IP Library Granted Patent US 8,752,295
Granted Patent B2
US 8,752,295 · App. 12/980,455 · Granted Jun 17, 2014

Method of varying material properties

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 8,752,295
App. No.
12/980,455
Granted
Jun 17, 2014
Kind
B2
Abstract

A method includes acquiring a first structural component conforming to a design, producing a first vehicle including the first structural component, and transferring possession of the first vehicle with the first structural component having a first set of mechanical properties. The method further includes acquiring a second structural component conforming to the design, subjecting the second structural component to a heat treatment process so that the second structural component is characterized by a second set of mechanical properties different from the first set of mechanical properties, producing a second vehicle including the second structural component, and transferring possession of the second vehicle with the second structural component having the second set of mechanical properties.

Claims (26)

1. A method comprising:

acquiring a first structural component conforming to a design;

producing a first vehicle including the first structural component;

transferring possession of the first vehicle with the first structural component having a first set of mechanical properties;

acquiring a second structural component conforming to the design;

subjecting the second structural component to a heat treatment process so that the second structural component is characterized by a second set of mechanical properties different from the first set of mechanical properties;

producing a second vehicle including the second structural component; and

transferring possession of the second vehicle with the second structural component having the second set of mechanical properties.

2. The method of claim 1 , wherein said subjecting the second structural component to a heat treatment process includes locally heating portions of the second structural component.

3. The method of claim 2 , wherein said locally heating portions of the second structural component includes laser heating the portions of the second structural component.

4. The method of claim 2 , further comprising locally heating portions of the first structural component to provide the first structural component with the first set of mechanical properties.

5. The method of claim 1 , further comprising creating the design.

6. The method of claim 1 , wherein the first and second structural components comprise high-strength steel.

7. A method comprising:

acquiring a first vehicle frame rail conforming to a design;

producing a first vehicle including the first frame rail;

transferring possession of the first vehicle with the first frame rail having a first set of mechanical properties;

acquiring a second frame rail conforming to the design;

subjecting the second frame rail to a heat treatment process so that the second frame rail is characterized by a second set of mechanical properties different from the first set of mechanical properties;

producing a second vehicle including the second frame rail; and

transferring possession of the second vehicle with the second frame rail having the second set of mechanical properties.

8. The method of claim 7 , wherein said subjecting the second frame rail to a heat treatment process includes locally heating portions of the second frame rail.

9. The method of claim 8 , wherein said locally heating portions of the second frame rail includes laser heating the portions of the second frame rail.

10. The method of claim 8 , further comprising locally heating portions of the first frame rail to provide the first frame rail with the first set of mechanical properties.

11. The method of claim 7 , further comprising creating the design.

12. The method of claim 7 , wherein the first and second frame rails comprise high-strength steel.

Assignments (3)
RELEASE OF SECURITY INTEREST Recorded Nov 7, 2014
From: WILMINGTON TRUST COMPANY
To: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Reel/Frame 034287/0159 →
SECURITY AGREEMENT Recorded Jun 24, 2011
From: GM GLOBAL TECHNOLOGY OPERATIONS LLC
To: WILMINGTON TRUST COMPANY
Reel/Frame 026499/0267 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 29, 2010
From: YANG, WUHUA; BRUGGEMANN, CHARLES J.; MAYER, ROBERT R.
To: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Reel/Frame 025552/0468 →