04159604 is referenced by 37 patents and cites 8 patents.

The disclosure relates to the type of joist having an upper chord in the form of an inverted top-hat channel into which an insert is forced. The inner faces of the side walls of the channel converge towards one another at the top of the channel and the width of the bottom of the channel is greater than the width of the bottom of the insert.

Title
Joist
Application Number
5/867458
Publication Number
4159604
Application Date
January 5, 1978
Publication Date
July 3, 1979
Inventor
Michael P Burrell
Mississauga
CA
Agent
Anthony J Casella
Assignee
Anthes Equipment
CA
IPC
E04C 3/04
E04C 3/292
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