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.
Patent No.:
Date of Patent:
Aug. 04, 2020
Filed:
Feb. 01, 2016
Grenzebach Maschinenbau Gmbh, Asbach-Baeumenheim, DE;
Markus Weigl, Donauwoerth, DE;
GRENZEBACH MASCHINENBAU GMBH, Asbach-Baeumenheim, DE;
Abstract
Disclosed are an apparatus and a method for the mobile friction stir welding of two tubular structures as joining partners, said apparatus having the following features: a) an annular main body () which can be unfolded using a hinge () and can be fixedly connected for operation opposite the hinge () using a locking mechanism (); b) a plurality of lifting elements () which are distributed along the circumference of the main body (), can be moved radially by a drive unit (), and each include a retaining jaw () for securing the tubular structures, one retaining jaw () being mounted so as to be horizontally movable by a drive unit (); c) a ring gear () which is connected to the main body () and on which a spindle head () can be moved by a drive unit () in an orbital movement about the tubular structures in order for a weld seam to be applied; d) a welding shoe () having a sliding surface () which is adapted to the curvature of the surfaces of the joining partners.