Here are some links to examples of this helical tubing.
Steel Vintage Bike's examples are both Ciöcc bikes, and they state: "...Oria tubes have been helically crimped, creating a wonderful spiral shape. Their structure, resembling a mythical unicorn horn......Paintwork and decals are original."
Unfortunately, though one frame does have an Oria decal (white with black lettering), you can't discern any writing on it that will provide a means to identify the tubing type.
https://steel-vintage.com/ciocc-50th...sary-200923-03
https://steel-vintage.com/ciocc-desi...ed220218-01-01
From The Spoken comes another Ciöcc example having a Columbus Cromor decal on it; and that site states: "...I have the pleasure of being the latest guardian of a Conti Astore road frame, which is built with a similar set of crimped tubes....My Astore had a Dedacciai sticker on the seat tube, which deepens the mystery further. There is evidence of the tubes being used on frames by other builders so they weren’t specific to Pelizzoli..."
Ultimately, near the end of the article there is a quote supposedly from Alessandro Caccia at Pelizzoli stating: “Giovanni is honored seeing someone collect his old brand frames Ciöcc. The frame coming from the end of 80s — it’s not easy to say the right year but should be around ’86 to ’89, from the industrial production when Giovanni sold the brand to Cicli Conti (in Fara Gera d’Adda). The tubing is not Columbus Cromor but Oria with special twisted shape.”
So another confirmation as to it being Oria tubing, but still no identification as to what type.
https://www.cycleexif.com/ciocc-strada
Finally, a Dancelli on RetrobikeUK; again no identification (no decal) of the tubing type other than another saying it's Oria, but providing no evidence.
https://www.retrobike.co.uk/threads/...o-bike.322188/
I couldn't find the Conti; it may have been a 'for sale' bike, and was just an ephemeral online listing.
I also tried to find a facsimile of the black and white Oria decal to no avail.
Given the one Ciöcc frame with a presumed original Oria decal, I think you can put the tubing brand to rest; but wait until a frame comes online with an original tubing decal hopefulky giving the actual type designation.
Also, given the era that the frame is from (mid to late 80s?), and all the crazy tubing styles that were being produced, both for specialized custom and commercial production applications, I think it is possible that this was, in general overall, a fairly limited production run and may have been something used by builders as an alternate tube set used in order to provide a more unique frame for their product line. Columbus made custom tubing quite regularly for many builders with Colnago being one of the most obvious.
One last thing that has me a little perplexed is the generic look (for what I could see of it) of that one decal example. It almost appears that it was designed just to slap a decal on it providing Oria with some recognition, but not worth their time to produce a nice colored snazzy decal like they usually have. To be everything about these frames says custom and limited production for high end artisan manufacturers to enable to them be sold as specialty model bikes back in the days.
The fact that I spent a fair amount of time trying to get info on another's bike (everyone here has been great at helping my ignorant butt!) trying to educate and inform myself, as well as Jesper, and could only find about 6 examples (photos and anecdotal) is a pretty good indication as to the overall rarity of your frame, regardless of the fact that I found not one reference to the marque itself (although I did find an expired sale listing for what I believe was your actual frame when it was listed prior to your purchase of it).
Might I ask where you obtained it; I was overseas for a little bit and never heard of (or saw) that brand in my wanderings. I am not concerned with what you paid; I assume you got for the value you saw in it. A very nice find!
That's all I have! Hope it helps.
PS. I did discover something that has no bearing, but still a tangential relationship. There is/was a French bike marque by the name of Oria well before the tubing company existed. From research, Oria tubing company name came from Oriago region around Venice; I may actually have passed through there enroute Venice via train about 35 years ago ('87); just about the time your tubes were being manufactured!
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