EP0006621B2 - Appui oscillant et à glissement pour ponts et ouvrages d'art analogues comprenant une plaque supérieure, une plaque intermédiaire et une plaque inférieure et procédé pour revêtir la surface courbée de la plaque inférieure de ces appuis - Google Patents
Appui oscillant et à glissement pour ponts et ouvrages d'art analogues comprenant une plaque supérieure, une plaque intermédiaire et une plaque inférieure et procédé pour revêtir la surface courbée de la plaque inférieure de ces appuis Download PDFInfo
- Publication number
- EP0006621B2 EP0006621B2 EP79102161A EP79102161A EP0006621B2 EP 0006621 B2 EP0006621 B2 EP 0006621B2 EP 79102161 A EP79102161 A EP 79102161A EP 79102161 A EP79102161 A EP 79102161A EP 0006621 B2 EP0006621 B2 EP 0006621B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- steel sheet
- bearing
- lower plate
- plate
- sheet disk
- 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
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/042—Mechanical bearings
- E01D19/046—Spherical bearings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49636—Process for making bearing or component thereof
- Y10T29/49641—Linear bearing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49636—Process for making bearing or component thereof
- Y10T29/49643—Rotary bearing
- Y10T29/49647—Plain bearing
Definitions
- the invention relates to a method for lining the concavely curved upper side of the lower plate of a bearing enabling tilting movements of a bridge superstructure or the like by inserting a corrosion-resistant steel plate disk ground on its sliding surface, and furthermore to a bearing lined according to such a method, which has an upper plate, a lower plate and has an intermediate plate.
- the sliding surface in the spherical plane is conventionally designed in such a way that there is a friction combination of PTFE and hard chrome.
- the PTFE layer polytetrafluoroethylene layer
- the curvature of the underside of the intermediate plate «spherical cap»
- German laid-open specification 19 59 964 describes a tilting slide bearing in which one or more layers of friction-reducing material are said to be attached between the concavely curved upper side of its lower plate and the correspondingly convexly curved surface of the intermediate bearing part.
- these friction-reducing intermediate layers are applied and where they are to be attached.
- nothing is described about lining the concavely curved upper side of the lower plate with a corrosion-resistant protective layer, quite apart from how something like this could happen.
- German design specification 12 61 153 describes a swivel joint for structural parts designed for tilting movements, in which a film made of resilient spring steel sheet made of spring steel can be introduced as a component of a multilayered support onto the cylindrically curved lower swivel surface.
- the lining of this rotary surface takes place in such a way that this multilayer support is effected by means of single hold-down brackets made of narrow sheet metal strips, these hold-down brackets being fastened at their ends and causing the support to be held down over their convex curvature lying between the fasteners.
- the metal strips designed as hold-down brackets are arranged along the entire length of the cylindrical bearing washer with relatively large gaps to one another, which may result in a satisfactory hold-down locally, but the desired good contact of the support over the entire bearing surface is not ensured.
- the use of such hold-down sheet metal strips seems possible with cylindrical-shaped bearing surfaces, but should certainly be ruled out for spherically shaped bearing surfaces.
- the Swiss patent specification 4 21 167 shows a method according to the preamble of claim 1, in which the concavely curved upper side of the lower plate is already lined by inserting a corrosion-resistant steel plate disc that is ground on its sliding surface (CH-A-4 21 167, p. 2 , Lines 5-8, in conjunction with subclaim 4).
- this publication does not describe how the method for lining this bearing is to be carried out in detail by inserting the sheet steel plate into the curved upper side of the lower plate. It is only mentioned that the sheet steel plate can be cast, welded, placed on or flattened onto the curved surface.
- the present invention seeks to develop a method according to the preamble of claim 1 so that the lining of the concave surface of the lower plate allows quick and easy and durable and appropriate to the material and thereby a particularly firm and tight fit on the steel sheet the document is always ensured. Furthermore, the invention has for its object to find a bearing lined by such a method, which is economical to manufacture and easy to assemble.
- the object underlying the invention is achieved in a method according to the preamble of claim 1 in that the sheet steel plate bulges with a slight over-molding in its center before insertion onto the lower plate and, after insertion, presses along its circumference against the curved upper side of the lower plate becomes.
- the method according to the invention can be carried out simply and quickly, and any suitable fastening option can be provided as a fastening for pressing the circumference of the sheet steel disc against the upper side of the lower plate.
- the pressing of the circumference of the sheet steel plate is advantageously carried out by screwing and / or tensioning.
- a bearing lined according to the method according to the invention has an upper plate, a lower plate and an intermediate plate.
- the steel sheet disc is clamped on its circumference from the outside by means of a retaining ring fastened to the lower plate against the upper side of the lower plate, the inner surface of which, again preferably, can have a bevel which is against a correspondingly designed bevel on the outer circumference of the sheet steel plate presses and thereby presses the pane firmly onto its seat.
- the slope of the retaining ring merges at the top into a radially inward projection, against which the upper peripheral edge of the sheet steel disc bears.
- Another advantageous embodiment of the bearing according to the invention also consists in that the retaining ring braces the sheet steel plate against the lower plate from above via a rounded inner bead.
- a correspondingly large or variable pressing force can be applied in a simple manner by a corresponding variation in the number of pressure screws against the steel plate disk to be clamped.
- the steel plate is advantageously made of austenitic steel plate with a thickness of at least 0.75 mm and at most 5 mm, whereby the chromium-nickel-molybdenum alloy is particularly preferred as the austenitic steel plate, preferably an alloy of material number 1 4401 according to DIN 17 440 (material designation: X 5 Cr Ni Mo 18 10), recommended.
- a material covering is attached to the underside of the intermediate plate facing the curved steel sheet disc
- this is selected from polytetrafluoroethylene (PTFE) to improve the frictional conditions in the spherical cap friction surface and with lubricant-filled lubrication pockets on its surface facing the steel sheet disc Mistake.
- PTFE polytetrafluoroethylene
- the measures according to the invention enable a considerable reduction in the throughput times in the manufacture of such bearings, since, because of the pre-deformation of the steel sheet support which is separate from the other bearing manufacture, the creation and machining of the individual parts can take place in parallel.
- Another very inexpensive factor is the fact that the preformed arched supports to be used according to the invention (mostly designed as partial spherical disks) can be obtained commercially without difficulty as a purchased part.
- the invention is characterized by a special simplicity of the lining, the use of commercially available bearing plates ground and polished on one side and any kind of post-processing of the concave curved sliding surface of the steel plate disk, which is designed as a bearing surface, is completely avoided; because the commercially available steel sheets already have the prescribed surface quality.
- the bearings according to the invention can be produced quickly and with a particularly high degree of uniformity, with the lateral deflections to be absorbed by the flat sliding surface of the top plate being smaller than, for example, in the case of a generic movement of the superstructure, and also the load introduction into the bearing due to the center shift behavior of the center of gravity can be kept cheaper than the generic tilting slide bearing.
- an upper plate 1 can be seen, which is flat on its underside and is provided with a good corrosion-resistant bearing layer 2.
- This support layer 2 can consist of a suitable stainless steel sheet as well as a hard chrome layer.
- the intermediate plate 4 of the bearing is flat on its upper side and there has a PTFE layer in a chambered receptacle, which protrudes slightly beyond the flat surface of the intermediate plate 4 and is in (frictional) contact with the support 2 on the upper plate 1.
- the intermediate plate 4 is spherically curved on its underside, in the exemplary embodiment shown it is spherical.
- This “anti-corrosion layer” is designed in the form of a disc 6 that bulges out in accordance with the concave configuration of the curved surface of the lower plate 7, which in the example shown is provided with an adhesive layer 10 (FIG. 2) on the lower plate 7 and additionally in its edge region via holes 12 (FIG 3) recessed countersunk screws 9 (Fig. 1 or Fig. 2) is attached.
- the lower plate 7 in turn is then arranged on a suitable foundation 8, which is not shown in FIG. 1.
- the chambered PTFE friction layer 5 is provided in the curved lower surface of the intermediate plate 4 on its side facing the lower plate with lubricant-filled lubrication pockets 11, by means of which permanent lubrication of the spherical sliding surface can be ensured.
- the round shape shown in FIG. 3 for a disk 6 represents only one possible embodiment of such a disk.
- the retaining ring 13 which is clamped by screws 9 'on the lower plate 7, is provided with a bevel 14 on the inside at the bottom, which bears against a corresponding bevel at the end of the layer 6. If the retaining ring 13 is now tightened against the lower plate 7 by means of the screws 9 ', then, due to the wedge action between the bevels of the retaining ring 13 and the shell 6, the shell 6 is increasingly braced against the lower plate 7 until a complete adaptation to the base and there is an absolutely tight fit.
- the retaining ring 13 in the exemplary embodiment according to FIG. 5 in turn has a bevel 14 on the inside on the inside, which, however, this time is not (as in the exemplary embodiment according to FIG. 4) significantly longer than the bevel of the bulging disk 6; rather, here the slope 14 goes directly on the upper outer edge of the curved disc 6 into a radially inwardly projecting shoulder 15 of the retaining ring 13, so that when the retaining ring 13 is screwed onto the lower plate 7, on the one hand the wedge effect is exerted over the slope 14 (similar to the example according to FIG. 4), but at the same time due to that between the slope 14 and the projection 15 trained angle prevents a deflection of the disc 6 upwards by abutting the projection 15 and thereby additionally pressing the end of the disc 6 onto the system is achieved there.
- the bulging disc 6 is preformed in the illustrated embodiments before it is applied to the base plate 7 such that a slight overmolding is formed in its center (i.e. the radius of curvature there is somewhat smaller than the corresponding radius of curvature on the base plate 7). If the arched disc 6 preformed in this way is then placed on the lower plate 7, the end region of the plate 6 protrudes somewhat from the associated contact surface. This protrusion is then broken down again by mechanical pressing via the retaining ring 13, which not only leads to the end region of the disk 6 also resting against the receiving surface on the lower plate 7, but at the same time also builds up tension within the plate 6 in such a way that a particularly firm and full contact of the disc 6 on the base 7 is ensured.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sliding-Contact Bearings (AREA)
- Bridges Or Land Bridges (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Bolts, Nuts, And Washers (AREA)
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT79102161T ATE152T1 (de) | 1978-07-04 | 1979-06-28 | Kippgleitlager fuer bruecken oder aehnliche bauwerke, mit ober-, zwischen- und unterplatte, und verfahren zum auskleiden der gekruemmten oberseite der unterplatte solcher kippgleitlager. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2829309A DE2829309B2 (de) | 1978-07-04 | 1978-07-04 | Verfahren zum Auskleiden der Konkav gewölbten Oberseite der Unterplatte eines Kippbewegungen eines Brückenüberbaus o.dgl. ermöglichenden Lagers und nach diesem Verfahren ausgekleidetes Lager |
DE2829309 | 1978-07-04 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0006621A1 EP0006621A1 (fr) | 1980-01-09 |
EP0006621B1 EP0006621B1 (fr) | 1981-08-12 |
EP0006621B2 true EP0006621B2 (fr) | 1986-05-28 |
Family
ID=6043503
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP79102161A Expired EP0006621B2 (fr) | 1978-07-04 | 1979-06-28 | Appui oscillant et à glissement pour ponts et ouvrages d'art analogues comprenant une plaque supérieure, une plaque intermédiaire et une plaque inférieure et procédé pour revêtir la surface courbée de la plaque inférieure de ces appuis |
Country Status (9)
Country | Link |
---|---|
US (1) | US4320549A (fr) |
EP (1) | EP0006621B2 (fr) |
JP (1) | JPS5815561B2 (fr) |
AT (1) | ATE152T1 (fr) |
AU (1) | AU527033B2 (fr) |
CA (1) | CA1133973A (fr) |
DE (1) | DE2829309B2 (fr) |
NZ (1) | NZ190908A (fr) |
ZA (1) | ZA793188B (fr) |
Families Citing this family (64)
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DE3040181C2 (de) * | 1980-10-22 | 1985-11-14 | Gerb Gesellschaft für Isolierung mbH & Co KG, 1000 Berlin | Elastisches Lagerungselement |
FR2502222A1 (fr) * | 1981-03-20 | 1982-09-24 | Electricite De France | Cheminee, notamment tour de refrigerant atmospherique |
JPS5947104A (ja) * | 1982-09-07 | 1984-03-16 | Ikegai Corp | 工具ホルダ |
GB8408248D0 (en) * | 1984-03-30 | 1984-05-10 | Ae Plc | Structural bearing assembly |
US4644714A (en) * | 1985-12-02 | 1987-02-24 | Earthquake Protection Systems, Inc. | Earthquake protective column support |
FR2614329B1 (fr) * | 1987-04-23 | 1991-05-24 | Creation Mecanique Appliquee | Dispositif de liaison intermediaire entre un tablier de pont et ses piliers de soutien. |
DE59204850D1 (de) * | 1992-01-17 | 1996-02-08 | Siemens Ag | Nassläuferpumpe |
JPH0666319A (ja) * | 1992-06-19 | 1994-03-08 | Nippon Thompson Co Ltd | 転がり案内ユニット及びその製造方法 |
IT1271242B (it) * | 1994-10-04 | 1997-05-27 | Fip Ind | Dispositivo di appoggio a calotta sferica, antiscalottamento particolarmente studiato per vincolare ponti, viadotti, edifici e simili |
US6115972A (en) * | 1996-04-09 | 2000-09-12 | Tamez; Federico Garza | Structure stabilization system |
AU720244B2 (en) * | 1997-02-14 | 2000-05-25 | Nippon Pillar Packing Co., Ltd. | Pile foundation structure |
US6021992A (en) * | 1997-06-23 | 2000-02-08 | Taichung Machinery Works Co., Ltd. | Passive vibration isolating system |
NL1008614C1 (nl) * | 1998-03-17 | 1999-09-20 | Bouwdienst Rijkswaterstaat | Oplegging. |
US6289640B1 (en) * | 1999-07-09 | 2001-09-18 | Nippon Pillar Packing Co., Ltd. | Seismic isolation sliding support bearing system |
US6324795B1 (en) | 1999-11-24 | 2001-12-04 | Ever-Level Foundation Systems, Inc. | Seismic isolation system between floor and foundation comprising a ball and socket joint and elastic or elastomeric element |
US6554542B2 (en) * | 2000-04-10 | 2003-04-29 | Shimizu Construction Co., Ltd. | Stress transmission device, and structure and method of constructing the same |
US6631593B2 (en) * | 2000-07-03 | 2003-10-14 | Jae Kwan Kim | Directional sliding pendulum seismic isolation systems and articulated sliding assemblies therefor |
NZ524611A (en) * | 2003-03-07 | 2005-09-30 | Robinson Seismic Ltd | Bearing assembly with sliding member between upper and lower bearing seats with elastic self-centering sleeve around seats |
US7856773B2 (en) * | 2003-07-24 | 2010-12-28 | Wagdy Agaiby | All-in-one modular construction system |
CN100362169C (zh) * | 2004-04-29 | 2008-01-16 | 同济大学 | 球型-铅芯阻尼钢支座 |
US7237364B2 (en) * | 2004-07-02 | 2007-07-03 | Chong-Shien Tsai | Foundation shock eliminator |
EP1715112A3 (fr) | 2005-04-21 | 2006-11-02 | Aktiebolaget SKF | Unité d'amortissement avec fréquence propre d'oscillation |
WO2006118525A1 (fr) * | 2005-05-02 | 2006-11-09 | Aktiebolaget Skf | Unite d’amortissement d’oscillations de frequence propre |
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US20070044395A1 (en) * | 2005-08-24 | 2007-03-01 | Lyan-Ywan Lu | Seismic isolator with variable curvature |
US7543791B2 (en) * | 2005-10-19 | 2009-06-09 | Brown University | Tunable inverse pendulum vibration isolation system |
DE102005060375A1 (de) * | 2005-12-16 | 2007-06-21 | Steelpat Gmbh & Co. Kg | Gleitpendellager |
TW200823387A (en) * | 2006-11-28 | 2008-06-01 | Chung-Shing Tsai | Shock isolator |
US8011142B2 (en) * | 2007-02-06 | 2011-09-06 | Alga S.P.A. | Sliding pendulum seismic isolator |
ITMI20071434A1 (it) * | 2007-07-17 | 2009-01-18 | Cvi Engineering S R L | Cuscinetto a strisciamento per l'ingegneria strutturale e materiali per lo stesso |
US9175490B2 (en) * | 2007-10-12 | 2015-11-03 | Takanori Sato | Seismic isolation apparatus and structure having seismic isolation apparatus |
CN101530739B (zh) * | 2008-03-14 | 2011-12-28 | 同方环境股份有限公司 | 一种用于脱硝反应器的自调式支座 |
US8006339B1 (en) * | 2009-03-27 | 2011-08-30 | Jeffery W Bennett | Prefabricated articulating pier cap |
US8973887B2 (en) * | 2009-04-27 | 2015-03-10 | Nippon Steel & Sumikin Engineering Co., Ltd. | Slide structure, support structure and seismically isolated structure |
US20100005754A1 (en) * | 2009-08-06 | 2010-01-14 | Charles Edward Weber | Seismic Isolation to Protect Buildings |
KR100991349B1 (ko) | 2010-03-05 | 2010-11-02 | 김동민 | 라멘 교량 구조의 제조방법 |
US8499395B2 (en) * | 2010-09-10 | 2013-08-06 | Neil W. Wallerstrom | Damage resistant bridge construction |
IT1404858B1 (it) * | 2011-02-21 | 2013-12-09 | Milano Politecnico | Supporto anti-sismico. |
CN102251489A (zh) * | 2011-04-21 | 2011-11-23 | 衡水橡胶股份有限公司 | 一种为曲面钢支座补充润滑剂的方法及配套曲面钢支座 |
JP2014525523A (ja) * | 2011-08-11 | 2014-09-29 | シェック・バウタイレ・ゲー・エム・ベー・ハー | 断熱目的の構造要素 |
US9121421B2 (en) * | 2011-11-23 | 2015-09-01 | Elekta Ab (Publ) | Interface and support mechanism |
TWM426684U (en) * | 2011-12-09 | 2012-04-11 | Xun-Ren Zhuang | Seismic isolation bearing |
KR101256829B1 (ko) * | 2012-06-21 | 2013-04-23 | (주)알티에스 | 스페리컬 베어링 및 이를 위한 플라스틱 구면블록 |
US9284980B1 (en) * | 2012-11-06 | 2016-03-15 | Us Synthetic Corporation | Heavy load bearings and related methods |
US9097027B2 (en) | 2013-03-15 | 2015-08-04 | EQX Global LLC | Systems and methods for providing base isolation against seismic activity |
US8926180B2 (en) | 2013-03-18 | 2015-01-06 | R. J. Watson, Inc. | Disc and spring isolation bearing |
DE102013104064A1 (de) * | 2013-04-22 | 2014-10-23 | Maurer Söhne Engineering GmbH & Co. KG | Bauwerkslager |
US8789320B1 (en) | 2013-07-18 | 2014-07-29 | R. J. Watson, Inc. | Large displacement isolation bearing |
EP2865808A1 (fr) * | 2013-10-23 | 2015-04-29 | Siemens S.A.S. | Voie de roulement continue sur ouvrage viaduc |
US9869084B2 (en) * | 2014-10-14 | 2018-01-16 | Emeh, Inc. | Stair expansion joint system with freedom of movement between landings |
CN105509026A (zh) * | 2015-06-10 | 2016-04-20 | 无锡华光锅炉股份有限公司 | 一种用于锅炉省煤器支撑梁的滑动支承结构 |
CN105113390A (zh) * | 2015-09-22 | 2015-12-02 | 铁道第三勘察设计院集团有限公司 | 桥梁耐候钢支座 |
DE102015221864A1 (de) * | 2015-11-06 | 2017-05-11 | Maurer Söhne Engineering GmbH & Co. KG | Bauwerkslager |
ITUB20160880A1 (it) * | 2016-02-19 | 2017-08-19 | Modula S P A | Dispositivo per l'isolamento sismico di strutture |
RU180825U1 (ru) * | 2017-05-25 | 2018-06-26 | Общество с ограниченной ответственностью "Альфатех" | Опорная часть моста |
RU176296U1 (ru) * | 2017-06-26 | 2018-01-16 | Общество с ограниченной ответственностью "Альфатех" | Опорная часть моста |
CN107245943B (zh) * | 2017-08-15 | 2018-05-22 | 四川大学 | 可转换抗震模式的减震支座及减震桥梁装置 |
RU181699U1 (ru) * | 2017-12-01 | 2018-07-26 | Общество с ограниченной ответственностью "Альфатех" | Опорная часть моста |
RU183977U1 (ru) * | 2018-07-16 | 2018-10-11 | Общество с ограниченной ответственностью "Альфатех" | Шаровой сегмент |
DE102018117712A1 (de) * | 2018-07-23 | 2020-01-23 | Schreiber Brücken Dehntechnik GmbH | Gleitlager im Bauwesen |
CN109747773A (zh) * | 2018-12-05 | 2019-05-14 | 大连中远海运重工有限公司 | 支撑fpso上部模块的球型轴承安装方法 |
KR102027794B1 (ko) * | 2019-01-03 | 2019-10-04 | 아이컨 주식회사 | 마찰판의 이탈 및 손상이 방지된 교량 받침 |
RU2730231C1 (ru) * | 2019-06-25 | 2020-08-19 | Илья Михайлович Шаферман | Устройство и способ изготовления опорной части |
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DE7820069U1 (de) * | 1978-07-04 | 1978-10-12 | Glacier Gmbh Deva Werke, 3570 Stadt Allendorf | Kippgleitlager fuer bruecken oder aehnliche bauwerke |
-
1978
- 1978-07-04 DE DE2829309A patent/DE2829309B2/de not_active Ceased
-
1979
- 1979-06-26 ZA ZA793188A patent/ZA793188B/xx unknown
- 1979-06-28 AT AT79102161T patent/ATE152T1/de not_active IP Right Cessation
- 1979-06-28 EP EP79102161A patent/EP0006621B2/fr not_active Expired
- 1979-06-29 AU AU48515/79A patent/AU527033B2/en not_active Ceased
- 1979-07-03 CA CA331,009A patent/CA1133973A/fr not_active Expired
- 1979-07-03 NZ NZ190908A patent/NZ190908A/xx unknown
- 1979-07-04 JP JP54084895A patent/JPS5815561B2/ja not_active Expired
- 1979-07-05 US US06/054,916 patent/US4320549A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU527033B2 (en) | 1983-02-10 |
NZ190908A (en) | 1982-12-21 |
EP0006621B1 (fr) | 1981-08-12 |
US4320549A (en) | 1982-03-23 |
ZA793188B (en) | 1980-06-25 |
EP0006621A1 (fr) | 1980-01-09 |
ATE152T1 (de) | 1981-09-15 |
DE2829309A1 (de) | 1980-01-17 |
JPS559999A (en) | 1980-01-24 |
DE2829309B2 (de) | 1980-08-07 |
AU4851579A (en) | 1980-01-10 |
CA1133973A (fr) | 1982-10-19 |
JPS5815561B2 (ja) | 1983-03-26 |
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