B21L 13 - Making terminal or intermediate chain links of special shape; Making couplings for chains, e.g. swivels, shackles

Patents for B21L 13 - Making terminal or intermediate chain links of special shape; Making couplings for chains, e.g. swivels, shackles (23)
01/2015
01/21/2015	CN104289660A 一种锚链刻槽机构及生产工艺 One kind of groove anchor institutions and production processes
03/2014
03/26/2014	CN203495128U Fixing device for automatic saw chain riveting equipment
03/26/2014	CN203495127U Connecting piece feeding device for saw chain riveting equipment
01/2012
01/03/2012	US8087227 Connector
03/2011
03/16/2011	CN101352750B Technique for calendering mooring chain transom
01/2009
01/28/2009	CN101352750A Device and technique for calendering mooring chain transom
07/2006
07/11/2006	US7073367 Earring wire forming apparatus
08/2004
08/24/2004	US6779331 Jewelry chain link with faceted sides
05/2001
05/15/2001	US6230961 Plate link for attaching a clasp link to an ornamental chain and a method of attaching the end of a chain to a clasp link
05/1997
05/27/1997	US5632086 Jewelry wire bender
01/1997
01/14/1997	US5592809 Link forming and joining apparatus
08/1996
08/06/1996	US5542244 Method of making a rope chain with a jewelry component
05/1994
05/10/1994	US5309706 Shackle-type connector
04/1994
04/12/1994	US5301498 Rope chain component
09/1992
09/01/1992	USRE34046 Heavy duty shackle
07/1992
07/28/1992	US5133179 Junction link and method for forming
12/1987
12/23/1987	DE3620839A1 Method for the production of a chain connector by means of electroerosion
10/1982
10/19/1982	US4354344 Method of making shackle
03/1982
03/16/1982	CA1119788A2 Heavy duty shackle
09/1980
09/16/1980	CA1085594A1 Heavy duty shackle
03/1978
03/28/1978	US4080782 Swivel for cargo binders and the like
03/21/1978	US4079584 Heavy duty shackle
12/1977
12/20/1977	US4063413 Chain coupling device and method of manufacture thereof