# US 2019/0316646 A1 · Layered support

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- Number: US 2019/0316646 A1
- Document ID: US20190316646A1
- Status: Published application
- Kind: A1
- Application number: 16/469,006
- Filed: 2017-12-13
- Published: 2019-10-17
- Earliest claimed: 2016-12-13
- Assignees: Cdm Stravitec NV
- Applicants: Cdm NV
- Inventors: Patrick CARELS
- Web page: https://patentgrep.com/patent/US20190316646A1

## CPC

- F16F 1/40: consisting of a stack of similar elements separated by non-elastic intermediate layers {(F16F9/306 takes precedence; laminated constructions to protect buildings against abnormal external influences, e.g. earthquakes, E04H9/022)}
- B32B 3/263: {characterised by a layer having non-uniform thickness}
- B32B 15/06: of {natural rubber or synthetic} rubber
- B32B 15/18: comprising iron or steel {(B32B15/011, B32B15/012 and B32B15/013 take precedence)}
- E01D 19/041: {Elastomeric bearings (E01D19/048 takes precedence)}
- E04H 9/0215: {involving active or passive dynamic mass damping systems}
- E04H 9/022: {and comprising laminated structures of alternating elastomeric and rigid layers}
- F16F 15/08: with rubber springs {(grommet- or bushing-type resilient mountings F16F1/3732, F16F1/38); with springs made of rubber and metal (arrangement of internal-combustion or jet-propulsion units B60K5/12; mounting of propulsion plants on vessels B63H21/30; mounting of vehicle drivers' cabs B62D33/0604)}
- B32B 2250/05: 5 or more layers
- B32B 2307/51: Elastic
- B32B 2307/56: Damping, energy absorption
- F16F 2224/02: solids
- F16F 2226/04: Assembly or fixing methods; methods to form or fashion parts
- F16F 2226/042: Gluing
- F16F: SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- 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})
- E04H: BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL (foundations E02D)

## Abstract

Layered support alternately comprising elastomeric layers and reinforcing layers, wherein an elastomeric layer comprises an elastically compressible elastomeric block (1) with a top surface (2), a bottom surface (3) and a bulging surface (4), wherein the bulging surface (4) bulges out elastically when the elastomeric block (1) is compressed between its top surface (2) and its bottom surface (3) such that the height (A) of the elastomeric block (1) amounts to a compressed height (B), wherein a first reinforcing layer comprises a rigid top plate (6) which abuts against the top surface (2) of the elastomeric block (1) and a second reinforcing layer comprises a rigid bottom plate (7) which abuts against the bottom surface (3) of the elastomeric block (1), wherein the top plate (6) and/or the bottom plate (7) are/is provided with a raised edge (5) extending at least partly opposite the bulging surface (4), wherein the bulging surface (4) bulges out elastically and abuts against this raised edge (5) when the elastomeric block (1) is compressed between the top surface (2) and the bottom surface (3) and the height (A) is decreased to a minimum height (D).

## Claims

### Claim 1

A layered support alternately comprising one or several elastomeric layers and one or several reinforcing layers,
wherein at least one elastomeric layer comprises an elastically compressible elastomeric block with a top surface and a bottom surface situated opposite each other and with at least one bulging surface in between them, wherein the elastomeric block has a height amounting to the distance between the top surface and the bottom surface,
wherein the bulging surface of the elastomeric block bulges out elastically when the elastomeric block is compressed between its top surface and its bottom surface by a load, such that the height of the elastomeric block amounts to a compressed height,
wherein at least a first reinforcing layer comprises a rigid top plate which abuts against the top surface of the elastomeric block and at least a second reinforcing layer comprises a rigid bottom plate which abuts against the bottom surface of the elastomeric block,
wherein at least the top plate and/or the bottom plate are/is provided with a raised edge, wherein the raised edge has a surface extending at least partly opposite the bulging surface and wherein the bulging surface bulges out elastically and abuts at least partly against said surface of the raised edge when the elastomeric block is compressed between the top surface and the bottom surface and the height is decreased to a minimum height.

### Claim 2 (depends on 1)

The layered support according to claim 1, wherein the surface of the raised edge which extends opposite the bulging surface is concavely curved.

### Claim 3 (depends on 2)

The layered support according to claim 2, wherein curvature of the curved surface of the raised edge is substantially equal to curvature of the bulging surface of the elastomeric block when this elastomeric block is compressed between the top surface and the bottom surface and the height amounts to the minimum height with an authorized deviation for the load exerted on the elastomeric block while the bulging surface can freely bulge out.

### Claim 4

(canceled)

### Claim 5 (depends on 1)

The layered support according to claim 1, wherein the raised edge extends to an edge height which is smaller than the compressed height of the elastomeric block and is preferably smaller than the minimum height of the elastomeric block.

### Claim 6 (depends on 1)

The layered support according to claim 1, wherein the raised edge shows a first curvature parallel to the top surface and the bottom surface shows a second curvature perpendicular to the top surface and the bottom surface.

### Claim 7 (depends on 1)

The layered support according to claim 1, wherein the bulging surface extends over the entire circumference of the elastomeric block.

### Claim 8 (depends on 1)

The layered support according to claim 1, wherein the raised edge extends over the entire circumference of the elastomeric block, the top plate and/or the bottom plate.

### Claim 9 (depends on 1)

The layered support according to claim 1, wherein it comprises several alternating layers of elastomeric blocks and reinforcement plates, wherein the top plate of the elastomeric block forms the bottom plate of an elastomeric block situated on top of the latter and the bottom plate of the elastomeric block forms the top plate of an elastomeric block situated under the latter.

### Claim 10 (depends on 1)

The layered support according claim 1, wherein the top surface and/or the bottom surface of the elastomeric block are/is provided with a textile reinforcement.

### Claim 11

A method to restrict the compression of a layered elastomeric support comprising at least one elastomeric block, wherein elastic compression of the elastomeric block is restricted by making a bulging surface of the elastomeric block rest at least partly against a raised edge when a specific elastic compression of the elastomeric block is exceeded.

### Claim 12 (depends on 11)

The method according to claim 11, wherein the bulging surface is made to rest at least partly against a concavely curved surface of a raised edge.

### Claim 13 (depends on 12)

The method according to claim 12, wherein curvature of the concavely curved surface is made to correspond with curvature of the surface of the bulging surface of the elastomeric block when it is subjected to the specific elastic compression while bulging of the bulging surface is not being hindered.

### Claim 14 (depends on 13)

The method according to claim 13, wherein the bulging surface of the elastomeric block is made to rest, over the entire circumference of the elastomeric block, against the concavely curved surface when the elastomeric block is subjected to the specific elastic compression.

### Claim 15 (depends on 11)

The method according to claim 11, wherein the elastomeric block is compressed between a top surface and a bottom surface, so that the bulging surface is made to bulge out between these surfaces.

### Claim 16 (depends on 15)

any one of claims according to claim 15, wherein the top surface and the bottom surface are fixed to a rigid plate.

### Claim 17

A method for manufacturing a layered support which alternately comprises one or several elastomeric layers and one or several reinforcing layers, wherein at least one elastomeric layer comprises an elastically compressible elastomeric block with a top surface and a bottom surface situated opposite each other and with at least one bulging surface in between them, wherein the elastomeric block has a height amounting to the distance between the top surface and the bottom surface, wherein the bulging surface of the elastomeric block bulges out elastically when the elastomeric block is compressed between its top surface and its bottom surface by a load, such that the height of the elastomeric block amounts to a compressed height, wherein at least a first reinforcing layer comprises a rigid top plate which abuts against the top surface of the elastomeric block and at least a second reinforcing layer comprises a rigid bottom plate which abuts against the bottom surface of the elastomeric block, wherein at least the top plate and/or the bottom plate are/is provided with a raised edge, wherein the raised edge has a surface extending at least partly opposite the bulging surface and wherein the bulging surface bulges out elastically and abuts at least partly against said surface of the raised edge when the elastomeric block is compressed between the top surface and the bottom surface and the height is decreased to a minimum height, and providing the raised edges with a curved surface opposite the bulging surface, and forming a curvature of the curved surface of the raised edges so as to correspond with curvature of the surface of the bulging surface when the elastomeric block is compressed to a certain height.

### Claim 18 (depends on 17)

The method according to claim 17, further comprising forming a concavely curved surface of the raised edge in such a way as to correspond with at least a part of a convex surface of the bulging surface of the elastomeric block when the elastomeric block is compressed to a certain height between the top surface and the bottom surface and the top surface and the bottom surface are prevented from being deformed.

### Claim 19 (depends on 18)

The method according to claim 18, further comprising fixing each of the top surface and the bottom surface to a rigid plate so as to prevent the top surface and the bottom surface from being deformed.

### Claim 20 (depends on 11)

The method according to claim 11, further comprising providing the top surface and/or the bottom surface of the elastomeric block with a textile reinforcement.

### Claim 21 (depends on 17)

The method according to claim 17, further comprising providing the top surface and/or the bottom surface of the elastomeric block with a textile reinforcement.