Charles Donald Elder
Engineering at Sturgeon Crk Pkwy, Midland, MI
License number
Louisiana PE.0029980
Issued Date
Feb 26, 2002
Expiration Date
Sep 30, 2004
Category
Civil Engineer
Type
Civil Engineer
Address
Address
5303 Sturgeon Creek Pkwy, Midland, MI 48640
Professional information
Method And Apparatus For Testing Welds In Plastic Pipe
US Patent:
4610166, Sep 9, 1986
Filed:
May 6, 1985
Appl. No.:
6/732015
Inventors:
Charles D. Elder - Midland MI
Thomas E. Reder - Midland MI
Thomas E. Reder - Midland MI
Assignee:
The Dow Chemical Company - Midland MI
International Classification:
G01N 308
US Classification:
73818
Abstract:
Welds in plastic pipe are tested by compressing the welded portion in a generally radial direction.