver towards a front wall 11 with a guide plate 12 which is approximately at the same angle as the run-in slope 9 of the tamping strip 7 is inclined downwards and backwards and is flush with the tamping bar 7.
- the ramming bar 7 dosed the installation material supplied by the screw 10 and condenses it.
- the vibration unit 4 comprises one connected to the pull arms 2 Housing 13.
- a front wall 14 of the housing is used for attachment of the ramming unit 3.
- An underside 15 of the housing 13 is with a Sole plate 16 connected such that a vibrating element 17 and a Boiler room 18 are formed.
- a vibratory drive 19 which is a shaft 20 includes, is located above the boiler room 18 in a torsional rigidity elevating tube 21, the at least two angle lever-like Carrier arms 22 connects which lie one behind the other in the plane of the drawing.
- the front side of the support arms 22 in the direction of travel reaches through a opening 23 in the front wall 14 of the housing 13.
- a vibration bar 24 is via a web 25 with the support arms 22 on the in the direction of travel front side connected.
- the vibration drive 19 acts on the Support arms 22 on the one hand on the vibration element comprising the sole plate 16 17 and on the other hand on the vibrating bar 24.
- the vibrating bar 24 has an inlet slope on its front edge 26 and is in the direction of travel of the paver behind the ramming bar 7.
- the height difference Z of the vibrating bar 24 and the ramming bar 7 is infinitely adjustable.
- the inlet slope 9 of the tamping strip 7 is expediently essential steeper than that of the vibrating bar 24.
- the angle of the inlet slope 9 of the tamping strip 7 is advantageously between 30 ° and 70 °, while the angle of the run-in slope 26 of the vibrating bar 24 is advantageously between 10 ° and 30 °.
- the vibration element 17 is on the angle lever-like support arms 22 via bearing 27, which is arranged in the rear area in the direction of travel are rotatably articulated.
- the support arms 22 have an extension 28, which is connected to an adjusting device 29.
- the adjusting device 29 comprises a first compression spring 30, which is guided by a pin 31 connected to the housing 13.
- the Compression spring 30 is supported on a fixed with respect to the pin 31 from a threaded rod 33 connected pressure plate 32.
- the threaded rod 33 is and is guided adjustably in the threaded bore of the extension 28 fixed by means of a lock nut 34.
- a second equally sized compression spring 36 between one Adjusting nut 37 and a pressure plate 38 arranged.
- the adjusting nut 37 sits on the threaded rod 33.
- the pressure plate 38 is firmly seated one end of a further threaded rod 39.
- the axis of rotational symmetry of the Threaded rods 33, 39, the compression springs 30, 36, the adjusting nut 37, the Pressure plates 32, 38 and the lock nuts 34, 35 close in the direction of travel an angle with the horizontal that is made up of the tangent to pivot point 27.
- the adjustment device 29 is on the pin 31 opposite side by a further bracket 40 with the Housing 13 of the vibration unit 4 connected.
- the acting forces are additional by means of the adjustment device divisible.
- the divisibility of the forces is combined with the described deflection of the vibrating element 17 in the rear Area 27 of the support arms 22 allows.
- the lock nut 34 points against a distance X above the pressure plate 32 by the rotation of the threaded rod 33 can be varied with the lock nut 34 loosened. Especially a reduction in the distance X leads to a division of the Support arms 22 imparted forces in favor of the vibrating bar 24 in Comparison to the vibration element 17 including the sole plate 16.
- the preload which can be varied with spindles or hydraulic cylinders leads to the adjustability of the vibrating bar 24 and that Vibrating element 17 total force to be distributed and thus the maximum specific surface pressure acting on the paving material. As a result, the latter can be adapted to the nature of the paving material become.
- the independent adjustability of the respective spring tensions serves at a certain operating frequency of the vibration unit 4, avoidance of resonance while maintaining the aforementioned Spring centering.
- the location of the vibrating bar 24 to the front edge of the soleplate 16 is in the upper position by an elastic adjustable Stop 42, which can be adjustable in its position, limited. This prevents the lower edge of the vibrating bar 24 assume a higher position than the lower edge of the sole plate 16 can. Such a position of the vibration bar 24 would namely adversely affect the surface structure of the built-in layer. Corresponding ones come for example for the elastic stops 42 Rubber buffers or rubber vibrating metal elements in question.
- Compression spring centering of the support arms 22 can also be, for example Use spring centering in the form of a rubber-vibrating metal centering 43.
- the bearings 27 of the support arms 22 in the rear area are also formed as a rubber-vibrating metal elements, but one have very high spring stiffness in both the rotational and radial directions.
- the quasi elastic suspension of the support arms in this way 22 on the screed body 13 (the support arms 22 are each between two cheeks 44 of the screed body 13, which are fastened to the lower plate 15, arranged the cheeks 44 the rubber vibrating metals 27, 43 and optionally 42 for storage, spring centering and the end stop hold) not only leads to a significant reduction in noise during the installation process, but also to a significant increase in compaction, since the stroke of the vibrating bar 24 is thereby significantly for example to about 4 or 5 mm, if you increase the Resonance frequency exceeds.
- the run-in slope 26 on the vibration bar 24 of the embodiment 2 here has an angle of approximately 30 ° to 70 °, correct dosing of the loose mix, i.e. same compression effect with different paving thickness.
- the Width of the vibrating bar 24 can be adjusted to the installation speed become.
- the sole plate 16 can have a slight frontal installation Have inlet slope 45.
- Fig. 1 may be for small Installation strengths the tamper unit 5 and the vibrating unit 4 operated in the supercritical area.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
- Soil Working Implements (AREA)
- Road Signs Or Road Markings (AREA)
Description
Claims (20)
- Vibrationseinbaubohle für einen Straßenfertiger, mit einem Vibrationsaggregat (4), das ein eine großflächige Sohlenplatte (16) aufweisendes, mit einem Vibrationsantrieb (19) gekoppeltes Vibrationselement (17) umfaßt, und mit einem schräg zur Sohlenplatte (16) hin angestellten Führungsblech (12), dadurch gekennzeichnet, daß zwischen dem Führungsblech (12) und der Sohlenplatte (16) des Vibrationselements (17) eine separate, mit dem Vibrationsantrieb (19) des Vibrationselements (17) gekoppelte, mit einer Einlaufschräge (26) versehene Vibrationsleiste (24) angeordnet ist.
- Vibrationseinbaubohle nach Anspruch 1, dadurch gekennzeichnet, daß der Vibrationsantrieb (19) über Tragarme (22) mit der Vibrationsleiste (24) und dem Vibrationselement (17), die sich an den Enden der Tragarme (22) befinden, gekoppelt ist.
- Vibrationseinbaubohle nach Anspruch 2, dadurch gekennzeichnet, daß die Tragarme (22) um in Einbaurichtung im hinteren Bereich angeordnete Lager (27) drehbar gelagert sind.
- Vibrationseinbaubohle nach Anspruch 3, dadurch gekennzeichnet, daß die Lager (27) aus Schwingmetallfedern mit hoher Federsteifigkeit sowohl in Radial- wie in Drehrichtung gebildet sind.
- Vibrationseinbaubohle nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Stellung der Vibrationsleiste (24) elastisch zentriert ist.
- Vibrationseinbaubohle nach Anspruch 4 oder 5, dadurch gekennzeichnet, daß die Zentrierungskraft variierbar ist.
- Vibrationseinbaubohle nach Anspruch 5 oder 6, dadurch gekennzeichnet, daß die Zentrierung eine Federzentrierung ist.
- Vibrationseinbaubohle nach Anspruch 5 oder 6, dadurch gekennzeichnet, daß die Zentrierung eine Gummi-Schwingelemente-Zentrierung ist.
- Vibrationseinbaubohle nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Aufteilung der vom Vibrationsantrieb (19) der Vibrationsleiste (24) und dem Vibrationselement (17) zugeführten Kräfte einstellbar ist.
- Vibrationseinbaubohle nach einem der Ansprüche 2 bis 9, dadurch gekennzeichnet, daß die Tragarme (22) doppelhebelartig ausgebildet sind.
- Vibrationseinbaubohle nach einem der Ansprüche 2 bis 10, dadurch gekennzeichnet, daß die Tragarme (22) jeweils einen Fortsatz (28) besitzen, die federzentriert und/oder zur Aufteilung der vom Vibrationsantrieb (19) der Vibrationsleiste (24) und dem Vibrationselement (17) zugeführten Kräfte verschwenkbar sind.
- Vibrationseinbaubohle nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß die Einlaufschräge (26) der Vibrationsleiste (24) im wesentlichen den gleichen Winkel zur Horizontalen wie das Führungsblech (12) aufweist.
- Vibrationseinbaubohle nach Anspruch 12, dadurch gekennzeichnet, daß die Einlaufschräge (26) der Vibrationsleiste (24) einen Winkel zur Horizontalen von 30° bis 70° aufweist.
- Vibrationseinbaubohle nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß der Vibrationsantrieb bezüglich Frequenz und Amplitude stufenlos einstellbar ist.
- Vibrationseinbaubohle nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, daß ein wenigstens eine zwischen dem Führungsblech (12) und der Vibrationsleiste (24) angeordnete Stampfleiste (7) sowie einen Stampferantrieb (5) aufweisendes Stampfaggregat (3) vorgesehen ist.
- Vibrationseinbaubohle nach Anspruch 15, dadurch gekennzeichnet, daß die Stampfleiste (7) und Vibrationsleiste (24) relativ zueinander höhenverstellbar sind.
- Vibrationseinbaubohle nach Anspruch 15 oder 16, dadurch gekennzeichnet, daß die Einlaufschräge (26) der Vibrationsleiste (24) wesentlich flacher als eine an der Vorderkante der Stampfleiste (7) befindliche Einlaufschräge (9) ist.
- Vibrationseinbaubohle nach Anspruch 16 oder 17, dadurch gekennzeichnet, daß die Einlaufschräge (26) der Vibrationsleiste (24) einen Winkel von 10° bis 30° und die der Stampfleiste (7) von 30° bis 70° aufweist.
- Vibrationseinbaubohle nach einem der Ansprüche 2 bis 18, dadurch gekennzeichnet, daß die Tragarme (22) durch elastische Anschläge (42) in der obersten Stellung begrenzt werden.
- Vibrationseinbaubohle nach Anspruch 19, dadurch gekennzeichnet, daß die elastischen Anschläge (42) einstellbar sind.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4342803 | 1993-12-15 | ||
DE19934342803 DE4342803C1 (de) | 1993-12-15 | 1993-12-15 | Stampfvibrationsbohle |
DE4410537 | 1994-03-26 | ||
DE4410537 | 1994-03-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0658653A1 EP0658653A1 (de) | 1995-06-21 |
EP0658653B1 true EP0658653B1 (de) | 1999-01-13 |
Family
ID=25932107
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94119559A Expired - Lifetime EP0658653B1 (de) | 1993-12-15 | 1994-12-10 | Vibrationseinbaubohle für einen Strassenfertiger |
Country Status (8)
Country | Link |
---|---|
US (1) | US5516231A (de) |
EP (1) | EP0658653B1 (de) |
JP (1) | JP2771123B2 (de) |
CN (1) | CN1054171C (de) |
BR (1) | BR9404997A (de) |
CA (1) | CA2138087C (de) |
DE (1) | DE59407650D1 (de) |
RU (1) | RU2100518C1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29510058U1 (de) * | 1995-06-21 | 1995-11-02 | Joseph Vögele AG, 68163 Mannheim | Deckenfertiger |
DE19625006A1 (de) * | 1996-06-22 | 1998-01-15 | Abg Allg Baumaschinen Gmbh | Verfahren zum Einbauen von Asphaltmischgut |
DE10036784C1 (de) * | 2000-07-28 | 2001-09-20 | Abg Allg Baumaschinen Gmbh | Einbaubohle für einen Straßenfertiger |
US6551018B2 (en) * | 2001-03-29 | 2003-04-22 | Blaw-Knox Construction Equipment Corporation | Apparatus for tamping paving material |
CA2515660A1 (en) * | 2004-08-11 | 2006-02-11 | Dirk Heims | Vibratory paving screed for a paver |
DE102006046250A1 (de) * | 2006-09-28 | 2008-04-03 | Dynapac Gmbh | Einbaubohle für einen Straßenfertiger |
JP4827824B2 (ja) * | 2007-12-01 | 2011-11-30 | 住友建機株式会社 | 舗装機械のタンパ装置における合材侵入防止装置 |
US8371770B1 (en) * | 2012-04-09 | 2013-02-12 | Caterpillar Inc. | Apparatus for tamping paving material |
CN104631289B (zh) * | 2013-11-10 | 2017-07-18 | 陕西中大机械集团有限责任公司 | 一种无振捣路面用压实装置 |
EP3135816A1 (de) * | 2015-08-25 | 2017-03-01 | Ammann Schweiz AG | Bohle für einen strassenfertiger |
CN107386260B (zh) * | 2016-06-14 | 2019-07-30 | 湖州振硕自动化科技有限公司 | 一种电力工程施工用夯实装置 |
DE102017002010A1 (de) * | 2017-03-03 | 2018-09-06 | Dynapac Gmbh | Verfahren zum Betreiben eines Straßenfertigers und Einbaubohle für einen Straßenfertiger |
CN106758705A (zh) * | 2017-03-07 | 2017-05-31 | 陕西中大机械集团有限责任公司 | 摊铺机振捣挡料板 |
CN114293531B (zh) * | 2021-12-29 | 2023-05-30 | 中冶南方城市建设工程技术有限公司 | 匹配路基边坡的斜坡式多功能夯实一体化设备 |
EP4368777A1 (de) | 2022-11-08 | 2024-05-15 | Volvo Construction Equipment AB | Vibrationsantriebsstrang zur herstellung eines estrichkörpers einer estrichvorrichtung eines pflasterers, estrichkörper, estrichvorrichtung und pflasterer |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4502813A (en) * | 1980-12-16 | 1985-03-05 | A/S Phonix, Tagpap Og Vejmaterialer | Asphalt laying machine |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3209989A1 (de) * | 1981-04-07 | 1983-09-29 | Joseph Vögele AG, 6800 Mannheim | Deckenfertiger |
CH655966A5 (de) * | 1981-04-07 | 1986-05-30 | Joseph Voegele Ag | Fahrbarer fertiger. |
DE8300083U1 (de) * | 1983-01-04 | 1983-09-22 | Abg-Werke Gmbh, 3250 Hameln | Einbaubohle fuer einen strassenfertiger |
SU1142568A1 (ru) * | 1983-11-03 | 1985-02-28 | Николаевский Ордена "Знак Почета" Завод "Дормашина" Им.50-Летия Великого Октября | Устройство дл уплотнени дорожно-строительных материалов |
SU1308670A1 (ru) * | 1985-03-27 | 1987-05-07 | Николаевский завод "Дормашина" им.50-летия Великого Октября | Устройство дл уплотнени дорожно-строительных материалов |
US4828428A (en) * | 1987-10-23 | 1989-05-09 | Pav-Saver Manufacturing Company | Double tamping bar vibratory screed |
-
1994
- 1994-12-04 RU RU9494045288A patent/RU2100518C1/ru active
- 1994-12-10 EP EP94119559A patent/EP0658653B1/de not_active Expired - Lifetime
- 1994-12-10 DE DE59407650T patent/DE59407650D1/de not_active Expired - Lifetime
- 1994-12-12 US US08/354,172 patent/US5516231A/en not_active Expired - Lifetime
- 1994-12-13 JP JP6309112A patent/JP2771123B2/ja not_active Expired - Lifetime
- 1994-12-14 CA CA002138087A patent/CA2138087C/en not_active Expired - Lifetime
- 1994-12-14 BR BR9404997A patent/BR9404997A/pt not_active IP Right Cessation
- 1994-12-15 CN CN94119014A patent/CN1054171C/zh not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4502813A (en) * | 1980-12-16 | 1985-03-05 | A/S Phonix, Tagpap Og Vejmaterialer | Asphalt laying machine |
Also Published As
Publication number | Publication date |
---|---|
RU2100518C1 (ru) | 1997-12-27 |
RU94045288A (ru) | 1996-10-10 |
CN1112625A (zh) | 1995-11-29 |
US5516231A (en) | 1996-05-14 |
EP0658653A1 (de) | 1995-06-21 |
JPH07197416A (ja) | 1995-08-01 |
BR9404997A (pt) | 1995-08-08 |
CA2138087A1 (en) | 1995-06-16 |
JP2771123B2 (ja) | 1998-07-02 |
DE59407650D1 (de) | 1999-02-25 |
CN1054171C (zh) | 2000-07-05 |
CA2138087C (en) | 1999-03-23 |
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