Profiled sheet metal building unit and method for making the sam

Details Profiled sheet metal building unit and method for making the sam Profiled sheet metal building unit and method for making the sam

1989-06-01

1990-10-16

Murtagh, John E.

Static structures (e.g., buildings)

Imperforate panel with integral reinforcing

52221, 52795, 72180, E04C 232

Patent

active

049626221

ABSTRACT:
An improved cold formed, sheet metal profiled building unit and method of making the same are disclosed. The building unit incorporates at least one longitudinal stiffening rib in a longitudinal flat region of the type having a tendency to buckle when subjected to compressive forces. The longitudinal stiffening rib is formed not by drawing-in sheet metal as in current roll forming practices, but, instead, by stretching a segment of the sheet metal. Each longitudinal rib has a profile width, as measured along the centerline of the rib, which is greater than the linear of the sheet metal segment from which it was stretched-in. Roll forming machines incorporating the principles of this invention utilize fewer roll stands than do roll forming machines incorporating the principles of current roll forming practices.

REFERENCES:
patent: 3150707 (1964-09-01), Howell
patent: 3165815 (1965-01-01), Wogerbauer
patent: 3184942 (1965-05-01), Cookson
patent: 3256566 (1966-06-01), Campbell
patent: 3397497 (1968-08-01), Shea et al.
patent: 3690137 (1972-09-01), Cookson
patent: 3812636 (1974-05-01), Albrecht et al.
patent: 3841134 (1974-10-01), Falkner
patent: 4144369 (1979-03-01), Wass
patent: 4233833 (1980-11-01), Balinski
patent: 4317350 (1982-03-01), Sivachenko
patent: 4433565 (1984-02-01), Preller
patent: 4453364 (1984-06-01), Ting
patent: 4619131 (1986-10-01), Zeman
patent: 4685319 (1987-08-01), Aoyagi
patent: 4726159 (1988-02-01), Stohs
patent: 4770018 (1988-09-01), Bosl
patent: 4876837 (1984-10-01), Kelly

Affiliated with

Also associated with

Rating

Profiled sheet metal building unit and method for making the sam does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Profiled sheet metal building unit and method for making the sam, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Profiled sheet metal building unit and method for making the sam will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-843166