| Patents for B21L 9 - Making chains or chain links, the links being composed of two or more different parts, e.g. drive chains (677) |
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| 11/27/2007 | US7299514 Foldable tool set with chain repair tool |
| 11/22/2007 | DE102004021695B4 Verfahren zur Herstellung einer Kettenlasche und eine Kettenlasche A method of manufacturing a link plate and a link plate |
| 11/22/2007 | DE102004020905B4 Verfahren zur Herstellung einer Kettenlasche für eine Rollenkette A method of manufacturing a link plate for a roller chain |
| 11/15/2007 | WO2007128262A1 Flat link articulated chain and the process to manufacture it |
| 10/10/2007 | CN200957447Y Automatic flake assembling mechanism in roller chain |
| 09/26/2007 | CN101043977A Grinding apparatus for a pin for use in power transmission chain and manufacture of a pin for use in power transmission chain |
| 09/05/2007 | CN200942423Y Glide type chain board automatic stringing-selecting machine |
| 08/30/2007 | DE19754489B4 Zahnkette Tooth chain |
| 08/29/2007 | CN101027146A Power transmission chain manufacturing method, and power transmission chain manufacturing device used therefor |
| 08/29/2007 | CN101027145A Manufacturing method for power transmission chain and pin holding tool |
| 08/15/2007 | CN2933645Y Sheet gathering device |
| 08/15/2007 | CN2933644Y Sheet guiding device |
| 07/25/2007 | EP1810783A1 Grinding apparatus and manufacturing method for power transmission chain pin |
| 07/25/2007 | CN1327988C Mechanized manufacturing equipment for dog chain |
| 07/11/2007 | EP1806187A1 Manufacturing method for power transmission chain and manufacturing device for power transmission chain used for the method |
| 07/04/2007 | EP1803511A1 Manufacturing method for power transmission chain and pin holding tool |
| 05/03/2007 | WO2007048295A1 A mechanized manufacturing equipment for claw chain |
| 04/26/2007 | DE102006048462A1 Kettenlasche für eine Rollenkette und ein Verfahren zur Herstellung einer derartigen Kettenlasche Link plate for a roller chain and a method for producing such a chain link |
| 04/25/2007 | CN1951594A Method for producing articulated chain |
| 04/10/2007 | US7201687 Power transmission chain with ceramic joint components |
| 03/29/2007 | WO2006094496A3 Wear resistance improved chain and a method for the production thereof |
| 02/08/2007 | DE102006035249A1 Geräuscharme Kette und ein Verfahren zur Herstellung einer geräuscharmen Kette A silent chain and a method for producing a silent chain |
| 02/07/2007 | CN1907595A Automatic thermal riveting method and automatic thermal riveting machine for chain pin shaft |
| 01/24/2007 | CN1296640C Bicycle chain production method |
| 01/03/2007 | CN1887477A Automatic assembling mechanism for middle piece of roller chain |
| 12/19/2006 | US7150142 Chicken chain |
| 11/28/2006 | US7140173 Method and device for assembling an endless chain, in particular a transmission chain |
| 11/07/2006 | US7131258 Device for closing a chain, particularly a bicycle chain |
| 11/02/2006 | WO2006114067A1 Method and device for producing a chain |
| 10/18/2006 | CN2827585Y Mechanical manufacturing equipment of claw chain |
| 10/10/2006 | US7117575 Method of manufacturing a link plate |
| 09/20/2006 | CN1275718C Tool for extracting chain pins and chain cutting device |
| 09/14/2006 | WO2006094496A2 Wear resistance improved chain and a method for the production thereof |
| 09/05/2006 | US7100353 Portable track link disassembly tool |
| 08/23/2006 | CN1270845C Chain piece with gorgeous color surface and mfg mehtod thereof |
| 08/01/2006 | US7082747 Chain connecting pin extracting apparatus |
| 06/14/2006 | EP1311360B1 Joint assembly to resist galling |
| 04/27/2006 | WO2006043605A1 Grinding apparatus and manufacturing method for power transmission chain pin |
| 04/12/2006 | CN1757457A Mechanical prodn. equipment for producing paw chain |
| 04/06/2006 | WO2006035942A1 Manufacturing method for power transmission chain and pin holding tool |
| 04/06/2006 | WO2006035819A1 Manufacturing method for power transmission chain and manufacturing device for power transmission chain used for the method |
| 04/06/2006 | US20060070369 Device for closing a chain, particularly a bicycle chain |
| 04/04/2006 | US7021176 Link plate for silent chain and method of manufacturing same |
| 02/22/2006 | CN1242862C Positioner in automatic chain assembling process |
| 02/16/2006 | US20060032207 Process for making a roller chain |
| 02/08/2006 | EP1624226A1 Articulation pin for pivotally connecting a pair of outer plates to a pair of inner plates of a chain, particularly a bicycle chain |
| 02/08/2006 | EP1343678B1 Method and apparatus for retaining a track chain joint |
| 01/11/2006 | CN1718311A Chain producing device and its mfg method |
| 01/04/2006 | CN1234564C Track link with flange for endless track and production method therefor |
| 12/21/2005 | EP1607656A2 Chain |
| 11/22/2005 | US6966170 Device for closing a chain, particularly a bicycle chain |
| 09/28/2005 | EP1579933A1 Method and set-up for assembling an endless chain, in particular a transmission chain |
| 09/21/2005 | CN1669699A Mechanized manufacturing equipment for dog chain |
| 09/08/2005 | US20050193712 Method and device for assembling an endless chain, in particular a transmission chain |
| 08/10/2005 | CN1214195C Chain joint assembly and method for manufacture thereof |
| 08/03/2005 | CN1212906C Production process of chains and chain pieces without net shaped waste meterials and its panching mould |
| 02/23/2005 | CN1583316A Positioner in automatic chain assembling process |
| 02/09/2005 | CN1188231C Method for jointing flat-link articulated chain element |
| 02/02/2005 | CN1572428A Tool for extracting chain pins and chain cutting device |
| 01/27/2005 | DE102004020905A1 Verfahren zur Herstellung einer Kettenlasche A method of manufacturing a link plate |
| 01/25/2005 | US6846051 Joint assembly to resist galling |
| 01/18/2005 | US6842982 Method of producing bushing |
| 01/13/2005 | DE102004021695A1 Verfahren zur Herstellung einer Kettenlasche und eine Kettenlasche A method of manufacturing a link plate and a link plate |
| 12/30/2004 | US20040261393 Link plate for silent chain and method of manufacturing same |
| 12/30/2004 | US20040261392 Chain connecting pin extracting apparatus |
| 12/30/2004 | US20040261240 Link plate for roller chain and method of manufacturing same |
| 12/02/2004 | US20040237497 Method to provide precision draw dimension of links |
| 12/02/2004 | US20040237496 Device for closing a chain, particularly a bicycle chain |
| 12/01/2004 | EP1481767A1 Tool for extracting chain pins |
| 11/02/2004 | US6810654 Chain assembly method for joining a flat link articulated chain |
| 06/09/2004 | CN1502430A Chain piece with gorgeous color surface and mfg mehtod thereof |
| 03/31/2004 | CN1485166A Production process of chains and chain pieces without net shaped waste meterials |
| 02/26/2004 | DE10018132B4 Kohlenstoffstahlmaterial und Bearbeitungsverfahren zur Festigkeitssteigerung Carbon steel material and processing method for increasing the strength |
| 02/05/2004 | US20040020052 Method of producing bushing |
| 01/29/2004 | DE19604325B4 Verfahren zur Herstellung einer Lagerschale oder Buchse oder Rolle für eine Kette A process for producing a bearing shell or bush or roller for a chain |
| 01/28/2004 | EP1384537A1 Method of producing a bushing |
| 12/25/2003 | US20030233821 Link plate for restricting back bending of a silent chain |
| 12/23/2003 | US6666013 Wear resistant chain |
| 11/04/2003 | US6640534 Chain joint assembly and a method for the manufacture thereof |
| 10/22/2003 | CN1450285A Wearing-resistant chain |
| 10/16/2003 | US20030192299 Wear resistant chain |
| 10/01/2003 | CN2576377Y Blanking mould of chain piece |
| 09/25/2003 | US20030177752 Wear resistant chain |
| 09/17/2003 | EP1343678A2 Method and apparatus for retaining a track chain joint |
| 09/02/2003 | US6612103 Link plate for a silent chain |
| 08/28/2003 | US20030159425 Chain with odd number of links |
| 05/28/2003 | EP1224411B1 A chain joint assembly and a method for the manufacture thereof |
| 05/21/2003 | EP1311360A1 Joint assembly to resist galling |
| 05/20/2003 | US6564539 Method and apparatus for retaining a track chain joint |
| 05/07/2003 | CN1107820C Lubricant oil retaining chain |
| 05/02/2003 | EP1305127A1 Chain assembly method for joining a flat link articulated chain |
| 04/01/2003 | US6539700 Chain belt for continuously variable transmission |
| 03/27/2003 | US20030056489 Chain assembly method for joining a flat link articulated chain |
| 02/26/2003 | EP1105233B1 Method and apparatus for joining a flat-link articulated chain element |
| 02/19/2003 | CN1397746A Appts. and method of enabling link pin inserting chain esp. bicycle chain |
| 02/12/2003 | CN2535161Y Link joint processing tool for heavy-duty chain |
| 01/30/2003 | US20030022748 Device for closing a chain, particularly a bicycle chain |
| 01/30/2003 | US20030022747 Device and method for inserting an articulation pin for a chain particularly for bicycles |
| 01/15/2003 | EP1275878A1 Device for closing a chain, particularly a bicycle chain |
| 12/25/2002 | CN2527375Y New structure of high speed chain automatic assembling machine |