Aluminum alloy extruded square pipe excellent in axially compressive properties for automobile front side member
US5996645A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Mar 13, 1997 |
| Grant date | Dec 7, 1999 |
| Priority date | — |
| Expiry date | Mar 13, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S138/11
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a member for an automobile front side member, in which the member has a simple sectional shape, is lightweight, is provided with a flat portion for mounting other parts on the member, and is excellent in axially compressive properties in the lengthwise direction against an impact. The member for the front side member according to the present invention comprises an Al alloy extruded square pipe, wherein the inside wall of each corner portion of the square pipe is made thicker than the wall of each side portion of the square pipe. The square pipe of the present invention includes a pipe square or rectangular in sectional shape, or a pipe provided with a flange on the square or rectangular pipe and so on.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.