Title:
TUBULAR METAL FITTING EXPANDABLE IN A WALL OPENING AND METHOD OF INSTALLATION
Document Type and Number:
WIPO Patent Application WO2005011886
Kind Code:
A3
Abstract:
A fitting is inserted into an opening in a wall. The fitting includes a ring portion where it extends through the opening. It also includes one or two end portions that extend axially outwardly from the ring portion. The ring portion has an inside diameter that is smaller than the inside diameters of the end portion or portions. The fitting is positioned within the wall openings. Then, an expansion tool is moved through the interior of fitting for the purpose of expanding the ring portion. The ring portion is expanded to such an extent that it makes a tight fit with the opening. Also, the degree of expansion may result in a cold working of the wall material surrounding the opening. The expansion tooling only expands the ring portion and does not exert a substantial expanding force on the end portions.
Inventors:
POAST TOM G (US)
MADDEN DEAN C (US)
WEISS MARK R (US)
MADDEN DEAN C (US)
WEISS MARK R (US)
Application Number:
PCT/US2004/024119
Publication Date:
February 16, 2006
Filing Date:
July 27, 2004
Export Citation:
Assignee:
FATIGUE TECHNOLOGY INC (US)
POAST TOM G (US)
MADDEN DEAN C (US)
WEISS MARK R (US)
POAST TOM G (US)
MADDEN DEAN C (US)
WEISS MARK R (US)
International Classes:
B64C1/00; F16B9/00; (IPC1-7): F16L3/04
Foreign References:
| US3997193A | 1976-12-14 | |||
| US3674292A | 1972-07-04 | |||
| US2092358A | 1937-09-07 | |||
| US6773039B2 | 2004-08-10 | |||
| US5466016A | 1995-11-14 | |||
| US5390808A | 1995-02-21 | |||
| US3787945A | 1974-01-29 |
Other References:
See also references of EP 1651365A4
Download PDF: