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Class Information
Number: 226/53
Name: Advancing material of indeterminate length > Means to engage longitudinally spaced modifications in material > Such means produces the modifications
Description: Device in which the prong penetrates the material surface at points or areas of such surface which have not been previously modified, whereby the prong makes the recurrent variations.










Patents under this class:

Patent Number Title Of Patent Date Issued
7896209 Filament drive mechanism for use in extrusion-based digital manufacturing systems Mar. 1, 2011
7419077 Film transport Sep. 2, 2008
5806745 Adjustable conveyor for delivering thin web materials Sep. 15, 1998
5667122 Apparatus and method for controlling moving material and the like Sep. 16, 1997
5605709 Foam sheet, method and apparatus for widening foam sheet Feb. 25, 1997
5358072 Wheel flange lubrication with enclosed strand drive Oct. 25, 1994
5320267 Web transport apparatus Jun. 14, 1994
5022336 Pin type conveyor fabric feeding apparatus for a sewing machine Jun. 11, 1991
4675069 Device for feeding and cutting strip labels Jun. 23, 1987
4610649 Method of manufacturing plastic-coated packages to hold liquids Sep. 9, 1986
4376589 Multi-ply unglued paper drive apparatus Mar. 15, 1983
4358038 Punch for pattern card Nov. 9, 1982
4356945 Motion picture printing machine having interchangeable film receiving units Nov. 2, 1982
4202719 Single facer drive May. 13, 1980
4197799 Label arranging device for label printing machine Apr. 15, 1980
4179867 Packaging machine Dec. 25, 1979
4055290 Rope pulling device Oct. 25, 1977
4014488 Fastener feed apparatus and method Mar. 29, 1977











 
 
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