METHOD OF MAKING SUPERPLASTICALLY FORMED AND DIFFUSION BONDED ARTICLES AND THE ARTICLES SO MADE
Assignee
BARNES GROUP, INC.
Filed
Dec 27, 1988
Granted
Jun 19, 1990
Location
EATON RAPIDS MI US
Abstract
Methods of making superplastically formed and diffusion bonded articles are disclosed as well as the articles made from such methods. Metal sheets are superplastically formed and diffusion bonded in a manner such that pillows are formed on respective outer surfaces thereof, providing a cellular structure interconnected by channels permitting control of gas pressure with the cells. The cellular structure can, in one embodiment, be twisted and the cells can be inflated through superplastic forming. The twisted cellular structure is particularly useful as an intermediate stiffener for an airfoil.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Nov 9, 1989
Rescinded
Dec 13, 1989
Duration
1 month
Inventor
- 1MARVIN M. SUTTON
Record Details
- Patent number
- US 4934580
- Application
- 00729061
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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