EP3827127A1 - Gleitlager im bauwesen - Google Patents
Gleitlager im bauwesenInfo
- Publication number
- EP3827127A1 EP3827127A1 EP19746055.3A EP19746055A EP3827127A1 EP 3827127 A1 EP3827127 A1 EP 3827127A1 EP 19746055 A EP19746055 A EP 19746055A EP 3827127 A1 EP3827127 A1 EP 3827127A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sliding
- bearing
- over
- bearing elements
- mpa
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000000463 material Substances 0.000 claims abstract description 149
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 40
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 40
- 238000012360 testing method Methods 0.000 claims abstract description 36
- 230000007774 longterm Effects 0.000 claims abstract description 35
- 239000004642 Polyimide Substances 0.000 claims abstract description 30
- 229920001721 polyimide Polymers 0.000 claims abstract description 30
- 238000003825 pressing Methods 0.000 claims abstract description 14
- 238000012986 modification Methods 0.000 claims description 12
- 230000004048 modification Effects 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 12
- 239000000806 elastomer Substances 0.000 description 9
- 229920001971 elastomer Polymers 0.000 description 9
- 238000013461 design Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 241001598984 Bromius obscurus Species 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/20—Sliding surface consisting mainly of plastics
- F16C33/201—Composition of the plastic
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
- F16C2208/30—Fluoropolymers
- F16C2208/32—Polytetrafluorethylene [PTFE]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
- F16C2208/40—Imides, e.g. polyimide [PI], polyetherimide [PEI]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2350/00—Machines or articles related to building
Definitions
- the invention relates to the use of a sliding material in a sliding bearing for buildings according to the preamble of claim 1 and a sliding bearing for buildings according to the
- Generic plain bearing, to which the present invention relates is the content of the standard EN 1337-2: 2004 in the disclosure content of the present
- Structural slide bearings to which the standard EN 1337 refers, and in earthquake slide bearings, which, for earthquake-proof construction, involve horizontal movement of a building relative to the
- Sliding material is basically approved in the USA
- the present invention is therefore based on the object to at least partially remedy the problems that arise with the generic use of sliding materials in sliding bearings and / or to provide a sliding bearing that at least partially eliminates the described problems of generic sliding bearings.
- the sliding material consists of at least 60% by weight of PTFE, in particular between 60% and 90% by weight of PTFE.
- the invention relates to the use of a sliding material in a sliding bearing for buildings, which comprises two bearing elements, which are in the sliding bearing within a relative range of movement of the bearing elements
- Bearing elements is fixed in position and is arranged between the bearing elements such that it is in sliding contact with the second of the two bearing elements within the entire relative range of motion of the two bearing elements.
- Bearing elements are thus spaced apart from one another in a vertical direction by the sliding element and are in each case in contact with the sliding element.
- the first bearing element bears against the sliding element and is fixed in position therewith, the second bearing element bears against the sliding element with its side facing the sliding element, which is thus designed as a sliding side of the second bearing element.
- the two bearing elements can be moved relative to one another in the entire relative range of movement of the bearing elements.
- the sliding element is preferably circumferentially surrounded horizontally by the first bearing element and lies with a first vertical side on the first Bearing element, wherein the second bearing element bears on the second vertical side of the sliding element opposite the first bearing element on the sliding element.
- the sliding element lies flat and continuously on the first bearing element and is continuously surrounded by the first bearing element, and preferably the first bearing element lies with its portion that
- the sliding element Encloses sliding element, circumferentially around the sliding element on the sliding element.
- the sliding element is thus preferably chambered in the first bearing element, whereby a
- the bearing element is preferably made of steel, and the second bearing element is preferably made of stainless steel.
- the sliding element consists of a first and a second vertical section, both of which are integral with the
- the first vertical section is enclosed by the first bearing element over its vertical extent and the sliding element with the second vertical section protrudes vertically above the first bearing element, so that the first bearing element does not lie horizontally next to the second vertical section of the sliding element extends, wherein preferably the first vertical section has a vertical extension between 2 mm and 6 mm, preferably between 3 mm and 5 mm and the second vertical section has a vertical extension between 3 mm and 8 mm, preferably between 4 mm and 6 mm.
- the sliding element is preferably over at least 30%, preferably over at least 50%, of its vertical
- the sliding element projects vertically beyond the first bearing element by at least 10%, in particular at least 30%, of its vertical extent, or the second bearing element and the first bearing element overlap vertically within the horizontal one
- Bearing element extends without being in vertical contact with the second bearing element. It is general
- the side facing the sliding side of the second bearing element is flat or curved, the sliding side corresponding to this side of the
- Use relates to the implementation of the plain bearing for an application area in which the bearing elements have an added total sliding path to one another of over 20,000 m, in particular over 50,000 m, in particular over 70,000 m, in particular over 80,000 m, with a pressing pressure
- the sliding material consists of 10% to 40% by weight of polyimide, in particular 15% to 25% by weight of polyimide, and the sliding material has material properties such that it can be used in a long-term sliding friction test, which according to point D.6.2 the standard EN 1337-2: 2004 is carried out with only the
- a plain bearing can be realized that can withstand extreme loads can typically occur when used in buildings, can withstand and that the sliding material exhibits very little wear.
- Sliding material are particularly advantageous, in particular with respect to the possible total sliding path added together with high contact pressure.
- the invention thus enables on the one hand the realization of a plain bearing that is maintenance-free for an extremely long time because it is for one
- the area of application is suitable in which the bearing elements cover an added total sliding path to one another of over 20,000 m, in particular over 50,000 m, in particular over 70,000 m, in particular over 80,000 m.
- the total sliding path of the two bearing elements in the sliding bearing to one another is defined by the addition of the movements of the
- Sliding elements exert a pressing pressure against each other of over 50 MPa while they slide against each other in the sliding bearing
- the suitability therefore relates to the fact that the plain bearing even after an added total sliding path of over 20,000 m, in particular over 50,000 m, in particular over 70,000 m, in particular over 80,000 m of the two
- the sliding material particularly preferably has material properties such that the vertical extension of the sliding material after an added total sliding path of 50,154 m with a load on the sliding material in accordance with the above-mentioned long-term test of standard 1337-2: 2004 with the only modification that a contact pressure on the Sliding material of 60 MPa is applied, more than 30%, especially more than 40% of the
- the vertical extension is the extension in the Direction in which the pressing pressure acts during the long-term test. Because when used in a plain bearing
- bearing elements is pressed, the bearing elements are thus vertically spaced from one another and its vertical extent is in the m-range, in particular 5-30 mm, so when the sliding material is used in a plain bearing, the plain bearing retains its required properties even after a correspondingly long total sliding path because a vertical
- a sliding material a vertical extension, d. H. vertical thickness, which is between 5 mm and 15 mm, preferably between 6 mm and 10 mm, preferably 8 mm.
- the sliding material is produced in the geometric shape provided for the sliding element or the sliding material is first produced as a plate with the corresponding vertical thickness, from which the sliding element is then formed,
- the intended thickness of 5 mm to 15 mm, preferably 6 mm to 10 mm, preferably 8 mm has proven to be special it is advantageously emphasized, since this makes it particularly preferred to use a sliding material with the material according to the invention
- the sliding material is particularly preferably produced by mixing a PTFE powder and a polyimide powder with the stated percentages in a first working step until a homogeneous mixture of the powders is achieved, after which this homogeneous powder mixture is then pressed and sintered , Preferably, only after sintering are the lubrication pockets mandatory in the described standard imprinted on the sliding material so that it acts as a sliding element in a sliding bearing as explained
- the background is that, thanks to the properties of the sliding material used, the two bearing elements can be exposed to an extremely high pressing pressure against each other and thus the sliding element can be exposed to a very high pressing pressure between the sliding bearings without causing excessive friction between the sliding element and the second Bearing element comes and without the sliding element wearing too much.
- the invention is thus based on the targeted selection of the admixture of polyimide to PTFE in the percentage range mentioned, the inventors through extensive long-term and
- the sliding material enables the realization of a plain bearing with the properties mentioned. It has turned out to be particularly preferred to manufacture the sliding material in such a way that it is over 95%, in particular over 99%
- the ratio of PTFE to polyimide in particular between 3/2 and 9/1, in particular between 3/1 and 6/1, being particularly advantageous for the use of the sliding material for realizing the sliding bearing described.
- the sliding material has material properties such that it is used in a long-term sliding friction test which is carried out in accordance with D.6.2 of the standard EN 1337-2: 2004 with only the
- Sliding material of at least 60 MPa, in particular of 90 MPa is applied, and an average sliding speed over the added total sliding path of 0.4 / s is applied, in accordance with the requirements for its coefficient of friction
- Sliding material can be realized by the described mixture of PTFE with polyimide.
- the sliding material has material properties such that it is still included in a long-term sliding friction test that is carried out in accordance with D.6.2 of the standard EN 1337-2: 2004 with only the modifications specified above for the embodiments according to the invention Standard for the long-term test at a storage temperature of -35 ° C meets the required coefficient of friction if, instead of a storage temperature of -35 ° C
- the sliding material has a characteristic value of its compressive strength according to the table 10 of the EN 1337-2: 2004 standard of over 150 MPa, in particular of at least 180 MPa.
- the invention further relates to a plain bearing for buildings for an application in which the bearing elements of
- the bearing according to the invention comprises two bearing elements which are in the slide bearing within one
- Relative range of motion of the bearing elements are movably guided to each other, wherein a sliding element made of a sliding material is arranged between the bearing elements, which is fixed in position on a first of the two bearing elements and within the entire relative
- the sliding material consisting of at least 60% by weight of PTFE.
- the sliding material consists of 10% to 40% by weight of polyimide
- polyimide in particular 15% to 25% by weight of polyimide.
- the sliding material has such material properties that it can be used in a long-term sliding friction test that is carried out in accordance with D.6.2 of the standard EN 1337-2: 2004 is carried out with the only modifications that the long-term sliding friction test is carried out over an added total glide path of over 20,000 m, in particular over 50,000 m, in particular 50,154 m, in particular over 70,000 m, in particular over 80,000 m and that a contact pressure for the
- Sliding material of at least 60 MPa, in particular 90 MPa is applied, the requirements on its
- the plain bearing has a minimum effective storage temperature of -50 ° C or less and a maximum effective storage temperature of 80 ° C or more.
- the described embodiment has proven to be particularly advantageous since it is also used in extreme cases
- the slide bearing according to the invention is not damaged according to this embodiment.
- the person skilled in the art understands the minimum or maximum effective bearing temperature as the temperature to which the slide bearing can be exposed for a short time, in particular a time of 8 hours, without the slide bearing having a
- the slide bearing according to the invention is designed such that it has its minimum or maximum effective over a period of 8 hours
- Resilience or durability of the plain bearing relevant element of the plain bearing is always the sliding element.
- the second bearing element is on its side facing the sliding element, i. H. on its sliding side, made of austenitic steel or hard chrome
- both bearing elements and the sliding element each having a horizontal cross section of more than 50 cm 2 , in particular between 50 cm 2 and 100,000 cm 2 , and wherein the sliding element has a vertical extension of at least 5 mm , in particular between 5 mm and 30 mm, in particular between 5 mm and 15 mm, in particular 6 mm to 10 mm, in particular 8 mm.
- the vertical is particularly preferred
- the two bearing elements are guided such that they can move horizontally relative to one another, the bearing elements being guided so as to be tiltable by at least one horizontal direction.
- the bearing elements are particularly preferably arranged around a number of horizontal and thus perpendicular to the vertical
- the two bearing elements are particularly preferred via one
- the sliding element in the sliding bearing is preferably surrounded horizontally by the first bearing element and lies in particular with a first vertical side on the first bearing element, the second bearing element on the second vertical side of the bearing element opposite the first bearing element
- the sliding element bears against the sliding element.
- the sliding element preferably lies flat and continuously on the first bearing element.
- the sliding element is horizontally circumferentially encompassed by the first bearing element over at least 30% of its vertical extent and is therefore chambered therein.
- the sliding element preferably also projects vertically above the first bearing element, or the second bearing element and the first bearing element overlap vertically within the horizontal extension of the
- the invention also relates to
- the invention further relates to the use of a
- the Plain bearing in a building, the Plain bearing is installed in the structure and is subjected to a pressing force in the structure, which exerts a pressure on the sliding element, which is between the two
- the permanent pressure acting on the sliding element is to be understood as the pressing pressure that results from the static calculations on which the use of the sliding bearing is based in the building as the expected mean pressing pressure when the sliding bearing is installed in the building.
- the inventors recognized that through the targeted selection of the sliding material that is used for the sliding element of the sliding bearing, a
- said sliding path corresponds to the total sliding path of the two bearing elements to each other in the described
- the invention further relates to a structure in which a slide bearing according to the invention is installed, one of the two bearing elements of the slide bearing being fixed to a floor element of the structure which is fastened to the ground, and the other of the two bearing elements being fixed to a support element of the structure is.
- the support element is an element of the structure that carries a functional element of the structure, for example the superstructure of a bridge structure or side walls of a high-rise structure or the roof of a hall structure.
- the floor element can be, for example, a bridge pillar or a foundation element or a roof support element connected to the ground.
- Figure 1 a first embodiment of an inventive
- Figure 2 a second embodiment of a
- FIG. 1 a schematic exploded view of some elements of a plain bearing 100 according to the invention are shown in simplified form. For the sake of clarity, other elements that are customary in slide bearings, such as, for example, fastening elements, are not shown in FIG. 1 or in the following in FIG. 2.
- the plain bearing 100 according to FIG. 1 has a pot 5 which is made of steel. Is placed vertically on the pot 5
- the sliding bearing 100 further comprises a cover made of steel, on which a flat sliding element 3 is arranged.
- the sliding element 3 is fixed in position on the cover, which acts as the first bearing element 1 of the sliding bearing 100.
- the plain bearing 100 also has a second bearing element 2, which as
- Bearing element 2 with its sliding side on the sliding element 3 and can on this sliding element 3 within a by the geometric configuration of the sliding bearing 100th
- the plain bearing 100 according to FIG. 1 therefore only has one
- Sliding element 3 which is designed as a flat sliding element and is designed like a circular disk.
- disk-like sliding elements with a polygonal cross section, in particular a rectangular or square cross section, are also known.
- the sliding element 3 is horizontally surrounded by a ring formed by the first bearing element 1 and thus in the first
- Bearing element 1 chambered. In the plain bearing 100, the two bearing elements 1, 2 are within a relative
- the elastomer element 4 serves to ensure that the two bearing elements 1, 2 can be tilted relative to one another about any horizontal directions.
- the first bearing element 1 is fixed in position on the
- the plain bearing 100 according to FIG. 2 has an as
- the second bearing element 2 is designed as a hard chrome-plated spherical cap and bears with its sliding side against the curved sliding element 3.
- the second bearing element 2 can be pivoted with respect to the first bearing element 1 by any horizontal direction, the second bearing element 2 with its being pivoted
- Sliding element 3 is designed accordingly.
- a second sliding element 3 is arranged on the second bearing element 2 and connected to it in a fixed position, which is designed as a flat sliding element 3 and is designed like an annular disk and is chambered in the second bearing element 2.
- the plain bearing 100 also has a third
- Bearing element 20 which is designed as a sliding plate made of austenitic steel and is fixed to a sliding plate. In the plain bearing 100, the third bearing element 20 lies with it in every intended operating position
- Bearing element 20 can thus be within its relative
- Sliding material is provided so that the bearing elements of the respective pairing with each other with as little friction as possible
- Bearing element pairings with a sliding element made from a between the bearing elements of each pairing
- the sliding material is provided and the sliding elements are vertically separated from one another by at least one of the bearing elements are spaced is generally advantageous in a plain bearing according to the invention.
- One of the bearing elements can be part of both bearing pairs, so that the two
- Bearing element pairs are formed by three bearing elements, or four bearing elements can be provided, with two of the four bearing elements being one of the bearing elements
- this sliding material has material properties such that it meets the requirements of its in a long-term sliding friction test that is carried out in accordance with D.6.2 of the standard EN 1337-2: 2004
- Plain bearings enable the realization of a plain bearing that is suitable for both fast and slow ones
- the inventors used a sliding material which consists of 25% polyimide and 75% PTFE.
- This sliding material also has material properties such that it fulfills the requirements for its coefficients of friction according to the standard mentioned, even with the described modification of the long-term sliding friction tests according to the invention in such a way that the total larger total sliding path than required by the standard and the higher contact pressure than the contact pressure of 30 MPa required according to the standard is applied.
- the sliding material which consists of 20% polyimide and 80% PTFE, the material has a higher characteristic
- Sliding material uses a material that consists of 85% PTFE and 15% polyimide. This sliding material regarding its properties in a long-term sliding friction test was largely with the
- Comparable sliding material which consists of 25% polyimide and 75% PTFE, but it had a lower one
- Sliding material can be found, furthermore in
- Embodiments also additives, such as glass fibers, have been added while maintaining the ratio of PTFE to polyimide, wherein in the
- Embodiments of the sliding material always consisted of at least 95% of the materials PTFE and polyimide.
- the composition of 15% to 25% polyimide and 75% to 85% PTFE was found to be particularly advantageous, and that of 20% polyimide and 80% PTFE was found to be extremely advantageous.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018117712.7A DE102018117712A1 (de) | 2018-07-23 | 2018-07-23 | Gleitlager im Bauwesen |
PCT/EP2019/069714 WO2020020843A1 (de) | 2018-07-23 | 2019-07-22 | Gleitlager im bauwesen |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3827127A1 true EP3827127A1 (de) | 2021-06-02 |
Family
ID=67480198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19746055.3A Withdrawn EP3827127A1 (de) | 2018-07-23 | 2019-07-22 | Gleitlager im bauwesen |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3827127A1 (de) |
BR (1) | BR112021001231A2 (de) |
CA (1) | CA3109528A1 (de) |
DE (1) | DE102018117712A1 (de) |
WO (1) | WO2020020843A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES1294730Y (es) | 2022-06-03 | 2022-12-23 | Mk4 World Wide S L | Elemento discoidal deslizable para un conjunto de apoyo estructural de ingeniería civil y mecanismo estructural |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2829309B2 (de) * | 1978-07-04 | 1980-08-07 | Glacier Gmbh Deva Werke | Verfahren zum Auskleiden der Konkav gewölbten Oberseite der Unterplatte eines Kippbewegungen eines Brückenüberbaus o.dgl. ermöglichenden Lagers und nach diesem Verfahren ausgekleidetes Lager |
DE7820069U1 (de) * | 1978-07-04 | 1978-10-12 | Glacier Gmbh Deva Werke, 3570 Stadt Allendorf | Kippgleitlager fuer bruecken oder aehnliche bauwerke |
DE4227909C2 (de) * | 1992-08-22 | 1995-09-07 | Glyco Metall Werke | Metall-Kunststoff-Verbundlagerwerkstoff sowie Verfahren zu dessen Herstellung |
AU2002325349A1 (en) * | 2002-07-19 | 2004-02-09 | Maurer Sohne Gmbh And Co. Kg | Slide bearing for construction and material for the same |
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 |
DE102007058627B4 (de) * | 2007-12-05 | 2010-05-06 | Ibg Monforts Fluorkunststoffe Gmbh & Co. Kg | Gleitlager eines Bauwerks |
IT1404858B1 (it) | 2011-02-21 | 2013-12-09 | Milano Politecnico | Supporto anti-sismico. |
US20120251020A1 (en) * | 2011-04-04 | 2012-10-04 | Swei Gwo S | Self-Lubricating Structure and Method of Manufacturing the Same |
ES2671150T3 (es) | 2014-03-11 | 2018-06-05 | Atlante S.R.L. | Cojinete deslizante para construcciones |
-
2018
- 2018-07-23 DE DE102018117712.7A patent/DE102018117712A1/de not_active Withdrawn
-
2019
- 2019-07-22 WO PCT/EP2019/069714 patent/WO2020020843A1/de unknown
- 2019-07-22 BR BR112021001231-1A patent/BR112021001231A2/pt unknown
- 2019-07-22 CA CA3109528A patent/CA3109528A1/en not_active Abandoned
- 2019-07-22 EP EP19746055.3A patent/EP3827127A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
BR112021001231A2 (pt) | 2021-04-27 |
DE102018117712A1 (de) | 2020-01-23 |
WO2020020843A1 (de) | 2020-01-30 |
CA3109528A1 (en) | 2020-01-30 |
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