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. 06, 2002
Filed:
Sep. 24, 1997
Applicant:
Inventors:
Helmut Osterle, Feldkirch, AT;
Erich Palm, Au, CH;
Assignee:
SFS Industrie Holding AG, Heerbrugg, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16B 2/500 ;
U.S. Cl.
CPC ...
F16B 2/500 ;
Abstract
A hole-shaping and thread-forming screw ( ) has a non-cutting hole-shaping end section ( ) that ends in a point, a haft section ( ) provided with a thread ( ) and an engagement section ( ). The non-cutting hole-shaping end section ( ) tapers towards its end. The whole screw is made of a stainless material, in particular its end section ( ). When the screw ( ) is driven in, a hole is haped without cutting into the workpiece ( ) and is then threaded by the screw ( ) itself.