Patents
Patents for B21L 15 - Finishing or dressing chains or chain links, e.g. removing burr material, calibrating (138)
01/2015
01/14/2015CN103231005B 一种链条校正装置 A chain that correction device
01/13/2015US8931251 Chain and chain links
10/2014
10/21/2014US8863368 Winding member manufacturing method, winding member manufacturing apparatus, winding member peripheral length measuring apparatus and pre-tension applying apparatus
06/2014
06/18/2014CN203649301U 链片修孔装置 Chain sheet repair hole means
02/2014
02/05/2014CN203418077U Chain link sizing die
01/2014
01/29/2014CN102527918B Lifting chain corrector
10/2013
10/09/2013CN203227794U Straightening roller adjusting mechanism for automatic chaining machine
09/2013
09/25/2013CN203209624U Chain correcting device
09/18/2013CN103302229A Structural design of deburring cutter for round-link chain
09/05/2013US20130227927 Chain and Coupling Links
08/2013
08/07/2013CN103231005A Chain correction device
04/2013
04/24/2013CN202894205U Swing chain stretcher
04/11/2013US20130086881 Link chain with chain joints coated with a hard material
02/2013
02/06/2013CN101941041B Universal checking machine tool of computer-controlled hydraulic servo chain and control method thereof
12/2012
12/05/2012CN202571158U Rear-mounted chain correction device of welding machine
10/2012
10/31/2012CN202506791U Slide of deburring machine
10/03/2012CN202461418U Chain correcting device
09/2012
09/26/2012CN202447584U Chain conveying structure
08/2012
08/29/2012CN202398782U Lifting chain corrector
08/29/2012CN202398781U Fixture opening and closing mechanism for chain straightening machine
07/2012
07/11/2012CN102554117A Chain correcting device
07/04/2012CN102527919A Chain conveying structure
07/04/2012CN102527918A Lifting chain corrector
06/2012
06/28/2012US20120159921 Device and method for stretching a transmission chain
06/13/2012CN202270932U 一种链条校正机 A chain that correction machine
06/13/2012CN202270931U 一种改进的链条校正机 An improved chain straightening machine
02/2012
02/01/2012CN101920310B 全自动扭链机 Automatic Twist chain machine
01/2012
01/26/2012WO2012010225A1 Method for producing link plates
01/25/2012EP2409792A1 Method for producing chain links
11/2011
11/08/2011US8052561 Method for optimizing plates of a plate link chain, and plate for a plate link chain
07/2011
07/06/2011CN102114520A Automatic chaining machine for chains adopting waste materials
05/2011
05/18/2011CN101269742B Transportation chain and manufacturing process
05/10/2011US7937925 Plate-link chain
02/2011
02/09/2011CN201735726U Computer controlled hydraulic servo universal chain calibrating machine tool
01/2011
01/12/2011CN101941041A Universal checking machine tool of computer-controlled hydraulic servo chain and control method thereof
12/2010
12/22/2010CN101920310A Full-automatic twisted chain machine
11/2010
11/24/2010CN201644703U Automatic chain stitching machine
08/2010
08/12/2010US20100200820 Shrub Remover
03/2010
03/24/2010CN201427177Y Full-automatic chain twisting machine
07/2009
07/30/2009US20090192001 Plate-link chain
07/08/2009EP2077169A1 A device for stretching a transmission chain
05/2009
05/21/2009US20090126334 Device for stretching a transmission chain
04/2009
04/15/2009CN100478099C Method for manufacturing compact flat vertical chain ring
01/2009
01/14/2009CN101342568A Method for manufacturing super-flat compact type chain vertical ring
12/2008
12/03/2008CN100439031C Method for producing articulated chain
11/2008
11/12/2008CN100431737C Hydraulic pressure type simple ring rejoining device
09/2008
09/24/2008CN101269742A High-strength high abrasion-proof transportation chain and manufacturing process
07/2008
07/30/2008EP1949986A1 Method of manufacturing a power transmission chain and pretension load device used therein
07/02/2008EP1938916A1 Stress applying method for power transmission chain and stress applying apparatus used in said method
03/2008
03/26/2008EP1902794A2 Device and method for stretching a transmission chain
03/06/2008WO2008026775A1 METHOD FOR POLISHING LINK CHAIN HAVING FATIGUE STRENGTH OF NOT LESS THAN 230 N/mm2
01/2008
01/30/2008CN101112714A Hydraulic pressure type simple ring rejoining device
01/22/2008US7320656 Plate-link chain
12/2007
12/25/2007US7310934 Method of making one-way chain
08/2007
08/30/2007DE19754489B4 Zahnkette Tooth chain
05/2007
05/16/2007CN1962118A Method for manufacturing compact flat vertical chain ring
04/2007
04/25/2007CN1951594A Method for producing articulated chain
12/2006
12/27/2006CN1292179C Method for optimizing plates of a plate link chain, and plate for a plate link chain
11/2006
11/15/2006EP1721686A1 Apparatus and method for stretching the links of a transmission chain while surpassing the limit of elasticity thereof.
07/2006
07/19/2006CN2796894Y Automatic precise correcting device of metal ring chain
03/2006
03/15/2006CN1245265C Extruding forming machine for metal finishing chain ring
09/2005
09/22/2005US20050209035 Method for optimising plates of a plate link chain, and plate for a plate link chain
09/21/2005CN1219611C Method for manufacturing chain
09/14/2005CN1218798C Method for manufacturing chain
09/14/2005CN1218797C Method for manufacturing chain
09/14/2005CN1218796C Method for manufacturing chain
08/2005
08/24/2005CN1659391A Method for optimizing plates of a plate link chain, and plate for a plate link chain
02/2005
02/09/2005CN2677059Y Chain twisting correction device
01/2005
01/26/2005EP1499817A1 Method for optimising plates of a plate link chain, and plate for a plate link chain
01/26/2005EP1434889A4 High-hardness, highly ductile ferrous articles
09/2004
09/29/2004CN1532010A Extruding forming machine for metal finishing chain ring
07/2004
07/07/2004EP1434889A1 High-hardness, highly ductile ferrous articles
04/2004
04/21/2004CN1491286A High-hardness, highly ductile ferrous articles
03/2004
03/25/2004US20040055269 Jewelry link forming apparatus
02/2004
02/26/2004DE10018132B4 Kohlenstoffstahlmaterial und Bearbeitungsverfahren zur Festigkeitssteigerung Carbon steel material and processing method for increasing the strength
10/2003
10/23/2003WO2003087621A1 Method for optimising plates of a plate link chain, and plate for a plate link chain
09/2003
09/16/2003US6619024 Jewelry link forming apparatus
07/2003
07/02/2003CN2558483Y Plastic pipe-covered chain
07/02/2003CN2558482Y Plastic-sprayed chain
04/2003
04/24/2003US20030074918 Method of making jewellery goods and wearable multicolor ornamental articles manufactured with such products
04/23/2003EP1304053A2 Method of making jewellery goods and wearable multicolor ornamental articles manufactured with such products
04/17/2003WO2003031660A1 High-hardness, highly ductile ferrous articles
04/17/2003US20030070737 High-hardness, highly ductile ferrous articles
04/17/2003US20030070736 Metal working by austenitizing a steel chain link, heating in a thermal bath, quenching to convert remaining austenite to martensite, and deforming; tensile strength, hardness, ductility and fatigue life
04/10/2003US20030068195 Loop chain structure
04/09/2003EP1300604A2 Loop chain structure
02/2003
02/20/2003US20030036450 Plate-link chain
01/2003
01/29/2003CN1393306A Method for manufacturing chain
01/29/2003CN1393305A Method for manufacturing chain
01/29/2003CN1393304A Method for manufacturing chain
01/29/2003CN1393303A Method for manufacturing chain
01/29/2003CN1393302A Method for manufacturing chain
01/21/2003US6508001 Method and apparatus for forming a wire
10/2002
10/29/2002US6470665 Procedure to obtain the diamond effect in a precious metal product, particularly as in a chain with hollow links and a chain obtained according to said method
06/2002
06/20/2002WO2002047845A1 An arrangement for pressure regulation of exhaust fumes when welding or soldering chains
05/2002
05/23/2002WO2002040195A1 A heat conducting arrangement
05/10/2002WO2002036288A1 A feeding arrangement for a chain
05/02/2002WO2002034429A1 An arrangement for removing burrs
04/2002
04/16/2002US6370860 Hollow wire for faceted jewelry
04/11/2002WO2002028567A1 A link-twisting arrangement
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