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:
Oct. 27, 1987
Filed:
Sep. 22, 1986
Albert Frischmann, Kenzingen, DE;
Johannes Rieger, Emmendingen, DE;
Kurt Mermi, Teningen, DE;
Herbert Kistner, Freiburg, DE;
E Harald Zimmermann, Emmendingen, DE;
Upat GmbH & Co., Emmendingen, DE;
Abstract
A spreading anchor comprising an anchor rod (1) including a spreading cone (5) on its front end (4) in the direction of insertion of said anchor (1), the spreading cone (5) flaring in the insertion direction and adapted to cooperate with a spreading sleeve (9) which is provided with several longitudinal slots (10), said slots (10) originating from the front rim (11) of said spreading sleeve (9) and forming spreading lamellae (18), at least two of said spreading lamellae (18) being opposed, the end faces (21) of said opposed lamellae (18) in the insertion direction being provided with cutting inserts.