# US 10,501,899 B2 · Structural bearing > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,501,899 B2 - Document ID: US10501899B2 - Status: Granted - Kind: B2 - Application number: 15/773,429 - Filed: 2016-11-04 - Published: 2018-11-08 - Granted: 2019-12-10 - Earliest claimed: 2015-11-06 - Assignees: Maurer Engineering Inc. - Applicants: Maurer Engineering GmbH - Inventors: Christian Braun - Web page: https://patentgrep.com/patent/US10501899B2 ## CPC - E01D 19/041: {Elastomeric bearings (E01D19/048 takes precedence)} - E01D 19/04: Bearings {(E01D19/005 takes precedence; specially for movable bridges E01D15/005 - E01D15/10)}; Hinges - E04B 1/36: Bearings or like supports allowing movement (for bridges E01D19/04; buildings with-standing earthquakes E04H9/02) - E04H 9/021: {Bearing, supporting or connecting constructions specially adapted for such buildings} - E01D: CONSTRUCTION OF BRIDGES, {ELEVATED ROADWAYS} OR VIADUCTS; ASSEMBLY OF BRIDGES (bridges extending between terminal buildings and aircraft for embarking or disembarking passengers B64F1/305; {tracks for special kinds of railways E01B25/00; culverts E01F5/005}) - E04B: GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS (border constructions of opening in walls, floors or ceilings E06B1/00; {electromagnetic shielding H05K9/0001}) - E04H: BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL (foundations E02D) ## Abstract A structural bearing is provided having at least one sliding element made of a sliding material that contains at least one polymeric plastic, wherein the siding material has a melting point temperature of more than 210° C. and a modulus of elasticity in tension according to DIN ISO 527-2 of less than 1800 MPa. ## Claims ### Claim 1 A structural bearing having at least one sliding element made of a sliding material that contains at least one polymeric plastic, wherein the sliding material has a melting point temperature of more than 210° C. and a modulus of elasticity in tension according to DIN ISO 527-2:2012 of less than 1800 MPa, wherein the sliding material further has a characteristic compressive strength of at least 250 MPa at 48° C. and/or at least 220 MPa at 70° C. and/or at least 200 MPa at 80° C. and wherein the sliding material contains a polyketone as the polymeric plastic. ### Claim 2 (depends on 1) The structural bearing according to claim 1, wherein the unlubricated sliding material in a short-time sliding friction test pursuant to EN 1337-2:2004 supplement D has a maximum friction coefficient at 21° C. and a contact pressure of 60 MPa of at least 0.05. ### Claim 3 (depends on 1) The structural bearing according to claim 1, wherein the sliding material has a ratio of static friction coefficient to dynamic friction coefficient (μs/μdyn) that is smaller than 1.4. ### Claim 4 (depends on 1) The structural bearing according to claim 1, wherein the sliding material has a yield strength of more than 15%. ### Claim 5 (depends on 1) The structural bearing according to claim 1, wherein the sliding material is vulcanized onto an elastomer. ### Claim 6 (depends on 1) The structural bearing according to claim 1, wherein the sliding material contains a polyamide having a water saturation of at least 5%, as the polymeric plastic. ### Claim 7 (depends on 1) The structural bearing according to claim 1, wherein a water supply for ensuring a permanent water saturation of the sliding material is assigned to the sliding element. ### Claim 8 (depends on 1) The structural bearing according to claim 1, wherein the sliding element is disposed in a water-holding basin. ### Claim 9 (depends on 1) The structural bearing according to claim 1, wherein the sliding element at least partially is surrounded by a water vapor-holding casing. ### Claim 10 (depends on 1) The structural bearing according to claim 1, wherein the sliding material in addition to the at least one polymeric plastic contains at least one further polymeric plastic and/or at least one filler or an additive. ### Claim 11 (depends on 1) The structural bearing according to claim 1, wherein the sliding material has been cross-linked by means of radiation and/or chemical treatment. ### Claim 12 (depends on 1) The structural bearing according to claim 1, wherein it is configured as an energy-dissipating friction pendulum bearing. ### Claim 13 (depends on 1) The structural bearing according to claim 1, wherein it is configured as an elastomeric sliding bearing. ### Claim 14 (depends on 13) The structural bearing according to claim 13, wherein individual sub-segments of the sliding disc comprise another sliding material of a polyamide, a PTFE and/or a UHMWPE. ### Claim 15 (depends on 1) The structural bearing according to claim 1, wherein the sliding element is configured as a flat sliding disc and/or curved sliding disc. ### Claim 16 (depends on 15) The structural bearing according to claim 15, wherein the sliding disc is configured in segments and has at least two sub-segments. ### Claim 17 (depends on 16) The structural bearing according to claim 16, wherein the sliding disc is configured from a plurality of sub-segments that are preferably round and have a diameter of 20 to 50 mm.