The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 05, 2023

Filed:

Dec. 30, 2020
Applicant:

Keystone Tower Systems, Inc., Denver, CO (US);

Inventors:

Eric D. Smith, Boulder, CO (US);

Alexander H. Slocum, Bow, NH (US);

Assignee:

KEYSTONE TOWER SYSTEMS, INC., Denver, CO (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04H 12/08 (2006.01); B21C 37/12 (2006.01); B21C 37/18 (2006.01); E04H 12/34 (2006.01); B23K 31/02 (2006.01);
U.S. Cl.
CPC ...
E04H 12/08 (2013.01); B21C 37/124 (2013.01); B21C 37/185 (2013.01); B23K 31/02 (2013.01); E04H 12/342 (2013.01); Y02E 10/728 (2013.01); Y10T 29/49318 (2015.01); Y10T 29/49826 (2015.01); Y10T 428/12 (2015.01);
Abstract

A method for creating a tapered spiral welded conical structure where the overall shape of the cone is first graphically slit axially and unwrapped, and then a series of construction arcs and lines are created to form the edge lines of a strip that can then be wrapped (rolled) to form a tapered conical structure. The edges of the spirally wound strip can be welded together, and a very large conical structure can thus be achieved. Various construction options are presented from a constant width strip to strip made from straight segments. Equations are given for the formation of the strips to enable those skilled in the art of spiral welded tubing to practice the invention.


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