jac68984 wrote:
[...] To be fair Markus, the company implies that no ammonia is used (though they don't particularly state this). From the website, I gathered the process relies on compressing the wood from its ends, causing the wood to, in effect, collapse upon itself allowing for expansion while bending thereafter. [...]
I missed that detail where they mention how they bend their wood (just saw the mantraic repetition of "Cold Bend TM" ).But now I found it:
flutedbeams.com wrote:
Cold-Bend hardwood undergoes extreme physical, longitudinal thermo-mechanical compression. There is no chemical treatment, [...]
[...]
The patented and trademarked Cold-Bend hardwood process begins by steaming the planks under pressure in a large autoclave. The hot, wet boards are then placed in the compression chamber of the Cold-Bend hardwood press [...]
Cited from: http://www.flutedbeams.com/discovery/manufacturing.html [...]
The patented and trademarked Cold-Bend hardwood process begins by steaming the planks under pressure in a large autoclave. The hot, wet boards are then placed in the compression chamber of the Cold-Bend hardwood press [...]
Thermo-mechanical? Steamed? Hot?
Sounds like temperature involved...
But well, as long as it bends it's ok
Interesting technique anyway.