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Class Information
Number: 226/173
Name: Advancing material of indeterminate length > By orbitally traveling material-engaging surface(s) > On endless belt or chain > With gripper(s) mounted thereon
Description: Device provided with a gripper* or grippers supported on the endless member.

Patents under this class:
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Patent Number Title Of Patent Date Issued
RE43410 Universal carrier for grippers in a coiled tubing injector May. 29, 2012
7686091 Device to insert a flexible member into pressurized wellhead housing Mar. 30, 2010
7398875 Tensioning piece of a conveyor chain for a film web Jul. 15, 2008
7066368 Paper web draw-in device for a web-fed printing press Jun. 27, 2006
7036578 Tubing guide and coiled tubing injector May. 2, 2006
6953136 Drawing machine Oct. 11, 2005
6892809 Coiled tubing injector apparatus May. 17, 2005
6892810 Gripper block for coiled tubing injector with variable tubing size capability May. 17, 2005
6880629 Well string injection system with gripper pads Apr. 19, 2005
6672394 Interchangeable coiled tubing support block and method of use Jan. 6, 2004
6609566 Gripper block assembly for coiled tubing injector head Aug. 26, 2003
6505731 Transport device for strand materials in continuous production of infusion bags for making tea Jan. 14, 2003
6484920 Cable umbilical gripper Nov. 26, 2002
6467668 Conveyor chain and system for looped sausage products Oct. 22, 2002
6347664 Coiled tubing injector head Feb. 19, 2002
6332501 Linear coiled tubing injector Dec. 25, 2001
6230955 Multiple contour coiled tubing gripper block May. 15, 2001
6173769 Universal carrier for grippers in a coiled tubing injector Jan. 16, 2001
6092709 Machine for advancing a sheet metal strip in measured increments Jul. 25, 2000
6086271 Photographic material grasping and dragging device for photographic material developing machines, in particular of photographic paper Jul. 11, 2000
5996658 Feed roller Dec. 7, 1999
5853118 Gripper block for coiled tubing injectors Dec. 29, 1998
5803888 Multi-web carrier Sep. 8, 1998
5702044 Stop piece Dec. 30, 1997
5566764 Improved coil tubing injector unit Oct. 22, 1996
5497957 Process and device for homogenizing the winding hardness of a roll profile of a film reel Mar. 12, 1996
5489056 Endless chain conveying device with spring biased wedge tensioner Feb. 6, 1996
5477901 Apparatus for the manufacture of high pressure laminates Dec. 26, 1995
5346112 Capstan draw apparatus for periodically gripping and drawing an elongated member Sep. 13, 1994
5309990 Coiled tubing injector May. 10, 1994
5287637 Apparatus to dry/heat treat continuous web stock of film Feb. 22, 1994
5279364 Guide arch for tubing Jan. 18, 1994
5263624 Apparatus for longitudinally driving an elongate body Nov. 23, 1993
5158781 Traction apparatus for tubular material Oct. 27, 1992
5121150 Driving and timing belt for a photographic film processor Jun. 9, 1992
5101965 Tentering chain with guide rollers Apr. 7, 1992
5094340 Gripper blocks for reeled tubing injectors Mar. 10, 1992
5074542 Manipulator of flat sheet, in particular sheet metal plate Dec. 24, 1991
5048268 Vacuum packaging method and apparatus Sep. 17, 1991
4915283 Clamping arrangement for gripping and carrying web material Apr. 10, 1990
4828242 Transport system for paired sheet elements May. 9, 1989
4826065 Feeding means for feeding a machine web in a packaging machine May. 2, 1989
4821060 Apparatus for attaching clips to leader belts for photosensitive webs Apr. 11, 1989
4804126 Yarn conveying apparatus Feb. 14, 1989
4735270 Drillstem motion apparatus, especially for the execution of continuously operational deepdrilling Apr. 5, 1988
4693405 Threading belt for pulp floater dryers Sep. 15, 1987
4633699 Continuous extrusion apparatus Jan. 6, 1987
4624726 Apparatus for forming elongate structures of composite materials Nov. 25, 1986
4601421 Feeding means for feeding a material web in a packaging machine Jul. 22, 1986
4598902 Apparatus for separating laterally projecting imbricated printed copy products Jul. 8, 1986

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