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1. (WO1998051933) THREADED FASTENER, METHOD OF MAKING A THREADED FASTENER AND ROLLING DIES FOR MAKING A THREADED FASTENER

Pub. No.:    WO/1998/051933    International Application No.:    PCT/GB1998/001360
Publication Date: Fri Nov 20 00:59:59 CET 1998 International Filing Date: Thu May 14 01:59:59 CEST 1998
IPC: B21H 3/06
F16B 25/10
F16B 33/02
Applicants: EUROPEAN INDUSTRIAL SERVICES LIMITED
PASALAR, Ali, Akdar
JACKSON, Melvin, Douglas
Inventors: PASALAR, Ali, Akdar
JACKSON, Melvin, Douglas
Title: THREADED FASTENER, METHOD OF MAKING A THREADED FASTENER AND ROLLING DIES FOR MAKING A THREADED FASTENER
Abstract:
A fastener (20) is described having a body comprising a substantially parallel portion (12) with a head (13) at one end and a tapered portion (14) leading to a point (15) at the other end, and a helical formation (21) providing an edge (23) along its length and extending outwardly from the body, wherein the helical formation (21) starts substantially at the point (15).