# US 11,299,212 B2 · Connection of elements in motor vehicles

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- Number: US 11,299,212 B2
- Document ID: US11299212B2
- Status: Granted
- Kind: B2
- Application number: 16/615,440
- Filed: 2018-06-11
- Published: 2020-06-04
- Granted: 2022-04-12
- Earliest claimed: 2017-06-22
- Assignees: Sika Technology AG
- Applicants: Sika Technology AG
- Inventors: Philip E. Weber
- Web page: https://patentgrep.com/patent/US11299212B2

## CPC

- B62D 27/026: {Connections by glue bonding (in general F16B11/00; processes C09J5/00)}
- B62D 27/06: readily releasable
- B29C 65/542: {by injection}
- B29C 66/022: {Mechanical pre-treatments, e.g. reshaping}
- B62D 29/001: {characterised by combining metal and synthetic material}
- B62D 29/04: predominantly of synthetic material (working of plastics or substances in a plastic state B29)
- B62D 65/02: Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
- B29C 65/4835: {Heat curing adhesives}
- B29C 65/485: {Multi-component adhesives, i.e. chemically curing as a result of the mixing of said multi-components}
- B29C 66/21: {said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding}
- B29C 66/301: {Three-dimensional joints, i.e. the joined area being substantially non-flat (B29C66/5223, B29C66/5224, B29C66/5225 take precedence)}
- B29C 66/30325: {making use of cavities belonging to at least one of the parts to be joined}
- B29C 66/43: {Joining a relatively small portion of the surface of said articles (B29C66/45 takes precedence)}
- B29C 66/919: {characterised by specific temperature, heat or thermal flux values or ranges (specific electrical resistance values B29C66/81262)}
- B62D: MOTOR VEHICLES; TRAILERS (steering, or guiding on a desired track, of agricultural machines or implements A01B69/00; wheels, castors, axles, increasing wheel adhesion B60B; vehicle tyres, tyre inflation or tyre changing B60C; connections between vehicles of a train or the like B60D; vehicles for use on rail and road, amphibious or convertible vehicles B60F; suspension arrangements B60G; heating, cooling, ventilating or other air treating devices B60H; windows, windscreens, non-fixed roofs, doors or similar devices, protective coverings for vehicles not in use B60J; propulsion plant arrangements, auxiliary drives, transmissions, controls, instrumentation or dashboards B60K; electric equipment or propulsion of electrically-propelled vehicles B60L; power supply for electrically-propelled vehicles B60M; passenger accommodation not otherwise provided for B60N; adaptations for load transportation or to carry special loads or objects B60P; arrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general B60Q; vehicles, vehicle fittings or vehicle parts not otherwise provided for B60R; servicing, cleaning, repairing, supporting, lifting, or manoeuvring, not otherwise provided for, B60S; brake arrangements, brake control systems or parts thereof B60T; air-cushion vehicles B60V; motor-cycles, accessories therefor B62J, B62K; testing of vehicles G01M)
- B29C: SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING (making preforms B29B11/00; making laminated products by combining previously unconnected layers which become one product whose layers will remain together B32B37/00 - B32B41/00)

## Abstract

A system of connected elements for a motor vehicle includes: a first element which has at least one depression on a surface; a second element which is arranged on the first element in such a manner that a surface of the second element and the depression of the first element form a cavity; a filling opening which forms an access to the cavity; and an adhesive which at least partially fills the cavity and thereby adhesively bonds the first element to the second element.

## Claims

### Claim 1

A method for connecting elements of a motor vehicle, the method comprising the steps of:
providing a first element, the first element having a panel-like form and a depression on one surface that is formed by embossing or by impressing or by stamping;
providing a second element;
arranging the first element and the second element in such a way that a surface of the second element and the depression of the first element form a cavity;
introducing an adhesive into the cavity, the adhesive being introduced into the cavity through a filling aperture,
wherein the adhesive during introduction into the cavity has a temperature of 10 to 100° C., and/or wherein the adhesive is introduced into the cavity with a volume flow rate of 0.1 to 5 cm3/s.

### Claim 2 (depends on 1)

The method as claimed in claim 1, wherein the method comprises the following additional step: shaping the depression on the surface of the first element.

### Claim 3 (depends on 1)

The method as claimed in claim 1, wherein the method comprises the following additional step:
forming the filling aperture in the first element or in the second element, the filling aperture forming an access to the cavity.

### Claim 4 (depends on 1)

The method as claimed in claim 1, wherein the method comprises the following additional step:
curing the adhesive.

### Claim 5 (depends on 1)

The method as claimed in claim 1, wherein the method is carried out with elements of the system of connected elements for the motor vehicle comprising:
the first element which has at least one depression on one surface;
the second element, which is arranged on the first element in such a way that the surface of the second element and the depression of the first element form the cavity;
the filling aperture which forms an access to the cavity; and
the adhesive which at least partially fills the cavity and thereby bonds the first element to the second element.

### Claim 6 (depends on 1)

The method as claimed in claim 1, wherein the second element has a panel-like form.