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Patent Searching and Data


Title:
LOW-TOLERANCE THREADED FASTENER
Document Type and Number:
WIPO Patent Application WO1999008005
Kind Code:
A3
Abstract:
A threaded fastener (10) is having a raised area or bump (16) on a thread flank. The flank can be positioned on the nut thread (12) or on the bolt thread (14). The bump (16) forces the mating threads at least on one flank to have near zero tolerances along the pitchline of the threads and thereby eliminating play. A threaded repair insert (60) having at least one raised area on a threaded surface (62) also is provided.

Inventors:
JANITZKI BERNHARD M (MX)
Application Number:
IB9801295W
Publication Date:
May 14, 1999
Filing Date:
July 31, 1998
Export Citation:
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Assignee:
JANITZKI, BERNHARD, M.
International Classes:
B23G1/16; F16B37/12; F16B39/30; (IPC1-7): F16B37/12; F16B37/16; F16B39/30; B23B51/00
Foreign References:
US4252168A1981-02-24
US3517717A1970-06-30
US5672037A1997-09-30
US4645398A1987-02-24
Other References:
See also references of EP 1000249A2
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