IP Library Granted Patent US 8,652,611
Granted Patent B2
US 8,652,611 · App. 12/879,339 · Granted Feb 18, 2014

Plastic moulded part for a motor vehicle

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Quick Facts
Patent No.
US 8,652,611
App. No.
12/879,339
Granted
Feb 18, 2014
Kind
B2
Abstract

A bionically designed plastic molded part is provided, in particular a carrier, for a motor vehicle, with at least one low-load region for accommodating relatively low loads, which is formed using thin-wall technology, and at least one high-load region for accommodating relatively high loads, which is formed using plastic foam technology and connected to at least one low-load region.

Claims (19)

1. A plastic molded part for a motor vehicle, comprising:

a low-load region adapted to accommodate a low load, the low-load region comprising thin-wall technology; and

a high-load region adapted to accommodate a high load that is greater than the low load, the high-load region comprising plastic foam technology, wherein the high-load region is configured to extend in a rib-like manner along a plurality of load paths to accommodate and forward a load, and wherein the high-load region is connected to the low-load region.

2. The plastic molded part according to claim 1 , further comprising a medium-load region adapted to accommodate a moderate load that is greater than the low load and less than the high load, the medium-load region comprising technology other than the thin-wall technology and the plastic foam technology and connected to at least one of the low-load region or the high-load region.

3. The plastic molded part according to claim 2 , wherein at least two of the low-load region, the high-load region, or the medium-load region are manufactured integrally with one another.

4. The plastic molded part according to claim 2 , wherein at least two of the low-load region, the high-load region, or the medium-load region are connected with a material-to-material fit.

5. The plastic molded part according to claim 2 , wherein at least one of the low-load region, the high-load region, or the medium-load region is made of a fiber-reinforced plastic.

6. The plastic molded part according to claim 1 , wherein the low-load region comprises a wall thickness of at most approximately 1.2 mm.

7. The plastic molded part according to claim 1 , wherein the low-load region comprises a wall thickness of at most approximately 1 mm.

8. The plastic molded part according to claim 1 , wherein the low-load region comprises a wall thickness of at most approximately 0.9 mm.

9. The plastic molded part according to claim 1 , wherein the high-load region comprises a foam core and a plastic shell that at least partly encases the foam core.

10. A plastic molded part for a motor vehicle, comprising:

a low-load region adapted to accommodate a low load, the low-load region comprising thin-wall technology;

a high-load region adapted to accommodate a high load that is greater than the low load, the high-load region comprising plastic foam technology, wherein the high-load region is configured to extend in a rib-like manner along a plurality of load paths to accommodate and forward a load, and wherein the high-load region is connected to the low-load region; and

a medium-load region adapted to accommodate a moderate load that is greater than the low load and less than the high load, the medium-load region comprising technology other than the thin-wall technology and the plastic foam technology and connected to at least one of the low-load region or the high-load region.

11. A plastic molded part for a motor vehicle, comprising:

a low-load region adapted to accommodate a low load, the low-load region comprising thin-wall technology, wherein the thin-wall technology comprises a wall thickness of at most approximately 1.2 mm;

a high-load region adapted to accommodate a high load that is greater than the low load, the high-load region comprising plastic foam technology, wherein the high-load region is configured to extend in a rib-like manner along a plurality of load paths to accommodate and forward a load, and wherein the high-load region is connected to the low-load region; and

a medium-load region adapted to accommodate a moderate load that is greater than the low load and less than the high load, the medium-load region comprising technology other than the thin-wall technology and the plastic foam technology and connected to at least one of the low-load region or the high-load region.

Assignments (4)
RELEASE OF SECURITY INTEREST Recorded Nov 7, 2014
From: WILMINGTON TRUST COMPANY
To: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Reel/Frame 034287/0159 →
CHANGE OF NAME Recorded Feb 10, 2011
From: GM GLOBAL TECHNOLOGY OPERATIONS, INC.
To: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Reel/Frame 025781/0333 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 30, 2010
From: GAUDIG, RALF; KUHLMANN, KLAUS; BERHARD, WERNER
To: GM GLOBAL TECHNOLOGY OPERATIONS, INC.
Reel/Frame 025429/0801 →
SECURITY AGREEMENT Recorded Nov 8, 2010
From: GM GLOBAL TECHNOLOGY OPERATIONS, INC.
To: WILMINGTON TRUST COMPANY
Reel/Frame 025324/0658 →