B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
B21D 39/04 (2006.01) A63B 59/14 (2006.01) B21D 31/00 (2006.01) F16L 47/02 (2006.01) F16B 7/00 (2006.01) F16L 13/10 (2006.01)
Patent
CA 2589190
Connecting means for connecting a first piece of hollow tube to a second piece of hollow tube. This means comprises an insert, where the insert is a hollow shaft having an external and an internal cross section. The internal cross section of said insert having a central rectangular section. The internal cross section having a first and a second tapered sections on either side of the central rectangular section tapering down from the height of the central rectangular section down to zero. The external cross section of the insert is adapted to fit snuggly inside the first piece of hollow tube and said second piece of hollow tube and the insert is adapted to minimize the peak stress transfer loading between the insert and the first and second piece of hollow tube. It also comprises a bonding means, where the bonding means adapted to secure the insert to the inside said first and second piece of hollow tube. The invention also consists in a kit. A kit which would comprise of an insert, the insert being a hollow tube adapted to fit snuggly inside a first piece of hollow shaft and a second piece of hollow shaft, a bonding means, and instruction on how to install said insert to connect the first and the second hollow shafts.
Bourne Orson
Strong Charles
National Research Council Of Canada
Piche Christine
Strong Charles
LandOfFree
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