RIGID INTERLOCKING OVERLAPPING PANEL JOINT WITH A DRAIN GROOVE
United States Patent 3520100
US Patent References:
/1179523.html
- - 1179523

Metal roof
- - 2033304

Roof and roofing sheets for use therein
- - 2417899

Joint structure of overlapped sheets
- - 3041784

/0162722.html
- - 0162722


Inventors:
Webb, Jesse J.
Publication Date:
07/14/1970
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Assignee:
DIXISTEEL BUILDINGS INC
Primary Class:
52/534
Other Classes:
52/630, 52/537, D25/119
International Classes:
E04D3/24; E04D13/04; E04D13/04; E04D3/361
US Patent References:
1681819Railway-car roof
1977391Grain bin
2186297Space enclosing supporting structure
3150465Construction sheets
3308596Corrugated panel
3323268V beam construction sheets and fastening means therefor
Foreign References:
FR1352957A
CH50858A




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