helical


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helical

[′hel·ə·kəl]
(mathematics)
Pertaining to a cylindrical spiral, for example, a screw thread.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Following initial GBP221 million drawdowns on the new facility, Helical has GBP179 million available for future acquisitions.
The Sunday Times reported that Helical had received a bid from an unnamed US private equity firm.
The purchase from Helical reflects a net initial yield of 5.04 per cent.
That 180-degree turn aligns the broaching teeth with the helical grooves they cut, and the tool is retracted along that same pathwhich, if you are forming a standard M6 thread that's 0.59 inches (15mm) deep, is about 15 times shorter than the thread path itself would be.
This sale follows Helical's recently completed business transformation which has resulted in a pure focus on high quality, design led office and mixed-use schemes in London and Manchester.
Namely, a helical conductor is usually wound around a cylindrical mount, and when a helix is circumferentially fed, the matching from [10] is not always practical because the metallic plate and the mount intersect.
(1) The multicenter MIMICS study, the first-ever randomized trial comparing two differently designed bare-metal nitinol stents (in most nitinol stent studies, the investigational device is compared with PTA) [25]; (2) the prospective MIMICS-2 investigational device exemption (IDE) study, which is now evaluating the helical centerline stent in 271 patients at 43 sites in 3 different countries (the United States, Japan, and Germany); and (3) the prospective observational MIMICS-3D registry, which is evaluating the helical centerline stent in a real-world clinical population, with targeted enrollment of more than 500 patients and with a dedicated subgroup analysis of device performance as a complementary treatment in procedures involving DCBs are included.
(iii) Large turning-angle loops with a curve angle exceeding 720[degrees] (currently, all helical ramps have two or more layers) and a continually changing vehicle direction while driving.
It compares both of the flows performances in the design of the concentric tube in the form of a helical coil.
An incision was made at the junction of the helical curl and the scaphoid fossa, and it extended from the helical root to the edge of the defect (anterior flap), as well as from the opposing end of the defect past the cauda helicis and into the earlobe (posterior flap).
Filters employing helical resonators are a class of distributed filters that offer a trade-off between performance and size/mass that makes them valuable for use in satellite communications, explain Doumanns, Goussetis, and Kosmopoulos.